From aa053f1948dcb03213105c63ed81f197909222c6 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Sun, 20 Aug 2017 21:32:22 -0400
Subject: sub_80B33D0

---
 src/shop.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index d53646a88..5cc1f276e 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -340,3 +340,12 @@ void BuyMenuDrawMapMetatile(int var1, int var2, u16 *var3, s8 var4)
         break;
     }
 }
+
+void sub_80B33D0(s16 var1, int var2, u16 *var3)
+{
+    s16 offset1 = var1 * 2;
+    s16 offset2 = (var2 * 0x40) + 0x40;
+
+    BuyMenuDrawMapMetatileLayer(gBGTilemapBuffers[3], offset1, offset2, var3);
+    BuyMenuDrawMapMetatileLayer(gBGTilemapBuffers[2], offset1, offset2, var3 + 4);
+}
-- 
cgit v1.2.3


From e7f670bf790a96e63b1302bc004bfaa55c8ac7ea Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Mon, 21 Aug 2017 10:47:43 -0400
Subject: i am useless

---
 src/shop.c | 368 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 368 insertions(+)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 5cc1f276e..b832b5a26 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -16,6 +16,7 @@
 #include "task.h"
 #include "tv.h"
 #include "unknown_task.h"
+#include "field_map_obj.h"
 
 struct UnknownShopStruct
 {
@@ -349,3 +350,370 @@ void sub_80B33D0(s16 var1, int var2, u16 *var3)
     BuyMenuDrawMapMetatileLayer(gBGTilemapBuffers[3], offset1, offset2, var3);
     BuyMenuDrawMapMetatileLayer(gBGTilemapBuffers[2], offset1, offset2, var3 + 4);
 }
+
+// no. for loop too hard.
+__attribute__((naked))
+void sub_80B3420() // dont know args
+{
+	asm(".syntax unified\n\
+	push {r4-r7,lr}\n\
+	mov r7, r10\n\
+	mov r6, r9\n\
+	mov r5, r8\n\
+	push {r5-r7}\n\
+	sub sp, 0x4\n\
+	mov r4, sp\n\
+	adds r4, 0x2\n\
+	mov r0, sp\n\
+	adds r1, r4, 0\n\
+	bl GetXYCoordsOneStepInFrontOfPlayer\n\
+	mov r1, sp\n\
+	mov r0, sp\n\
+	ldrh r0, [r0]\n\
+	subs r0, 0x3\n\
+	strh r0, [r1]\n\
+	ldrh r0, [r4]\n\
+	subs r0, 0x3\n\
+	strh r0, [r4]\n\
+	movs r1, 0\n\
+	ldr r0, _080B34A8 @ =0x000001ff\n\
+	mov r10, r0\n\
+	ldr r2, _080B34AC @ =gMapHeader\n\
+	mov r9, r2\n\
+_080B3452:\n\
+	movs r4, 0\n\
+	lsls r1, 16\n\
+	mov r8, r1\n\
+	asrs r7, r1, 16\n\
+_080B345A:\n\
+	mov r0, sp\n\
+	movs r3, 0\n\
+	ldrsh r0, [r0, r3]\n\
+	lsls r4, 16\n\
+	asrs r6, r4, 16\n\
+	adds r0, r6\n\
+	mov r2, sp\n\
+	movs r3, 0x2\n\
+	ldrsh r1, [r2, r3]\n\
+	adds r1, r7\n\
+	bl MapGridGetMetatileIdAt\n\
+	lsls r0, 16\n\
+	lsrs r5, r0, 16\n\
+	cmp r7, 0x5\n\
+	beq _080B34D0\n\
+	cmp r6, 0x6\n\
+	beq _080B34D0\n\
+	mov r0, sp\n\
+	movs r1, 0\n\
+	ldrsh r0, [r0, r1]\n\
+	adds r0, r6\n\
+	mov r2, sp\n\
+	movs r3, 0x2\n\
+	ldrsh r1, [r2, r3]\n\
+	adds r1, r7\n\
+	bl MapGridGetMetatileLayerTypeAt\n\
+	lsls r0, 24\n\
+	lsrs r3, r0, 24\n\
+	cmp r5, r10\n\
+	bhi _080B34B0\n\
+	mov r1, r9\n\
+	ldr r0, [r1]\n\
+	ldr r0, [r0, 0x10]\n\
+	lsls r1, r5, 4\n\
+	ldr r2, [r0, 0xC]\n\
+	adds r2, r1\n\
+	b _080B34C0\n\
+	.align 2, 0\n\
+_080B34A8: .4byte 0x000001ff\n\
+_080B34AC: .4byte gMapHeader\n\
+_080B34B0:\n\
+	mov r2, r9\n\
+	ldr r0, [r2]\n\
+	ldr r1, [r0, 0x14]\n\
+	ldr r2, _080B34CC @ =0xfffffe00\n\
+	adds r0, r5, r2\n\
+	lsls r0, 4\n\
+	ldr r2, [r1, 0xC]\n\
+	adds r2, r0\n\
+_080B34C0:\n\
+	adds r0, r6, 0\n\
+	adds r1, r7, 0\n\
+	bl BuyMenuDrawMapMetatile\n\
+	b _080B3506\n\
+	.align 2, 0\n\
+_080B34CC: .4byte 0xfffffe00\n\
+_080B34D0:\n\
+	cmp r5, r10\n\
+	bhi _080B34EC\n\
+	asrs r0, r4, 16\n\
+	mov r3, r9\n\
+	ldr r1, [r3]\n\
+	ldr r1, [r1, 0x10]\n\
+	lsls r3, r5, 4\n\
+	ldr r2, [r1, 0xC]\n\
+	adds r2, r3\n\
+	mov r3, r8\n\
+	asrs r1, r3, 16\n\
+	bl sub_80B33D0\n\
+	b _080B3506\n\
+_080B34EC:\n\
+	asrs r0, r4, 16\n\
+	mov r2, r9\n\
+	ldr r1, [r2]\n\
+	ldr r2, [r1, 0x14]\n\
+	ldr r3, _080B354C @ =0xfffffe00\n\
+	adds r1, r5, r3\n\
+	lsls r1, 4\n\
+	ldr r2, [r2, 0xC]\n\
+	adds r2, r1\n\
+	mov r3, r8\n\
+	asrs r1, r3, 16\n\
+	bl sub_80B33D0\n\
+_080B3506:\n\
+	cmp r7, 0\n\
+	bne _080B3520\n\
+	asrs r1, r4, 16\n\
+	cmp r1, 0\n\
+	beq _080B3520\n\
+	cmp r1, 0x6\n\
+	beq _080B3520\n\
+	lsls r1, 17\n\
+	asrs r1, 16\n\
+	ldr r0, _080B3550 @ =gBGTilemapBuffers + 0x800\n\
+	movs r2, 0x40\n\
+	bl sub_80B32EC\n\
+_080B3520:\n\
+	movs r1, 0x80\n\
+	lsls r1, 9\n\
+	adds r0, r4, r1\n\
+	lsrs r4, r0, 16\n\
+	asrs r0, 16\n\
+	cmp r0, 0x6\n\
+	ble _080B345A\n\
+	adds r0, r1, 0\n\
+	add r0, r8\n\
+	lsrs r1, r0, 16\n\
+	asrs r0, 16\n\
+	cmp r0, 0x5\n\
+	ble _080B3452\n\
+	add sp, 0x4\n\
+	pop {r3-r5}\n\
+	mov r8, r3\n\
+	mov r9, r4\n\
+	mov r10, r5\n\
+	pop {r4-r7}\n\
+	pop {r0}\n\
+	bx r0\n\
+	.align 2, 0\n\
+_080B354C: .4byte 0xfffffe00\n\
+_080B3550: .4byte gBGTilemapBuffers + 0x800\n\
+	.syntax divided");
+}
+
+void BuyMenuDrawMapGraphics(void)
+{
+    sub_80F9020();
+    sub_80B356C();
+    sub_80B368C();
+    sub_80B3420();
+}
+
+// yet another difficult multi for-loop. No.
+__attribute__((naked))
+void sub_80B356C(void) // PopulateShopViewWindowObjectInfo ?
+{
+	asm(".syntax unified\n\
+	push {r4-r7,lr}\n\
+	mov r7, r10\n\
+	mov r6, r9\n\
+	mov r5, r8\n\
+	push {r5-r7}\n\
+	sub sp, 0x8\n\
+	movs r0, 0\n\
+	mov r8, r0\n\
+	mov r4, sp\n\
+	adds r4, 0x2\n\
+	mov r0, sp\n\
+	adds r1, r4, 0\n\
+	bl GetXYCoordsOneStepInFrontOfPlayer\n\
+	bl PlayerGetZCoord\n\
+	lsls r0, 24\n\
+	lsrs r0, 24\n\
+	str r0, [sp, 0x4]\n\
+	movs r5, 0\n\
+	ldr r2, _080B3674 @ =gUnknown_020386A4\n\
+	movs r1, 0x10\n\
+_080B3598:\n\
+	lsls r0, r5, 3\n\
+	adds r0, r2\n\
+	strh r1, [r0]\n\
+	adds r0, r5, 0x1\n\
+	lsls r0, 24\n\
+	lsrs r5, r0, 24\n\
+	cmp r5, 0xF\n\
+	bls _080B3598\n\
+	movs r5, 0\n\
+	ldr r7, _080B3678 @ =gUnknown_020386AA\n\
+	subs r1, r7, 0x6\n\
+	mov r9, r1\n\
+_080B35B0:\n\
+	movs r4, 0\n\
+	adds r2, r5, 0x1\n\
+	mov r10, r2\n\
+_080B35B6:\n\
+	mov r1, sp\n\
+	ldr r3, _080B367C @ =0x0000fffd\n\
+	adds r0, r3, 0\n\
+	ldrh r1, [r1]\n\
+	adds r0, r1\n\
+	adds r0, r4\n\
+	lsls r0, 16\n\
+	lsrs r0, 16\n\
+	ldr r2, _080B3680 @ =0x0000fffe\n\
+	adds r1, r2, 0\n\
+	mov r3, sp\n\
+	ldrh r3, [r3, 0x2]\n\
+	adds r1, r3\n\
+	adds r1, r5\n\
+	lsls r1, 16\n\
+	lsrs r1, 16\n\
+	ldr r2, [sp, 0x4]\n\
+	bl GetFieldObjectIdByXYZ\n\
+	lsls r0, 24\n\
+	lsrs r2, r0, 24\n\
+	cmp r2, 0x10\n\
+	beq _080B3650\n\
+	mov r0, r8\n\
+	lsls r3, r0, 3\n\
+	mov r1, r9\n\
+	adds r0, r3, r1\n\
+	movs r6, 0\n\
+	strh r2, [r0]\n\
+	mov r0, r9\n\
+	adds r0, 0x2\n\
+	adds r0, r3, r0\n\
+	strh r4, [r0]\n\
+	ldr r1, _080B3684 @ =gUnknown_020386A8\n\
+	adds r0, r3, r1\n\
+	strh r5, [r0]\n\
+	ldr r1, _080B3688 @ =gMapObjects\n\
+	lsls r0, r2, 3\n\
+	adds r0, r2\n\
+	lsls r0, 2\n\
+	adds r2, r0, r1\n\
+	ldrb r0, [r2, 0x18]\n\
+	lsls r0, 28\n\
+	lsrs r0, 28\n\
+	cmp r0, 0x1\n\
+	bne _080B3616\n\
+	adds r0, r3, r7\n\
+	strh r6, [r0]\n\
+_080B3616:\n\
+	ldrb r0, [r2, 0x18]\n\
+	lsls r0, 28\n\
+	lsrs r0, 28\n\
+	cmp r0, 0x2\n\
+	bne _080B3626\n\
+	adds r1, r3, r7\n\
+	movs r0, 0x1\n\
+	strh r0, [r1]\n\
+_080B3626:\n\
+	ldrb r0, [r2, 0x18]\n\
+	lsls r0, 28\n\
+	lsrs r0, 28\n\
+	cmp r0, 0x3\n\
+	bne _080B3636\n\
+	adds r1, r3, r7\n\
+	movs r0, 0x2\n\
+	strh r0, [r1]\n\
+_080B3636:\n\
+	ldrb r0, [r2, 0x18]\n\
+	lsls r0, 28\n\
+	lsrs r0, 28\n\
+	cmp r0, 0x4\n\
+	bne _080B3646\n\
+	adds r1, r3, r7\n\
+	movs r0, 0x3\n\
+	strh r0, [r1]\n\
+_080B3646:\n\
+	mov r0, r8\n\
+	adds r0, 0x1\n\
+	lsls r0, 24\n\
+	lsrs r0, 24\n\
+	mov r8, r0\n\
+_080B3650:\n\
+	adds r0, r4, 0x1\n\
+	lsls r0, 24\n\
+	lsrs r4, r0, 24\n\
+	cmp r4, 0x6\n\
+	bls _080B35B6\n\
+	mov r2, r10\n\
+	lsls r0, r2, 24\n\
+	lsrs r5, r0, 24\n\
+	cmp r5, 0x4\n\
+	bls _080B35B0\n\
+	add sp, 0x8\n\
+	pop {r3-r5}\n\
+	mov r8, r3\n\
+	mov r9, r4\n\
+	mov r10, r5\n\
+	pop {r4-r7}\n\
+	pop {r0}\n\
+	bx r0\n\
+	.align 2, 0\n\
+_080B3674: .4byte gUnknown_020386A4\n\
+_080B3678: .4byte gUnknown_020386AA\n\
+_080B367C: .4byte 0x0000fffd\n\
+_080B3680: .4byte 0x0000fffe\n\
+_080B3684: .4byte gUnknown_020386A8\n\
+_080B3688: .4byte gMapObjects\n\
+	.syntax divided");
+}
+/*
+struct UnkStruct_20386A4
+{
+	s16 mapObjId;
+	u16 unk2;
+	u16 unk4;
+	u8 unk6[2];
+};
+*/
+
+//extern s16 gUnknown_020386A4[][];
+//extern struct UnkStruct_20386A4 gUnknown_020386A4[];
+
+// all 3 of these are incredibly hard, please help
+/*void sub_80B368C(void)
+{
+	// r0 = spriteId
+	// r1 = gUnknown_020386A4 + 6
+	// r2 = gSprites[spriteId]
+	// r3 = gUnknown_020386A4[i].unk4 + 32
+	// r4 = i * 8
+	// r5 = 0 (i)
+	// r6 = gUnknown_020386A4
+	// r7 = gMapObjects
+	// r8 = gUnknown_020386A4 + 6
+	// r9 = 
+	// r10 = 
+	// r11 = 
+	// r12 = 
+
+	u8 i = 0;
+	u8 *unkArray = (u8 *)&gUnknown_020386A4[6];
+
+	for(; i < 16; i++) // max objects?
+	{
+		s16 mapObjId = unkStruct[i].mapObjId;
+		if(mapObjId != 16)
+		{
+			u8 spriteId = AddPseudoFieldObject(
+			gMapObjects[mapObjId].graphicsId,
+			SpriteCallbackDummy,
+			unkStruct[i].unk2 * 16 + 8,
+			unkStruct[i].unk4 + 12,
+			2);
+			StartSpriteAnim(&gSprites[spriteId], unkArray[i]);
+		}
+	}
+}*/
-- 
cgit v1.2.3


From 878b0d50996ba8be9d18a8c0df39b1f7f255033b Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Mon, 21 Aug 2017 18:46:20 -0400
Subject: thanks cam.

---
 src/shop.c | 446 +++++++++++++------------------------------------------------
 1 file changed, 94 insertions(+), 352 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index b832b5a26..06ec45292 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -17,6 +17,8 @@
 #include "tv.h"
 #include "unknown_task.h"
 #include "field_map_obj.h"
+#include "field_player_avatar.h"
+#include "fieldmap.h"
 
 struct UnknownShopStruct
 {
@@ -319,7 +321,7 @@ void BuyMenuDrawMapMetatileLayer(u16 *array, s16 offset1, s16 offset2, u16 *arra
     array[offset1 + offset2 + 33] = array2[3];
 }
 
-void BuyMenuDrawMapMetatile(int var1, int var2, u16 *var3, s8 var4)
+void BuyMenuDrawMapMetatile(int var1, int var2, u16 *var3, s32 var4)
 {
     u8 tempVar4 = var4;
     s16 offset1 = var1 * 2;
@@ -351,163 +353,44 @@ void sub_80B33D0(s16 var1, int var2, u16 *var3)
     BuyMenuDrawMapMetatileLayer(gBGTilemapBuffers[2], offset1, offset2, var3 + 4);
 }
 
