Begin disassembling text.s

asm/rom_8184DA4.s

@@ -101253,7 +101253,7 @@ _081BA340:
 	ldrb r0, [r6, 0x6]
 	strb r0, [r6, 0x8]
 	ldrb r1, [r6, 0x5]
-	ldr r0, =gUnknown_03002F80
+	ldr r0, =gFonts
 	ldr r2, [r0]
 	lsls r0, r1, 1
 	adds r0, r1
@@ -101559,7 +101559,7 @@ _081BA590:
 	adds r0, r6, 0
 	bl TextPrinterClearDownArrow
 	ldrb r1, [r6, 0x5]
-	ldr r0, =gUnknown_03002F80
+	ldr r0, =gFonts
 	ldr r2, [r0]
 	lsls r0, r1, 1
 	adds r0, r1

asm/text.s

@@ -5,245 +5,6 @@
 
 	.text
 
-	thumb_func_start SetFontsPointer
-@ void SetFontsPointer(struct FontInfo *fonts)
-SetFontsPointer: @ 80045A4
-	ldr r1, =gUnknown_03002F80
-	str r0, [r1]
-	bx lr
-	.pool
-	thumb_func_end SetFontsPointer
-
-	thumb_func_start DeactivateAllTextPrinters
-@ void DeactivateAllTextPrinters()
-DeactivateAllTextPrinters: @ 80045B0
-	push {lr}
-	ldr r1, =gUnknown_020201B0
-	movs r2, 0
-	ldr r3, =0x0000045c
-	adds r0, r1, r3
-_080045BA:
-	strb r2, [r0, 0x1B]
-	subs r0, 0x24
-	cmp r0, r1
-	bge _080045BA
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end DeactivateAllTextPrinters
-
-	thumb_func_start Print
-@ u16 Print(u8 windowId, u8 fontId, u8 *str, u8 x, u8 y, u8 speed, void ( *callback)(u16, struct TextPrinter *))
-Print: @ 80045D0
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x10
-	ldr r4, [sp, 0x28]
-	ldr r5, [sp, 0x2C]
-	ldr r7, [sp, 0x30]
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r3, 24
-	lsrs r3, 24
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r5, 24
-	lsrs r5, 24
-	mov r8, r5
-	str r2, [sp]
-	mov r2, sp
-	strb r0, [r2, 0x4]
-	mov r0, sp
-	strb r1, [r0, 0x5]
-	strb r3, [r0, 0x6]
-	strb r4, [r0, 0x7]
-	strb r3, [r0, 0x8]
-	strb r4, [r0, 0x9]
-	ldr r0, =gUnknown_03002F80
-	ldr r0, [r0]
-	lsls r3, r1, 1
-	adds r3, r1
-	lsls r3, 2
-	adds r3, r0
-	ldrb r0, [r3, 0x6]
-	strb r0, [r2, 0xA]
-	mov r1, sp
-	ldrb r0, [r3, 0x7]
-	strb r0, [r1, 0xB]
-	mov r5, sp
-	ldrb r1, [r3, 0x8]
-	lsls r1, 28
-	movs r6, 0xF
-	lsrs r1, 28
-	ldrb r4, [r5, 0xC]
-	movs r2, 0x10
-	negs r2, r2
-	adds r0, r2, 0
-	ands r0, r4
-	orrs r0, r1
-	strb r0, [r5, 0xC]
-	mov r4, sp
-	ldrb r1, [r3, 0x8]
-	lsrs r1, 4
-	lsls r1, 4
-	ands r0, r6
-	orrs r0, r1
-	strb r0, [r4, 0xC]
-	ldrb r0, [r3, 0x9]
-	lsls r0, 28
-	lsrs r0, 28
-	adds r1, r6, 0
-	ands r1, r0
-	ldrb r0, [r4, 0xD]
-	ands r2, r0
-	orrs r2, r1
-	strb r2, [r4, 0xD]
-	mov r1, sp
-	ldrb r0, [r3, 0x9]
-	lsrs r0, 4
-	lsls r0, 4
-	ands r2, r6
-	orrs r2, r0
-	strb r2, [r1, 0xD]
-	mov r0, sp
-	mov r1, r8
-	adds r2, r7, 0
-	bl AddTextPrinter
-	lsls r0, 16
-	lsrs r0, 16
-	add sp, 0x10
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end Print
-
-	thumb_func_start AddTextPrinter
-@ u16 AddTextPrinter(struct TextPrinter *textPrinter, u8 speed, void ( *callback)(u16, struct TextPrinter *))
-AddTextPrinter: @ 800467C
-	push {r4-r7,lr}
-	adds r6, r0, 0
-	mov r12, r2
-	lsls r1, 24
-	lsrs r5, r1, 24
-	ldr r0, =gUnknown_03002F80
-	ldr r0, [r0]
-	cmp r0, 0
-	bne _08004698
-	movs r0, 0
-	b _08004766
-	.pool
-_08004698:
-	ldr r0, =gUnknown_0202018C
-	movs r2, 0
