mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 15:27:46 -04:00
Fix remaining bugs and fix indentation
This commit is contained in:
iLag
notaz
parent
9a570a67ca
commit
126eb5f469
1 changed files with 132 additions and 131 deletions
263
pico/patch.c
263
pico/patch.c
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@ -27,9 +27,9 @@
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struct patch
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{
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unsigned int addr;
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unsigned short data;
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unsigned char comp;
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unsigned int addr;
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unsigned short data;
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unsigned char comp;
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};
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struct patch_inst *PicoPatches = NULL;
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@ -174,14 +174,15 @@ void genie_decode_ms(const char *code, struct patch *result)
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/* Correct the address */
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result->addr = ((result->addr >> 4) | (result->addr << 12 & 0xF000)) ^ 0xF000;
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/* Optional: 3 digits for comp */
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if (code[8]=='-'){
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if (code[7]=='-')
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{
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for(i=8;i<11;++i)
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{
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if (i==9) continue; /* 2nd character is ignored */
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if(!(x = strchr(hex_chars, code[i])))
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{
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result->addr = result->data = -1;
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return;
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result->addr = result->data = -1;
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return;
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}
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result->comp = (result->comp << 4) | ((x - hex_chars) >> 1);
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}
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@ -356,161 +357,161 @@ void decode(const char* code, struct patch* result)
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void PicoPatchUnload(void)
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{
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if (PicoPatches != NULL)
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{
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free(PicoPatches);
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PicoPatches = NULL;
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}
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PicoPatchCount = 0;
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if (PicoPatches != NULL)
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{
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free(PicoPatches);
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PicoPatches = NULL;
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}
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PicoPatchCount = 0;
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}
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int PicoPatchLoad(const char *fname)
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{
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FILE *f;
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char buff[256];
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struct patch pt;
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int array_len = 0;
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FILE *f;
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char buff[256];
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struct patch pt;
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int array_len = 0;
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PicoPatchUnload();
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PicoPatchUnload();
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f = fopen(fname, "r");
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if (f == NULL)
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{
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return -1;
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}
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f = fopen(fname, "r");
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if (f == NULL)
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{
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return -1;
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}
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while (fgets(buff, sizeof(buff), f))
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{
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int llen, clen;
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while (fgets(buff, sizeof(buff), f))
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{
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int llen, clen;
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llen = strlen(buff);
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for (clen = 0; clen < llen; clen++)
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if (isspace_(buff[clen]))
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break;
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buff[clen] = 0;
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llen = strlen(buff);
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for (clen = 0; clen < llen; clen++)
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if (isspace_(buff[clen]))
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break;
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buff[clen] = 0;
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if (clen > 11 || clen < 8)
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continue;
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if (clen > 11 || clen < 8)
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continue;
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decode(buff, &pt);
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if (pt.addr == (unsigned int)-1 || pt.data == (unsigned short)-1)
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continue;
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decode(buff, &pt);
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if (pt.addr == (unsigned int)-1 || pt.data == (unsigned short)-1)
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continue;
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/* code was good, add it */
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if (array_len < PicoPatchCount + 1)
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{
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void *ptr;
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array_len *= 2;
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array_len++;
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ptr = realloc(PicoPatches, array_len * sizeof(PicoPatches[0]));
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if (ptr == NULL) break;
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PicoPatches = ptr;
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}
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strcpy(PicoPatches[PicoPatchCount].code, buff);
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/* strip */
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for (clen++; clen < llen; clen++)
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if (!isspace_(buff[clen]))
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break;
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for (llen--; llen > 0; llen--)
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if (!isspace_(buff[llen]))
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break;
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buff[llen+1] = 0;
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strncpy(PicoPatches[PicoPatchCount].name, buff + clen, 51);
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PicoPatches[PicoPatchCount].name[51] = 0;
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PicoPatches[PicoPatchCount].active = 0;
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PicoPatches[PicoPatchCount].addr = pt.addr;
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PicoPatches[PicoPatchCount].data = pt.data;
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PicoPatches[PicoPatchCount].data_old = 0;
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PicoPatchCount++;
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// fprintf(stderr, "loaded patch #%i: %06x:%04x \"%s\"\n", PicoPatchCount-1, pt.addr, pt.data,
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// PicoPatches[PicoPatchCount-1].name);
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}
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fclose(f);
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/* code was good, add it */
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if (array_len < PicoPatchCount + 1)
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{
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void *ptr;
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array_len *= 2;
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array_len++;
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ptr = realloc(PicoPatches, array_len * sizeof(PicoPatches[0]));
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if (ptr == NULL) break;
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PicoPatches = ptr;
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}
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strcpy(PicoPatches[PicoPatchCount].code, buff);
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/* strip */
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for (clen++; clen < llen; clen++)
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if (!isspace_(buff[clen]))
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break;
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for (llen--; llen > 0; llen--)
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if (!isspace_(buff[llen]))
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break;
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buff[llen+1] = 0;
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strncpy(PicoPatches[PicoPatchCount].name, buff + clen, 51);
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PicoPatches[PicoPatchCount].name[51] = 0;
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PicoPatches[PicoPatchCount].active = 0;
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PicoPatches[PicoPatchCount].addr = pt.addr;
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PicoPatches[PicoPatchCount].data = pt.data;
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PicoPatches[PicoPatchCount].data_old = 0;
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PicoPatchCount++;