-// no. for loop too hard.
-__attribute__((naked))
-void sub_80B3420() // dont know args
+void sub_80B3420(void)
 {
-	asm(".syntax unified\n\
-	push {r4-r7,lr}\n\
-	mov r7, r10\n\
-	mov r6, r9\n\
-	mov r5, r8\n\
-	push {r5-r7}\n\
-	sub sp, 0x4\n\
-	mov r4, sp\n\
-	adds r4, 0x2\n\
-	mov r0, sp\n\
-	adds r1, r4, 0\n\
-	bl GetXYCoordsOneStepInFrontOfPlayer\n\
-	mov r1, sp\n\
-	mov r0, sp\n\
-	ldrh r0, [r0]\n\
-	subs r0, 0x3\n\
-	strh r0, [r1]\n\
-	ldrh r0, [r4]\n\
-	subs r0, 0x3\n\
-	strh r0, [r4]\n\
-	movs r1, 0\n\
-	ldr r0, _080B34A8 @ =0x000001ff\n\
-	mov r10, r0\n\
-	ldr r2, _080B34AC @ =gMapHeader\n\
-	mov r9, r2\n\
-_080B3452:\n\
-	movs r4, 0\n\
-	lsls r1, 16\n\
-	mov r8, r1\n\
-	asrs r7, r1, 16\n\
-_080B345A:\n\
-	mov r0, sp\n\
-	movs r3, 0\n\
-	ldrsh r0, [r0, r3]\n\
-	lsls r4, 16\n\
-	asrs r6, r4, 16\n\
-	adds r0, r6\n\
-	mov r2, sp\n\
-	movs r3, 0x2\n\
-	ldrsh r1, [r2, r3]\n\
-	adds r1, r7\n\
-	bl MapGridGetMetatileIdAt\n\
-	lsls r0, 16\n\
-	lsrs r5, r0, 16\n\
-	cmp r7, 0x5\n\
-	beq _080B34D0\n\
-	cmp r6, 0x6\n\
-	beq _080B34D0\n\
-	mov r0, sp\n\
-	movs r1, 0\n\
-	ldrsh r0, [r0, r1]\n\
-	adds r0, r6\n\
-	mov r2, sp\n\
-	movs r3, 0x2\n\
-	ldrsh r1, [r2, r3]\n\
-	adds r1, r7\n\
-	bl MapGridGetMetatileLayerTypeAt\n\
-	lsls r0, 24\n\
-	lsrs r3, r0, 24\n\
-	cmp r5, r10\n\
-	bhi _080B34B0\n\
-	mov r1, r9\n\
-	ldr r0, [r1]\n\
-	ldr r0, [r0, 0x10]\n\
-	lsls r1, r5, 4\n\
-	ldr r2, [r0, 0xC]\n\
-	adds r2, r1\n\
-	b _080B34C0\n\
-	.align 2, 0\n\
-_080B34A8: .4byte 0x000001ff\n\
-_080B34AC: .4byte gMapHeader\n\
-_080B34B0:\n\
-	mov r2, r9\n\
-	ldr r0, [r2]\n\
-	ldr r1, [r0, 0x14]\n\
-	ldr r2, _080B34CC @ =0xfffffe00\n\
-	adds r0, r5, r2\n\
-	lsls r0, 4\n\
-	ldr r2, [r1, 0xC]\n\
-	adds r2, r0\n\
-_080B34C0:\n\
-	adds r0, r6, 0\n\
-	adds r1, r7, 0\n\
-	bl BuyMenuDrawMapMetatile\n\
-	b _080B3506\n\
-	.align 2, 0\n\
-_080B34CC: .4byte 0xfffffe00\n\
-_080B34D0:\n\
-	cmp r5, r10\n\
-	bhi _080B34EC\n\
-	asrs r0, r4, 16\n\
-	mov r3, r9\n\
-	ldr r1, [r3]\n\
-	ldr r1, [r1, 0x10]\n\
-	lsls r3, r5, 4\n\
-	ldr r2, [r1, 0xC]\n\
-	adds r2, r3\n\
-	mov r3, r8\n\
-	asrs r1, r3, 16\n\
-	bl sub_80B33D0\n\
-	b _080B3506\n\
-_080B34EC:\n\
-	asrs r0, r4, 16\n\
-	mov r2, r9\n\
-	ldr r1, [r2]\n\
-	ldr r2, [r1, 0x14]\n\
-	ldr r3, _080B354C @ =0xfffffe00\n\
-	adds r1, r5, r3\n\
-	lsls r1, 4\n\
-	ldr r2, [r2, 0xC]\n\
-	adds r2, r1\n\
-	mov r3, r8\n\
-	asrs r1, r3, 16\n\
-	bl sub_80B33D0\n\
-_080B3506:\n\
-	cmp r7, 0\n\
-	bne _080B3520\n\
-	asrs r1, r4, 16\n\
-	cmp r1, 0\n\
-	beq _080B3520\n\
-	cmp r1, 0x6\n\
-	beq _080B3520\n\
-	lsls r1, 17\n\
-	asrs r1, 16\n\
-	ldr r0, _080B3550 @ =gBGTilemapBuffers + 0x800\n\
-	movs r2, 0x40\n\
-	bl sub_80B32EC\n\
-_080B3520:\n\
-	movs r1, 0x80\n\
-	lsls r1, 9\n\
-	adds r0, r4, r1\n\
-	lsrs r4, r0, 16\n\
-	asrs r0, 16\n\
-	cmp r0, 0x6\n\
-	ble _080B345A\n\
-	adds r0, r1, 0\n\
-	add r0, r8\n\
-	lsrs r1, r0, 16\n\
-	asrs r0, 16\n\
-	cmp r0, 0x5\n\
-	ble _080B3452\n\
-	add sp, 0x4\n\
-	pop {r3-r5}\n\
-	mov r8, r3\n\
-	mov r9, r4\n\
-	mov r10, r5\n\
-	pop {r4-r7}\n\
-	pop {r0}\n\
-	bx r0\n\
-	.align 2, 0\n\
-_080B354C: .4byte 0xfffffe00\n\
-_080B3550: .4byte gBGTilemapBuffers + 0x800\n\
-	.syntax divided");
+    s16 facingX;
+    s16 facingY;
+    s16 x;
+    s16 y;
+
+    GetXYCoordsOneStepInFrontOfPlayer(&facingX, &facingY);
+    facingX -= 3;
+    facingY -= 3;
+
+    for (y = 0; y < 6; y++)
+    {
+        for (x = 0; x < 7; x++)
+        {
+            u16 metatileId = MapGridGetMetatileIdAt(facingX + x, facingY + y);
+
+            if (y != 5 && x != 6)
+            {
+                s32 r3 = MapGridGetMetatileLayerTypeAt(facingX + x, facingY + y);
+
+                if (metatileId < 512)
+                    BuyMenuDrawMapMetatile(x, y, (u16 *)gMapHeader.mapData->primaryTileset->metatiles + metatileId * 8, r3);
+                else
+                    BuyMenuDrawMapMetatile(x, y, (u16 *)gMapHeader.mapData->secondaryTileset->metatiles + (metatileId - 512) * 8, r3);
+            }
+            else
+            {
+                if (metatileId < 512)
+                    sub_80B33D0(x, y, (u16 *)gMapHeader.mapData->primaryTileset->metatiles + metatileId * 8);
+                else
+                    sub_80B33D0(x, y, (u16 *)gMapHeader.mapData->secondaryTileset->metatiles + (metatileId - 512) * 8);
+            }
+
+            if (y == 0 && x != 0 && x != 6)
+                sub_80B32EC(gBGTilemapBuffers[1], x * 2, 64);
+        }
+    }
 }
 
 void BuyMenuDrawMapGraphics(void)
@@ -518,202 +401,61 @@ void BuyMenuDrawMapGraphics(void)
     sub_80B3420();
 }
 
-// yet another difficult multi for-loop. No.
-__attribute__((naked))
-void sub_80B356C(void) // PopulateShopViewWindowObjectInfo ?
+extern s16 gUnknown_020386A4[][4];
+
+void sub_80B356C(void)
 {
-	asm(".syntax unified\n\
-	push {r4-r7,lr}\n\
-	mov r7, r10\n\
-	mov r6, r9\n\
-	mov r5, r8\n\
-	push {r5-r7}\n\
-	sub sp, 0x8\n\
-	movs r0, 0\n\
-	mov r8, r0\n\
-	mov r4, sp\n\
-	adds r4, 0x2\n\
-	mov r0, sp\n\
-	adds r1, r4, 0\n\
-	bl GetXYCoordsOneStepInFrontOfPlayer\n\
-	bl PlayerGetZCoord\n\
-	lsls r0, 24\n\
-	lsrs r0, 24\n\
-	str r0, [sp, 0x4]\n\
-	movs r5, 0\n\
-	ldr r2, _080B3674 @ =gUnknown_020386A4\n\
-	movs r1, 0x10\n\
-_080B3598:\n\
-	lsls r0, r5, 3\n\
-	adds r0, r2\n\
-	strh r1, [r0]\n\
-	adds r0, r5, 0x1\n\
-	lsls r0, 24\n\
-	lsrs r5, r0, 24\n\
-	cmp r5, 0xF\n\
-	bls _080B3598\n\
-	movs r5, 0\n\
-	ldr r7, _080B3678 @ =gUnknown_020386AA\n\
-	subs r1, r7, 0x6\n\
-	mov r9, r1\n\
-_080B35B0:\n\
-	movs r4, 0\n\
-	adds r2, r5, 0x1\n\
-	mov r10, r2\n\
-_080B35B6:\n\
-	mov r1, sp\n\
-	ldr r3, _080B367C @ =0x0000fffd\n\
-	adds r0, r3, 0\n\
-	ldrh r1, [r1]\n\
-	adds r0, r1\n\
-	adds r0, r4\n\
-	lsls r0, 16\n\
-	lsrs r0, 16\n\
-	ldr r2, _080B3680 @ =0x0000fffe\n\
-	adds r1, r2, 0\n\
-	mov r3, sp\n\
-	ldrh r3, [r3, 0x2]\n\
-	adds r1, r3\n\
-	adds r1, r5\n\
-	lsls r1, 16\n\
-	lsrs r1, 16\n\
-	ldr r2, [sp, 0x4]\n\
-	bl GetFieldObjectIdByXYZ\n\
-	lsls r0, 24\n\
-	lsrs r2, r0, 24\n\
-	cmp r2, 0x10\n\
-	beq _080B3650\n\
-	mov r0, r8\n\
-	lsls r3, r0, 3\n\
-	mov r1, r9\n\
-	adds r0, r3, r1\n\
-	movs r6, 0\n\
-	strh r2, [r0]\n\
-	mov r0, r9\n\
-	adds r0, 0x2\n\
-	adds r0, r3, r0\n\
-	strh r4, [r0]\n\
-	ldr r1, _080B3684 @ =gUnknown_020386A8\n\
-	adds r0, r3, r1\n\
-	strh r5, [r0]\n\
-	ldr r1, _080B3688 @ =gMapObjects\n\
-	lsls r0, r2, 3\n\
-	adds r0, r2\n\
-	lsls r0, 2\n\
-	adds r2, r0, r1\n\
-	ldrb r0, [r2, 0x18]\n\
-	lsls r0, 28\n\
-	lsrs r0, 28\n\
-	cmp r0, 0x1\n\
-	bne _080B3616\n\
-	adds r0, r3, r7\n\
-	strh r6, [r0]\n\
-_080B3616:\n\
-	ldrb r0, [r2, 0x18]\n\
-	lsls r0, 28\n\
-	lsrs r0, 28\n\
-	cmp r0, 0x2\n\
-	bne _080B3626\n\
-	adds r1, r3, r7\n\
-	movs r0, 0x1\n\
-	strh r0, [r1]\n\
-_080B3626:\n\
-	ldrb r0, [r2, 0x18]\n\
-	lsls r0, 28\n\
-	lsrs r0, 28\n\
-	cmp r0, 0x3\n\
-	bne _080B3636\n\
-	adds r1, r3, r7\n\
-	movs r0, 0x2\n\
-	strh r0, [r1]\n\
-_080B3636:\n\
-	ldrb r0, [r2, 0x18]\n\
-	lsls r0, 28\n\
-	lsrs r0, 28\n\
-	cmp r0, 0x4\n\
-	bne _080B3646\n\
-	adds r1, r3, r7\n\
-	movs r0, 0x3\n\
-	strh r0, [r1]\n\
-_080B3646:\n\
-	mov r0, r8\n\
-	adds r0, 0x1\n\
-	lsls r0, 24\n\
-	lsrs r0, 24\n\
-	mov r8, r0\n\
-_080B3650:\n\
-	adds r0, r4, 0x1\n\
-	lsls r0, 24\n\
-	lsrs r4, r0, 24\n\
-	cmp r4, 0x6\n\
-	bls _080B35B6\n\
-	mov r2, r10\n\
-	lsls r0, r2, 24\n\
-	lsrs r5, r0, 24\n\
-	cmp r5, 0x4\n\
-	bls _080B35B0\n\
-	add sp, 0x8\n\
-	pop {r3-r5}\n\
-	mov r8, r3\n\
-	mov r9, r4\n\
-	mov r10, r5\n\
-	pop {r4-r7}\n\
-	pop {r0}\n\
-	bx r0\n\
-	.align 2, 0\n\
-_080B3674: .4byte gUnknown_020386A4\n\
-_080B3678: .4byte gUnknown_020386AA\n\
-_080B367C: .4byte 0x0000fffd\n\
-_080B3680: .4byte 0x0000fffe\n\
-_080B3684: .4byte gUnknown_020386A8\n\
-_080B3688: .4byte gMapObjects\n\
-	.syntax divided");
+    s16 facingX;
+    s16 facingY;
+    u8 playerHeight;
+    u8 y;
+    u8 x;
+    u8 r8 = 0;
+
+    GetXYCoordsOneStepInFrontOfPlayer(&facingX, &facingY);
+    playerHeight = PlayerGetZCoord();
+    for (y = 0; y < 16; y++)
+        gUnknown_020386A4[y][0] = 16;
+    for (y = 0; y < 5; y++)
+    {
+        for (x = 0; x < 7; x++)
+        {
+            u8 mapObjId = GetFieldObjectIdByXYZ(facingX - 3 + x, facingY - 2 + y, playerHeight);
+
+            if (mapObjId != 16)
+            {
+                gUnknown_020386A4[r8][0] = mapObjId;
+                gUnknown_020386A4[r8][1] = x;
+                gUnknown_020386A4[r8][2] = y;
+                if (gMapObjects[mapObjId].mapobj_unk_18 == 1)
+                    gUnknown_020386A4[r8][3] = 0;
+                if (gMapObjects[mapObjId].mapobj_unk_18 == 2)
+                    gUnknown_020386A4[r8][3] = 1;
+                if (gMapObjects[mapObjId].mapobj_unk_18 == 3)
+                    gUnknown_020386A4[r8][3] = 2;
+                if (gMapObjects[mapObjId].mapobj_unk_18 == 4)
+                    gUnknown_020386A4[r8][3] = 3;
+                r8++;
+            }
+        }
+    }
 }
-/*
-struct UnkStruct_20386A4
-{
-	s16 mapObjId;
-	u16 unk2;
-	u16 unk4;
-	u8 unk6[2];
-};
-*/
-
-//extern s16 gUnknown_020386A4[][];
-//extern struct UnkStruct_20386A4 gUnknown_020386A4[];
 
-// all 3 of these are incredibly hard, please help
-/*void sub_80B368C(void)
+void sub_80B368C(void)
 {
-	// r0 = spriteId
-	// r1 = gUnknown_020386A4 + 6
-	// r2 = gSprites[spriteId]
-	// r3 = gUnknown_020386A4[i].unk4 + 32
-	// r4 = i * 8
-	// r5 = 0 (i)
-	// r6 = gUnknown_020386A4
-	// r7 = gMapObjects
-	// r8 = gUnknown_020386A4 + 6
-	// r9 = 
-	// r10 = 
-	// r11 = 
-	// r12 = 
-
-	u8 i = 0;
-	u8 *unkArray = (u8 *)&gUnknown_020386A4[6];
-
-	for(; i < 16; i++) // max objects?
-	{
-		s16 mapObjId = unkStruct[i].mapObjId;
-		if(mapObjId != 16)
-		{
-			u8 spriteId = AddPseudoFieldObject(
-			gMapObjects[mapObjId].graphicsId,
-			SpriteCallbackDummy,
-			unkStruct[i].unk2 * 16 + 8,
-			unkStruct[i].unk4 + 12,
-			2);
-			StartSpriteAnim(&gSprites[spriteId], unkArray[i]);
-		}
-	}
-}*/
+    u8 i;
+
+    for(i = 0; i < 16; i++) // max objects?
+    {
+        if(gUnknown_020386A4[i][0] == 16)
+            continue;
+
+        StartSpriteAnim(&gSprites[AddPseudoFieldObject(
+            gMapObjects[gUnknown_020386A4[i][0]].graphicsId,
+            SpriteCallbackDummy,
+            (u16)gUnknown_020386A4[i][1] * 16 + 8,
+            (u16)gUnknown_020386A4[i][2] * 16 + 32,
+            2)],
+            gUnknown_020386A4[i][3]);
+    }
+}
-- 
cgit v1.2.3


From 05c2f2e4fc7ad2fc98315e53a0b1adb7d4d4c0d1 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Tue, 22 Aug 2017 02:33:18 -0400
Subject: decompile up to sub_80B37F8

---
 src/shop.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 93 insertions(+), 28 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 06ec45292..aca48cc2e 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -19,13 +19,17 @@
 #include "field_map_obj.h"
 #include "field_player_avatar.h"
 #include "fieldmap.h"
+#include "item.h"
+
+extern void sub_80B39D0(int, int, int);
+extern void sub_80B3A70(void);
 
 struct UnknownShopStruct
 {
     /* 0x0 */ void (* callback) (void);
     /* 0x4 */ u16 *itemList;
     /* 0x8 */ u8 itemCount;
-    /* 0x9 */ u8 unk9;
+    /* 0x9 */ u8 cursor;
     /* 0xA */ u8 unkA;
     /* 0xB */ u8 unkB;
     /* 0xC */ bool8 unkC;
@@ -35,10 +39,26 @@ struct UnknownShopStruct
 extern struct UnknownShopStruct gUnknown_03000708;
 extern struct MenuAction gUnknown_083CC6D0[];
 
+extern u8 ewram[];
+
 extern u8 gUnknown_083CC6E8[];
 extern u8 gUnknown_083CC6EB[];
 extern u8 gBuyMenuFrame_Gfx[];
 
+#define ewram18000 ((u16 *)(ewram + 0x18000))
+#define ewram18300 ((u16 *)(ewram + 0x18300))
+
+// shop view window NPC info enum
+enum
+{
+    MAP_OBJ_ID,
+    X_COORD,
+    Y_COORD,
+    ANIM_NUM
+};
+
+extern s16 gUnknown_020386A4[][4]; // game freak barely uses 2d arrays wtf?
+
 extern u16 gBuyMenuFrame_Tilemap[];
 extern u16 gMenuMoneyPal[16];
 extern u16 gUnknown_083CC710[2];
@@ -47,7 +67,7 @@ u8 CreateShopMenu(bool8 var)
 {
     ScriptContext2_Enable();
     gUnknown_03000708.unkC = var;
-    gUnknown_03000708.unk9 = 0;
+    gUnknown_03000708.cursor = 0;
 
     if(var == FALSE)
     {
@@ -89,35 +109,35 @@ void sub_80B2E38(u8 var)
 {
     const u8 local = var;
 
-    if(gMain.newAndRepeatedKeys & 0x40)
+    if(gMain.newAndRepeatedKeys & DPAD_UP)
     {
-        if(gUnknown_03000708.unk9)
+        if(gUnknown_03000708.cursor) // can move cursor up?
         {
             PlaySE(0x5);
-            gUnknown_03000708.unk9 = MoveMenuCursor(-1);
+            gUnknown_03000708.cursor = MoveMenuCursor(-1);
         }
     }
-    else if(gMain.newAndRepeatedKeys & 0x80)
+    else if(gMain.newAndRepeatedKeys & DPAD_DOWN)
     {
-        if(gUnknown_03000708.unk9 != gUnknown_03000708.unkA)
+        if(gUnknown_03000708.cursor != gUnknown_03000708.unkA) // can move cursor down?
         {
             PlaySE(0x5);
-            gUnknown_03000708.unk9 = MoveMenuCursor(1);
+            gUnknown_03000708.cursor = MoveMenuCursor(1);
         }
     }
-    else if (gMain.newKeys & 1)
+    else if (gMain.newKeys & A_BUTTON)
     {
         PlaySE(0x5);
         if(!gUnknown_03000708.unkC)
         {
-            gUnknown_083CC6D0[gUnknown_083CC6E8[gUnknown_03000708.unk9]].func(local);
+            gUnknown_083CC6D0[gUnknown_083CC6E8[gUnknown_03000708.cursor]].func(local);
         }
         else
         {
-            gUnknown_083CC6D0[gUnknown_083CC6EB[gUnknown_03000708.unk9]].func(local);
+            gUnknown_083CC6D0[gUnknown_083CC6EB[gUnknown_03000708.cursor]].func(local);
         }
     }
-    else if(gMain.newKeys & 2)
+    else if(gMain.newKeys & B_BUTTON)
     {
         PlaySE(0x5);
         HandleShopMenuQuit(local);
@@ -256,7 +276,7 @@ void BuyMenuDrawGraphics(void)
     SetUpWindowConfig(&gWindowConfig_81E6DFC);
     InitMenuWindow(&gWindowConfig_81E6DFC);
     BuyMenuDrawMapGraphics();
-    gUnknown_03000708.unk9 = zero;
+    gUnknown_03000708.cursor = zero;
     gUnknown_03000708.unkB = zero2;
     MenuZeroFillWindowRect(0, 0, 0x20, 0x20);
     sub_80B7C14(gSaveBlock1.money, 0, 0);
@@ -401,8 +421,6 @@ void BuyMenuDrawMapGraphics(void)
     sub_80B3420();
 }
 
