mirror of
https://gitlab.com/Nanolx/homebrewfilter.git
synced 2024-12-27 01:51:48 +01:00
127 lines
2.9 KiB
C
127 lines
2.9 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <ogcsys.h>
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#include "config.h"
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GXRModeObj *PAL2NTSC[] = {
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&TVMpal480IntDf, &TVNtsc480IntDf,
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&TVPal264Ds, &TVNtsc240Ds,
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&TVPal264DsAa, &TVNtsc240DsAa,
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&TVPal264Int, &TVNtsc240Int,
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&TVPal264IntAa, &TVNtsc240IntAa,
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&TVPal524IntAa, &TVNtsc480IntAa,
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&TVPal528Int, &TVNtsc480IntAa,
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&TVPal528IntDf, &TVNtsc480IntDf,
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&TVPal574IntDfScale, &TVNtsc480IntDf,
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&TVEurgb60Hz240Ds, &TVNtsc240Ds,
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&TVEurgb60Hz240DsAa, &TVNtsc240DsAa,
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&TVEurgb60Hz240Int, &TVNtsc240Int,
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&TVEurgb60Hz240IntAa, &TVNtsc240IntAa,
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&TVEurgb60Hz480Int, &TVNtsc480IntAa,
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&TVEurgb60Hz480IntDf, &TVNtsc480IntDf,
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&TVEurgb60Hz480IntAa, &TVNtsc480IntAa,
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&TVEurgb60Hz480Prog, &TVNtsc480Prog,
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&TVEurgb60Hz480ProgSoft,&TVNtsc480Prog,
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&TVEurgb60Hz480ProgAa, &TVNtsc480Prog,
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NULL, NULL
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};
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GXRModeObj *NTSC2PAL[] = {
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&TVNtsc240Ds, &TVPal264Ds,
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&TVNtsc240DsAa, &TVPal264DsAa,
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&TVNtsc240Int, &TVPal264Int,
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&TVNtsc240IntAa, &TVPal264IntAa,
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&TVNtsc480IntDf, &TVPal528IntDf,
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&TVNtsc480IntAa, &TVPal524IntAa,
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&TVNtsc480Prog, &TVPal528IntDf,
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NULL, NULL
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};
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GXRModeObj *NTSC2PAL60[]={
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&TVNtsc240Ds, &TVEurgb60Hz240Ds,
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&TVNtsc240DsAa, &TVEurgb60Hz240DsAa,
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&TVNtsc240Int, &TVEurgb60Hz240Int,
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&TVNtsc240IntAa, &TVEurgb60Hz240IntAa,
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&TVNtsc480IntDf, &TVEurgb60Hz480IntDf,
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&TVNtsc480IntAa, &TVEurgb60Hz480IntAa,
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&TVNtsc480Prog, &TVEurgb60Hz480Prog,
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NULL, NULL
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};
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void Patch_VideoMode(u8 *buffer, u32 len)
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{
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GXRModeObj **table = NULL;
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u32 cnt, idx;
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/* Select conversion table */
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if (loaderCfg.forcePal50)
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table = NTSC2PAL;
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if (loaderCfg.forcePal60)
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table = NTSC2PAL60;
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if (loaderCfg.forceNtsc)
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table = PAL2NTSC;
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/* No table selected */
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if (!table)
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return;
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for (cnt = 0; cnt < len; cnt += 4) {
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u8 *ptr = buffer + cnt;
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/* Search for video modes */
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for (idx = 0; table[idx]; idx += 2) {
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/* Patch video mode */
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if (!memcmp(ptr, table[idx], sizeof(GXRModeObj)))
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memcpy(ptr, table[idx+1], sizeof(GXRModeObj));
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}
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}
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}
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// void __Patch_VideoMode(u8 *buffer, u32 len)
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// {
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// const u8 pattern[] = { 0x54, 0x00, 0xFF, 0xFE };
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//
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// u64 tid;
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// u32 cnt;
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//
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// /* Get title ID */
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// ES_GetTitleID(&tid);
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//
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// for (cnt = 0; cnt < len; cnt += 4) {
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// u32 *ptr = (u32 *)(buffer + cnt);
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//
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// /* Pattern found */
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// if (!memcmp(ptr, pattern, sizeof(pattern))) {
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// u8 region = tid & 0xFF;
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//
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// /* USA region */
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// if (region == 'E')
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// *ptr = 0x38000001;
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// /* JAP region */
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// if (region == 'J')
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// *ptr = 0x38000000;
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//
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// break;
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// }
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// }
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// }
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//
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//
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// void Patch_VideoMode(u8 *buffer, u32 len)
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// {
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// const u8 pattern[] = { 0x41, 0x82, 0x00, 0x0C, 0x41, 0x80, 0x00, 0x1C, 0x48, 0x00, 0x00, 0x18 };
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//
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// u32 cnt;
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//
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// for (cnt = 0; cnt < len; cnt += 4) {
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// u8 *ptr = buffer + cnt;
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//
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// /* Pattern found */
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// if (!memcmp(ptr, pattern, sizeof(pattern)))
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// __Patch_VideoMode(ptr, len - cnt);
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// }
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// }
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