X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=psp%2Femu.c;h=338ffa4493fc680451efce14317ef83213452308;hb=703e4c7bbb2cfd549797e2092e4d863547b3e87c;hp=0d22e429a9f28aab31bc5c5be3a431d7c0f80676;hpb=2951214ea65ce2e2ac40671511b8d5a9ea2d2842;p=libpicofe.git diff --git a/psp/emu.c b/psp/emu.c index 0d22e42..338ffa4 100644 --- a/psp/emu.c +++ b/psp/emu.c @@ -2,33 +2,75 @@ #include #include // PATH_MAX +#include + +#include "psp.h" +#include "menu.h" +#include "emu.h" +#include "../common/emu.h" +#include "../common/lprintf.h" #include "../../Pico/PicoInt.h" +#ifdef BENCHMARK +#define OSD_FPS_X 220 +#else +#define OSD_FPS_X 260 +#endif + +// vram usage map: +// 000000-044000 fb0 +// 044000-088000 fb1 +// 088000-0ae000 texture0 +// 0ae000-0d4000 texture1 + char romFileName[PATH_MAX]; -unsigned char *PicoDraw2FB; // temporary buffer for alt renderer ( (8+320)*(8+240+8) ) +static unsigned char picoD2FB[(8+320)*(8+240+8)]; +unsigned char *PicoDraw2FB = picoD2FB; // temporary buffer for alt renderer ( (8+320)*(8+240+8) ) int engineState; +static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos +static unsigned int noticeMsgTime = 0; +int reset_timing = 0; // do we need this? + + +static void blit(const char *fps, const char *notice); +static void clearArea(int full); void emu_noticeMsgUpdated(void) { + noticeMsgTime = sceKernelGetSystemTimeLow(); } void emu_getMainDir(char *dst, int len) { + if (len > 0) *dst = 0; } -void emu_stateCb(const char *str) +static void emu_msg_cb(const char *msg) { + void *fb = psp_video_get_active_fb(); + + memset32((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); + emu_textOut16(4, 264, msg); + noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000; + + /* assumption: emu_msg_cb gets called only when something slow is about to happen */ + reset_timing = 1; } -void emu_setDefaultConfig(void) +void emu_stateCb(const char *str) { + clearArea(0); + blit("", str); } -void emu_forcedFrame(void) +static void emu_msg_tray_open(void) { + strcpy(noticeMsg, "CD tray opened"); + noticeMsgTime = sceKernelGetSystemTimeLow(); } + void emu_Init(void) { // make dirs for saves, cfgs, etc. @@ -38,15 +80,15 @@ void emu_Init(void) mkdir("cfg", 0777); PicoInit(); -// PicoMessage = emu_msg_cb; -// PicoMCDopenTray = emu_msg_tray_open; -// PicoMCDcloseTray = menu_loop_tray; + PicoMessage = emu_msg_cb; + PicoMCDopenTray = emu_msg_tray_open; + PicoMCDcloseTray = menu_loop_tray; } void emu_Deinit(void) { // save SRAM -/* if ((currentConfig.EmuOpt & 1) && SRam.changed) { + if ((currentConfig.EmuOpt & 1) && SRam.changed) { emu_SaveLoadGame(0, 1); SRam.changed = 0; } @@ -64,13 +106,595 @@ void emu_Deinit(void) fclose(f); } } -*/ + PicoExit(); } +void emu_setDefaultConfig(void) +{ + memset(¤tConfig, 0, sizeof(currentConfig)); + currentConfig.lastRomFile[0] = 0; + currentConfig.EmuOpt = 0x1f | 0x680; // | confirm_save, cd_leds, 16bit rend + currentConfig.PicoOpt = 0x07 | 0xc00; // | cd_pcm, cd_cdda + currentConfig.PsndRate = 22050; + currentConfig.PicoRegion = 0; // auto + currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP + currentConfig.Frameskip = -1; // auto + currentConfig.volume = 50; + currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU + currentConfig.KeyBinds[ 6] = 1<<1; + currentConfig.KeyBinds[ 7] = 1<<2; + currentConfig.KeyBinds[ 5] = 1<<3; + currentConfig.KeyBinds[14] = 1<<4; + currentConfig.KeyBinds[13] = 1<<5; + currentConfig.KeyBinds[15] = 1<<6; + currentConfig.KeyBinds[ 3] = 1<<7; + currentConfig.KeyBinds[23] = 1<<26; // switch rend + currentConfig.KeyBinds[ 8] = 1<<27; // save state + currentConfig.KeyBinds[ 9] = 1<<28; // load state + currentConfig.PicoCDBuffers = 0; + currentConfig.scaling = 0; +} + + +static int EmuScan16(unsigned int num, void *sdata) +{ + if (!(Pico.video.reg[1]&8)) num += 8; + DrawLineDest = (unsigned short *) psp_screen + 512*(num+1); + + return 0; +} + +static int EmuScan8(unsigned int num, void *sdata) +{ + // draw like the fast renderer + // TODO? + //if (!