-	movs r1, 0x1
-	strb r1, [r0, 0x1B]
-	strb r2, [r0, 0x1C]
-	strb r5, [r0, 0x1D]
-	strb r2, [r0, 0x1E]
-	strb r2, [r0, 0x1F]
-	adds r4, r0, 0
-	movs r1, 0x6
-	adds r0, 0x1A
-_080046AE:
-	strb r2, [r0]
-	subs r0, 0x1
-	subs r1, 0x1
-	cmp r1, 0
-	bge _080046AE
-	adds r1, r4, 0
-	adds r0, r6, 0
-	ldm r0!, {r2,r3,r7}
-	stm r1!, {r2,r3,r7}
-	ldr r0, [r0]
-	str r0, [r1]
-	mov r0, r12
-	str r0, [r4, 0x10]
-	adds r0, r4, 0
-	adds r0, 0x20
-	movs r1, 0
-	strb r1, [r0]
-	adds r0, 0x1
-	strb r1, [r0]
-	ldrb r0, [r6, 0xC]
-	lsrs r0, 4
-	ldrb r2, [r6, 0xD]
-	lsls r1, r2, 28
-	lsrs r1, 28
-	lsrs r2, 4
-	bl GenerateFontHalfRowLookupTable
-	cmp r5, 0xFF
-	beq _08004718
-	cmp r5, 0
-	beq _08004718
-	ldrb r0, [r4, 0x1D]
-	subs r0, 0x1
-	strb r0, [r4, 0x1D]
-	ldr r2, =gUnknown_020201B0
-	ldrb r0, [r6, 0x4]
-	lsls r1, r0, 3
-	adds r1, r0
-	lsls r1, 2
-	adds r1, r2
-	adds r0, r4, 0
-	ldm r0!, {r2-r4}
-	stm r1!, {r2-r4}
-	ldm r0!, {r2,r3,r7}
-	stm r1!, {r2,r3,r7}
-	ldm r0!, {r2,r4,r7}
-	stm r1!, {r2,r4,r7}
-	b _0800475E
-	.pool
-_08004718:
-	ldr r1, =gUnknown_0202018C
-	movs r0, 0
-	strb r0, [r1, 0x1D]
-	movs r4, 0
-	ldr r7, =0x000003ff
-	b _08004732
-	.pool
-_0800472C:
-	adds r0, r4, 0x1
-	lsls r0, 16
-	lsrs r4, r0, 16
-_08004732:
-	cmp r4, r7
-	bhi _08004740
-	ldr r0, =gUnknown_0202018C
-	bl RenderFont
-	cmp r0, 0x1
-	bne _0800472C
-_08004740:
-	cmp r5, 0xFF
-	beq _0800474E
-	ldr r0, =gUnknown_0202018C
-	ldrb r0, [r0, 0x4]
-	movs r1, 0x2
-	bl CopyWindowToVram
-_0800474E:
-	ldr r2, =gUnknown_020201B0
-	ldrb r1, [r6, 0x4]
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r2
-	movs r1, 0
-	strb r1, [r0, 0x1B]
-_0800475E:
-	ldr r1, =gUnknown_03002F84
-	movs r0, 0
-	strb r0, [r1]
-	movs r0, 0x1
-_08004766:
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end AddTextPrinter
-
 	thumb_func_start RunTextPrinters
 @ void RunTextPrinters()
 RunTextPrinters: @ 8004778
@@ -254,7 +15,7 @@ RunTextPrinters: @ 8004778
 	ldrb r0, [r0]
 	cmp r0, 0
 	bne _080047F6
-	ldr r0, =gUnknown_020201B0
+	ldr r0, =gTextPrinters
 	movs r6, 0
 	adds r5, r0, 0x4
 	mov r8, r0
@@ -284,7 +45,7 @@ _080047BE:
 	movs r1, 0x2
 	bl CopyWindowToVram
 _080047C6:
-	ldr r1, =gUnknown_020201B0
+	ldr r1, =gTextPrinters
 	adds r0, r1, 0
 	adds r0, 0x10
 	adds r0, r6, r0
@@ -320,7 +81,7 @@ _080047F6:
 IsTextPrinterActive: @ 8004800
 	lsls r0, 24
 	lsrs r0, 24
-	ldr r2, =gUnknown_020201B0
+	ldr r2, =gTextPrinters
 	lsls r1, r0, 3
 	adds r1, r0
 	lsls r1, 2
@@ -337,7 +98,7 @@ RenderFont: @ 8004818
 	adds r4, r0, 0
 _0800481C:
 	ldrb r1, [r4, 0x5]
-	ldr r0, =gUnknown_03002F80
+	ldr r0, =gFonts
 	ldr r2, [r0]
 	lsls r0, r1, 1
 	adds r0, r1
@@ -2549,7 +2310,7 @@ _080058B8:
 	ldrb r0, [r6, 0x6]
 	strb r0, [r6, 0x8]
 	ldrb r1, [r6, 0x5]
-	ldr r0, =gUnknown_03002F80
+	ldr r0, =gFonts
 	ldr r2, [r0]
 	lsls r0, r1, 1
 	adds r0, r1
@@ -3064,7 +2825,7 @@ _08005CC6:
 	adds r0, r6, 0
 	bl TextPrinterClearDownArrow
 	ldrb r1, [r6, 0x5]
-	ldr r0, =gUnknown_03002F80
+	ldr r0, =gFonts
 	ldr r2, [r0]
 	lsls r0, r1, 1
 	adds r0, r1