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// fprintf(stderr, "loaded patch #%i: %06x:%04x \"%s\"\n", PicoPatchCount-1, pt.addr, pt.data,
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// PicoPatches[PicoPatchCount-1].name);
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}
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fclose(f);
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return 0;
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return 0;
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}
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/* to be called when the Rom is loaded and byteswapped */
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void PicoPatchPrepare(void)
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{
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int i;
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int addr;
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int i;
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int addr;
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for (i = 0; i < PicoPatchCount; i++)
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{
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addr=PicoPatches[i].addr;
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addr &= ~1;
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if (addr < Pico.romsize)
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PicoPatches[i].data_old = *(unsigned short *)(Pico.rom + addr);
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else
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{
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if(!(PicoAHW & PAHW_SMS))
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PicoPatches[i].data_old = (unsigned short) m68k_read16(addr);
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for (i = 0; i < PicoPatchCount; i++)
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{
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addr=PicoPatches[i].addr;
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addr &= ~1;
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if (addr < Pico.romsize)
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PicoPatches[i].data_old = *(unsigned short *)(Pico.rom + addr);
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else
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; // wrong: PicoPatches[i].data_old = (unsigned char) PicoRead8_z80(addr);
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}
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if (strstr(PicoPatches[i].name, "AUTO"))
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PicoPatches[i].active = 1;
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}
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{
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if(!(PicoAHW & PAHW_SMS))
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PicoPatches[i].data_old = (unsigned short) m68k_read16(addr);
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else
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;// wrong: PicoPatches[i].data_old = (unsigned char) PicoRead8_z80(addr);
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}
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if (strstr(PicoPatches[i].name, "AUTO"))
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PicoPatches[i].active = 1;
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}
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}
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void PicoPatchApply(void)
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{
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int i, u;
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unsigned int addr;
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int i, u;
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unsigned int addr;
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for (i = 0; i < PicoPatchCount; i++)
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{
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addr = PicoPatches[i].addr;
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for (i = 0; i < PicoPatchCount; i++)
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{
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addr = PicoPatches[i].addr;
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if (addr < Pico.romsize)
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{
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if (PicoPatches[i].active)
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if (addr < Pico.romsize)
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{
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if (!(PicoAHW & PAHW_SMS))
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*(unsigned short *)(Pico.rom + addr) = PicoPatches[i].data;
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else if (!PicoPatches[i].comp || PicoPatches[i].comp == *(char *)(Pico.rom + addr))
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*(char *)(Pico.rom + addr) = (char) PicoPatches[i].data;
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}
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else
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{
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// if current addr is not patched by older patch, write back original val
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for (u = 0; u < i; u++)
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if (PicoPatches[u].addr == addr) break;
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if (u == i)
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{
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if (!(PicoAHW & PAHW_SMS))
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*(unsigned short *)(Pico.rom + addr) = PicoPatches[i].data_old;
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else
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*(char *)(Pico.rom + addr) = (char) PicoPatches[i].data_old;
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}
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}
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if (PicoPatches[i].active)
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{
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if (!(PicoAHW & PAHW_SMS))
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*(unsigned short *)(Pico.rom + addr) = PicoPatches[i].data;
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else if (!PicoPatches[i].comp || PicoPatches[i].comp == *(char *)(Pico.rom + addr))
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*(char *)(Pico.rom + addr) = (char) PicoPatches[i].data;
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}
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else
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{
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// if current addr is not patched by older patch, write back original val
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for (u = 0; u < i; u++)
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if (PicoPatches[u].addr == addr) break;
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if (u == i)
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{
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if (!(PicoAHW & PAHW_SMS))
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*(unsigned short *)(Pico.rom + addr) = PicoPatches[i].data_old;
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else
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*(char *)(Pico.rom + addr) = (char) PicoPatches[i].data_old;
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}
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}
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// fprintf(stderr, "patched %i: %06x:%04x\n", PicoPatches[i].active, addr,
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// *(unsigned short *)(Pico.rom + addr));
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}
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else
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{
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if (PicoPatches[i].active)
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{
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if (!(PicoAHW & PAHW_SMS))
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m68k_write16(addr,PicoPatches[i].data);
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else
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;// wrong: PicoWrite8_z80(addr,PicoPatches[i].data);
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// *(unsigned short *)(Pico.rom + addr));
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}
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else
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{
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// if current addr is not patched by older patch, write back original val
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for (u = 0; u < i; u++)
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if (PicoPatches[u].addr == addr) break;
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if (u == i)
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{
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if (!(PicoAHW & PAHW_SMS))
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m68k_write16(PicoPatches[i].addr,PicoPatches[i].data_old);
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else
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;// wrong: PicoWrite8_z80(PicoPatches[i].addr,PicoPatches[i].data_old);
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}
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if (PicoPatches[i].active)
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{
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if (!(PicoAHW & PAHW_SMS))
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m68k_write16(addr,PicoPatches[i].data);
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else
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;// wrong: PicoWrite8_z80(addr,PicoPatches[i].data);
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}
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else
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{
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// if current addr is not patched by older patch, write back original val
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for (u = 0; u < i; u++)
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if (PicoPatches[u].addr == addr) break;
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if (u == i)
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{
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if (!(PicoAHW & PAHW_SMS))
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m68k_write16(PicoPatches[i].addr,PicoPatches[i].data_old);
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else
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;// wrong: PicoWrite8_z80(PicoPatches[i].addr,PicoPatches[i].data_old);
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}
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}
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}
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}
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}
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}
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}
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