homebrewfilter/nand-loader/source/patches.c
2016-08-14 20:08:54 +02:00

127 lines
2.9 KiB
C

#include <stdio.h>
#include <string.h>
#include <ogcsys.h>
#include "config.h"
GXRModeObj *PAL2NTSC[] = {
&TVMpal480IntDf, &TVNtsc480IntDf,
&TVPal264Ds, &TVNtsc240Ds,
&TVPal264DsAa, &TVNtsc240DsAa,
&TVPal264Int, &TVNtsc240Int,
&TVPal264IntAa, &TVNtsc240IntAa,
&TVPal524IntAa, &TVNtsc480IntAa,
&TVPal528Int, &TVNtsc480IntAa,
&TVPal528IntDf, &TVNtsc480IntDf,
&TVPal574IntDfScale, &TVNtsc480IntDf,
&TVEurgb60Hz240Ds, &TVNtsc240Ds,
&TVEurgb60Hz240DsAa, &TVNtsc240DsAa,
&TVEurgb60Hz240Int, &TVNtsc240Int,
&TVEurgb60Hz240IntAa, &TVNtsc240IntAa,
&TVEurgb60Hz480Int, &TVNtsc480IntAa,
&TVEurgb60Hz480IntDf, &TVNtsc480IntDf,
&TVEurgb60Hz480IntAa, &TVNtsc480IntAa,
&TVEurgb60Hz480Prog, &TVNtsc480Prog,
&TVEurgb60Hz480ProgSoft,&TVNtsc480Prog,
&TVEurgb60Hz480ProgAa, &TVNtsc480Prog,
NULL, NULL
};
GXRModeObj *NTSC2PAL[] = {
&TVNtsc240Ds, &TVPal264Ds,
&TVNtsc240DsAa, &TVPal264DsAa,
&TVNtsc240Int, &TVPal264Int,
&TVNtsc240IntAa, &TVPal264IntAa,
&TVNtsc480IntDf, &TVPal528IntDf,
&TVNtsc480IntAa, &TVPal524IntAa,
&TVNtsc480Prog, &TVPal528IntDf,
NULL, NULL
};
GXRModeObj *NTSC2PAL60[]={
&TVNtsc240Ds, &TVEurgb60Hz240Ds,
&TVNtsc240DsAa, &TVEurgb60Hz240DsAa,
&TVNtsc240Int, &TVEurgb60Hz240Int,
&TVNtsc240IntAa, &TVEurgb60Hz240IntAa,
&TVNtsc480IntDf, &TVEurgb60Hz480IntDf,
&TVNtsc480IntAa, &TVEurgb60Hz480IntAa,
&TVNtsc480Prog, &TVEurgb60Hz480Prog,
NULL, NULL
};
void Patch_VideoMode(u8 *buffer, u32 len)
{
GXRModeObj **table = NULL;
u32 cnt, idx;
/* Select conversion table */
if (loaderCfg.forcePal50)
table = NTSC2PAL;
if (loaderCfg.forcePal60)
table = NTSC2PAL60;
if (loaderCfg.forceNtsc)
table = PAL2NTSC;
/* No table selected */
if (!table)
return;
for (cnt = 0; cnt < len; cnt += 4) {
u8 *ptr = buffer + cnt;
/* Search for video modes */
for (idx = 0; table[idx]; idx += 2) {
/* Patch video mode */
if (!memcmp(ptr, table[idx], sizeof(GXRModeObj)))
memcpy(ptr, table[idx+1], sizeof(GXRModeObj));
}
}
}
// void __Patch_VideoMode(u8 *buffer, u32 len)
// {
// const u8 pattern[] = { 0x54, 0x00, 0xFF, 0xFE };
//
// u64 tid;
// u32 cnt;
//
// /* Get title ID */
// ES_GetTitleID(&tid);
//
// for (cnt = 0; cnt < len; cnt += 4) {
// u32 *ptr = (u32 *)(buffer + cnt);
//
// /* Pattern found */
// if (!memcmp(ptr, pattern, sizeof(pattern))) {
// u8 region = tid & 0xFF;
//
// /* USA region */
// if (region == 'E')
// *ptr = 0x38000001;
// /* JAP region */
// if (region == 'J')
// *ptr = 0x38000000;
//
// break;
// }
// }
// }
//
//
// void Patch_VideoMode(u8 *buffer, u32 len)
// {
// const u8 pattern[] = { 0x41, 0x82, 0x00, 0x0C, 0x41, 0x80, 0x00, 0x1C, 0x48, 0x00, 0x00, 0x18 };
//
// u32 cnt;
//
// for (cnt = 0; cnt < len; cnt += 4) {
// u8 *ptr = buffer + cnt;
//
// /* Pattern found */
// if (!memcmp(ptr, pattern, sizeof(pattern)))
// __Patch_VideoMode(ptr, len - cnt);
// }
// }