https://github.com/jeffman/Mother2GbaTranslation/issues/100

notes/m2-notes.txt

@@ -95,7 +95,7 @@ English names:
            [00]: A menu
            [01]: Money
            [02]: ?
-           [03]: Action subject ("Who?", etc.)
+           [03]: Action subject ("Who?", etc.) / Money window (called by script)
            [04]: New equipment selection
            [05]: Offense/Defense
            [06]: Equip

src/c/vwf.c

@@ -841,6 +841,60 @@ int print_string(byte *str, int x, int y)
     return (charCount & 0xFFFF) | (totalWidth << 16);
 }
 
+// Edited version which recognizes the 5F FF code
+// Returns: ____XXXX = number of characters printed
+//          XXXX____ = number of pixels printed
+// x, y: pixels
+int print_string_edited(byte *str, int x, int y)
+{
+    if (str == NULL)
+        return 0;
+
+    byte chr;
+    int initial_x = x;
+    int charCount = 0;
+
+    while (!(str[1] == 0xFF && str[0] == 0x00))
+    {
+        if(str[1] != 0xFF)
+        {
+            x += print_character(decode_character(*str++), x, y);
+            charCount++;
+        }
+        else if(str[0] == 0x5F)
+        {
+            x += str[2];
+            str += 3;
+        }
+    }
+
+    int totalWidth = x - initial_x;
+
+    return (charCount & 0xFFFF) | (totalWidth << 16);
+}
+
+unsigned short printstr_hlight_edited(WINDOW* window, byte* str, unsigned short x, unsigned short y, bool highlight)
+{
+    return printstr_hlight_pixels_edited(window, str, x << 3, y << 4, highlight);
+}
+
+unsigned short printstr_hlight_pixels_edited(WINDOW* window, byte* str, unsigned short x, unsigned short y, bool highlight)
+{
+    unsigned short printX = x + ((window->window_x) << 3);
+    unsigned short printY = y + ((window->window_y) << 3);
+    unsigned short tmpPaletteMsk = (*palette_mask);
+    unsigned short palette_mask_highlight = tmpPaletteMsk;
+    if(highlight)
+        palette_mask_highlight += 0x1000;
+    (*palette_mask) = palette_mask_highlight;
+
+    unsigned short printed_Characters = print_string_edited(str, printX, printY);
+
+    (*palette_mask) = tmpPaletteMsk;
+
+    return printed_Characters;
+}
+
 int print_menu_string(WINDOW* window)
 {
     byte *menu_text = window->menu_text;

src/c/vwf.h

@@ -76,6 +76,9 @@ void copy_tile(int xSource, int ySource, int xDest, int yDest);
 void copy_tile_up(int x, int y);
 void print_space(WINDOW *window);
 int print_string(byte *str, int x, int y);
+int print_string_edited(byte *str, int x, int y);
+unsigned short printstr_hlight_edited(WINDOW* window, byte* str, unsigned short x, unsigned short y, bool highlight);
+unsigned short printstr_hlight_pixels_edited(WINDOW* window, byte* str, unsigned short x, unsigned short y, bool highlight);
 int print_menu_string(WINDOW* window);
 void print_number_menu(WINDOW* window, int style);
 void print_number_menu_current(byte digit, WINDOW* window);

src/m2-hack.asm

@@ -877,6 +877,19 @@ b       0x80B8A2E
 .org 0x80B785C :: mov r0,0xC // allocate 2 extra bytes for cash window string
 .org 0x80B786C :: mov r3,6   // make window 1 fewer tiles wide
 
+//---------------------------------------------------------
+// B8A60 hacks (print current cash balance, called from script. Since the script is already executing,
+// this version cannot use m2_printnextch, so it requires an edited version of m2_printstr_hlight which recognizes 5F FF)
+//---------------------------------------------------------
+
+.org 0x80B8A80
+ldr     r2,[r5,#0]
+mov     r1,0x30 // right-align to 48 pixels
+bl      format_cash_window
+b       0x80B8AAA
+
+.org 0x80B8AC0 :: bl printstr_hlight_edited
+
 //---------------------------------------------------------
 // [68 FF] - clear window
 //---------------------------------------------------------