walda phrase is done

4 files changed, 83 insertions, 182 deletions

diff --git a/asm/walda_phrase.s b/asm/walda_phrase.s
deleted file mode 100755
index f6f55a668..000000000
--- a/asm/walda_phrase.s
+++ /dev/null
@@ -1,168 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-
-	thumb_func_start sub_81D9CDC
-sub_81D9CDC: @ 81D9CDC
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	adds r5, r1, 0
-	lsls r2, 24
-	lsrs r3, r2, 24
-	lsls r0, r3, 4
-	orrs r3, r0
-	lsls r0, r3, 24
-	lsrs r3, r0, 24
-	movs r4, 0
-	cmp r4, r5
-	bcs _081D9D04
-_081D9CF4:
-	adds r2, r6, r4
-	ldrb r1, [r2]
-	adds r0, r3, 0
-	eors r0, r1
-	strb r0, [r2]
-	adds r4, 0x1
-	cmp r4, r5
-	bcc _081D9CF4
-_081D9D04:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_81D9CDC
-
-	thumb_func_start sub_81D9D0C
-sub_81D9D0C: @ 81D9D0C
-	push {lr}
-	lsrs r3, r1, 3
-	movs r2, 0x7
-	ands r2, r1
-	movs r1, 0x80
-	asrs r1, r2
-	adds r0, r3
-	ldrb r0, [r0]
-	ands r0, r1
-	cmp r0, 0
-	beq _081D9D24
-	movs r0, 0x1
-_081D9D24:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81D9D0C
-
-	thumb_func_start sub_81D9D28
-sub_81D9D28: @ 81D9D28
-	lsrs r3, r1, 3
-	movs r2, 0x7
-	ands r2, r1
-	movs r1, 0x80
-	asrs r1, r2
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r3
-	ldrb r2, [r0]
-	orrs r1, r2
-	strb r1, [r0]
-	bx lr
-	thumb_func_end sub_81D9D28
-
-	thumb_func_start sub_81D9D40
-sub_81D9D40: @ 81D9D40
-	lsrs r3, r1, 3
-	movs r2, 0x7
-	ands r2, r1
-	movs r1, 0x80
-	asrs r1, r2
-	mvns r1, r1
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r3
-	ldrb r2, [r0]
-	ands r1, r2
-	strb r1, [r0]
-	bx lr
-	thumb_func_end sub_81D9D40
-
-	thumb_func_start sub_81D9D5C
-sub_81D9D5C: @ 81D9D5C
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	adds r6, r0, 0
-	mov r9, r1
-	adds r1, r2, 0
-	mov r8, r3
-	ldr r7, [sp, 0x1C]
-	movs r5, 0
-	cmp r5, r7
-	bcs _081D9DA0
-	adds r4, r1, 0
-_081D9D76:
-	mov r0, r8
-	adds r1, r0, r5
-	mov r0, r9
-	bl sub_81D9D0C
-	lsls r0, 24
-	cmp r0, 0
-	beq _081D9D90
-	adds r0, r6, 0
-	adds r1, r4, 0
-	bl sub_81D9D28
-	b _081D9D98
-_081D9D90:
-	adds r0, r6, 0
-	adds r1, r4, 0
-	bl sub_81D9D40
-_081D9D98:
-	adds r4, 0x1
-	adds r5, 0x1
-	cmp r5, r7
-	bcc _081D9D76
-_081D9DA0:
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_81D9D5C
-
-	thumb_func_start sub_81D9DAC
-sub_81D9DAC: @ 81D9DAC
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	mov r8, r0
-	adds r7, r1, 0
-	adds r6, r2, 0
-	movs r4, 0
-	movs r5, 0
-	cmp r4, r6
-	bcs _081D9DD6
-_081D9DC0:
-	lsls r4, 1
-	adds r1, r7, r5
-	mov r0, r8
-	bl sub_81D9D0C
-	lsls r0, 24
-	lsrs r0, 24
-	orrs r4, r0
-	adds r5, 0x1
-	cmp r5, r6
-	bcc _081D9DC0
-_081D9DD6:
-	adds r0, r4, 0
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81D9DAC
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/include/walda_phrase.h b/include/walda_phrase.h
new file mode 100644
index 000000000..7a711a413
--- /dev/null
+++ b/include/walda_phrase.h
@@ -0,0 +1,7 @@
+#ifndef GUARD_WALDA_PHRASE_H
+#define GUARD_WALDA_PHRASE_H
+
+void DoWaldaNamingScreen(void);
+u16 TryGetWallpaperWithWaldaPhrase(void);
+
+#endif // GUARD_WALDA_PHRASE_H
diff --git a/ld_script.txt b/ld_script.txt
index bfabd96bc..ca9432d94 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -258,7 +258,6 @@ SECTIONS {
         asm/pokenav.o(.text);
         asm/rayquaza_scene.o(.text);
         src/walda_phrase.o(.text);
-        asm/walda_phrase.o(.text);
         asm/contest_link_81D9DE4.o(.text);
         asm/trainer_rematch.o(.text);
         asm/unk_sprite_file.o(.text);
diff --git a/src/walda_phrase.c b/src/walda_phrase.c
index 1da2bddce..21f39f784 100644
--- a/src/walda_phrase.c
+++ b/src/walda_phrase.c
@@ -1,4 +1,5 @@
 #include "global.h"
+#include "walda_phrase.h"
 #include "string_util.h"
 #include "event_data.h"
 #include "naming_screen.h"
@@ -21,13 +22,13 @@ extern void SetWaldaWallpaperColors(u16 backgroundColor, u16 foregroundColor);
 extern void SetWaldaWallpaperLockedOrUnlocked(bool32 unlocked);
 