-extern s16 gUnknown_020386A4[][4];
-
 void sub_80B356C(void)
 {
     s16 facingX;
@@ -415,7 +433,7 @@ void sub_80B356C(void)
     GetXYCoordsOneStepInFrontOfPlayer(&facingX, &facingY);
     playerHeight = PlayerGetZCoord();
     for (y = 0; y < 16; y++)
-        gUnknown_020386A4[y][0] = 16;
+        gUnknown_020386A4[y][MAP_OBJ_ID] = 16;
     for (y = 0; y < 5; y++)
     {
         for (x = 0; x < 7; x++)
@@ -424,17 +442,17 @@ void sub_80B356C(void)
 
             if (mapObjId != 16)
             {
-                gUnknown_020386A4[r8][0] = mapObjId;
-                gUnknown_020386A4[r8][1] = x;
-                gUnknown_020386A4[r8][2] = y;
+                gUnknown_020386A4[r8][MAP_OBJ_ID] = mapObjId;
+                gUnknown_020386A4[r8][X_COORD] = x;
+                gUnknown_020386A4[r8][Y_COORD] = y;
                 if (gMapObjects[mapObjId].mapobj_unk_18 == 1)
-                    gUnknown_020386A4[r8][3] = 0;
+                    gUnknown_020386A4[r8][ANIM_NUM] = 0;
                 if (gMapObjects[mapObjId].mapobj_unk_18 == 2)
-                    gUnknown_020386A4[r8][3] = 1;
+                    gUnknown_020386A4[r8][ANIM_NUM] = 1;
                 if (gMapObjects[mapObjId].mapobj_unk_18 == 3)
-                    gUnknown_020386A4[r8][3] = 2;
+                    gUnknown_020386A4[r8][ANIM_NUM] = 2;
                 if (gMapObjects[mapObjId].mapobj_unk_18 == 4)
-                    gUnknown_020386A4[r8][3] = 3;
+                    gUnknown_020386A4[r8][ANIM_NUM] = 3;
                 r8++;
             }
         }
@@ -447,15 +465,62 @@ void sub_80B368C(void)
 
     for(i = 0; i < 16; i++) // max objects?
     {
-        if(gUnknown_020386A4[i][0] == 16)
+        if(gUnknown_020386A4[i][MAP_OBJ_ID] == 16)
             continue;
 
         StartSpriteAnim(&gSprites[AddPseudoFieldObject(
-            gMapObjects[gUnknown_020386A4[i][0]].graphicsId,
+            gMapObjects[gUnknown_020386A4[i][MAP_OBJ_ID]].graphicsId,
             SpriteCallbackDummy,
-            (u16)gUnknown_020386A4[i][1] * 16 + 8,
-            (u16)gUnknown_020386A4[i][2] * 16 + 32,
+            (u16)gUnknown_020386A4[i][X_COORD] * 16 + 8,
+            (u16)gUnknown_020386A4[i][Y_COORD] * 16 + 32,
             2)],
-            gUnknown_020386A4[i][3]);
+            gUnknown_020386A4[i][ANIM_NUM]);
+    }
+}
+
+void sub_80B3720(void)
+{
+    s16 i;
+    
+    for (i = 0; i < 0x400; i++)
+    {
+        if (ewram18000[i] != 0)
+            gBGTilemapBuffers[1][i] = ewram18000[i] + 0xC3E0;
     }
 }
+
+void sub_80B3764(int var1, int var2)
+{
+    sub_80B3720();
+    sub_80B39D0(var1, var2, 0);
+    InitMenu(0, 0xE, 0x2, 0x8, gUnknown_03000708.cursor, 0xF);
+}
+
+void sub_80B379C(void)
+{
+    u16 i, j;
+
+    for(i = 0; i < 8; i++)
+        for(j = 0; j < 14; j++)
+            gBGTilemapBuffers[1][32 * (i + 12) + j] = ewram18300[32 * i + j] + 0xC3E0;
+}
+
+void sub_80B37EC(void)
+{
+    sub_80B3A70();
+}
+
+void sub_80B37F8(u8 taskId)
+{
+    u16 itemListIndex = gUnknown_03000708.unkB + gUnknown_03000708.cursor;
+    u16 itemId = *(gUnknown_03000708.itemList + itemListIndex);
+    u32 price = (ItemId_GetPrice(itemId) >> GetPriceReduction(1));
+
+    sub_80B7A94(gTasks[taskId].data[1] * price, 6, 6, 11);
+    gStringVar1[0] = EXT_CTRL_CODE_BEGIN;
+    gStringVar1[1] = 0x14;
+    gStringVar1[2] = 0x6;
+    ConvertIntToDecimalStringN(&gStringVar1[3], gTasks[taskId].data[1], 1, 2);
+    MenuPrint(gOtherText_xString1, 1, 11);
+    sub_80A3FA0(gBGTilemapBuffers[1], 1, 11, 12, 2, 0xC3E1);
+}
-- 
cgit v1.2.3


From f325f2d9ca2c40ed5a728fa4bea585e3bd71ca81 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Thu, 24 Aug 2017 02:13:07 -0400
Subject: decompile up to sub_80B3A70

---
 src/money.c |   2 +-
 src/shop.c  | 179 ++++++++++++++++++++++++++++++++++++++++++++++--------------
 2 files changed, 140 insertions(+), 41 deletions(-)

(limited to 'src')

diff --git a/src/money.c b/src/money.c
index 5d9d0b689..67b7eb03f 100644
--- a/src/money.c
+++ b/src/money.c
@@ -148,7 +148,7 @@ void sub_80B7AEC(u32 arg0, u8 left, u8 top)
 }
 
 __attribute__((naked))
-void sub_80B7B34(void)
+void sub_80B7B34(u8 var1, u8 var2, int var3)
 {
     asm(".syntax unified\n\
     push {r4-r7,lr}\n\
diff --git a/src/shop.c b/src/shop.c
index aca48cc2e..91d84363e 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -20,23 +20,27 @@
 #include "field_player_avatar.h"
 #include "fieldmap.h"
 #include "item.h"
+#include "decoration.h"
 
-extern void sub_80B39D0(int, int, int);
-extern void sub_80B3A70(void);
+enum
+{
+    MART_TYPE_0, // normal mart
+    MART_TYPE_1,
+    MART_TYPE_2,
+};
 
-struct UnknownShopStruct
+struct MartInfo
 {
     /* 0x0 */ void (* callback) (void);
     /* 0x4 */ u16 *itemList;
     /* 0x8 */ u8 itemCount;
     /* 0x9 */ u8 cursor;
-    /* 0xA */ u8 unkA;
-    /* 0xB */ u8 unkB;
-    /* 0xC */ bool8 unkC;
-    // unknown size
+    /* 0xA */ u8 numChoices;
+    /* 0xB */ u8 choicesAbove;
+    /* 0xC */ u8 martType;
 };
 
-extern struct UnknownShopStruct gUnknown_03000708;
+extern struct MartInfo gMartInfo;
 extern struct MenuAction gUnknown_083CC6D0[];
 
 extern u8 ewram[];
@@ -63,44 +67,47 @@ extern u16 gBuyMenuFrame_Tilemap[];
 extern u16 gMenuMoneyPal[16];
 extern u16 gUnknown_083CC710[2];
 
-u8 CreateShopMenu(bool8 var)
+void sub_80B39D0(int var1, int var2, bool32 hasControlCode);
+void sub_80B3A70(void);
+
+u8 CreateShopMenu(u8 martType)
 {
     ScriptContext2_Enable();
-    gUnknown_03000708.unkC = var;
-    gUnknown_03000708.cursor = 0;
+    gMartInfo.martType = martType;
+    gMartInfo.cursor = 0;
 
-    if(var == FALSE)
+    if(martType == MART_TYPE_0)
     {
-        gUnknown_03000708.unkA = 2;
+        gMartInfo.numChoices = 2;
         MenuDrawTextWindow(0, 0, 10, 7);
         PrintMenuItemsReordered(1, 1, 3, gUnknown_083CC6D0, (u8 *)gUnknown_083CC6E8);
     }
     else
     {
-        gUnknown_03000708.unkA = 1;
+        gMartInfo.numChoices = 1;
         MenuDrawTextWindow(0, 0, 10, 5);
         PrintMenuItemsReordered(1, 1, 2, gUnknown_083CC6D0, (u8 *)gUnknown_083CC6EB);
     }
-    InitMenu(0, 1, 1, gUnknown_03000708.unkA + 1, 0, 9);
+    InitMenu(0, 1, 1, gMartInfo.numChoices + 1, 0, 9); // add 1 for cancel
 
     return CreateTask(sub_80B2E38, 8);
 }
 
 void SetShopMenuCallback(void *callbackPtr)
 {
-    gUnknown_03000708.callback = callbackPtr;
+    gMartInfo.callback = callbackPtr;
 }
 
 void SetShopItemsForSale(u16 *items)
 {
     u16 i = 0;
 
-    gUnknown_03000708.itemList = items;
-    gUnknown_03000708.itemCount = 0;
+    gMartInfo.itemList = items;
+    gMartInfo.itemCount = 0;
 
-    while (gUnknown_03000708.itemList[i])
+    while (gMartInfo.itemList[i])
     {
-        gUnknown_03000708.itemCount++;
+        gMartInfo.itemCount++;
         i++;
     }
 }
@@ -111,30 +118,30 @@ void sub_80B2E38(u8 var)
 
     if(gMain.newAndRepeatedKeys & DPAD_UP)
     {
-        if(gUnknown_03000708.cursor) // can move cursor up?
+        if(gMartInfo.cursor) // can move cursor up?
         {
             PlaySE(0x5);
-            gUnknown_03000708.cursor = MoveMenuCursor(-1);
+            gMartInfo.cursor = MoveMenuCursor(-1);
         }
     }
     else if(gMain.newAndRepeatedKeys & DPAD_DOWN)
     {
-        if(gUnknown_03000708.cursor != gUnknown_03000708.unkA) // can move cursor down?
+        if(gMartInfo.cursor != gMartInfo.numChoices) // can move cursor down?
         {
             PlaySE(0x5);
-            gUnknown_03000708.cursor = MoveMenuCursor(1);
+            gMartInfo.cursor = MoveMenuCursor(1);
         }
     }
     else if (gMain.newKeys & A_BUTTON)
     {
         PlaySE(0x5);
-        if(!gUnknown_03000708.unkC)
+        if(gMartInfo.martType == MART_TYPE_0)
         {
-            gUnknown_083CC6D0[gUnknown_083CC6E8[gUnknown_03000708.cursor]].func(local);
+            gUnknown_083CC6D0[gUnknown_083CC6E8[gMartInfo.cursor]].func(local);
         }
         else
         {
-            gUnknown_083CC6D0[gUnknown_083CC6EB[gUnknown_03000708.cursor]].func(local);
+            gUnknown_083CC6D0[gUnknown_083CC6EB[gMartInfo.cursor]].func(local);
         }
     }
     else if(gMain.newKeys & B_BUTTON)
@@ -164,12 +171,12 @@ void HandleShopMenuQuit(u8 taskId)
 {
     HandleDestroyMenuCursors();
     MenuZeroFillWindowRect(0, 0, 11, 8);
-    sub_80BE3BC(); // in tv.s?
+    sub_80BE3BC();
     ScriptContext2_Disable();
     DestroyTask(taskId);
 
-    if(gUnknown_03000708.callback)
-        gUnknown_03000708.callback(); // run the callback if it exists.
+    if(gMartInfo.callback)
+        gMartInfo.callback(); // run the callback if it exists.
 }
 
 void sub_80B2FA0(u8 taskId)
@@ -183,7 +190,7 @@ void sub_80B2FA0(u8 taskId)
 
 void ReturnToShopMenuAfterExitingSellMenu(u8 taskId)
 {
-    CreateShopMenu(gUnknown_03000708.unkC);
+    CreateShopMenu(gMartInfo.martType);
     DestroyTask(taskId);
 }
 
@@ -191,7 +198,7 @@ void Task_ExitSellMenu(u8 taskId)
 {
     if(sub_807D770() == 1)
     {
-        if(gUnknown_03000708.unkC == 2)
+        if(gMartInfo.martType == MART_TYPE_2)
             DisplayItemMessageOnField(taskId, gOtherText_CanIHelpYou, ReturnToShopMenuAfterExitingSellMenu, 0);
         else
             DisplayItemMessageOnField(taskId, gOtherText_AnythingElse, ReturnToShopMenuAfterExitingSellMenu, 0);
@@ -276,8 +283,8 @@ void BuyMenuDrawGraphics(void)
     SetUpWindowConfig(&gWindowConfig_81E6DFC);
     InitMenuWindow(&gWindowConfig_81E6DFC);
     BuyMenuDrawMapGraphics();
-    gUnknown_03000708.cursor = zero;
-    gUnknown_03000708.unkB = zero2;
+    gMartInfo.cursor = zero;
+    gMartInfo.choicesAbove = zero2;
     MenuZeroFillWindowRect(0, 0, 0x20, 0x20);
     sub_80B7C14(gSaveBlock1.money, 0, 0);
     sub_80B3764(0, 7);
@@ -306,7 +313,7 @@ void sub_80B3270(void)
 {
     sub_80F944C();
 
-    if(gUnknown_03000708.itemCount > 7)
+    if(gMartInfo.itemCount > 7)
     {
         CreateVerticalScrollIndicators(0, 172, 12);
         CreateVerticalScrollIndicators(1, 172, 148);
@@ -316,12 +323,12 @@ void sub_80B3270(void)
 
 void sub_80B32A4(void)
 {
-    if(gUnknown_03000708.unkB == 0)
+    if(gMartInfo.choicesAbove == 0)
         sub_80F979C(0, 1);
     else
         sub_80F979C(0, 0);
 
-    if(gUnknown_03000708.unkB + 7 >= gUnknown_03000708.itemCount)
+    if(gMartInfo.choicesAbove + 7 >= gMartInfo.itemCount)
         sub_80F979C(1, 1);
     else
         sub_80F979C(1, 0);
@@ -493,7 +500,7 @@ void sub_80B3764(int var1, int var2)
 {
     sub_80B3720();
     sub_80B39D0(var1, var2, 0);
-    InitMenu(0, 0xE, 0x2, 0x8, gUnknown_03000708.cursor, 0xF);
+    InitMenu(0, 0xE, 0x2, 0x8, gMartInfo.cursor, 0xF);
 }
 
 void sub_80B379C(void)
@@ -512,8 +519,8 @@ void sub_80B37EC(void)
 
 void sub_80B37F8(u8 taskId)
 {
-    u16 itemListIndex = gUnknown_03000708.unkB + gUnknown_03000708.cursor;
-    u16 itemId = *(gUnknown_03000708.itemList + itemListIndex);
+    u16 itemListIndex = gMartInfo.choicesAbove + gMartInfo.cursor;
+    u16 itemId = *(gMartInfo.itemList + itemListIndex);
     u32 price = (ItemId_GetPrice(itemId) >> GetPriceReduction(1));
 
     sub_80B7A94(gTasks[taskId].data[1] * price, 6, 6, 11);
@@ -524,3 +531,95 @@ void sub_80B37F8(u8 taskId)
     MenuPrint(gOtherText_xString1, 1, 11);
     sub_80A3FA0(gBGTilemapBuffers[1], 1, 11, 12, 2, 0xC3E1);
 }
+
+void sub_80B389C(u16 itemId, u8 var2, bool32 hasControlCode)
+{
+    u8 *stringPtr = gStringVar1;
+
+    if(hasControlCode != FALSE)
+    {
+        stringPtr[0] = EXT_CTRL_CODE_BEGIN;
+        stringPtr[1] = 0x1;
+        stringPtr[2] = 0x2;
+        stringPtr += 3;
+    }
+
+    CopyItemName(itemId, stringPtr);
+
+    sub_8072A18(&gStringVar1[0], 0x70, var2 << 3, 0x58, 0x1);
+    stringPtr = gStringVar1;
+
+    if(hasControlCode != FALSE)
+        stringPtr = &gStringVar1[3];
+
+    sub_80B79F8(stringPtr, (ItemId_GetPrice(itemId) >> GetPriceReduction(1)), 0x4);
+    MenuPrint_PixelCoords(&gStringVar1[0], 0xCA, var2 << 3, 1);
+}
+
+void sub_80B3930(u16 itemId, u8 var2, bool32 hasControlCode)
+{
+    u8 *stringPtr = gStringVar1;
+
+    if(hasControlCode != FALSE)
+    {
+        stringPtr[0] = EXT_CTRL_CODE_BEGIN;
+        stringPtr[1] = 0x1;
+        stringPtr[2] = 0x2;
+        stringPtr += 3;
+    }
+
+    StringCopy(stringPtr, gDecorations[itemId].name);
+    sub_8072A18(&gStringVar1[0], 0x70, var2 << 3, 0x58, 0x1);
+    stringPtr = gStringVar1;
+
+    if(hasControlCode != FALSE)
+        stringPtr = &gStringVar1[3];
+
+    if(gDecorations[itemId].price == 10000)
+    {
+        sub_80B7B34(0x19, var2, hasControlCode); // huh???
+    }
+    else
+    {
+        sub_80B79F8(stringPtr, gDecorations[itemId].price, 0x4);
+        MenuPrint_PixelCoords(&gStringVar1[0], 0xCA, var2 << 3, 0x1);
+    }
+}
+
+void sub_80B39D0(int var1, int var2, bool32 hasControlCode)
+{
+    u8 i;
+
+    for(i = var1; i <= var2 && gMartInfo.choicesAbove + i < gMartInfo.itemCount; i++)
+    {
+        if(gMartInfo.martType == MART_TYPE_0)
+            sub_80B389C(gMartInfo.itemList[gMartInfo.choicesAbove + i], (i << 1) + 2, hasControlCode);
+        else
+            sub_80B3930(gMartInfo.itemList[gMartInfo.choicesAbove + i], (i << 1) + 2, hasControlCode);
+    }
+
+    if(i != 8 && gMartInfo.choicesAbove + i == gMartInfo.itemCount)
+    {
+        MenuFillWindowRectWithBlankTile(0xE, (i << 1) + 2, 0x1C, (i << 1) + 3);
+        MenuPrint(gOtherText_CancelNoTerminator, 0xE, (i << 1) + 2);
+    }
+}
+
+void sub_80B3A70(void)
+{
+    if(gMartInfo.choicesAbove + gMartInfo.cursor != gMartInfo.itemCount)
+    {
+        if(gMartInfo.martType == MART_TYPE_0)
+        {
+            sub_8072AB0(ItemId_GetDescription(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]),
+                0x4, 0x68, 0x68, 0x30, MART_TYPE_0);
+        }
+        else
+            sub_8072AB0(gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].description, // doesn't consider choicesAbove?
+                0x4, 0x68, 0x68, 0x30, MART_TYPE_0); // huh??
+    }
+    else
+    {
+        sub_8072AB0(gOtherText_QuitShopping, 0x4, 0x68, 0x68, 0x30, MART_TYPE_0);
+    }
+}
-- 
cgit v1.2.3


