X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=gp2x%2Femu.c;h=871d05fd4a74e7d85285abe6734a5e88335e8300;hb=edbb82f88e8dcfd8f4afc8119f04bb863304283b;hp=17e7028d6277b9bf25118da1d692d1c224c58f9e;hpb=979ba09f053261922f8ccb4889c7367fbf010453;p=libpicofe.git diff --git a/gp2x/emu.c b/gp2x/emu.c index 17e7028..871d05f 100644 --- a/gp2x/emu.c +++ b/gp2x/emu.c @@ -48,6 +48,7 @@ unsigned char *rom_data = NULL; extern int crashed_940; +static short sndBuffer[2*44100/50]; static char noticeMsg[64]; // notice msg to draw static struct timeval noticeMsgTime = { 0, 0 }; // when started showing static int reset_timing, osd_fps_x; @@ -276,6 +277,7 @@ int emu_ReloadRom(void) // bios_help() ? return 0; } else { + if (PicoMCD & 1) PicoExitMCD(); PicoMCD &= ~1; } @@ -374,7 +376,7 @@ int emu_ReloadRom(void) } } gettimeofday(¬iceMsgTime, 0); -printf("PicoMCD: %x\n", PicoMCD); + // load SRAM for this ROM if(currentConfig.EmuOpt & 1) emu_SaveLoadGame(1, 1); @@ -452,9 +454,9 @@ int emu_ReadConfig(int game) // set default config memset(¤tConfig, 0, sizeof(currentConfig)); currentConfig.lastRomFile[0] = 0; - currentConfig.EmuOpt = 0x1f | 0xc00; // | cd_leds | cd_cdda - currentConfig.PicoOpt = 0x0f | 0x200; // | use_940 - currentConfig.PsndRate = 44100; + currentConfig.EmuOpt = 0x1f | 0x400; // | cd_leds + currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940 | cd_pcm | cd_cdda + currentConfig.PsndRate = 22050; // 44100; currentConfig.PicoRegion = 0; // auto currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP currentConfig.Frameskip = -1; // auto @@ -599,20 +601,20 @@ static void cd_leds(void) // 8-bit modes unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0; unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0; - *(unsigned int *)((char *)gp2x_screen + 320*2+306) = - *(unsigned int *)((char *)gp2x_screen + 320*3+306) = - *(unsigned int *)((char *)gp2x_screen + 320*4+306) = col_g; - *(unsigned int *)((char *)gp2x_screen + 320*2+312) = - *(unsigned int *)((char *)gp2x_screen + 320*3+312) = - *(unsigned int *)((char *)gp2x_screen + 320*4+312) = col_r; + *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) = + *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) = + *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g; + *(unsigned int *)((char *)gp2x_screen + 320*2+12) = + *(unsigned int *)((char *)gp2x_screen + 320*3+12) = + *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r; } else { // 16-bit modes - unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+306); + unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4); unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0; unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0; - *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2; - *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2; - *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2; } } @@ -926,24 +928,10 @@ static void updateKeys(void) prevEvents = (allActions[0] | allActions[1]) >> 16; } -static int snd_excess_add = 0, snd_excess_cnt = 0; // hack -static void updateSound(void) +static void updateSound(int len) { - int len = (PicoOpt&8)?PsndLen*2:PsndLen; - - snd_excess_cnt += snd_excess_add; - if (snd_excess_cnt >= 0x10000) { - snd_excess_cnt -= 0x10000; - if (PicoOpt&8) { - PsndOut[len] = PsndOut[len-2]; - PsndOut[len+1] = PsndOut[len-1]; - len+=2; - } else { - PsndOut[len] = PsndOut[len-1]; - len++; - } - } + if (PicoOpt&8) len<<=1; gp2x_sound_write(PsndOut, len<<1); } @@ -1023,22 +1011,23 @@ void emu_Loop(void) // prepare sound stuff if(currentConfig.EmuOpt & 4) { + int snd_excess_add; if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) { /* if 940 is turned off, we need it to be put back to sleep */ if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) { Reset940(1, 2); Pause940(1); } - sound_rerate(); + sound_rerate(1); } //excess_samples = PsndRate - PsndLen*target_fps; - snd_excess_cnt = 0; snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps; printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal); gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3); gp2x_sound_volume(currentConfig.volume, currentConfig.volume); PicoWriteSound = updateSound; - PsndOut = calloc((PicoOpt&8) ? (PsndLen*4+4) : (PsndLen*2+2), 1); + memset(sndBuffer, 0, sizeof(sndBuffer)); + PsndOut = sndBuffer; PsndRate_old = PsndRate; PsndLen_real = PsndLen; PicoOpt_old = PicoOpt; @@ -1238,11 +1227,6 @@ if (Pico.m.frame_count == 31563) { emu_SaveLoadGame(0, 1); SRam.changed = 0; } - - if (PsndOut != 0) { - free(PsndOut); - PsndOut = 0; - } } @@ -1264,7 +1248,6 @@ size_t gzWrite2(void *p, size_t _size, size_t _n, void *file) return gzwrite(file, p, _n); } -typedef unsigned int (*STATE_SL_FUNC)(void *, unsigned int, unsigned int, void *); int emu_SaveLoadGame(int load, int sram) { @@ -1326,6 +1309,7 @@ int emu_SaveLoadGame(int load, int sram) areaRead = gzRead2; areaWrite = gzWrite2; areaEof = (areaeof *) gzeof; + areaSeek = (areaseek *) gzseek; if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY); } else saveFname[strlen(saveFname)-3] = 0; @@ -1335,18 +1319,23 @@ int emu_SaveLoadGame(int load, int sram) areaRead = (arearw *) fread; areaWrite = (arearw *) fwrite; areaEof = (areaeof *) feof; + areaSeek = (areaseek *) fseek; } } if(PmovFile) { - PmovState(load ? 6 : 5, PmovFile); - strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED "); + ret = PmovState(load ? 6 : 5, PmovFile); if(areaRead == gzRead2) gzclose(PmovFile); else fclose ((FILE *) PmovFile); PmovFile = 0; if (!load) sync(); else Pico.m.dirtyPal=1; - } else { + } + else ret = -1; + if (!ret) + strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED "); + else + { strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED "); ret = -1; }