include/task.h

@@ -1,6 +1,8 @@
 #ifndef GUARD_TASK_H
 #define GUARD_TASK_H
 
+#define NUM_TASKS 16
+
 typedef void (*TaskFunc)(u8 taskId);
 
 struct Task

include/text.h

@@ -11,4 +11,64 @@
 #define CHAR_NEWLINE        0xFE
 #define EOS                 0xFF // end of string
 
+#define NUM_TEXT_PRINTERS 32
+
+struct TextWindow {
+    u8* current_text_offset;
+    u8 windowId;
+    u8 fontId;
+    u8 x;
+    u8 y;
+    u8 currentX;        // 0x8
+    u8 currentY;
+    u8 letterSpacing;
+    u8 lineSpacing;
+    u8 fontColor_l:4;   // 0xC
+    u8 fontColor_h:4;
+    u8 bgColor:4;
+    u8 shadowColor:4;
+};
+
+struct TextPrinter
+{
+    struct TextWindow window;
+    
+    void (*callback)(u16, struct TextWindow *); // 0x10
+    
+    union {
+        struct
+        {
+            u8 field_0; // 0x14
+            u8 field_1;
+            u8 field_2;
+            u8 field_3;
+            u8 field_4; // 0x18
+            u8 field_5;
+            u8 field_6;
+            u8 field_7;
+        } sub;
+        u8 sub_fields[8];
+    } sub_union;
+    
+    u8 state;       // 0x1C
+    u8 text_speed;
+    u8 delayCounter;
+    u8 scrollDistance;
+    u8 minLetterSpacing;  // 0x20
+    u8 japanese;
+};
+
+struct FontInfo
+{
+    u16 (*fontFunction)(struct TextPrinter *x);
+    u8 maxLetterWidth;
+    u8 maxLetterHeight;
+    u8 letterSpacing;
+    u8 lineSpacing;
+    u8 fontColor_l:4;
+    u8 fontColor_h:4;
+    u8 bgColor:4;
+    u8 shadowColor:4;
+};
+
 #endif // GUARD_TEXT_H

ld_script.txt

@@ -48,6 +48,7 @@ SECTIONS {
         asm/bg.o(.text);
         asm/blit.o(.text);
         asm/window.o(.text);
+        src/text.o(.text);
         asm/text.o(.text);
         asm/sprite.o(.text);
         src/string_util.o(.text);

src/task.c

@@ -1,8 +1,6 @@
 #include "global.h"
 #include "task.h"
 
-#define NUM_TASKS 16
-
 #define HEAD_SENTINEL 0xFE
 #define TAIL_SENTINEL 0xFF
 
@@ -214,7 +212,7 @@ void SetWordTaskArg(u8 taskId, u8 dataElem, u32 value)
 
 u32 GetWordTaskArg(u8 taskId, u8 dataElem)
 {
-    if (dataElem <= 0xE)
+    if (dataElem <= 14)
         return (u16)gTasks[taskId].data[dataElem] | (gTasks[taskId].data[dataElem + 1] << 16);
     else
         return 0;