From a8432ea708c0e2cf5443ba4286ddece562999ebb Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Thu, 24 Aug 2017 02:25:21 -0400
Subject: whatever cam

---
 src/shop.c | 62 +++++++++++++++++++++++++++++++-------------------------------
 1 file changed, 31 insertions(+), 31 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 91d84363e..17cebfee6 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -76,7 +76,7 @@ u8 CreateShopMenu(u8 martType)
     gMartInfo.martType = martType;
     gMartInfo.cursor = 0;
 
-    if(martType == MART_TYPE_0)
+    if (martType == MART_TYPE_0)
     {
         gMartInfo.numChoices = 2;
         MenuDrawTextWindow(0, 0, 10, 7);
@@ -116,17 +116,17 @@ void sub_80B2E38(u8 var)
 {
     const u8 local = var;
 
-    if(gMain.newAndRepeatedKeys & DPAD_UP)
+    if (gMain.newAndRepeatedKeys & DPAD_UP)
     {
-        if(gMartInfo.cursor) // can move cursor up?
+        if (gMartInfo.cursor) // can move cursor up?
         {
             PlaySE(0x5);
             gMartInfo.cursor = MoveMenuCursor(-1);
         }
     }
-    else if(gMain.newAndRepeatedKeys & DPAD_DOWN)
+    else if (gMain.newAndRepeatedKeys & DPAD_DOWN)
     {
-        if(gMartInfo.cursor != gMartInfo.numChoices) // can move cursor down?
+        if (gMartInfo.cursor != gMartInfo.numChoices) // can move cursor down?
         {
             PlaySE(0x5);
             gMartInfo.cursor = MoveMenuCursor(1);
@@ -135,7 +135,7 @@ void sub_80B2E38(u8 var)
     else if (gMain.newKeys & A_BUTTON)
     {
         PlaySE(0x5);
-        if(gMartInfo.martType == MART_TYPE_0)
+        if (gMartInfo.martType == MART_TYPE_0)
         {
             gUnknown_083CC6D0[gUnknown_083CC6E8[gMartInfo.cursor]].func(local);
         }
@@ -144,7 +144,7 @@ void sub_80B2E38(u8 var)
             gUnknown_083CC6D0[gUnknown_083CC6EB[gMartInfo.cursor]].func(local);
         }
     }
-    else if(gMain.newKeys & B_BUTTON)
+    else if (gMain.newKeys & B_BUTTON)
     {
         PlaySE(0x5);
         HandleShopMenuQuit(local);
@@ -175,13 +175,13 @@ void HandleShopMenuQuit(u8 taskId)
     ScriptContext2_Disable();
     DestroyTask(taskId);
 
-    if(gMartInfo.callback)
+    if (gMartInfo.callback)
         gMartInfo.callback(); // run the callback if it exists.
 }
 
 void sub_80B2FA0(u8 taskId)
 {
-    if(!gPaletteFade.active)
+    if (!gPaletteFade.active)
     {
         SetMainCallback2((void *)((u16)gTasks[taskId].data[8] << 16 | (u16)gTasks[taskId].data[9]));
         DestroyTask(taskId);
@@ -196,9 +196,9 @@ void ReturnToShopMenuAfterExitingSellMenu(u8 taskId)
 
 void Task_ExitSellMenu(u8 taskId)
 {
-    if(sub_807D770() == 1)
+    if (sub_807D770() == 1)
     {
-        if(gMartInfo.martType == MART_TYPE_2)
+        if (gMartInfo.martType == MART_TYPE_2)
             DisplayItemMessageOnField(taskId, gOtherText_CanIHelpYou, ReturnToShopMenuAfterExitingSellMenu, 0);
         else
             DisplayItemMessageOnField(taskId, gOtherText_AnythingElse, ReturnToShopMenuAfterExitingSellMenu, 0);
@@ -313,7 +313,7 @@ void sub_80B3270(void)
 {
     sub_80F944C();
 
-    if(gMartInfo.itemCount > 7)
+    if (gMartInfo.itemCount > 7)
     {
         CreateVerticalScrollIndicators(0, 172, 12);
         CreateVerticalScrollIndicators(1, 172, 148);
@@ -323,12 +323,12 @@ void sub_80B3270(void)
 
 void sub_80B32A4(void)
 {
-    if(gMartInfo.choicesAbove == 0)
+    if (gMartInfo.choicesAbove == 0)
         sub_80F979C(0, 1);
     else
         sub_80F979C(0, 0);
 
-    if(gMartInfo.choicesAbove + 7 >= gMartInfo.itemCount)
+    if (gMartInfo.choicesAbove + 7 >= gMartInfo.itemCount)
         sub_80F979C(1, 1);
     else
         sub_80F979C(1, 0);
@@ -354,7 +354,7 @@ void BuyMenuDrawMapMetatile(int var1, int var2, u16 *var3, s32 var4)
     s16 offset1 = var1 * 2;
     s16 offset2 = (var2 * 0x40) + 0x40;
 
-    switch(tempVar4)
+    switch (tempVar4)
     {
     case 0: // _080B335C
         BuyMenuDrawMapMetatileLayer(gBGTilemapBuffers[2], offset1, offset2, var3);
@@ -470,9 +470,9 @@ void sub_80B368C(void)
 {
     u8 i;
 
-    for(i = 0; i < 16; i++) // max objects?
+    for (i = 0; i < 16; i++) // max objects?
     {
-        if(gUnknown_020386A4[i][MAP_OBJ_ID] == 16)
+        if (gUnknown_020386A4[i][MAP_OBJ_ID] == 16)
             continue;
 
         StartSpriteAnim(&gSprites[AddPseudoFieldObject(
@@ -507,8 +507,8 @@ void sub_80B379C(void)
 {
     u16 i, j;
 
-    for(i = 0; i < 8; i++)
-        for(j = 0; j < 14; j++)
+    for (i = 0; i < 8; i++)
+        for (j = 0; j < 14; j++)
             gBGTilemapBuffers[1][32 * (i + 12) + j] = ewram18300[32 * i + j] + 0xC3E0;
 }
 
@@ -536,7 +536,7 @@ void sub_80B389C(u16 itemId, u8 var2, bool32 hasControlCode)
 {
     u8 *stringPtr = gStringVar1;
 
-    if(hasControlCode != FALSE)
+    if (hasControlCode != FALSE)
     {
         stringPtr[0] = EXT_CTRL_CODE_BEGIN;
         stringPtr[1] = 0x1;
@@ -549,7 +549,7 @@ void sub_80B389C(u16 itemId, u8 var2, bool32 hasControlCode)
     sub_8072A18(&gStringVar1[0], 0x70, var2 << 3, 0x58, 0x1);
     stringPtr = gStringVar1;
 
-    if(hasControlCode != FALSE)
+    if (hasControlCode != FALSE)
         stringPtr = &gStringVar1[3];
 
     sub_80B79F8(stringPtr, (ItemId_GetPrice(itemId) >> GetPriceReduction(1)), 0x4);
@@ -560,7 +560,7 @@ void sub_80B3930(u16 itemId, u8 var2, bool32 hasControlCode)
 {
     u8 *stringPtr = gStringVar1;
 
-    if(hasControlCode != FALSE)
+    if (hasControlCode != FALSE)
     {
         stringPtr[0] = EXT_CTRL_CODE_BEGIN;
         stringPtr[1] = 0x1;
@@ -572,10 +572,10 @@ void sub_80B3930(u16 itemId, u8 var2, bool32 hasControlCode)
     sub_8072A18(&gStringVar1[0], 0x70, var2 << 3, 0x58, 0x1);
     stringPtr = gStringVar1;
 
-    if(hasControlCode != FALSE)
+    if (hasControlCode != FALSE)
         stringPtr = &gStringVar1[3];
 
-    if(gDecorations[itemId].price == 10000)
+    if (gDecorations[itemId].price == 10000)
     {
         sub_80B7B34(0x19, var2, hasControlCode); // huh???
     }
@@ -590,15 +590,15 @@ void sub_80B39D0(int var1, int var2, bool32 hasControlCode)
 {
     u8 i;
 
-    for(i = var1; i <= var2 && gMartInfo.choicesAbove + i < gMartInfo.itemCount; i++)
+    for (i = var1; i <= var2 && gMartInfo.choicesAbove + i < gMartInfo.itemCount; i++)
     {
-        if(gMartInfo.martType == MART_TYPE_0)
+        if (gMartInfo.martType == MART_TYPE_0)
             sub_80B389C(gMartInfo.itemList[gMartInfo.choicesAbove + i], (i << 1) + 2, hasControlCode);
         else
             sub_80B3930(gMartInfo.itemList[gMartInfo.choicesAbove + i], (i << 1) + 2, hasControlCode);
     }
 
-    if(i != 8 && gMartInfo.choicesAbove + i == gMartInfo.itemCount)
+    if (i != 8 && gMartInfo.choicesAbove + i == gMartInfo.itemCount)
     {
         MenuFillWindowRectWithBlankTile(0xE, (i << 1) + 2, 0x1C, (i << 1) + 3);
         MenuPrint(gOtherText_CancelNoTerminator, 0xE, (i << 1) + 2);
@@ -607,16 +607,16 @@ void sub_80B39D0(int var1, int var2, bool32 hasControlCode)
 
 void sub_80B3A70(void)
 {
-    if(gMartInfo.choicesAbove + gMartInfo.cursor != gMartInfo.itemCount)
+    if (gMartInfo.choicesAbove + gMartInfo.cursor != gMartInfo.itemCount)
     {
-        if(gMartInfo.martType == MART_TYPE_0)
+        if (gMartInfo.martType == MART_TYPE_0)
         {
             sub_8072AB0(ItemId_GetDescription(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]),
                 0x4, 0x68, 0x68, 0x30, MART_TYPE_0);
         }
         else
-            sub_8072AB0(gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].description, // doesn't consider choicesAbove?
-                0x4, 0x68, 0x68, 0x30, MART_TYPE_0); // huh??
+            sub_8072AB0(gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].description,
+                0x4, 0x68, 0x68, 0x30, MART_TYPE_0); // huh?? if mart type isnt 0, why assume it?
     }
     else
     {
-- 
cgit v1.2.3


From e427c657f2f44f06a0dd085a79d2e91c4045f0f0 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Thu, 24 Aug 2017 17:30:42 -0400
Subject: decompile up to sub_80B3BF4

---
 src/shop.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 17cebfee6..6150d1b78 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -21,6 +21,13 @@
 #include "fieldmap.h"
 #include "item.h"
 #include "decoration.h"
+#include "items.h"
+#include "songs.h"
+#include "rom4.h"
+#include "decoration_inventory.h"
+
+extern void sub_80B4378(u8);
+extern void sub_80B4470(u8);
 
 enum
 {
@@ -43,6 +50,8 @@ struct MartInfo
 extern struct MartInfo gMartInfo;
 extern struct MenuAction gUnknown_083CC6D0[];
 
+extern u32 gMartTotalCost; // the total cost of a purchase before checking out.
+
 extern u8 ewram[];
 
 extern u8 gUnknown_083CC6E8[];
@@ -623,3 +632,71 @@ void sub_80B3A70(void)
         sub_8072AB0(gOtherText_QuitShopping, 0x4, 0x68, 0x68, 0x30, MART_TYPE_0);
     }
 }
+
+void sub_80B3AEC(u8 taskId)
+{
+    if(gMain.newKeys & A_BUTTON || gMain.newKeys & B_BUTTON)
+    {
+        sub_80B39D0(gMartInfo.cursor, gMartInfo.cursor, 0); // huh???
+        PlaySE(SE_SELECT);
+
+        if(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor] == ITEM_POKE_BALL && gTasks[taskId].data[1] >= 10 && AddBagItem(ITEM_PREMIER_BALL, 1) == TRUE)
+            DisplayItemMessageOnField(taskId, gOtherText_FreePremierBall, sub_80B4378, 0xC3E1);
+        else
+            sub_80B4378(taskId);
+    }
+}
+
+void sub_80B3B80(u8 taskId)
+{
+    IncrementGameStat(0x26);
+    sub_80B79E0(&gSaveBlock1.money, gMartTotalCost);
+    PlaySE(0x5F);
+    sub_80B7BEC(gSaveBlock1.money, 0, 0);
+    gTasks[taskId].func = sub_80B3AEC;
+}
+
+void sub_80B3BD0(u8 taskId)
+{
+    sub_80B39D0(gMartInfo.cursor, gMartInfo.cursor, 0); // same thing as above?
+    sub_80B4378(taskId);
+}
+
+void sub_80B3BF4(u8 taskId)
+{
+    MenuZeroFillWindowRect(0x7, 0x8, 0xD, 0xD);
+    sub_80A3FA0(gBGTilemapBuffers[1], 8, 9, 4, 4, 0);
+    sub_80B379C();
+    sub_80B3420();
+
+    if(IsEnoughMoney(gSaveBlock1.money, gMartTotalCost))
+    {
+        if(gMartInfo.martType == MART_TYPE_0)
+        {
+            if(AddBagItem(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor], gTasks[taskId].data[1]))
+            {
+                DisplayItemMessageOnField(taskId, gOtherText_HereYouGo, sub_80B3B80, 0xC3E1);
+                sub_80B4470(taskId);
+            }
+            else
+                DisplayItemMessageOnField(taskId, gOtherText_NoRoomFor, sub_80B3BD0, 0xC3E1);
+        }
+        else // a normal mart is only type 0, so types 1 and 2 are decoration marts.
+        {
+            if(IsThereStorageSpaceForDecoration(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]))
+            {
+                if(gMartInfo.martType == MART_TYPE_1)
+                    DisplayItemMessageOnField(taskId, gOtherText_HereYouGo2, sub_80B3B80, 0xC3E1);
+                else
+                    DisplayItemMessageOnField(taskId, gOtherText_HereYouGo3, sub_80B3B80, 0xC3E1);
+            }
+            else
+            {
+                StringExpandPlaceholders(gStringVar4, gOtherText_SpaceForIsFull);
+                DisplayItemMessageOnField(taskId, gStringVar4, sub_80B3BD0, 0xC3E1);
+            }
+        }
+    }
+    else
+        DisplayItemMessageOnField(taskId, gOtherText_NotEnoughMoney, sub_80B3BD0, 0xC3E1);
+}
-- 
cgit v1.2.3


From 28836dd9b7f1f38ba1d065e2c336d32628fb7cca Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Fri, 25 Aug 2017 00:14:33 -0400
Subject: decompile up to sub_80B3EFC

---
 src/shop.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 6150d1b78..0ce14c004 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -28,6 +28,7 @@
 
 extern void sub_80B4378(u8);
 extern void sub_80B4470(u8);
+extern bool8 sub_80A52C4(u8, u8);
 
 enum
 {
@@ -45,10 +46,12 @@ struct MartInfo
     /* 0xA */ u8 numChoices;
     /* 0xB */ u8 choicesAbove;
     /* 0xC */ u8 martType;
+    /* 0xD */ u8 unkD;
 };
 
 extern struct MartInfo gMartInfo;
 extern struct MenuAction gUnknown_083CC6D0[];
+extern struct YesNoFuncTable gUnknown_083CC708[];
 
 extern u32 gMartTotalCost; // the total cost of a purchase before checking out.
 
@@ -700,3 +703,60 @@ void sub_80B3BF4(u8 taskId)
     else
         DisplayItemMessageOnField(taskId, gOtherText_NotEnoughMoney, sub_80B3BD0, 0xC3E1);
 }
+
+void sub_80B3D38(u8 taskId)
+{
+    DisplayYesNoMenu(7, 8, 1);
+    sub_80A3FA0(gBGTilemapBuffers[1], 8, 9, 4, 4, 0xC3E1);
+    DoYesNoFuncWithChoice(taskId, gUnknown_083CC708);
+}
+
+void sub_80B3D7C(u8 taskId)
+{
+    sub_80B39D0(gMartInfo.cursor, gMartInfo.cursor, 0);
+    MenuZeroFillWindowRect(0x7, 0x8, 0xD, 0xD);
+    sub_80A3FA0(gBGTilemapBuffers[1], 0x8, 0x9, 0x4, 0x4, 0);
+    sub_80B4378(taskId);
+}
+
+void sub_80B3DC8(u8 taskId)
+{
+    if(sub_80A52C4(taskId, gMartInfo.unkD) == TRUE)
+        sub_80B37F8(taskId);
+
+    if(gMain.newKeys & A_BUTTON)
+    {
+        gMartTotalCost = (ItemId_GetPrice(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]) >> GetPriceReduction(1)) * gTasks[taskId].data[1]; // set total cost of your purchase.
+        MenuZeroFillWindowRect(0, 0xA, 0xD, 0xD);
+        sub_80A3FA0(gBGTilemapBuffers[1], 0x1, 0xB, 0xC, 0x2, 0);
+        sub_80B379C();
+        sub_80B3420();
+        CopyItemName(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor], gStringVar1);
+        ConvertIntToDecimalStringN(gStringVar2, gTasks[taskId].data[1], 0, 0x2);
+        ConvertIntToDecimalStringN(gStringVar3, gMartTotalCost, 0, 0x8);
+        StringExpandPlaceholders(gStringVar4, gOtherText_ThatWillBe);
+        DisplayItemMessageOnField(taskId, gStringVar4, sub_80B3D38, 0xC3E1);
+    }
+    else if(gMain.newKeys & B_BUTTON)
+    {
+        sub_80B39D0(gMartInfo.cursor, gMartInfo.cursor, 0);
+        sub_80B4378(taskId);
+    }
+}
+
+void sub_80B3EFC(u8 taskId)
+{
+    u16 var;
+
+    gTasks[taskId].data[1] = 1;
+    MenuDrawTextWindow(0, 0xA, 0xD, 0xD);
+    sub_80B37F8(taskId);
+
+    var = gSaveBlock1.money / (ItemId_GetPrice(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]) >> GetPriceReduction(1));
+    if(var > 99)
+        gMartInfo.unkD = 99;
+    else
+        gMartInfo.unkD = var;
+
+    gTasks[taskId].func = sub_80B3DC8;
+}
-- 
cgit v1.2.3


From 7a26678cc022f466cbee26ae8a9e7011f01b7fb3 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Fri, 25 Aug 2017 15:10:50 -0400
Subject: decompile up to sub_80B40E8