(Pico.video.reg[1]&8)) num += 8; + //HighCol = gfx_buffer + 328*(num+1); + + return 0; +} + +static void osd_text(int x, const char *text) +{ + int len = strlen(text) * 8 / 2; + int *p, h; + for (h = 0; h < 8; h++) { + p = (int *) ((unsigned short *) psp_screen+x+512*(264+h)); + p = (int *) ((int)p & ~3); // align + memset32(p, 0, len); + } + emu_textOut16(x, 264, text); +} + + +static void cd_leds(void) +{ + static int old_reg = 0; + unsigned int col_g, col_r, *p; + + if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change + old_reg = Pico_mcd->s68k_regs[0]; + + p = (unsigned int *)((short *)psp_screen + 512*2+4+2); + col_g = (old_reg & 2) ? 0x06000600 : 0; + col_r = (old_reg & 1) ? 0xc000c000 : 0; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; +} + + +static short localPal[0x100]; + +static void blit(const char *fps, const char *notice) +{ + int emu_opt = currentConfig.EmuOpt; + +#if 0 + if (PicoOpt&0x10) + { + int lines_flags = 224; + // 8bit fast renderer + if (Pico.m.dirtyPal) { + Pico.m.dirtyPal = 0; + vidConvCpyRGB565(localPal, Pico.cram, 0x40); + } + if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000; + if (currentConfig.EmuOpt&0x4000) + lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000; + vidCpy8to16((unsigned short *)giz_screen+321*8, PicoDraw2FB+328*8, localPal, lines_flags); + } + else if (!(emu_opt&0x80)) + { + int lines_flags; + // 8bit accurate renderer + if (Pico.m.dirtyPal) { + Pico.m.dirtyPal = 0; + vidConvCpyRGB565(localPal, Pico.cram, 0x40); + if (Pico.video.reg[0xC]&8) { // shadow/hilight mode + //vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40); + //vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40); // TODO? + blockcpy(localPal+0xc0, localPal+0x40, 0x40*2); + localPal[0xc0] = 0x0600; + localPal[0xd0] = 0xc000; + localPal[0xe0] = 0x0000; // reserved pixels for OSD + localPal[0xf0] = 0xffff; + } + /* no support + else if (rendstatus & 0x20) { // mid-frame palette changes + vidConvCpyRGB565(localPal+0x40, HighPal, 0x40); + vidConvCpyRGB565(localPal+0x80, HighPal+0x40, 0x40); + } */ + } + lines_flags = (Pico.video.reg[1]&8) ? 240 : 224; + if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000; + if (currentConfig.EmuOpt&0x4000) + lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000; + vidCpy8to16((unsigned short *)giz_screen+321*8, PicoDraw2FB+328*8, localPal, lines_flags); + } +#endif + + if (notice || (emu_opt & 2)) { + if (notice) osd_text(4, notice); + if (emu_opt & 2) osd_text(OSD_FPS_X, fps); + } + + if ((emu_opt & 0x400) && (PicoMCD & 1)) + cd_leds(); + + psp_video_flip(0); +} + +// clears whole screen or just the notice area (in all buffers) +static void clearArea(int full) +{ + if (full) { + memset32(psp_screen, 0, 512*272*2/4); + psp_video_flip(0); + memset32(psp_screen, 0, 512*272*2/4); + } else { + void *fb = psp_video_get_active_fb(); + memset32((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4); + memset32((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); + } +} + +static void vidResetMode(void) +{ + if (PicoOpt&0x10) { + } else if (currentConfig.EmuOpt&0x80) { + PicoDrawSetColorFormat(1); + PicoScan = EmuScan16; + } else { + PicoDrawSetColorFormat(-1); + PicoScan = EmuScan8; + } + if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) { + // setup pal for 8-bit modes + localPal[0xc0] = 0x0600; + localPal[0xd0] = 0xc000; + localPal[0xe0] = 0x0000; // reserved pixels for OSD + localPal[0xf0] = 0xffff; + } + Pico.m.dirtyPal = 1; + + clearArea(1); +} + +static void updateSound(int len) +{ + if (PicoOpt&8) len<<=1; + + // TODO.. +} + + +static void SkipFrame(void) +{ + PicoSkipFrame=1; + PicoFrame(); + PicoSkipFrame=0; +} + +void emu_forcedFrame(void) +{ + int po_old = PicoOpt; + int eo_old = currentConfig.EmuOpt; + + PicoOpt &= ~0x0010; + PicoOpt |= 0x4080; // soft_scale | acc_sprites + currentConfig.EmuOpt |= 0x80; + + PicoDrawSetColorFormat(1); + PicoScan = EmuScan16; + PicoScan((unsigned) -1, NULL); + Pico.m.dirtyPal = 1; + PicoFrameDrawOnly(); + + PicoOpt = po_old; + currentConfig.EmuOpt = eo_old; +} + + +static void RunEvents(unsigned int which) +{ + if (which & 0x1800) // save or