Begin disassembling text.s

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