Fix cash window formatting (when pressing B)

Does not fix the cash window that pops up when e.g. accessing the ATM.

compiled/vwf.c

@@ -485,3 +485,40 @@ byte print_character_to_window(byte chr, WINDOW* window)
 
     return width;
 }
+
+// Write the following, in sequence, to str:
+// [5F FF xx] code to right-align the text to padding pixels
+// Dollar sign (0x54)
+// Digits
+// 00 symbol (0x56)
+// [00 FF] end code
+void format_cash_window(int value, int padding, byte* str)
+{
+    // Convert digits to BCD for easy parsing
+    int digit_count;
+    int bcd = bin_to_bcd(value, &digit_count);
+
+    // Dollar sign is 6 pixels wide, 00 symbol is 8
+    padding -= 14;
+
+    // Subtract 6 pixels for each digit
+    padding -= (6 * digit_count);
+
+    // Control code
+    *str++ = 0x5F;
+    *str++ = 0xFF;
+    *str++ = padding & 0xFF;
+
+    *str++ = 0x54;
+
+    // Write the digits
+    for (int i = 0; i < digit_count; i++)
+    {
+        byte digit = ((bcd >> ((digit_count - 1 - i) * 4)) & 0xF) + ZERO;
+        *str++ = digit;
+    }
+
+    *str++ = 0x56;
+    *str++ = 0;
+    *str++ = 0xFF;
+}

compiled/vwf.h

@@ -12,6 +12,7 @@
 #define YOUWON_END 0x6C
 #define ARROW 0x6D
 #define SPACE 0x50
+#define ZERO 0x60
 
 #define WINDOW_AREA_BG 0x44444444
 #define WINDOW_HEADER_BG 0x33333333
@@ -61,6 +62,7 @@ int print_menu_string(WINDOW* window);
 void print_number_menu(WINDOW* window, int style);
 void print_number_menu_current(byte digit, WINDOW* window);
 void clear_number_menu(WINDOW* window);
+void format_cash_window(int value, int padding, byte* str);
 
 extern unsigned short m2_coord_table[];
 extern int m2_bits_to_nybbles[];

m2-hack.asm

@@ -524,6 +524,18 @@ b       0x80D3A14
 .org 0x80E0888 :: bl e06ec_redraw_psi
 .org 0x80E0A16 :: bl e06ec_redraw_bash_psi
 
+//---------------------------------------------------------
+// B89EC hacks (print current cash balance)
+//---------------------------------------------------------
+
+.org 0x80B8A06
+mov     r2,r1
+mov     r1,0x38 // right-align to 56 pixels
+bl      format_cash_window
+b       0x80B8A2E
+
+.org 0x80B785C :: mov r0,0xC // allocate 2 extra bytes for cash window string
+
 //---------------------------------------------------------
 // [68 FF] - clear window
 //---------------------------------------------------------

working/m12-misctext.json

@@ -21,7 +21,7 @@
       "OffsetLocation": 11632368,
       "OldPointer": 11629670,
       "Old": "       [00 FF]",
-      "New": "       [00 FF]"
+      "New": "          [00 FF]"
     },
     {
       "Index": 3,