load (but not both) + { + int do_it = 1; + + if ( emu_checkSaveFile(state_slot) && + (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load + (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save + { + int keys; + blit("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)"); + while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) + psp_msleep(50); + if (keys & BTN_CIRCLE) do_it = 0; + while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release + psp_msleep(50); + clearArea(0); + } + + if (do_it) + { + osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME"); + PicoStateProgressCB = emu_stateCb; + emu_SaveLoadGame((which & 0x1000) >> 12, 0); + PicoStateProgressCB = NULL; + psp_msleep(0); + } + + reset_timing = 1; + } + if (which & 0x0400) // switch renderer + { + if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; } + else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; } + + vidResetMode(); + + if (PicoOpt&0x10) { + strcpy(noticeMsg, " 8bit fast renderer"); + } else if (currentConfig.EmuOpt&0x80) { + strcpy(noticeMsg, "16bit accurate renderer"); + } else { + strcpy(noticeMsg, " 8bit accurate renderer"); + } + + noticeMsgTime = sceKernelGetSystemTimeLow(); + } + if (which & 0x0300) + { + if(which&0x0200) { + state_slot -= 1; + if(state_slot < 0) state_slot = 9; + } else { + state_slot += 1; + if(state_slot > 9) state_slot = 0; + } + sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE"); + noticeMsgTime = sceKernelGetSystemTimeLow(); + } +} + +static void updateKeys(void) +{ + unsigned int keys, allActions[2] = { 0, 0 }, events; + static unsigned int prevEvents = 0; + int i; + + keys = psp_pad_read(0); + if (keys & BTN_SELECT) + engineState = PGS_Menu; + + keys &= CONFIGURABLE_KEYS; + + for (i = 0; i < 32; i++) + { + if (keys & (1 << i)) + { + int pl, acts = currentConfig.KeyBinds[i]; + if (!acts) continue; + pl = (acts >> 16) & 1; + if (combo_keys & (1 << i)) + { + int u = i+1, acts_c = acts & combo_acts; + // let's try to find the other one + if (acts_c) + for (; u < 32; u++) + if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) { + allActions[pl] |= acts_c; + keys &= ~((1 << i) | (1 << u)); + break; + } + // add non-combo actions if combo ones were not found + if (!acts_c || u == 32) + allActions[pl] |= acts & ~combo_acts; + } else { + allActions[pl] |= acts; + } + } + } + + PicoPad[0] = (unsigned short) allActions[0]; + PicoPad[1] = (unsigned short) allActions[1]; + + events = (allActions[0] | allActions[1]) >> 16; + + // volume is treated in special way and triggered every frame + if ((events & 0x6000) && PsndOut != NULL) + { + int vol = currentConfig.volume; + if (events & 0x2000) { + if (vol < 100) vol++; + } else { + if (vol > 0) vol--; + } + // FrameworkAudio_SetVolume(vol, vol); // TODO + sprintf(noticeMsg, "VOL: %02i ", vol); + noticeMsgTime = sceKernelGetSystemTimeLow(); + currentConfig.volume = vol; + } + + events &= ~prevEvents; + if (events) RunEvents(events); + if (movie_data) emu_updateMovie(); + + prevEvents = (allActions[0] | allActions[1]) >> 16; +} + +static void find_combos(void) +{ + int act, u; + + // find out which keys and actions are combos + combo_keys = combo_acts = 0; + for (act = 0; act < 32; act++) + { + int keyc = 0; + if (act == 16 || act == 17) continue; // player2 flag + for (u = 0; u < 32; u++) + { + if (currentConfig.KeyBinds[u] & (1 << act)) keyc++; + } + if (keyc > 1) + { + // loop again and mark those keys and actions as combo + for (u = 0; u < 32; u++) + { + if (currentConfig.KeyBinds[u] & (1 << act)) { + combo_keys |= 1 << u; + combo_acts |= 1 << act; + } + } + } + } +} + + +static void simpleWait(unsigned int until) +{ + unsigned int tval; + int diff; + + tval = sceKernelGetSystemTimeLow(); + diff = (int)until - (int)tval; + if (diff >= 512 && diff < 100*1024) + sceKernelDelayThread(diff); +} + +void emu_Loop(void) +{ + //static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; + char fpsbuff[24]; // fps count c string + unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing + int frames_done = 0, frames_shown = 0, oldmodes = 0; + int target_fps, target_frametime, lim_time, tval_diff, i; + char *notice = NULL; + + lprintf("entered emu_Loop()\n"); + + fpsbuff[0] = 0; + + // make sure we are in correct mode + vidResetMode(); + Pico.m.dirtyPal = 1; + oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; + find_combos(); + + // pal/ntsc might have changed, reset related stuff + target_fps = Pico.m.pal ? 