PCE: Fixed Legend of Hero Tonma, use internal CRC function

Author: ducalex

huexpress-go/components/huexpress/engine/crc_ctl.c

@@ -692,13 +692,13 @@ IO_write(uint16 A, uchar V)
         return;
 
     case 0x1F00:                /* Street Fighter 2 Mapper */
-        if (ROMSIZE < 0xC0) {
+        if (ROM_SIZE < 0xC0) {
             // We can't rely on CRC because rom hacks and homebews using the SF2 mapper exist
             break;
         }
         if (SF2 != (A & 3)) {
             SF2 = A & 3;
-            uchar *base = ROM + SF2 * (512 * 1024);
+            uchar *base = ROM_PTR + SF2 * (512 * 1024);
             for (int i = 0x40; i < 0x80; i++)
             {
                 MemoryMapR[i] = base + i * 0x2000;

huexpress-go/components/huexpress/engine/hard_pce.c

@@ -113,10 +113,10 @@ typedef struct {
 	uint16 SPRAM[64 * 4];
 
 	// ROM memory
-	uchar *ROM;
+	uchar *ROM, *ROM_PTR;
 
 	// ROM size in 0x2000 blocks
-	uint16 ROMSIZE;
+	uint16 ROM_SIZE;
 
 	// PCE->PC Palette convetion array
 	// Each of the 512 available PCE colors (333 RGB -> 512 colors)
@@ -187,7 +187,8 @@ extern uchar *MemoryMapW[256];
 #define SPRAM PCE.SPRAM
 #define VRAM PCE.VRAM
 #define ROM PCE.ROM
-#define ROMSIZE PCE.ROMSIZE
+#define ROM_PTR PCE.ROM_PTR
+#define ROM_SIZE PCE.ROM_SIZE
 #define Scanline PCE.Scanline
 #define Palette PCE.Palette
 #define Cycles PCE.Cycles