 // this file's functions
-void CB2_HandleGivenWaldaPhrase(void);
-u32 GetWaldaPhraseInputCase(u8 *inputPtr);
-bool32 TryCalculateWallpaper(u16* backgroundClr, u16 *foregroundClr, u8 *iconId, u8 *patternId, u16 trainerId, u8 *phrase);
-void sub_81D9D5C(u8 *array, u8 *letterTableIds, s32 arg2, s32 arg3, s32 arg4);
-s32 sub_81D9DAC(u8 *array, s32 arg1, s32 arg2);
-void sub_81D9C90(u8 *array, s32 arg1, s32 arg2);
-void sub_81D9CDC(u8 *array, s32 arg1, u8 arg2);
+static void CB2_HandleGivenWaldaPhrase(void);
+static u32 GetWaldaPhraseInputCase(u8 *inputPtr);
+static bool32 TryCalculateWallpaper(u16* backgroundClr, u16 *foregroundClr, u8 *iconId, u8 *patternId, u16 trainerId, u8 *phrase);
+static void sub_81D9D5C(u8 *array, u8 *letterTableIds, u32 arg2, u32 arg3, u32 loopCount);
+static u32 sub_81D9DAC(u8 *array, u32 arg1, u32 loopCount);
+static void sub_81D9C90(u8 *array, s32 arg1, s32 arg2);
+static void sub_81D9CDC(u8 *array, u32 loopCount, u8 arg2);
 
 // only consonants are allowed, no vowels, some lowercase letters are missing
 static const u8 sWaldaLettersTable[] =
@@ -49,7 +50,7 @@ void DoWaldaNamingScreen(void)
     DoNamingScreen(NAMING_SCREEN_WALDA, gStringVar2, 0, 0, 0, CB2_HandleGivenWaldaPhrase);
 }
 
-void CB2_HandleGivenWaldaPhrase(void)
+static void CB2_HandleGivenWaldaPhrase(void)
 {
     gSpecialVar_0x8004 = GetWaldaPhraseInputCase(gStringVar2);
 
@@ -73,7 +74,7 @@ void CB2_HandleGivenWaldaPhrase(void)
     SetMainCallback2(c2_exit_to_overworld_2_switch);
 }
 
