// (c) Copyright 2007 notaz, All rights reserved. // Free for non-commercial use. // For commercial use, separate licencing terms must be obtained. #include #include #include // PATH_MAX #include #include #include #include #include #include "psp.h" #include "menu.h" #include "emu.h" #include "mp3.h" #include "asm_utils.h" #include "../common/emu.h" #include "../common/config.h" #include "../common/lprintf.h" #include "../../Pico/PicoInt.h" #include "../../Pico/cd/cue.h" #define OSD_FPS_X 432 // additional pspaudio imports, credits to crazyc int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown); // play with conversion? int sceAudio_5C37C0AE(void); // end play? int sceAudio_E0727056(int volume, void *buffer); // blocking output int sceAudioOutput2GetRestSample(); char romFileName[PATH_MAX]; unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword.. int engineState = PGS_Menu, engineStateSuspend; static unsigned int noticeMsgTime = 0; int reset_timing = 0; // do we need this? #define PICO_PEN_ADJUST_X 4 #define PICO_PEN_ADJUST_Y 2 static int pico_pen_x = 320/2, pico_pen_y = 240/2; static void sound_init(void); static void sound_deinit(void); static void blit2(const char *fps, const char *notice, int lagging_behind); static void clearArea(int full); void emu_noticeMsgUpdated(void) { noticeMsgTime = sceKernelGetSystemTimeLow(); } int emu_getMainDir(char *dst, int len) { if (len > 0) *dst = 0; return 0; } static void osd_text(int x, const char *text, int is_active, int clear_all) { unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen; int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2); int *p, h; void *tmp; for (h = 0; h < 8; h++) { p = (int *) (screen+x+512*(264+h)); p = (int *) ((int)p & ~3); // align memset32_uncached(p, 0, len); } if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks emu_textOut16(x, 264, text); if (is_active) psp_screen = tmp; } void emu_msg_cb(const char *msg) { osd_text(4, msg, 1, 1); noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000; /* assumption: emu_msg_cb gets called only when something slow is about to happen */ reset_timing = 1; } static void emu_msg_tray_open(void) { strcpy(noticeMsg, "CD tray opened"); noticeMsgTime = sceKernelGetSystemTimeLow(); } void emu_Init(void) { // make dirs for saves, cfgs, etc. mkdir("mds", 0777); mkdir("srm", 0777); mkdir("brm", 0777); mkdir("cfg", 0777); sound_init(); PicoInit(); 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) { emu_SaveLoadGame(0, 1); SRam.changed = 0; } if (!(currentConfig.EmuOpt & 0x20)) config_writelrom(PicoConfigFile); PicoExit(); sound_deinit(); } void emu_prepareDefaultConfig(void) { memset(&defaultConfig, 0, sizeof(defaultConfig)); defaultConfig.EmuOpt = 0x1d | 0x680; // | <- confirm_save, cd_leds, acc rend defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX|POPT_ACC_SPRITES; defaultConfig.s_PsndRate = 22050; defaultConfig.s_PicoRegion = 0; // auto defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP defaultConfig.s_PicoCDBuffers = 64; defaultConfig.Frameskip = -1; // auto defaultConfig.CPUclock = 333; defaultConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU defaultConfig.KeyBinds[ 6] = 1<<1; defaultConfig.KeyBinds[ 7] = 1<<2; defaultConfig.KeyBinds[ 5] = 1<<3; defaultConfig.KeyBinds[14] = 1<<4; defaultConfig.KeyBinds[13] = 1<<5; defaultConfig.KeyBinds[15] = 1<<6; defaultConfig.KeyBinds[ 3] = 1<<7; defaultConfig.KeyBinds[12] = 1<<26; // switch rnd defaultConfig.KeyBinds[ 8] = 1<<27; // save state defaultConfig.KeyBinds[ 9] = 1<<28; // load state defaultConfig.KeyBinds[28] = 1<<0; // num "buttons" defaultConfig.KeyBinds[30] = 1<<1; defaultConfig.KeyBinds[31] = 1<<2; defaultConfig.KeyBinds[29] = 1<<3; defaultConfig.scaling = 1; // bilinear filtering for psp defaultConfig.scale = 1.20; // fullscreen defaultConfig.hscale40 = 1.25; defaultConfig.hscale32 = 1.56; defaultConfig.turbo_rate = 15; } extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count); extern void amips_clut_6bit(unsigned short *dst, unsigned char *src, unsigned short *pal, int count); static void (*amips_clut_f)(unsigned short *dst, unsigned char *src, unsigned short *pal, int count) = NULL; struct Vertex { short u,v; short x,y,z; }; static struct Vertex __attribute__((aligned(4))) g_vertices[2]; static unsigned short __attribute__((aligned(16))) localPal[0x100]; static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0; static int fbimg_offs = 0; static void set_scaling_params(void) { int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0; g_vertices[0].x = g_vertices[0].y = g_vertices[0].z = g_vertices[1].z = 0; fbimg_height = (int)(240.0 * currentConfig.scale + 0.5); if (Pico.video.reg[12] & 1) { fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5); src_width = 320; } else { fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5); src_width = 256; } if (fbimg_width & 1) fbimg_width++; // make even if (fbimg_height & 1) fbimg_height++; if (fbimg_width >= 480) { g_vertices[0].u = (fbimg_width-480)/2; g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1; fbimg_width = 480; fbimg_xoffs = 0; } else { g_vertices[0].u = 0; g_vertices[1].u = src_width; fbimg_xoffs = 240 - fbimg_width/2; } if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1; if (fbimg_height >= 272) { g_vertices[0].v = (fbimg_height-272)/2; g_vertices[1].v = 240 - (fbimg_height-272)/2; fbimg_height = 272; fbimg_yoffs = 0; } else { g_vertices[0].v = 0; g_vertices[1].v = 240; fbimg_yoffs = 136 - fbimg_height/2; } g_vertices[1].x = fbimg_width; g_vertices[1].y = fbimg_height; if (fbimg_xoffs < 0) fbimg_xoffs = 0; if (fbimg_yoffs < 0) fbimg_yoffs = 0; if (border_hack) { g_vertices[0].u++; g_vertices[0].x++; g_vertices[1].u--; g_vertices[1].x--; } fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit /* lprintf("set_scaling_params:\n"); lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs); lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y); lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v); */ } static void do_pal_update(int allow_sh, int allow_as) { unsigned int *dpal=(void *)localPal; int i; //for (i = 0x3f/2; i >= 0; i--) // dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4); do_pal_convert(localPal, Pico.cram, currentConfig.gamma, currentConfig.gamma2); Pico.m.dirtyPal = 0; need_pal_upload = 1; if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight? { // shadowed pixels for (i = 0x3f/2; i >= 0; i--) dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x7bcf7bcf; // hilighted pixels for (i = 0x3f; i >= 0; i--) { int t=localPal[i]&0xf79e;t+=0x4208; if (t&0x20) t|=0x1e; if (t&0x800) t|=0x780; if (t&0x10000) t|=0xf000; t&=0xf79e; localPal[0x80|i]=(unsigned short)t; } localPal[0xe0] = 0; localPal[0xf0] = 0x001f; } else if (allow_as && (rendstatus & PDRAW_ACC_SPRITES)) { memcpy32((int *)dpal+0x80/2, (void *)localPal, 0x40*2/4); } } static void do_slowmode_lines(int line_to) { int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256; unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2; unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16; if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; } for (; line < line_to; line++, dst+=512, src+=512) amips_clut_f(dst, src, localPal, line_len); } static void EmuScanPrepare(void) { HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8; if (!(Pico.video.reg[1]&8)) HighCol += 8*512; if (dynamic_palette > 0) dynamic_palette--; if (Pico.m.dirtyPal) do_pal_update(1, 1); if ((rendstatus & PDRAW_ACC_SPRITES) && !(Pico.video.reg[0xC]&8)) amips_clut_f = amips_clut_6bit; else amips_clut_f = amips_clut; } static int EmuScanSlowBegin(unsigned int num) { if (!(Pico.video.reg[1]&8)) num += 8; if (!dynamic_palette) HighCol = (unsigned char *)VRAM_CACHED_STUFF + num * 512 + 8; return 0; } static int EmuScanSlowEnd(unsigned int num) { if (!(Pico.video.reg[1]&8)) num += 8; if (Pico.m.dirtyPal) { if (!dynamic_palette) { do_slowmode_lines(num); dynamic_palette = 3; // last for 2 more frames } do_pal_update(1, 1); } if (dynamic_palette) { int line_len = (Pico.video.reg[12]&1) ? 