---
 src/shop.c | 300 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 299 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 0ce14c004..110b5cdea 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -27,6 +27,7 @@
 #include "decoration_inventory.h"
 
 extern void sub_80B4378(u8);
+extern void sub_80B43F0(u8);
 extern void sub_80B4470(u8);
 extern bool8 sub_80A52C4(u8, u8);
 
@@ -42,7 +43,7 @@ struct MartInfo
     /* 0x0 */ void (* callback) (void);
     /* 0x4 */ u16 *itemList;
     /* 0x8 */ u8 itemCount;
-    /* 0x9 */ u8 cursor;
+    /* 0x9 */ u8 cursor; // this shows the on-screen true index of the cursor and not the current item selected.
     /* 0xA */ u8 numChoices;
     /* 0xB */ u8 choicesAbove;
     /* 0xC */ u8 martType;
@@ -760,3 +761,300 @@ void sub_80B3EFC(u8 taskId)
 
     gTasks[taskId].func = sub_80B3DC8;
 }
+
+// the next two functions are strange gMenuWindow functions that manually acccess gMenuWindow.tilemap and do weird pointer arithmetic. i'd rather not deal with these right now.
+__attribute__((naked))
+void sub_80B3F88(void)
+{
+    asm(".syntax unified\n\
+    push {r4-r7,lr}\n\
+    mov r7, r10\n\
+    mov r6, r9\n\
+    mov r5, r8\n\
+    push {r5-r7}\n\
+    sub sp, 0x4\n\
+    ldr r0, _080B4020 @ =gMenuWindow\n\
+    mov r8, r0\n\
+    ldr r1, [r0, 0x28]\n\
+    ldr r3, _080B4024 @ =0x000003de\n\
+    adds r1, r3\n\
+    adds r2, r1, 0\n\
+    adds r2, 0x80\n\
+    ldr r7, [r0, 0x24]\n\
+    mov r10, r7\n\
+    ldr r0, _080B4028 @ =0x000003ff\n\
+    mov r9, r0\n\
+    movs r6, 0xD\n\
+_080B3FAC:\n\
+    adds r3, r2, 0\n\
+    subs r3, 0x40\n\
+    str r3, [sp]\n\
+    movs r7, 0x40\n\
+    negs r7, r7\n\
+    adds r7, r1\n\
+    mov r12, r7\n\
+    adds r3, r2, 0\n\
+    adds r4, r1, 0\n\
+    movs r5, 0xE\n\
+_080B3FC0:\n\
+    ldrh r2, [r4]\n\
+    mov r1, r9\n\
+    ands r1, r2\n\
+    mov r7, r8\n\
+    ldrh r0, [r7, 0x1A]\n\
+    adds r0, 0x1\n\
+    cmp r1, r0\n\
+    ble _080B3FD4\n\
+    adds r0, r2, 0\n\
+    adds r0, 0x3C\n\
+_080B3FD4:\n\
+    strh r0, [r3]\n\
+    adds r3, 0x2\n\
+    adds r4, 0x2\n\
+    subs r5, 0x1\n\
+    cmp r5, 0\n\
+    bge _080B3FC0\n\
+    ldr r2, [sp]\n\
+    mov r1, r12\n\
+    subs r6, 0x1\n\
+    cmp r6, 0\n\
+    bge _080B3FAC\n\
+    ldr r1, _080B402C @ =0x00003a20\n\
+    add r1, r10\n\
+    movs r0, 0xF0\n\
+    lsls r0, 3\n\
+    adds r2, r1, r0\n\
+    ldr r3, _080B4030 @ =0x040000d4\n\
+    ldr r5, _080B4034 @ =0x800000f0\n\
+    ldr r4, _080B4038 @ =0xfffffc40\n\
+    movs r6, 0xD\n\
+_080B3FFC:\n\
+    str r1, [r3]\n\
+    str r2, [r3, 0x4]\n\
+    str r5, [r3, 0x8]\n\
+    ldr r0, [r3, 0x8]\n\
+    adds r2, r4\n\
+    adds r1, r4\n\
+    subs r6, 0x1\n\
+    cmp r6, 0\n\
+    bge _080B3FFC\n\
+    add sp, 0x4\n\
+    pop {r3-r5}\n\
+    mov r8, r3\n\
+    mov r9, r4\n\
+    mov r10, r5\n\
+    pop {r4-r7}\n\
+    pop {r0}\n\
+    bx r0\n\
+    .align 2, 0\n\
+_080B4020: .4byte gMenuWindow\n\
+_080B4024: .4byte 0x000003de\n\
+_080B4028: .4byte 0x000003ff\n\
+_080B402C: .4byte 0x00003a20\n\
+_080B4030: .4byte 0x040000d4\n\
+_080B4034: .4byte 0x800000f0\n\
+_080B4038: .4byte 0xfffffc40\n\
+    .syntax divided");
+}
+
+__attribute__((naked))
+void sub_80B403C(void)
+{
+    asm(".syntax unified\n\
+    push {r4-r7,lr}\n\
+    mov r7, r10\n\
+    mov r6, r9\n\
+    mov r5, r8\n\
+    push {r5-r7}\n\
+    sub sp, 0x4\n\
+    ldr r0, _080B40D8 @ =gMenuWindow\n\
+    mov r8, r0\n\
+    ldr r2, [r0, 0x28]\n\
+    adds r1, r2, 0\n\
+    adds r1, 0x9E\n\
+    adds r2, r1, 0\n\
+    adds r1, 0x80\n\
+    ldr r3, [r0, 0x24]\n\
+    mov r10, r3\n\
+    ldr r7, _080B40DC @ =0x000003ff\n\
+    mov r9, r7\n\
+    movs r6, 0xD\n\
+_080B4060:\n\
+    adds r0, r2, 0\n\
+    adds r0, 0x40\n\
+    str r0, [sp]\n\
+    movs r3, 0x40\n\
+    adds r3, r1\n\
+    mov r12, r3\n\
+    adds r3, r2, 0\n\
+    adds r4, r1, 0\n\
+    movs r5, 0xE\n\
+_080B4072:\n\
+    ldrh r2, [r4]\n\
+    mov r1, r9\n\
+    ands r1, r2\n\
+    mov r7, r8\n\
+    ldrh r0, [r7, 0x1A]\n\
+    adds r0, 0x1\n\
+    cmp r1, r0\n\
+    ble _080B4086\n\
+    adds r0, r2, 0\n\
+    subs r0, 0x3C\n\
+_080B4086:\n\
+    strh r0, [r3]\n\
+    adds r3, 0x2\n\
+    adds r4, 0x2\n\
+    subs r5, 0x1\n\
+    cmp r5, 0\n\
+    bge _080B4072\n\
+    ldr r2, [sp]\n\
+    mov r1, r12\n\
+    subs r6, 0x1\n\
+    cmp r6, 0\n\
+    bge _080B4060\n\
+    movs r1, 0x96\n\
+    lsls r1, 4\n\
+    add r1, r10\n\
+    adds r2, r1, 0\n\
+    movs r0, 0xF0\n\
+    lsls r0, 3\n\
+    adds r1, r0\n\
+    ldr r3, _080B40E0 @ =0x040000d4\n\
+    ldr r5, _080B40E4 @ =0x800000f0\n\
+    movs r4, 0xF0\n\
+    lsls r4, 2\n\
+    movs r6, 0xD\n\
+_080B40B4:\n\
+    str r1, [r3]\n\
+    str r2, [r3, 0x4]\n\
+    str r5, [r3, 0x8]\n\
+    ldr r0, [r3, 0x8]\n\
+    adds r2, r4\n\
+    adds r1, r4\n\
+    subs r6, 0x1\n\
+    cmp r6, 0\n\
+    bge _080B40B4\n\
+    add sp, 0x4\n\
+    pop {r3-r5}\n\
+    mov r8, r3\n\
+    mov r9, r4\n\
+    mov r10, r5\n\
+    pop {r4-r7}\n\
+    pop {r0}\n\
+    bx r0\n\
+    .align 2, 0\n\
+_080B40D8: .4byte gMenuWindow\n\
+_080B40DC: .4byte 0x000003ff\n\
+_080B40E0: .4byte 0x040000d4\n\
+_080B40E4: .4byte 0x800000f0\n\
+    .syntax divided");
+}
+
+void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
+{
+    if(!gPaletteFade.active)
+    {
+        if((gMain.newAndRepeatedKeys & DPAD_ANY) == DPAD_UP) // only up can be pressed
+        {
+            if(gMartInfo.cursor == 0)
+            {
+                if(gMartInfo.choicesAbove == 0) // if there are no choices above, dont bother
+                    return;
+
+                PlaySE(SE_SELECT);
+                gMartInfo.choicesAbove--; // since cursor is at the top and there are choices above the top, scroll the menu up by updating choicesAbove.
+                sub_80B3F88();
+                sub_80B39D0(0, 0, 0);
+                sub_80B3A70();
+                sub_80B32A4();
+            }
+            else // if the cursor is not 0, choicesAbove cannot be updated yet since the cursor is at the top of the menu, so update cursor.
+            {
+                PlaySE(SE_SELECT);
+                gMartInfo.cursor = MoveMenuCursor(-1); // move cursor up
+                sub_80B3A70();
+            }
+        }
+        else if((gMain.newAndRepeatedKeys & DPAD_ANY) == DPAD_DOWN) // only down can be pressed
+        {
+            if(gMartInfo.cursor == 7) // are you at the bottom of the menu?
+            {
+                if(gMartInfo.choicesAbove + gMartInfo.cursor == gMartInfo.itemCount) // are you at cancel?
+                    return;
+
+                PlaySE(SE_SELECT);
+                gMartInfo.choicesAbove++;
+                sub_80B403C();
+                sub_80B39D0(7, 7, 0);
+                sub_80B3A70();
+                sub_80B32A4();
+            }
+            else if(gMartInfo.cursor != gMartInfo.itemCount)
+            {
+                PlaySE(SE_SELECT);
+                gMartInfo.cursor = MoveMenuCursor(1);
+                sub_80B3A70();
+            }
+        }
+        else if(gMain.newKeys & A_BUTTON)
+        {
+            PlaySE(SE_SELECT);
+
+            if(gMartInfo.choicesAbove + gMartInfo.cursor != gMartInfo.itemCount) // did you not hit CANCEL?
+            {
+                PauseVerticalScrollIndicator(0);
+                PauseVerticalScrollIndicator(1);
+                sub_80F979C(1, 1);
+                sub_80B39D0(gMartInfo.cursor, gMartInfo.cursor, 1);
+                HandleDestroyMenuCursors();
+                MenuZeroFillWindowRect(0, 0xC, 0xD, 0x13);
+
+                if(gMartInfo.martType == MART_TYPE_0)
+                {
+                    gMartTotalCost = (ItemId_GetPrice(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]) >> GetPriceReduction(1)); // set 1x price
+                    if(!IsEnoughMoney(gSaveBlock1.money, gMartTotalCost))
+                    {
+                        DisplayItemMessageOnField(taskId, gOtherText_NotEnoughMoney, sub_80B3BD0, 0xC3E1); // tail merge
+                    }
+                    else // _080B42BA
+                    {
+                        CopyItemName(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor], gStringVar1);
+                        StringExpandPlaceholders(gStringVar4, gOtherText_HowManyYouWant);
+                        DisplayItemMessageOnField(taskId, gStringVar4, sub_80B3EFC, 0xC3E1);                    
+                    }
+                }
+                else // _080B428C
+                {
+                    gMartTotalCost = gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].price;
+
+                    if(!IsEnoughMoney(gSaveBlock1.money, gMartTotalCost))
+                    {
+                        DisplayItemMessageOnField(taskId, gOtherText_NotEnoughMoney, sub_80B3BD0, 0xC3E1); // tail merge
+                    }
+                    else
+                    {    
+                        StringCopy(gStringVar1, gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].name);
+                        ConvertIntToDecimalStringN(gStringVar2, gMartTotalCost, 0, 0x8);
+
+                        if(gMartInfo.martType == MART_TYPE_1)
+                        {
+                            StringExpandPlaceholders(gStringVar4, gOtherText_ThatWillBe2);
+                        }
+                        else
+                        {
+                            StringExpandPlaceholders(gStringVar4, gOtherText_ThatWillBe3);
+                        }
+                        DisplayItemMessageOnField(taskId, gStringVar4, sub_80B3D38, 0xC3E1);
+                    }
+                }
+            }
+            else
+                sub_80B43F0(taskId);
+        }
+        else if(gMain.newKeys & B_BUTTON) // go back to buy/sell/exit menu
+        {
+            PlaySE(SE_SELECT);
+            sub_80B43F0(taskId);
+        }
+    }
+}
-- 
cgit v1.2.3


From 1ab4ed75e7daae4b17cfca2970e935f653236014 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Fri, 25 Aug 2017 19:09:46 -0400
Subject: decompile up to nonmatching sub_80B4470

---
 src/shop.c | 174 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 171 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 110b5cdea..b053e3f2e 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -26,9 +26,6 @@
 #include "rom4.h"
 #include "decoration_inventory.h"
 
-extern void sub_80B4378(u8);
-extern void sub_80B43F0(u8);
-extern void sub_80B4470(u8);
 extern bool8 sub_80A52C4(u8, u8);
 
 enum
@@ -53,6 +50,7 @@ struct MartInfo
 extern struct MartInfo gMartInfo;
 extern struct MenuAction gUnknown_083CC6D0[];
 extern struct YesNoFuncTable gUnknown_083CC708[];
+extern struct ItemSlot gUnknown_02038724[3];
 
 extern u32 gMartTotalCost; // the total cost of a purchase before checking out.
 
@@ -74,6 +72,8 @@ enum
     ANIM_NUM
 };
 
+extern u8 gUnknown_02038730;
+
 extern s16 gUnknown_020386A4[][4]; // game freak barely uses 2d arrays wtf?
 
 extern u16 gBuyMenuFrame_Tilemap[];
@@ -82,6 +82,10 @@ extern u16 gUnknown_083CC710[2];
 
 void sub_80B39D0(int var1, int var2, bool32 hasControlCode);
 void sub_80B3A70(void);
+void sub_80B4378(u8);
+void sub_80B43F0(u8);
+void Task_ExitBuyMenu(u8);
+void sub_80B4470(u8);
 
 u8 CreateShopMenu(u8 martType)
 {
@@ -1058,3 +1062,167 @@ void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
         }
     }
 }
+
+void sub_80B4378(u8 taskId)
+{
+    MenuZeroFillWindowRect(0, 0xE, 0x1D, 0x13);
+    MenuZeroFillWindowRect(0, 0xA, 0xD, 0xD);
+    sub_80A3FA0(gBGTilemapBuffers[1], 0x1, 0xB, 0xC, 0x2, 0);
+    sub_80B3420();
+    sub_80B3764(6, 7);
+    sub_80B37EC();
+    StartVerticalScrollIndicators(0);
+    StartVerticalScrollIndicators(1);
+    sub_80B32A4();
+    gTasks[taskId].func = sub_80B40E8;
+}
+
+void sub_80B43F0(u8 taskId)
+{
+    gFieldCallback = sub_80B3050;
+    BeginNormalPaletteFade(-1, 0, 0, 0x10, 0);
+    gTasks[taskId].func = Task_ExitBuyMenu;
+}
+
+void Task_ExitBuyMenu(u8 taskId)
+{
+    if(!gPaletteFade.active)
+    {
+        RemoveMoneyLabelObject(0, 0);
+        BuyMenuFreeMemory();
+        SetMainCallback2(c2_exit_to_overworld_2_switch);
+        DestroyTask(taskId);
+    }
+}
+
+// in the for loop, the loop prologue is not correct and loads choicesabove + cursor immediately instead of setting up the gUnknown_02038724 struct.
+#ifdef NONMATCHING
+void sub_80B4470(u8 taskId)
+{
+    u16 i;
+
+    for(i = 0; i < 3; i++)
+    {
+        if(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor] != gUnknown_02038724[i].itemId || gUnknown_02038724[i].quantity == 0)
+            continue;
+
+        if(gTasks[taskId].data[1] + gUnknown_02038724[i].quantity > 255)
+            gUnknown_02038724[i].quantity = 255;
+        else
+            gUnknown_02038724[i].quantity += gTasks[taskId].data[1];
+        return;
+    }
+
+    if(gUnknown_02038730 < 3)
+    {
+        gUnknown_02038724[gUnknown_02038730].itemId = gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor];
+        gUnknown_02038724[gUnknown_02038730].quantity = gTasks[taskId].data[1];
+        gUnknown_02038730++;
+    }
+}
+#else
+__attribute__((naked))
+void sub_80B4470(u8 taskId)
+{
+    asm(".syntax unified\n\
+    push {r4-r7,lr}\n\
+    mov r7, r9\n\
+    mov r6, r8\n\
+    push {r6,r7}\n\
+    lsls r0, 24\n\
+    lsrs r5, r0, 24\n\
+    movs r2, 0\n\
+    ldr r0, _080B44C8 @ =gUnknown_02038724\n\
+    mov r12, r0\n\
+    ldr r6, _080B44CC @ =gMartInfo\n\
+    mov r8, r12\n\
+    adds r4, r6, 0\n\
+    ldr r1, _080B44D0 @ =gTasks\n\
+    mov r9, r1\n\
+    lsls r0, r5, 2\n\
+    adds r0, r5\n\
+    lsls r7, r0, 3\n\
+_080B4492:\n\
+    lsls r0, r2, 2\n\
+    mov r1, r8\n\
+    adds r3, r0, r1\n\
+    ldrb r0, [r4, 0xB]\n\
+    ldrb r1, [r4, 0x9]\n\
+    adds r0, r1\n\
+    ldr r1, [r4, 0x4]\n\
+    lsls r0, 1\n\
+    adds r0, r1\n\
+    ldrh r1, [r3]\n\
+    ldrh r0, [r0]\n\
+    cmp r1, r0\n\
+    bne _080B44DC\n\
+    ldrh r0, [r3, 0x2]\n\
+    cmp r0, 0\n\
+    beq _080B44DC\n\
+    adds r2, r0, 0\n\
+    mov r4, r9\n\
+    adds r1, r7, r4\n\
+    movs r4, 0xA\n\
+    ldrsh r0, [r1, r4]\n\
+    adds r0, r2, r0\n\
+    cmp r0, 0xFF\n\
+    ble _080B44D4\n\
+    movs r0, 0xFF\n\
+    strh r0, [r3, 0x2]\n\
+    b _080B451E\n\
+    .align 2, 0\n\
+_080B44C8: .4byte gUnknown_02038724\n\
+_080B44CC: .4byte gMartInfo\n\
+_080B44D0: .4byte gTasks\n\
+_080B44D4:\n\
+    ldrh r0, [r1, 0xA]\n\
+    adds r0, r2, r0\n\
+    strh r0, [r3, 0x2]\n\
+    b _080B451E\n\
+_080B44DC:\n\
+    adds r0, r2, 0x1\n\
+    lsls r0, 16\n\
+    lsrs r2, r0, 16\n\
+    cmp r2, 0x2\n\
+    bls _080B4492\n\
+    ldr r3, _080B452C @ =gUnknown_02038730\n\
+    ldrb r0, [r3]\n\
+    cmp r0, 0x2\n\
+    bhi _080B451E\n\
+    adds r2, r0, 0\n\
+    lsls r2, 2\n\
+    add r2, r12\n\
+    ldrb r0, [r6, 0xB]\n\
+    ldrb r1, [r6, 0x9]\n\
+    adds r0, r1\n\
+    ldr r1, [r6, 0x4]\n\
+    lsls r0, 1\n\
+    adds r0, r1\n\
+    ldrh r0, [r0]\n\
+    strh r0, [r2]\n\
+    ldrb r1, [r3]\n\
+    lsls r1, 2\n\
+    add r1, r12\n\
+    ldr r2, _080B4530 @ =gTasks\n\
+    lsls r0, r5, 2\n\
+    adds r0, r5\n\
+    lsls r0, 3\n\
+    adds r0, r2\n\
+    ldrh r0, [r0, 0xA]\n\
+    strh r0, [r1, 0x2]\n\
+    ldrb r0, [r3]\n\
+    adds r0, 0x1\n\
+    strb r0, [r3]\n\
+_080B451E:\n\
+    pop {r3,r4}\n\
+    mov r8, r3\n\
+    mov r9, r4\n\
+    pop {r4-r7}\n\
+    pop {r0}\n\
+    bx r0\n\
+    .align 2, 0\n\
+_080B452C: .4byte gUnknown_02038730\n\
+_080B4530: .4byte gTasks\n\
+    .syntax divided");
+}
+#endif
-- 
cgit v1.2.3


From efd3e208f10ed2db25871bab49b9462ab7efb903 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Fri, 25 Aug 2017 20:30:35 -0400
Subject: finish decompiling shop.c except for a few indented functions

---
 src/shop.c | 295 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 295 insertions(+)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index b053e3f2e..737d0e2bd 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -25,6 +25,7 @@
 #include "songs.h"
 #include "rom4.h"
 #include "decoration_inventory.h"
+#include "field_camera.h"
 
 extern bool8 sub_80A52C4(u8, u8);
 
@@ -73,6 +74,7 @@ enum
 };
 
 extern u8 gUnknown_02038730;
+extern u8 gUnknown_02038731;
 
 extern s16 gUnknown_020386A4[][4]; // game freak barely uses 2d arrays wtf?
 