-u32 GetWaldaPhraseInputCase(u8 *inputPtr)
+static u32 GetWaldaPhraseInputCase(u8 *inputPtr)
 {
     if (inputPtr[0] == EOS)
         return PHRASE_FIRST_ATTEMPT;
@@ -101,7 +102,7 @@ u16 TryGetWallpaperWithWaldaPhrase(void)
     return (bool8)(gScriptResult);
 }
 
-u8 GetLetterTableId(u8 letter)
+static u8 GetLetterTableId(u8 letter)
 {
     s32 i;
 
@@ -114,7 +115,7 @@ u8 GetLetterTableId(u8 letter)
     return ARRAY_COUNT(sWaldaLettersTable);
 }
 
-bool32 TryCalculateWallpaper(u16* backgroundClr, u16 *foregroundClr, u8 *iconId, u8 *patternId, u16 trainerId, u8 *phrase)
+static bool32 TryCalculateWallpaper(u16* backgroundClr, u16 *foregroundClr, u8 *iconId, u8 *patternId, u16 trainerId, u8 *phrase)
 {
     s32 i;
     ALIGNED(2) u8 array[12];
@@ -163,7 +164,7 @@ bool32 TryCalculateWallpaper(u16* backgroundClr, u16 *foregroundClr, u8 *iconId,
     return TRUE;
 }
 
-void sub_81D9C90(u8 *array, s32 arg1, s32 arg2)
+static void sub_81D9C90(u8 *array, s32 arg1, s32 arg2)
 {
     s32 i, j;
     u8 var1, var2;
@@ -172,7 +173,7 @@ void sub_81D9C90(u8 *array, s32 arg1, s32 arg2)
     {
         var1 = (array[0] & 0x80) >> 7;
 
-        var1++;var1--; // needed to match
+        var1++; var1--; // needed to match
 
         for (j = arg1 - 1; j >= 0; j--)
         {
@@ -183,3 +184,65 @@ void sub_81D9C90(u8 *array, s32 arg1, s32 arg2)
         }
     }
 }
+
+static void sub_81D9CDC(u8 *array, u32 loopCount, u8 arg2)
+{
+    u32 i;
+
+    arg2 |= (arg2 << 4);
+
+    for (i = 0; i < loopCount; i++)
+    {
+        array[i] ^= arg2;
+    }
+}
+
+static bool8 sub_81D9D0C(u8 *array, u32 arg1)
+{
+    u32 arrayId = arg1 >> 3;
+    u32 bits = 0x80 >> (7 & arg1);
+
+    return ((array[arrayId] & bits) != 0);
+}
+
+static void sub_81D9D28(u8 *array, u32 arg1)
+{
+    u32 arrayId = arg1 >> 3;
+    u8 bits = 0x80 >> (7 & arg1);
+
+    array[arrayId] |= bits;
+}
+
+static void sub_81D9D40(u8 *array, u32 arg1)
+{
+    u32 arrayId = arg1 >> 3;
+    u8 bits = ~(0x80 >> (7 & arg1));
+
+    array[arrayId] &= bits;
+}
+
+static void sub_81D9D5C(u8 *array, u8 *letterTableIds, u32 arg2, u32 arg3, u32 loopCount)
+{
+    u32 i;
+
+    for (i = 0; i < loopCount; i++)
+    {
+        if (sub_81D9D0C(letterTableIds, arg3 + i))
+            sub_81D9D28(array, arg2 + i);
+        else
+            sub_81D9D40(array, arg2 + i);
+    }
+}
+
+static u32 sub_81D9DAC(u8 *array, u32 arg1, u32 loopCount)
+{
+    u32 ret, i;
+
+    for (ret = 0, i = 0; i < loopCount; i++)
+    {
+        ret <<= 1;
+        ret |= sub_81D9D0C(array, arg1 + i);
+    }
+
+    return ret;
+}