src/text.c

@@ -0,0 +1,99 @@
+#include "global.h"
+#include "text.h"
+#include "battle.h"
+#include "main.h"
+#include "palette.h"
+#include "string_util.h"
+
+EWRAM_DATA struct TextPrinter gTempTextPrinter;
+EWRAM_DATA struct TextPrinter gTextPrinters[NUM_TEXT_PRINTERS];
+
+extern u8 gUnknown_03002F84[];
+
+extern struct FontInfo *gFonts;
+
+u16 AddTextPrinter(struct TextWindow *textWindow, u8 speed, void (*callback)(u16, struct TextWindow *));
+void GenerateFontHalfRowLookupTable(u8 fgColor, u8 bgColor, u8 shadowColor);
+u32 RenderFont(struct TextPrinter *textPrinter);
+void CopyWindowToVram(u8 windowId, u8 mode);
+
+void SetFontsPointer(struct FontInfo *fonts)
+{
+    gFonts = fonts;
+}
+
+void DeactivateAllTextPrinters (void)
+{
+    int printer;
+    for (printer = 0; printer < NUM_TEXT_PRINTERS; ++printer)
+        gTextPrinters[printer].sub_union.sub.field_7 = 0;
+}
+
+u16 Print(u8 windowId, u8 fontId, u8 *str, u8 x, u8 y, u8 speed, void (*callback)(u16, struct TextWindow *))
+{
+    struct TextWindow window;
+
+    window.current_text_offset = str;
+    window.windowId = windowId;
+    window.fontId = fontId;
+    window.x = x;
+    window.y = y;
+    window.currentX = x;
+    window.currentY = y;
+    window.letterSpacing = gFonts[fontId].letterSpacing;
+    window.lineSpacing = gFonts[fontId].lineSpacing;
+    window.fontColor_l = gFonts[fontId].fontColor_l;
+    window.fontColor_h = gFonts[fontId].fontColor_h;
+    window.bgColor = gFonts[fontId].bgColor;
+    window.shadowColor = gFonts[fontId].shadowColor;
+    return AddTextPrinter(&window, speed, callback);
+}
+
+u16 AddTextPrinter(struct TextWindow *textWindow, u8 speed, void (*callback)(u16, struct TextWindow *))
+{
+    int i;
+    u16 j;
+
+    if (!gFonts)
+        return FALSE;
+    
+    gTempTextPrinter.sub_union.sub.field_7 = 1;
+    gTempTextPrinter.state = 0;
+    gTempTextPrinter.text_speed = speed;
+    gTempTextPrinter.delayCounter = 0;
+    gTempTextPrinter.scrollDistance = 0;
+    
+    for (i = 0; i < 7; ++i)
+    {
+        gTempTextPrinter.sub_union.sub_fields[i] = 0;
+    }
+    
+    gTempTextPrinter.window = *textWindow;
+    gTempTextPrinter.callback = callback;
+    gTempTextPrinter.minLetterSpacing = 0;
+    gTempTextPrinter.japanese = 0;
+
+    GenerateFontHalfRowLookupTable(textWindow->fontColor_h, textWindow->bgColor, textWindow->shadowColor);
+    if (speed != 0xFF && speed != 0x0)
+    {
+        --gTempTextPrinter.text_speed;
+        gTextPrinters[textWindow->windowId] = gTempTextPrinter;
+    }
+    else
+    {
+        gTempTextPrinter.text_speed = 0;
+        for (j = 0; j < 0x400; ++j)
+        {
+            if (RenderFont(&gTempTextPrinter) == 1)
+                break;
+        }
+        
+        if (speed != 0xFF)
+          CopyWindowToVram(gTempTextPrinter.window.windowId, 2);
+        gTextPrinters[textWindow->windowId].sub_union.sub.field_7 = 0;
+    }
+    gUnknown_03002F84[0] = 0;
+    return TRUE;
+}
+
+// struct means TextWindow, no struct means TextPrinter

sym_common.txt

@@ -48,7 +48,7 @@ gUnknown_03002F60: @ 3002F60
 gUnknown_03002F70: @ 3002F70
 	.space 0x10
 
-gUnknown_03002F80: @ 3002F80
+gFonts: @ 3002F80
 	.space 0x4
 
 gUnknown_03002F84: @ 3002F84

sym_ewram.txt

@@ -10,10 +10,10 @@ gUnknown_02020184: @ 2020184
 gUnknown_02020188: @ 2020188
 	.space 0x4
 
-gUnknown_0202018C: @ 202018C
+gTempTextPrinter: @ 202018C
 	.space 0x24
 
-gUnknown_020201B0: @ 20201B0
+gTextPrinters: @ 20201B0
 	.space 0x480
 
 gUnknown_02020630: @ 2020630