@@ -1226,3 +1228,296 @@ _080B4530: .4byte gTasks\n\
     .syntax divided");
 }
 #endif
+
+void ClearItemPurchases(void)
+{
+    gUnknown_02038730 = 0;
+    ClearItemSlots(gUnknown_02038724, 3);
+}
+
+void CreatePokemartMenu(u16 *itemList)
+{
+    CreateShopMenu(MART_TYPE_0);
+    SetShopItemsForSale(itemList);
+    ClearItemPurchases();
+    SetShopMenuCallback(EnableBothScriptContexts);
+}
+
+void CreateDecorationShop1Menu(u16 *itemList)
+{
+    CreateShopMenu(MART_TYPE_1);
+    SetShopItemsForSale(itemList);
+    SetShopMenuCallback(EnableBothScriptContexts);
+}
+
+void CreateDecorationShop2Menu(u16 *itemList)
+{
+    CreateShopMenu(MART_TYPE_2);
+    SetShopItemsForSale(itemList);
+    SetShopMenuCallback(EnableBothScriptContexts);
+}
+
+// no.
+__attribute__((naked))
+void sub_80B45B4(u8 taskId, u16 *list, int var3)
+{
+    asm(".syntax unified\n\
+    push {r4-r7,lr}\n\
+    mov r7, r10\n\
+    mov r6, r9\n\
+    mov r5, r8\n\
+    push {r5-r7}\n\
+    sub sp, 0x10\n\
+    mov r9, r1\n\
+    lsls r0, 24\n\
+    lsrs r0, 24\n\
+    lsls r2, 16\n\
+    lsrs r2, 16\n\
+    mov r10, r2\n\
+    ldr r2, _080B4648 @ =gTasks\n\
+    lsls r1, r0, 2\n\
+    adds r1, r0\n\
+    lsls r1, 3\n\
+    adds r1, r2\n\
+    ldrh r0, [r1, 0x10]\n\
+    subs r0, 0x1\n\
+    lsls r0, 16\n\
+    lsrs r5, r0, 16\n\
+    ldrh r0, [r1, 0x12]\n\
+    subs r0, 0x1\n\
+    lsls r0, 16\n\
+    lsrs r3, r0, 16\n\
+    ldrh r4, [r1, 0xA]\n\
+    movs r2, 0xC\n\
+    ldrsh r0, [r1, r2]\n\
+    cmp r0, 0\n\
+    bne _080B4678\n\
+    movs r2, 0\n\
+    lsls r5, 16\n\
+    str r5, [sp, 0xC]\n\
+    lsls r0, r3, 16\n\
+    lsls r1, r4, 16\n\
+    asrs r0, 16\n\
+    str r0, [sp]\n\
+    asrs r1, 16\n\
+    str r1, [sp, 0x4]\n\
+    lsls r0, r1, 1\n\
+    mov r1, r9\n\
+    adds r7, r0, r1\n\
+_080B4608:\n\
+    movs r4, 0\n\
+    lsls r2, 16\n\
+    mov r8, r2\n\
+    asrs r0, r2, 16\n\
+    ldr r2, [sp]\n\
+    adds r6, r2, r0\n\
+_080B4614:\n\
+    ldr r0, [sp, 0xC]\n\
+    asrs r1, r0, 16\n\
+    lsls r4, 16\n\
+    asrs r0, r4, 16\n\
+    adds r5, r1, r0\n\
+    adds r0, r5, 0\n\
+    adds r1, r6, 0\n\
+    bl MapGridGetMetatileIdAt\n\
+    movs r2, 0\n\
+    ldrsh r1, [r7, r2]\n\
+    lsls r0, 16\n\
+    asrs r0, 16\n\
+    cmp r1, r0\n\
+    bne _080B465C\n\
+    ldr r0, [sp, 0x4]\n\
+    cmp r0, 0x2\n\
+    beq _080B464C\n\
+    ldrh r0, [r7, 0x2]\n\
+    mov r2, r10\n\
+    orrs r2, r0\n\
+    adds r0, r5, 0\n\
+    adds r1, r6, 0\n\
+    bl MapGridSetMetatileIdAt\n\
+    b _080B465C\n\
+    .align 2, 0\n\
+_080B4648: .4byte gTasks\n\
+_080B464C:\n\
+    mov r1, r9\n\
+    ldrh r0, [r1]\n\
+    mov r2, r10\n\
+    orrs r2, r0\n\
+    adds r0, r5, 0\n\
+    adds r1, r6, 0\n\
+    bl MapGridSetMetatileIdAt\n\
+_080B465C:\n\
+    movs r2, 0x80\n\
+    lsls r2, 9\n\
+    adds r0, r4, r2\n\
+    lsrs r4, r0, 16\n\
+    asrs r0, 16\n\
+    cmp r0, 0x2\n\
+    ble _080B4614\n\
+    adds r0, r2, 0\n\
+    add r0, r8\n\
+    lsrs r2, r0, 16\n\
+    asrs r0, 16\n\
+    cmp r0, 0x2\n\
+    ble _080B4608\n\
+    b _080B4700\n\
+_080B4678:\n\
+    movs r2, 0\n\
+    lsls r5, 16\n\
+    str r5, [sp, 0xC]\n\
+    lsls r0, r3, 16\n\
+    lsls r1, r4, 16\n\
+    asrs r0, 16\n\
+    str r0, [sp, 0x8]\n\
+    asrs r7, r1, 16\n\
+_080B4688:\n\
+    movs r4, 0\n\
+    lsls r2, 16\n\
+    mov r8, r2\n\
+    asrs r0, r2, 16\n\
+    ldr r1, [sp, 0x8]\n\
+    adds r6, r1, r0\n\
+_080B4694:\n\
+    ldr r2, [sp, 0xC]\n\
+    asrs r1, r2, 16\n\
+    lsls r4, 16\n\
+    asrs r0, r4, 16\n\
+    adds r5, r1, r0\n\
+    adds r0, r5, 0\n\
+    adds r1, r6, 0\n\
+    bl MapGridGetMetatileIdAt\n\
+    movs r1, 0x2\n\
+    subs r1, r7\n\
+    lsls r1, 1\n\
+    add r1, r9\n\
+    movs r2, 0\n\
+    ldrsh r1, [r1, r2]\n\
+    lsls r0, 16\n\
+    asrs r0, 16\n\
+    cmp r1, r0\n\
+    bne _080B46E6\n\
+    cmp r7, 0x2\n\
+    beq _080B46D6\n\
+    movs r0, 0x1\n\
+    subs r0, r7\n\
+    lsls r0, 1\n\
+    add r0, r9\n\
+    ldrh r0, [r0]\n\
+    mov r2, r10\n\
+    orrs r2, r0\n\
+    adds r0, r5, 0\n\
+    adds r1, r6, 0\n\
+    bl MapGridSetMetatileIdAt\n\
+    b _080B46E6\n\
+_080B46D6:\n\
+    mov r1, r9\n\
+    ldrh r0, [r1, 0x4]\n\
+    mov r2, r10\n\
+    orrs r2, r0\n\
+    adds r0, r5, 0\n\
+    adds r1, r6, 0\n\
+    bl MapGridSetMetatileIdAt\n\
+_080B46E6:\n\
+    movs r2, 0x80\n\
+    lsls r2, 9\n\
+    adds r0, r4, r2\n\
+    lsrs r4, r0, 16\n\
+    asrs r0, 16\n\
+    cmp r0, 0x2\n\
+    ble _080B4694\n\
+    adds r0, r2, 0\n\
+    add r0, r8\n\
+    lsrs r2, r0, 16\n\
+    asrs r0, 16\n\
+    cmp r0, 0x2\n\
+    ble _080B4688\n\
+_080B4700:\n\
+    add sp, 0x10\n\
+    pop {r3-r5}\n\
+    mov r8, r3\n\
+    mov r9, r4\n\
+    mov r10, r5\n\
+    pop {r4-r7}\n\
+    pop {r0}\n\
+    bx r0\n\
+    .syntax divided");
+}
+
+extern u16 gUnknown_083CC714[];
+extern u16 gUnknown_083CC71A[];
+extern u16 gUnknown_083CC720[];
+extern u16 gUnknown_083CC726[];
+extern u16 gUnknown_083CC72C[];
+extern u16 gUnknown_083CC732[];
+extern u16 gUnknown_083CC738[];
+
+void sub_80B4710(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+
+    data[3] = 1;
+
+    switch(data[0])
+    {
+        case 0:
+            sub_80B45B4(taskId, gUnknown_083CC714, 0);
+            break;
+        case 1:
+            sub_80B45B4(taskId, gUnknown_083CC71A, 0);
+            break;
+        case 2:
+            sub_80B45B4(taskId, gUnknown_083CC720, 0xC00);
+            break;
+        case 3:
+            sub_80B45B4(taskId, gUnknown_083CC726, 0);
+            break;
+        case 4:
+            sub_80B45B4(taskId, gUnknown_083CC72C, 0xC00);
+            break;
+        case 5:
+            sub_80B45B4(taskId, gUnknown_083CC732, 0);
+            break;
+        case 6:
+            sub_80B45B4(taskId, gUnknown_083CC738, 0);
+            break;
+    }
+
+    data[0] = (data[0] + 1) & 7;
+    if(!data[0])
+    {
+        DrawWholeMapView();
+        data[1] = (data[1] + 1) % 3;
+        data[3] = 0;
+    }
+}
+
+u8 sub_80B47D8(u16 var)
+{
+    u8 taskId = CreateTask(sub_80B4710, 0);
+    s16 *data = gTasks[taskId].data;
+
+    PlayerGetDestCoords(&data[4], &data[5]);
+    data[0] = 0;
+    data[1] = 0;
+    data[2] = var;
+    sub_80B4710(taskId);
+    return taskId;
+}
+
+void sub_80B4824(u8 var)
+{
+    gUnknown_02038731 = sub_80B47D8(var);
+}
+
+void sub_80B483C(void)
+{
+    DestroyTask(gUnknown_02038731);
+}
+
+bool8 sub_80B4850(void)
+{
+    if(gTasks[gUnknown_02038731].data[3] == 0 && gTasks[gUnknown_02038731].data[1] == 2)
+        return FALSE;
+    else
+        return TRUE;
+}
-- 
cgit v1.2.3


From e9037c7861b70d39686608b3eace9e9443c18c44 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Fri, 25 Aug 2017 23:38:46 -0400
Subject: move data to C

---
 src/shop.c | 85 ++++++++++++++++++++++++++++----------------------------------
 1 file changed, 38 insertions(+), 47 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 737d0e2bd..ca7609e72 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -27,52 +27,20 @@
 #include "decoration_inventory.h"
 #include "field_camera.h"
 
-extern bool8 sub_80A52C4(u8, u8);
-
-enum
-{
-    MART_TYPE_0, // normal mart
-    MART_TYPE_1,
-    MART_TYPE_2,
-};
+#define ewram18000 ((u16 *)(ewram + 0x18000))
+#define ewram18300 ((u16 *)(ewram + 0x18300))
 
-struct MartInfo
-{
-    /* 0x0 */ void (* callback) (void);
-    /* 0x4 */ u16 *itemList;
-    /* 0x8 */ u8 itemCount;
-    /* 0x9 */ u8 cursor; // this shows the on-screen true index of the cursor and not the current item selected.
-    /* 0xA */ u8 numChoices;
-    /* 0xB */ u8 choicesAbove;
-    /* 0xC */ u8 martType;
-    /* 0xD */ u8 unkD;
-};
+extern bool8 sub_80A52C4(u8, u8);
 
 extern struct MartInfo gMartInfo;
-extern struct MenuAction gUnknown_083CC6D0[];
-extern struct YesNoFuncTable gUnknown_083CC708[];
 extern struct ItemSlot gUnknown_02038724[3];
 
 extern u32 gMartTotalCost; // the total cost of a purchase before checking out.
 
 extern u8 ewram[];
 
-extern u8 gUnknown_083CC6E8[];
-extern u8 gUnknown_083CC6EB[];
 extern u8 gBuyMenuFrame_Gfx[];
 
-#define ewram18000 ((u16 *)(ewram + 0x18000))
-#define ewram18300 ((u16 *)(ewram + 0x18300))
-
-// shop view window NPC info enum
-enum
-{
-    MAP_OBJ_ID,
-    X_COORD,
-    Y_COORD,
-    ANIM_NUM
-};
-
 extern u8 gUnknown_02038730;
 extern u8 gUnknown_02038731;
 
@@ -80,7 +48,6 @@ extern s16 gUnknown_020386A4[][4]; // game freak barely uses 2d arrays wtf?
 
 extern u16 gBuyMenuFrame_Tilemap[];
 extern u16 gMenuMoneyPal[16];
-extern u16 gUnknown_083CC710[2];
 
 void sub_80B39D0(int var1, int var2, bool32 hasControlCode);
 void sub_80B3A70(void);
@@ -88,6 +55,38 @@ void sub_80B4378(u8);
 void sub_80B43F0(u8);
 void Task_ExitBuyMenu(u8);
 void sub_80B4470(u8);
+void sub_80B2EFC(u8 taskId);
+void sub_80B2F30(u8 taskId);
+void HandleShopMenuQuit(u8 taskId);
+void sub_80B3BF4(u8 taskId);
+void sub_80B3D7C(u8 taskId);
+
+static const struct MenuAction2 gUnknown_083CC6D0[] =
+{
+    { MartText_Buy, sub_80B2EFC },
+    { MartText_Sell, sub_80B2F30 },
+    { MartText_Quit2, HandleShopMenuQuit },
+};
+
+static const u8 gUnknown_083CC6E8[] = {0, 1, 2}; // BUY SELL EXIT
+static const u8 gUnknown_083CC6EB[] = {0, 2}; // BUY EXIT
+
+static const u16 gUnusedMartArray[] = {0x2, 0x3, 0x4, 0xD, 0x121, 0xE, 0xE, 0xE, 0xE, 0xE, 0xE, 0x0, 0x0};
+
+static const struct YesNoFuncTable gUnknown_083CC708[] =
+{
+    sub_80B3BF4,
+    sub_80B3D7C
+};
+
+static const u16 gUnknown_083CC710[] = {0x41EE, 0x7FFF};
+static const u16 gUnknown_083CC714[] = {0x284, 0x282, 0x280};
+static const u16 gUnknown_083CC71A[] = {0x285, 0x283, 0x281};
+static const u16 gUnknown_083CC720[] = {0x28C, 0x28A, 0x288};
+static const u16 gUnknown_083CC726[] = {0x28D, 0x28B, 0x289};
+static const u16 gUnknown_083CC72C[] = {0x2A0, 0x2A2, 0x2A4};
+static const u16 gUnknown_083CC732[] = {0x2A1, 0x2A3, 0x2A5};
+static const u16 gUnknown_083CC738[] = {0x2A8, 0x2AA, 0x2AC};
 
 u8 CreateShopMenu(u8 martType)
 {
@@ -99,13 +98,13 @@ u8 CreateShopMenu(u8 martType)
     {
         gMartInfo.numChoices = 2;
         MenuDrawTextWindow(0, 0, 10, 7);
-        PrintMenuItemsReordered(1, 1, 3, gUnknown_083CC6D0, (u8 *)gUnknown_083CC6E8);
+        PrintMenuItemsReordered(1, 1, 3, (struct MenuAction *)gUnknown_083CC6D0, (u8 *)gUnknown_083CC6E8);
     }
     else
     {
         gMartInfo.numChoices = 1;
         MenuDrawTextWindow(0, 0, 10, 5);
-        PrintMenuItemsReordered(1, 1, 2, gUnknown_083CC6D0, (u8 *)gUnknown_083CC6EB);
+        PrintMenuItemsReordered(1, 1, 2, (struct MenuAction *)gUnknown_083CC6D0, (u8 *)gUnknown_083CC6EB);
     }
     InitMenu(0, 1, 1, gMartInfo.numChoices + 1, 0, 9); // add 1 for cancel
 
@@ -1259,7 +1258,7 @@ void CreateDecorationShop2Menu(u16 *itemList)
 
 // no.
 __attribute__((naked))
-void sub_80B45B4(u8 taskId, u16 *list, int var3)
+void sub_80B45B4(u8 taskId, const u16 *list, int var3)
 {
     asm(".syntax unified\n\
     push {r4-r7,lr}\n\
@@ -1443,14 +1442,6 @@ _080B4700:\n\
     .syntax divided");
 }
 
