home/talk_to_npc.asm

4 files changed, 180 insertions, 2 deletions

diff --git a/home/talk_to_npc.asm b/home/talk_to_npc.asm
new file mode 100644
index 0000000..924c723
--- /dev/null
+++ b/home/talk_to_npc.asm
@@ -0,0 +1,158 @@
+include "constants.asm"
+
+if DEBUG
+SECTION "Unknown 3025", ROM0 [$3025]
+else
+SECTION "Unknown 3025", ROM0 [$2fe9]
+endc
+
+Function3025::
+	ld hl, .Text
+	call Function3111
+	ret
+
+.Text: ; 00:302c
+	text "ゲームフりーク！"
+	done
+
+Function3036:: ; 3036
+	ld hl, .Text
+	ret
+
+.Text: ; 00:303a
+	db "@"
+
+Function303b::
+	ld a, [wcdb0]
+	bit 0, a
+	jr z, asm_3062
+	call Function3055
+	ret z
+	ld hl, hUnknownFFF3
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld de, .Return
+	push de
+	jp hl
+
+.Return: ; 00:3051
+	call Function307a
+	ret
+
+Function3055:: ; 00:3055
+	ldh a, [hFFEA]
+	ld b, a
+.asm_3058: ; 00:3058
+	ld a, [hli]
+	cp $ff
+	ret z
+	cp b
+	jp z, Function3240
+	jr .asm_3058
+
+asm_3062: ; 00:3062
+	ld a, [wcdb0]
+	bit 1, a
+	ret z
+	ld h, d
+	ld l, e
+	ldh a, [hFFEE]
+	dec a
+	ld d, $0
+	ld e, a
+	add hl, de
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld de, Function307a
+	push de
+	jp hl
+
+Function307a:: ; 00:307a
+	ld hl, wcdb0
+	res 0, [hl]
+	res 1, [hl]
+	call Function3240
+	ret
+
+Function3085:: ; 00:3085
+	push hl
+	push de
+	push bc
+	ld de, $99
+	ld a, [wcdb0]
+	bit 0, a
+	jr z, .asm_3097
+	ld de, hFFEA
+	jr .asm_309e
+
+.asm_3097: ; 00:3097
+	bit 1, a
+	jr z, .asm_309e
+	ld de, hFFEE
+.asm_309e: ; 00:309e
+	hlcoord 4, 12
+	lb bc, PRINTNUM_LEADINGZEROS | 1, 2
+	call PrintNumber
+	ld de, wMapScriptNumber
+	hlcoord 1, 12
+	lb bc, PRINTNUM_LEADINGZEROS | 1, 2
+	call PrintNumber
+	pop bc
+	pop de
+	pop hl
+	ret
+
+Function30b7::
+	ldh a, [hJoyState]
+	bit A_BUTTON_F, a
+	jp z, Function323e
+	call Function3103
+	jp nc, Function30e8
+	ld d, $0
+	ld e, a
+	ld a, [wce63]
+	bit 1, a
+	call nz, Function3085
+	ld hl, wd668
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	add hl, de
+	add hl, de
+	ld de, hUnknownFFF3
+	ld a, [hli]
+	ld [de], a
+	inc de
+	ld a, [hl]
+	ld [de], a
+	ld hl, wcdb0
+	set 0, [hl]
+	call Function3240
+	ret
+
+Function30e8:: ; 00:30e8
+	call Function2f1d
+	jp nc, Function323e
+	ld a, e
+	ldh [hFFEB], a
+	ld a, d
+	ldh [hFFEC], a
+	ld a, b
+	ldh [hFFED], a
+	ld a, [hl]
+	ldh [hFFEE], a
+	ld hl, wcdb0
+	set 1, [hl]
+	call Function3240
+	ret
+
+Function3103:: ; 00:3103
+	callba Function776e
+	ret nc
+	call Function319b
+	scf
+	ret
+
diff --git a/hram.asm b/hram.asm
index 0e26198..da17237 100644
--- a/hram.asm
+++ b/hram.asm
@@ -217,7 +217,15 @@ hMapAnims:: ; ffe8
 hTileAnimFrame:: ; ffe9
 	db
 
-    ds 5 ; TODO
+hFFEA:: ; ffea
+	db
+
+hFFEB:: db
+hFFEC:: db
+hFFED:: db
+
+hFFEE:: ; ffee
+	db
 
 hRandomAdd:: db ; ffef
 hRandomSub:: db ; fff0
@@ -225,4 +233,6 @@ hRTCRandom:: db ; fff1
 
 hBattleTurn:: db ; fff2
 
+hUnknownFFF3:: dw ; fff3
+
     ; TODO
diff --git a/shim.sym b/shim.sym
index 453fe55..ef3e447 100644
--- a/shim.sym
+++ b/shim.sym
@@ -2,8 +2,10 @@
 00:1A7C Function1a7c
 00:202C Function202c
 00:2C05 StartMenuCheck
+00:2F1D Function2f1d
 00:3111 Function3111
 00:3171 Function3171
+00:319B Function319b
 00:3233 Function3233
 00:323E Function323e
 00:3240 Function3240
@@ -39,6 +41,7 @@
 01:6445 Function6445
 01:66B1 Function66b1
 01:6713 Function6713
+01:776E Function776e
 
 02:4000 Function8000
 02:4098 _InitializeVisibleSprites
diff --git a/wram.asm b/wram.asm
index 3c5681f..44aa1f2 100644
--- a/wram.asm
+++ b/wram.asm
@@ -75,6 +75,8 @@ wVirtualOAM:: ; c200
     ds SPRITEOAMSTRUCT_LENGTH * NUM_SPRITE_OAM_STRUCTS
 wVirtualOAMEnd::
 
+SECTION "Tile map", WRAM0 [$C2A0]
+
 wTileMap:: ; c2a0
     ds SCREEN_HEIGHT * SCREEN_WIDTH
 
@@ -417,6 +419,10 @@ SECTION "CD7D", WRAM0[$CD7D]
 
 wItemQuantity:: db ; cd7d
 wItemQuantityBuffer:: db ; cd7e
+
+SECTION "CDB0", WRAM0 [$CDB0]
+wcdb0:: ; bit 0 = has engaged NPC in dialogue (?)
+	db
 	
 SECTION "CDBA", WRAM0[$CDBA]
 
@@ -734,7 +740,8 @@ wMapWidth:: ; d665
     db
 wMapBlocksPointer:: ; d666
 	dw
-    ds 2 ; TODO
+wd668::
+	dw
 wMapScriptPtr:: ; d66a
     dw
 wMapObjectsPtr:: ; d66c