50 : 60; + target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1; + reset_timing = 1; + + // prepare CD buffer + if (PicoMCD & 1) PicoCDBufferInit(); + + // prepare sound stuff + PsndOut = NULL; +#if 0 // TODO + if (currentConfig.EmuOpt & 4) + { + int ret, snd_excess_add, stereo; + if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) { + sound_rerate(Pico.m.frame_count ? 1 : 0); + } + stereo=(PicoOpt&8)>>3; + snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps; + snd_cbuf_samples = (PsndRate< 2000000) { // > 2.0 sec + noticeMsgTime = 0; + clearArea(0); + notice = 0; + } else { + int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2]; + if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; } + notice = noticeMsg; + } + } + + // check for mode changes + modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8); + if (modes != oldmodes) { + oldmodes = modes; + clearArea(1); + } + + // second passed? + if (tval - tval_thissec >= 1000000) + { +#ifdef BENCHMARK + static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4]; + if(++bench == 10) { + bench = 0; + bench_fps_s = bench_fps; + bf[bfp++ & 3] = bench_fps; + bench_fps = 0; + } + bench_fps += frames_shown; + sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2); +#else + if(currentConfig.EmuOpt & 2) + sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done); +#endif + tval_thissec += 1000000; + + if (currentConfig.Frameskip < 0) { + frames_done -= target_fps; if (frames_done < 0) frames_done = 0; + frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0; + if (frames_shown > frames_done) frames_shown = frames_done; + } else { + frames_done = frames_shown = 0; + } + } +#ifdef PFRAMES + sprintf(fpsbuff, "%i", Pico.m.frame_count); +#endif + + tval_prev = tval; + lim_time = (frames_done+1) * target_frametime; + if (currentConfig.Frameskip >= 0) // frameskip enabled + { + for (i = 0; i < currentConfig.Frameskip; i++) { + updateKeys(); + SkipFrame(); frames_done++; + if (PsndOut) { // do framelimitting if sound is enabled + int tval_diff; + tval = sceKernelGetSystemTimeLow(); + tval_diff = (int)(tval - tval_thissec) << 8; + if (tval_diff < lim_time) // we are too fast + simpleWait(tval + ((lim_time - tval_diff)>>8)); + } + lim_time += target_frametime; + } + } + else // auto frameskip + { + int tval_diff; + tval = sceKernelGetSystemTimeLow(); + tval_diff = (int)(tval - tval_thissec) << 8; + if (tval_diff > lim_time) + { + // no time left for this frame - skip + if (tval_diff - lim_time >= (300000<<8)) { + /* something caused a slowdown for us (disk access? cache flush?) + * try to recover by resetting timing... */ + reset_timing = 1; + continue; + } + updateKeys(); + SkipFrame(); frames_done++; + continue; + } + } + + updateKeys(); + + if (!(PicoOpt&0x10)) + PicoScan((unsigned) -1, NULL); + + PicoFrame(); + + blit(fpsbuff, notice); + + // check time + tval = sceKernelGetSystemTimeLow(); + tval_diff = (int)(tval - tval_thissec) << 8; + + if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection + reset_timing = 1; + else if (PsndOut != NULL || currentConfig.Frameskip < 0) + { + // sleep if we are still too fast + if (tval_diff < lim_time) + { + // we are too fast + simpleWait(tval + ((lim_time - tval_diff) >> 8)); + } + } + + frames_done++; frames_shown++; + } + + + if (PicoMCD & 1) PicoCDBufferFree(); +/* + if (PsndOut != NULL) { + PsndOut = snd_cbuff = NULL; + FrameworkAudio_Close(); + } +*/ + // save SRAM + if ((currentConfig.EmuOpt & 1) && SRam.changed) { + emu_stateCb("Writing SRAM/BRAM.."); + emu_SaveLoadGame(0, 1); + SRam.changed = 0; + } +} + + void emu_ResetGame(void) { PicoReset(0); - //reset_timing = 1; + reset_timing = 1; }