-extern u16 gUnknown_083CC714[];
-extern u16 gUnknown_083CC71A[];
-extern u16 gUnknown_083CC720[];
-extern u16 gUnknown_083CC726[];
-extern u16 gUnknown_083CC72C[];
-extern u16 gUnknown_083CC732[];
-extern u16 gUnknown_083CC738[];
-
 void sub_80B4710(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
-- 
cgit v1.2.3


From 5c7f78d8bc897f5bf4d9d18352bc81626ee09437 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Sat, 26 Aug 2017 00:03:29 -0400
Subject: iwram and ewram data

---
 src/shop.c | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index ca7609e72..060e84693 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -32,20 +32,8 @@
 
 extern bool8 sub_80A52C4(u8, u8);
 
-extern struct MartInfo gMartInfo;
-extern struct ItemSlot gUnknown_02038724[3];
-
-extern u32 gMartTotalCost; // the total cost of a purchase before checking out.
-
 extern u8 ewram[];
-
 extern u8 gBuyMenuFrame_Gfx[];
-
-extern u8 gUnknown_02038730;
-extern u8 gUnknown_02038731;
-
-extern s16 gUnknown_020386A4[][4]; // game freak barely uses 2d arrays wtf?
-
 extern u16 gBuyMenuFrame_Tilemap[];
 extern u16 gMenuMoneyPal[16];
 
@@ -61,6 +49,17 @@ void HandleShopMenuQuit(u8 taskId);
 void sub_80B3BF4(u8 taskId);
 void sub_80B3D7C(u8 taskId);
 
+// iwram
+static struct MartInfo gMartInfo;
+
+// ewram
+EWRAM_DATA u32 gMartTotalCost = 0;
+EWRAM_DATA s16 gUnknown_020386A4[16][4] = {0}; // game freak barely uses 2d arrays wtf?
+EWRAM_DATA struct ItemSlot gUnknown_02038724[3] = {0}; // tv.c uses this, so it cant be static
+EWRAM_DATA u8 gUnknown_02038730 = 0;
+EWRAM_DATA u8 gUnknown_02038731 = 0;
+
+// rodata
 static const struct MenuAction2 gUnknown_083CC6D0[] =
 {
     { MartText_Buy, sub_80B2EFC },
-- 
cgit v1.2.3


From 027dc5448e9a5cc90ca6fa4e37d9b73ec342cfe5 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Sat, 26 Aug 2017 00:25:28 -0400
Subject: formatting

---
 src/shop.c | 68 +++++++++++++++++++++++++++++++-------------------------------
 1 file changed, 34 insertions(+), 34 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 060e84693..e523f927c 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -643,12 +643,12 @@ void sub_80B3A70(void)
 
 void sub_80B3AEC(u8 taskId)
 {
-    if(gMain.newKeys & A_BUTTON || gMain.newKeys & B_BUTTON)
+    if (gMain.newKeys & A_BUTTON || gMain.newKeys & B_BUTTON)
     {
         sub_80B39D0(gMartInfo.cursor, gMartInfo.cursor, 0); // huh???
         PlaySE(SE_SELECT);
 
-        if(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor] == ITEM_POKE_BALL && gTasks[taskId].data[1] >= 10 && AddBagItem(ITEM_PREMIER_BALL, 1) == TRUE)
+        if (gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor] == ITEM_POKE_BALL && gTasks[taskId].data[1] >= 10 && AddBagItem(ITEM_PREMIER_BALL, 1) == TRUE)
             DisplayItemMessageOnField(taskId, gOtherText_FreePremierBall, sub_80B4378, 0xC3E1);
         else
             sub_80B4378(taskId);
@@ -677,11 +677,11 @@ void sub_80B3BF4(u8 taskId)
     sub_80B379C();
     sub_80B3420();
 
-    if(IsEnoughMoney(gSaveBlock1.money, gMartTotalCost))
+    if (IsEnoughMoney(gSaveBlock1.money, gMartTotalCost))
     {
-        if(gMartInfo.martType == MART_TYPE_0)
+        if (gMartInfo.martType == MART_TYPE_0)
         {
-            if(AddBagItem(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor], gTasks[taskId].data[1]))
+            if (AddBagItem(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor], gTasks[taskId].data[1]))
             {
                 DisplayItemMessageOnField(taskId, gOtherText_HereYouGo, sub_80B3B80, 0xC3E1);
                 sub_80B4470(taskId);
@@ -691,9 +691,9 @@ void sub_80B3BF4(u8 taskId)
         }
         else // a normal mart is only type 0, so types 1 and 2 are decoration marts.
         {
-            if(IsThereStorageSpaceForDecoration(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]))
+            if (IsThereStorageSpaceForDecoration(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]))
             {
-                if(gMartInfo.martType == MART_TYPE_1)
+                if (gMartInfo.martType == MART_TYPE_1)
                     DisplayItemMessageOnField(taskId, gOtherText_HereYouGo2, sub_80B3B80, 0xC3E1);
                 else
                     DisplayItemMessageOnField(taskId, gOtherText_HereYouGo3, sub_80B3B80, 0xC3E1);
@@ -726,10 +726,10 @@ void sub_80B3D7C(u8 taskId)
 
 void sub_80B3DC8(u8 taskId)
 {
-    if(sub_80A52C4(taskId, gMartInfo.unkD) == TRUE)
+    if (sub_80A52C4(taskId, gMartInfo.unkD) == TRUE)
         sub_80B37F8(taskId);
 
-    if(gMain.newKeys & A_BUTTON)
+    if (gMain.newKeys & A_BUTTON)
     {
         gMartTotalCost = (ItemId_GetPrice(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]) >> GetPriceReduction(1)) * gTasks[taskId].data[1]; // set total cost of your purchase.
         MenuZeroFillWindowRect(0, 0xA, 0xD, 0xD);
@@ -742,7 +742,7 @@ void sub_80B3DC8(u8 taskId)
         StringExpandPlaceholders(gStringVar4, gOtherText_ThatWillBe);
         DisplayItemMessageOnField(taskId, gStringVar4, sub_80B3D38, 0xC3E1);
     }
-    else if(gMain.newKeys & B_BUTTON)
+    else if (gMain.newKeys & B_BUTTON)
     {
         sub_80B39D0(gMartInfo.cursor, gMartInfo.cursor, 0);
         sub_80B4378(taskId);
@@ -758,7 +758,7 @@ void sub_80B3EFC(u8 taskId)
     sub_80B37F8(taskId);
 
     var = gSaveBlock1.money / (ItemId_GetPrice(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]) >> GetPriceReduction(1));
-    if(var > 99)
+    if (var > 99)
         gMartInfo.unkD = 99;
     else
         gMartInfo.unkD = var;
@@ -956,13 +956,13 @@ _080B40E4: .4byte 0x800000f0\n\
 
 void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
 {
-    if(!gPaletteFade.active)
+    if (!gPaletteFade.active)
     {
-        if((gMain.newAndRepeatedKeys & DPAD_ANY) == DPAD_UP) // only up can be pressed
+        if ((gMain.newAndRepeatedKeys & DPAD_ANY) == DPAD_UP) // only up can be pressed
         {
-            if(gMartInfo.cursor == 0)
+            if (gMartInfo.cursor == 0)
             {
-                if(gMartInfo.choicesAbove == 0) // if there are no choices above, dont bother
+                if (gMartInfo.choicesAbove == 0) // if there are no choices above, dont bother
                     return;
 
                 PlaySE(SE_SELECT);
@@ -979,11 +979,11 @@ void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
                 sub_80B3A70();
             }
         }
-        else if((gMain.newAndRepeatedKeys & DPAD_ANY) == DPAD_DOWN) // only down can be pressed
+        else if ((gMain.newAndRepeatedKeys & DPAD_ANY) == DPAD_DOWN) // only down can be pressed
         {
-            if(gMartInfo.cursor == 7) // are you at the bottom of the menu?
+            if (gMartInfo.cursor == 7) // are you at the bottom of the menu?
             {
-                if(gMartInfo.choicesAbove + gMartInfo.cursor == gMartInfo.itemCount) // are you at cancel?
+                if (gMartInfo.choicesAbove + gMartInfo.cursor == gMartInfo.itemCount) // are you at cancel?
                     return;
 
                 PlaySE(SE_SELECT);
@@ -993,18 +993,18 @@ void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
                 sub_80B3A70();
                 sub_80B32A4();
             }
-            else if(gMartInfo.cursor != gMartInfo.itemCount)
+            else if (gMartInfo.cursor != gMartInfo.itemCount)
             {
                 PlaySE(SE_SELECT);
                 gMartInfo.cursor = MoveMenuCursor(1);
                 sub_80B3A70();
             }
         }
-        else if(gMain.newKeys & A_BUTTON)
+        else if (gMain.newKeys & A_BUTTON)
         {
             PlaySE(SE_SELECT);
 
-            if(gMartInfo.choicesAbove + gMartInfo.cursor != gMartInfo.itemCount) // did you not hit CANCEL?
+            if (gMartInfo.choicesAbove + gMartInfo.cursor != gMartInfo.itemCount) // did you not hit CANCEL?
             {
                 PauseVerticalScrollIndicator(0);
                 PauseVerticalScrollIndicator(1);
@@ -1013,10 +1013,10 @@ void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
                 HandleDestroyMenuCursors();
                 MenuZeroFillWindowRect(0, 0xC, 0xD, 0x13);
 
-                if(gMartInfo.martType == MART_TYPE_0)
+                if (gMartInfo.martType == MART_TYPE_0)
                 {
                     gMartTotalCost = (ItemId_GetPrice(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]) >> GetPriceReduction(1)); // set 1x price
-                    if(!IsEnoughMoney(gSaveBlock1.money, gMartTotalCost))
+                    if (!IsEnoughMoney(gSaveBlock1.money, gMartTotalCost))
                     {
                         DisplayItemMessageOnField(taskId, gOtherText_NotEnoughMoney, sub_80B3BD0, 0xC3E1); // tail merge
                     }
@@ -1031,7 +1031,7 @@ void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
                 {
                     gMartTotalCost = gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].price;
 
-                    if(!IsEnoughMoney(gSaveBlock1.money, gMartTotalCost))
+                    if (!IsEnoughMoney(gSaveBlock1.money, gMartTotalCost))
                     {
                         DisplayItemMessageOnField(taskId, gOtherText_NotEnoughMoney, sub_80B3BD0, 0xC3E1); // tail merge
                     }
@@ -1040,7 +1040,7 @@ void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
                         StringCopy(gStringVar1, gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].name);
                         ConvertIntToDecimalStringN(gStringVar2, gMartTotalCost, 0, 0x8);
 
-                        if(gMartInfo.martType == MART_TYPE_1)
+                        if (gMartInfo.martType == MART_TYPE_1)
                         {
                             StringExpandPlaceholders(gStringVar4, gOtherText_ThatWillBe2);
                         }
@@ -1055,7 +1055,7 @@ void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
             else
                 sub_80B43F0(taskId);
         }
-        else if(gMain.newKeys & B_BUTTON) // go back to buy/sell/exit menu
+        else if (gMain.newKeys & B_BUTTON) // go back to buy/sell/exit menu
         {
             PlaySE(SE_SELECT);
             sub_80B43F0(taskId);
@@ -1086,7 +1086,7 @@ void sub_80B43F0(u8 taskId)
 
 void Task_ExitBuyMenu(u8 taskId)
 {
-    if(!gPaletteFade.active)
+    if (!gPaletteFade.active)
     {
         RemoveMoneyLabelObject(0, 0);
         BuyMenuFreeMemory();
@@ -1101,19 +1101,19 @@ void sub_80B4470(u8 taskId)
 {
     u16 i;
 
-    for(i = 0; i < 3; i++)
+    for (i = 0; i < 3; i++)
     {
-        if(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor] != gUnknown_02038724[i].itemId || gUnknown_02038724[i].quantity == 0)
+        if (gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor] != gUnknown_02038724[i].itemId || gUnknown_02038724[i].quantity == 0)
             continue;
 
-        if(gTasks[taskId].data[1] + gUnknown_02038724[i].quantity > 255)
+        if (gTasks[taskId].data[1] + gUnknown_02038724[i].quantity > 255)
             gUnknown_02038724[i].quantity = 255;
         else
             gUnknown_02038724[i].quantity += gTasks[taskId].data[1];
         return;
     }
 
-    if(gUnknown_02038730 < 3)
+    if (gUnknown_02038730 < 3)
     {
         gUnknown_02038724[gUnknown_02038730].itemId = gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor];
         gUnknown_02038724[gUnknown_02038730].quantity = gTasks[taskId].data[1];
@@ -1447,7 +1447,7 @@ void sub_80B4710(u8 taskId)
 
     data[3] = 1;
 
-    switch(data[0])
+    switch (data[0])
     {
         case 0:
             sub_80B45B4(taskId, gUnknown_083CC714, 0);
@@ -1473,7 +1473,7 @@ void sub_80B4710(u8 taskId)
     }
 
     data[0] = (data[0] + 1) & 7;
-    if(!data[0])
+    if (!data[0])
     {
         DrawWholeMapView();
         data[1] = (data[1] + 1) % 3;
@@ -1506,7 +1506,7 @@ void sub_80B483C(void)
 
 bool8 sub_80B4850(void)
 {
-    if(gTasks[gUnknown_02038731].data[3] == 0 && gTasks[gUnknown_02038731].data[1] == 2)
+    if (gTasks[gUnknown_02038731].data[3] == 0 && gTasks[gUnknown_02038731].data[1] == 2)
         return FALSE;
     else
         return TRUE;
-- 
cgit v1.2.3


From 0c3a2fb275129567b23ef0ed520c04aece90079f Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Sat, 26 Aug 2017 14:10:07 -0400
Subject: matching sub_80B4470 and nonmatching sub_80B3F88 and sub_80B403C

---
 src/shop.c | 446 ++++++++++++++++++++-----------------------------------------
 1 file changed, 143 insertions(+), 303 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index e523f927c..30f23e10f 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -726,7 +726,7 @@ void sub_80B3D7C(u8 taskId)
 
 void sub_80B3DC8(u8 taskId)
 {
-    if (sub_80A52C4(taskId, gMartInfo.unkD) == TRUE)
+    if (sub_80A52C4(taskId, gMartInfo.curItemCount) == TRUE)
         sub_80B37F8(taskId);
 
     if (gMain.newKeys & A_BUTTON)
@@ -759,14 +759,55 @@ void sub_80B3EFC(u8 taskId)
 
     var = gSaveBlock1.money / (ItemId_GetPrice(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]) >> GetPriceReduction(1));
     if (var > 99)
-        gMartInfo.unkD = 99;
+        gMartInfo.curItemCount = 99;
     else
-        gMartInfo.unkD = var;
+        gMartInfo.curItemCount = var;
 
     gTasks[taskId].func = sub_80B3DC8;
 }
 
-// the next two functions are strange gMenuWindow functions that manually acccess gMenuWindow.tilemap and do weird pointer arithmetic. i'd rather not deal with these right now.
+#ifdef NONMATCHING
+void sub_80B3F88(void)
+{
+    u16 *r1;
+    u16 *r2;
+    register u8 *r10 asm("r10");
+    s32 i;
+    s32 j;
+    struct Window *r8 = &gMenuWindow;
+    
+    r1 = r8->tilemap;
+    r1 += 0x1EF;
+    r2 = r1;
+    r2 += 64;
+    r10 = r8->tileData;
+    
+    for (i = 0; i < 14; i++)
+    {
+        for (j = 0; j < 15; j++)
+        {
+            if ((r1[j] & 0x3FF) <= r8->tileDataStartOffset + 1)
+                r2[j] = r8->tileDataStartOffset + 1;
+            else
+                r2[j] = r1[j] + 0x3C;
+        }
+        
+        r1 -= 32;
+        r2 -= 32;
+    }
+    
+    {
+        u8 *r1 = r10 + 0x3A20;
+        u8 *r2 = r1 + 0x780;
+        for (i = 0; i < 14; i++)
+        {
+            DmaCopy16(3, r1, r2, 0x1E0);
+            r2 -= 0x3C0;
+            r1 -= 0x3C0;
+        }
+    }
+}
+#else
 __attribute__((naked))
 void sub_80B3F88(void)
 {
@@ -860,7 +901,52 @@ _080B4034: .4byte 0x800000f0\n\
 _080B4038: .4byte 0xfffffc40\n\
     .syntax divided");
 }
+#endif
 
+#ifdef NONMATCHING
+void sub_80B403C(void)
+{
+    u16 *r1;
+    u16 *r2;
+    u8 *r10;
+    s32 i;
+    s32 j;
+    struct Window *r8 = &gMenuWindow;
+    
+    r1 = r8->tilemap;
+    r1 += 0x4F;
+    r2 = r1;
+    r2 += 64;
+    r10 = r8->tileData;
+    
+    for (i = 0; i < 14; i++)
+    {
+        for (j = 0; j < 15; j++)
+        {
+            if ((r1[j] & 0x3FF) <= r8->tileDataStartOffset + 1)
+                r2[j] = r8->tileDataStartOffset + 1;
+            else
+                r2[j] = r1[j] + 0x3C;
+        }
+        
+        r1 += 32;
+        r2 += 32;
+    }
+
+    {
+        register u8 *r1 asm("r1") = r10 + 0x960;
+        register u8 *r2 asm("r2") = r1;
+       
+        r1 += 0x780;
+        for (i = 0; i < 14; i++)
+        {
+            DmaCopy16(3, r1, r2, 0x1E0);
+            r1 += 0x3C0;
+            r2 += 0x3C0;
+        }
+    }
+}
+#else
 __attribute__((naked))
 void sub_80B403C(void)
 {
@@ -953,6 +1039,7 @@ _080B40E0: .4byte 0x040000d4\n\
 _080B40E4: .4byte 0x800000f0\n\
     .syntax divided");
 }
+#endif
 
 void sub_80B40E8(u8 taskId) // Mart_DoCursorAction
 {
@@ -1095,22 +1182,21 @@ void Task_ExitBuyMenu(u8 taskId)
     }
 }
 
-// in the for loop, the loop prologue is not correct and loads choicesabove + cursor immediately instead of setting up the gUnknown_02038724 struct.
-#ifdef NONMATCHING
 void sub_80B4470(u8 taskId)
 {
     u16 i;
 
     for (i = 0; i < 3; i++)
     {
-        if (gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor] != gUnknown_02038724[i].itemId || gUnknown_02038724[i].quantity == 0)
-            continue;
-
-        if (gTasks[taskId].data[1] + gUnknown_02038724[i].quantity > 255)
-            gUnknown_02038724[i].quantity = 255;
-        else
-            gUnknown_02038724[i].quantity += gTasks[taskId].data[1];
-        return;
+        if (gUnknown_02038724[i].itemId == gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]
+         && gUnknown_02038724[i].quantity != 0)
+        {
+            if (gUnknown_02038724[i].quantity + gTasks[taskId].data[1] > 255)
+                gUnknown_02038724[i].quantity = 255;
+            else
+                gUnknown_02038724[i].quantity += gTasks[taskId].data[1];
+            return;
+        }
     }
 
     if (gUnknown_02038730 < 3)
@@ -1120,112 +1206,6 @@ void sub_80B4470(u8 taskId)
         gUnknown_02038730++;
     }
 }
-#else
-__attribute__((naked))
-void sub_80B4470(u8 taskId)
-{
-    asm(".syntax unified\n\
-    push {r4-r7,lr}\n\
-    mov r7, r9\n\
-    mov r6, r8\n\
-    push {r6,r7}\n\
-    lsls r0, 24\n\
-    lsrs r5, r0, 24\n\
-    movs r2, 0\n\
-    ldr r0, _080B44C8 @ =gUnknown_02038724\n\
-    mov r12, r0\n\
-    ldr r6, _080B44CC @ =gMartInfo\n\
-    mov r8, r12\n\
-    adds r4, r6, 0\n\
-    ldr r1, _080B44D0 @ =gTasks\n\
-    mov r9, r1\n\
-    lsls r0, r5, 2\n\
-    adds r0, r5\n\
-    lsls r7, r0, 3\n\
-_080B4492:\n\
-    lsls r0, r2, 2\n\
-    mov r1, r8\n\
-    adds r3, r0, r1\n\
-    ldrb r0, [r4, 0xB]\n\
-    ldrb r1, [r4, 0x9]\n\
-    adds r0, r1\n\
-    ldr r1, [r4, 0x4]\n\
-    lsls r0, 1\n\
-    adds r0, r1\n\
-    ldrh r1, [r3]\n\
-    ldrh r0, [r0]\n\
-    cmp r1, r0\n\
-    bne _080B44DC\n\
-    ldrh r0, [r3, 0x2]\n\
-    cmp r0, 0\n\
-    beq _080B44DC\n\
-    adds r2, r0, 0\n\
-    mov r4, r9\n\
-    adds r1, r7, r4\n\
-    movs r4, 0xA\n\
-    ldrsh r0, [r1, r4]\n\
-    adds r0, r2, r0\n\
-    cmp r0, 0xFF\n\
-    ble _080B44D4\n\
-    movs r0, 0xFF\n\
-    strh r0, [r3, 0x2]\n\
-    b _080B451E\n\
-    .align 2, 0\n\
-_080B44C8: .4byte gUnknown_02038724\n\
-_080B44CC: .4byte gMartInfo\n\
-_080B44D0: .4byte gTasks\n\
-_080B44D4:\n\
-    ldrh r0, [r1, 0xA]\n\
-    adds r0, r2, r0\n\
-    strh r0, [r3, 0x2]\n\
-    b _080B451E\n\
-_080B44DC:\n\
-    adds r0, r2, 0x1\n\
-    lsls r0, 16\n\
-    lsrs r2, r0, 16\n\
-    cmp r2, 0x2\n\
-    bls _080B4492\n\
-    ldr r3, _080B452C @ =gUnknown_02038730\n\
-    ldrb r0, [r3]\n\
-    cmp r0, 0x2\n\
-    bhi _080B451E\n\
-    adds r2, r0, 0\n\
-    lsls r2, 2\n\
-    add r2, r12\n\
-    ldrb r0, [r6, 0xB]\n\
-    ldrb r1, [r6, 0x9]\n\
-    adds r0, r1\n\
-    ldr r1, [r6, 0x4]\n\
-    lsls r0, 1\n\
-    adds r0, r1\n\
-    ldrh r0, [r0]\n\
-    strh r0, [r2]\n\
-    ldrb r1, [r3]\n\
-    lsls r1, 2\n\
-    add r1, r12\n\
-    ldr r2, _080B4530 @ =gTasks\n\
-    lsls r0, r5, 2\n\
-    adds r0, r5\n\
-    lsls r0, 3\n\
-    adds r0, r2\n\
-    ldrh r0, [r0, 0xA]\n\
-    strh r0, [r1, 0x2]\n\
-    ldrb r0, [r3]\n\
-    adds r0, 0x1\n\
-    strb r0, [r3]\n\
-_080B451E:\n\
-    pop {r3,r4}\n\
-    mov r8, r3\n\
-    mov r9, r4\n\
-    pop {r4-r7}\n\
-    pop {r0}\n\
-    bx r0\n\
-    .align 2, 0\n\
-_080B452C: .4byte gUnknown_02038730\n\
-_080B4530: .4byte gTasks\n\
-    .syntax divided");
-}
-#endif
 
 void ClearItemPurchases(void)
 {
@@ -1255,190 +1235,50 @@ void CreateDecorationShop2Menu(u16 *itemList)
     SetShopMenuCallback(EnableBothScriptContexts);
 }
 
-// no.
-__attribute__((naked))
-void sub_80B45B4(u8 taskId, const u16 *list, int var3)
+void sub_80B45B4(u8 taskId, const s16 *list, u16 c)
 {
-    asm(".syntax unified\n\
-    push {r4-r7,lr}\n\
-    mov r7, r10\n\
-    mov r6, r9\n\
-    mov r5, r8\n\
-    push {r5-r7}\n\
-    sub sp, 0x10\n\
-    mov r9, r1\n\
-    lsls r0, 24\n\
-    lsrs r0, 24\n\
-    lsls r2, 16\n\
-    lsrs r2, 16\n\
-    mov r10, r2\n\
-    ldr r2, _080B4648 @ =gTasks\n\
-    lsls r1, r0, 2\n\
-    adds r1, r0\n\
-    lsls r1, 3\n\
-    adds r1, r2\n\
-    ldrh r0, [r1, 0x10]\n\
-    subs r0, 0x1\n\
-    lsls r0, 16\n\
-    lsrs r5, r0, 16\n\
-    ldrh r0, [r1, 0x12]\n\
-    subs r0, 0x1\n\
-    lsls r0, 16\n\
-    lsrs r3, r0, 16\n\
-    ldrh r4, [r1, 0xA]\n\
-    movs r2, 0xC\n\
-    ldrsh r0, [r1, r2]\n\
-    cmp r0, 0\n\
-    bne _080B4678\n\
-    movs r2, 0\n\
-    lsls r5, 16\n\
-    str r5, [sp, 0xC]\n\
-    lsls r0, r3, 16\n\
-    lsls r1, r4, 16\n\
-    asrs r0, 16\n\
-    str r0, [sp]\n\
-    asrs r1, 16\n\
-    str r1, [sp, 0x4]\n\
-    lsls r0, r1, 1\n\
-    mov r1, r9\n\
-    adds r7, r0, r1\n\
-_080B4608:\n\
-    movs r4, 0\n\
-    lsls r2, 16\n\
-    mov r8, r2\n\
-    asrs r0, r2, 16\n\
-    ldr r2, [sp]\n\
-    adds r6, r2, r0\n\
-_080B4614:\n\
-    ldr r0, [sp, 0xC]\n\
-    asrs r1, r0, 16\n\
-    lsls r4, 16\n\
-    asrs r0, r4, 16\n\
-    adds r5, r1, r0\n\
-    adds r0, r5, 0\n\
-    adds r1, r6, 0\n\
-    bl MapGridGetMetatileIdAt\n\
-    movs r2, 0\n\
-    ldrsh r1, [r7, r2]\n\
-    lsls r0, 16\n\
-    asrs r0, 16\n\
-    cmp r1, r0\n\
-    bne _080B465C\n\
-    ldr r0, [sp, 0x4]\n\
-    cmp r0, 0x2\n\
-    beq _080B464C\n\
-    ldrh r0, [r7, 0x2]\n\
-    mov r2, r10\n\
-    orrs r2, r0\n\
-    adds r0, r5, 0\n\
-    adds r1, r6, 0\n\
-    bl MapGridSetMetatileIdAt\n\
-    b _080B465C\n\
-    .align 2, 0\n\
-_080B4648: .4byte gTasks\n\
-_080B464C:\n\
-    mov r1, r9\n\
-    ldrh r0, [r1]\n\
-    mov r2, r10\n\
-    orrs r2, r0\n\
-    adds r0, r5, 0\n\
-    adds r1, r6, 0\n\
-    bl MapGridSetMetatileIdAt\n\
-_080B465C:\n\
-    movs r2, 0x80\n\
-    lsls r2, 9\n\
-    adds r0, r4, r2\n\
-    lsrs r4, r0, 16\n\
-    asrs r0, 16\n\
-    cmp r0, 0x2\n\
-    ble _080B4614\n\
-    adds r0, r2, 0\n\
-    add r0, r8\n\
-    lsrs r2, r0, 16\n\
-    asrs r0, 16\n\
-    cmp r0, 0x2\n\
-    ble _080B4608\n\
-    b _080B4700\n\
-_080B4678:\n\
-    movs r2, 0\n\
-    lsls r5, 16\n\
-    str r5, [sp, 0xC]\n\
-    lsls r0, r3, 16\n\
-    lsls r1, r4, 16\n\
-    asrs r0, 16\n\
-    str r0, [sp, 0x8]\n\
-    asrs r7, r1, 16\n\
-_080B4688:\n\
-    movs r4, 0\n\
-    lsls r2, 16\n\
-    mov r8, r2\n\
-    asrs r0, r2, 16\n\
-    ldr r1, [sp, 0x8]\n\
-    adds r6, r1, r0\n\
-_080B4694:\n\
-    ldr r2, [sp, 0xC]\n\
-    asrs r1, r2, 16\n\
-    lsls r4, 16\n\
-    asrs r0, r4, 16\n\
-    adds r5, r1, r0\n\
-    adds r0, r5, 0\n\
-    adds r1, r6, 0\n\
-    bl MapGridGetMetatileIdAt\n\
-    movs r1, 0x2\n\
-    subs r1, r7\n\
-    lsls r1, 1\n\
-    add r1, r9\n\
-    movs r2, 0\n\
-    ldrsh r1, [r1, r2]\n\
-    lsls r0, 16\n\
-    asrs r0, 16\n\
-    cmp r1, r0\n\
-    bne _080B46E6\n\
-    cmp r7, 0x2\n\
-    beq _080B46D6\n\
-    movs r0, 0x1\n\
-    subs r0, r7\n\
-    lsls r0, 1\n\
-    add r0, r9\n\
-    ldrh r0, [r0]\n\
-    mov r2, r10\n\
-    orrs r2, r0\n\
-    adds r0, r5, 0\n\
-    adds r1, r6, 0\n\
-    bl MapGridSetMetatileIdAt\n\
-    b _080B46E6\n\
-_080B46D6:\n\
-    mov r1, r9\n\
-    ldrh r0, [r1, 0x4]\n\
-    mov r2, r10\n\
-    orrs r2, r0\n\
-    adds r0, r5, 0\n\
-    adds r1, r6, 0\n\
-    bl MapGridSetMetatileIdAt\n\
-_080B46E6:\n\
-    movs r2, 0x80\n\
-    lsls r2, 9\n\
-    adds r0, r4, r2\n\
-    lsrs r4, r0, 16\n\
-    asrs r0, 16\n\
-    cmp r0, 0x2\n\
-    ble _080B4694\n\
-    adds r0, r2, 0\n\
-    add r0, r8\n\
-    lsrs r2, r0, 16\n\
-    asrs r0, 16\n\
-    cmp r0, 0x2\n\
-    ble _080B4688\n\
-_080B4700:\n\
-    add sp, 0x10\n\
-    pop {r3-r5}\n\
-    mov r8, r3\n\
-    mov r9, r4\n\
-    mov r10, r5\n\
-    pop {r4-r7}\n\
-    pop {r0}\n\
-    bx r0\n\
-    .syntax divided");
+    s16 r5 = gTasks[taskId].data[4] - 1;
+    s16 r3 = gTasks[taskId].data[5] - 1;
+    s16 r4 = gTasks[taskId].data[1];
+    s16 y;
+    s16 x;
+    
+    if (gTasks[taskId].data[2] == 0)
+    {
+        for (y = 0; y < 3; y++)
+        {
+            for (x = 0; x < 3; x++)
+            {
+                s16 metatileId = MapGridGetMetatileIdAt(r5 + x, r3 + y);
+                
+                if (list[r4] == metatileId)
+                {
+                    if (r4 != 2)
+                        MapGridSetMetatileIdAt(r5 + x, r3 + y, c | list[r4 + 1]);
+                    else
+                        MapGridSetMetatileIdAt(r5 + x, r3 + y, c | list[0]);
+                }
+            }
+        }
+    }
+    else
+    {
+        for (y = 0; y < 3; y++)
+        {
+            for (x = 0; x < 3; x++)
+            {
+                s16 metatileId = MapGridGetMetatileIdAt(r5 + x, r3 + y);
+                
+                if (list[2 - r4] == metatileId)
+                {
+                    if (r4 != 2)
+                        MapGridSetMetatileIdAt(r5 + x, r3 + y, c | list[1 - r4]);
+                    else
+                        MapGridSetMetatileIdAt(r5 + x, r3 + y, c | list[2]);
+                }
+            }
+        }
+    }
 }
 
 void sub_80B4710(u8 taskId)
-- 
cgit v1.2.3


From 989215ace2d94d9b11462c8db9e4acebc76ca5b1 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Sat, 26 Aug 2017 14:20:10 -0400
Subject: get rid of memcpy

---
 src/shop.c | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 30f23e10f..8bca7adc9 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -78,15 +78,6 @@ static const struct YesNoFuncTable gUnknown_083CC708[] =
     sub_80B3D7C
 };
 
-static const u16 gUnknown_083CC710[] = {0x41EE, 0x7FFF};
-static const u16 gUnknown_083CC714[] = {0x284, 0x282, 0x280};
-static const u16 gUnknown_083CC71A[] = {0x285, 0x283, 0x281};
-static const u16 gUnknown_083CC720[] = {0x28C, 0x28A, 0x288};
-static const u16 gUnknown_083CC726[] = {0x28D, 0x28B, 0x289};
-static const u16 gUnknown_083CC72C[] = {0x2A0, 0x2A2, 0x2A4};
-static const u16 gUnknown_083CC732[] = {0x2A1, 0x2A3, 0x2A5};
-static const u16 gUnknown_083CC738[] = {0x2A8, 0x2AA, 0x2AC};
-
 u8 CreateShopMenu(u8 martType)
 {
     ScriptContext2_Enable();
@@ -319,9 +310,8 @@ void BuyMenuDrawGraphics(void)
 
 void sub_80B3240(void)
 {
-    u16 tempArr[2];
+    u16 tempArr[2] = {0x41EE, 0x7FFF};
 
-    memcpy(tempArr, gUnknown_083CC710, sizeof(tempArr));
     LoadPalette(&tempArr[1], 0xD1, 2);
     LoadPalette(&tempArr[0], 0xD8, 2);
 }
@@ -629,15 +619,15 @@ void sub_80B3A70(void)
         if (gMartInfo.martType == MART_TYPE_0)
         {
             sub_8072AB0(ItemId_GetDescription(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]),
-                0x4, 0x68, 0x68, 0x30, MART_TYPE_0);
+                0x4, 0x68, 0x68, 0x30, 0);
         }
         else
             sub_8072AB0(gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].description,
-                0x4, 0x68, 0x68, 0x30, MART_TYPE_0); // huh?? if mart type isnt 0, why assume it?
+                0x4, 0x68, 0x68, 0x30, 0);
     }
     else
     {
-        sub_8072AB0(gOtherText_QuitShopping, 0x4, 0x68, 0x68, 0x30, MART_TYPE_0);
+        sub_8072AB0(gOtherText_QuitShopping, 0x4, 0x68, 0x68, 0x30, 0);
     }
 }
 
@@ -1281,6 +1271,14 @@ void sub_80B45B4(u8 taskId, const s16 *list, u16 c)
     }
 }
 
+static const u16 gUnknown_083CC714[] = {0x284, 0x282, 0x280};
+static const u16 gUnknown_083CC71A[] = {0x285, 0x283, 0x281};
+static const u16 gUnknown_083CC720[] = {0x28C, 0x28A, 0x288};
+static const u16 gUnknown_083CC726[] = {0x28D, 0x28B, 0x289};
+static const u16 gUnknown_083CC72C[] = {0x2A0, 0x2A2, 0x2A4};
+static const u16 gUnknown_083CC732[] = {0x2A1, 0x2A3, 0x2A5};
+static const u16 gUnknown_083CC738[] = {0x2A8, 0x2AA, 0x2AC};
+
 void sub_80B4710(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
-- 
cgit v1.2.3


From a2087a9caf534be0889cf54a8202f3a88ccc09ea Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Sat, 26 Aug 2017 14:23:43 -0400
Subject: use PlaySE constants

---
 src/shop.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index 8bca7adc9..fa9d8c30d 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -128,7 +128,7 @@ void sub_80B2E38(u8 var)
     {
         if (gMartInfo.cursor) // can move cursor up?
         {
-            PlaySE(0x5);
+            PlaySE(SE_SELECT);
             gMartInfo.cursor = MoveMenuCursor(-1);
         }
     }
@@ -136,13 +136,13 @@ void sub_80B2E38(u8 var)
     {
         if (gMartInfo.cursor != gMartInfo.numChoices) // can move cursor down?
         {
-            PlaySE(0x5);
+            PlaySE(SE_SELECT);
             gMartInfo.cursor = MoveMenuCursor(1);
         }
     }
     else if (gMain.newKeys & A_BUTTON)
     {
-        PlaySE(0x5);
+        PlaySE(SE_SELECT);
         if (gMartInfo.martType == MART_TYPE_0)
         {
             gUnknown_083CC6D0[gUnknown_083CC6E8[gMartInfo.cursor]].func(local);
@@ -154,7 +154,7 @@ void sub_80B2E38(u8 var)
     }
     else if (gMain.newKeys & B_BUTTON)
     {
-        PlaySE(0x5);
+        PlaySE(SE_SELECT);
         HandleShopMenuQuit(local);
     }
 }
@@ -649,7 +649,7 @@ void sub_80B3B80(u8 taskId)
 {
     IncrementGameStat(0x26);
     sub_80B79E0(&gSaveBlock1.money, gMartTotalCost);
-    PlaySE(0x5F);
+    PlaySE(SE_REGI);
     sub_80B7BEC(gSaveBlock1.money, 0, 0);
     gTasks[taskId].func = sub_80B3AEC;
 }
-- 
cgit v1.2.3


From 6f360947a67c4fb8c0b32b07dc74bb28ff0f08a0 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Sat, 26 Aug 2017 14:27:10 -0400
Subject: correct itemId access

---
 src/shop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/shop.c b/src/shop.c
index fa9d8c30d..6a88f1394 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -527,7 +527,7 @@ void sub_80B37EC(void)
 void sub_80B37F8(u8 taskId)
 {
     u16 itemListIndex = gMartInfo.choicesAbove + gMartInfo.cursor;
-    u16 itemId = *(gMartInfo.itemList + itemListIndex);
+    u16 itemId = gMartInfo.itemList[itemListIndex];
     u32 price = (ItemId_GetPrice(itemId) >> GetPriceReduction(1));
 
     sub_80B7A94(gTasks[taskId].data[1] * price, 6, 6, 11);
-- 
cgit v1.2.3