320 : 256; void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num; amips_clut_f(dst, HighCol + 8, localPal, line_len); } return 0; } static void blitscreen_clut(void) { int offs = fbimg_offs; offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1; sceGuSync(0,0); // sync with prev sceGuStart(GU_DIRECT, guCmdList); sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer if (dynamic_palette) { if (!blit_16bit_mode) { // the current mode is not 16bit sceGuTexMode(GU_PSM_5650, 0, 0, 0); sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240); blit_16bit_mode = 1; } } else { if (blit_16bit_mode) { sceGuClutMode(GU_PSM_5650,0,0xff,0); sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16); blit_16bit_mode = 0; } if ((PicoOpt&0x10) && Pico.m.dirtyPal) do_pal_update(0, 0); sceKernelDcacheWritebackAll(); if (need_pal_upload) { need_pal_upload = 0; sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) } } #if 1 if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x) { struct Vertex* vertices; int x; #define SLICE_WIDTH 32 for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH) { // render sprite vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex)); memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex)); vertices[0].u = vertices[0].x = x; vertices[1].u = vertices[1].x = x + SLICE_WIDTH; sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices); } // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only } else #endif sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices); sceGuFinish(); } static void cd_leds(void) { unsigned int reg, col_g, col_r, *p; reg = Pico_mcd->s68k_regs[0]; p = (unsigned int *)((short *)psp_screen + 512*2+4+2); col_g = (reg & 2) ? 0x06000600 : 0; col_r = (reg & 1) ? 0x00180018 : 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 void draw_pico_ptr(void) { unsigned char *p = (unsigned char *)VRAM_STUFF + 16; // only if pen enabled and for 8bit mode if (pico_inp_mode == 0 || blit_16bit_mode) return; p += 512 * (pico_pen_y + PICO_PEN_ADJUST_Y); p += pico_pen_x + PICO_PEN_ADJUST_X; p[ -1] = 0xe0; p[ 0] = 0xf0; p[ 1] = 0xe0; p[ 511] = 0xf0; p[ 512] = 0xf0; p[ 513] = 0xf0; p[1023] = 0xe0; p[1024] = 0xf0; p[1025] = 0xe0; } #if 0 static void dbg_text(void) { int *p, h, len; char text[128]; sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode); len = strlen(text) * 8 / 2; for (h = 0; h < 8; h++) { p = (int *) ((unsigned short *) psp_screen+2+512*(256+h)); p = (int *) ((int)p & ~3); // align memset32_uncached(p, 0, len); } emu_textOut16(2, 256, text); } #endif /* called after rendering is done, but frame emulation is not finished */ void blit1(void) { if (PicoOpt&0x10) { int i; unsigned char *pd; // clear top and bottom trash for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512) memset32((int *)pd, 0xe0e0e0e0, 320/4); for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512) memset32((int *)pd, 0xe0e0e0e0, 320/4); } if (PicoAHW & PAHW_PICO) draw_pico_ptr(); blitscreen_clut(); } static void blit2(const char *fps, const char *notice, int lagging_behind) { int vsync = 0, emu_opt = currentConfig.EmuOpt; if (notice || (emu_opt & 2)) { if (notice) osd_text(4, notice, 0, 0); if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0); } //dbg_text(); if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD)) cd_leds(); if (currentConfig.EmuOpt & 0x2000) { // want vsync if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1; } psp_video_flip(vsync); } // clears whole screen or just the notice area (in all buffers) static void clearArea(int full) { if (full) { memset32_uncached(psp_screen, 0, 512*272*2/4); psp_video_flip(0); memset32_uncached(psp_screen, 0, 512*272*2/4); memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4); memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4); } else { void *fb = psp_video_get_active_fb(); memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4); memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); } } static void vidResetMode(void) { // setup GU sceGuSync(0,0); // sync with prev sceGuStart(GU_DIRECT, guCmdList); sceGuClutMode(GU_PSM_5650,0,0xff,0); sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB); if (currentConfig.scaling) sceGuTexFilter(GU_LINEAR, GU_LINEAR); else sceGuTexFilter(GU_NEAREST, GU_NEAREST); sceGuTexScale(1.0f,1.0f); sceGuTexOffset(0.0f,0.0f); sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16); // slow rend. PicoDrawSetColorFormat(-1); PicoScanBegin = EmuScanSlowBegin; PicoScanEnd = EmuScanSlowEnd; localPal[0xe0] = 0; localPal[0xf0] = 0x001f; Pico.m.dirtyPal = 1; blit_16bit_mode = dynamic_palette = 0; sceGuFinish(); set_scaling_params(); sceGuSync(0,0); } void emu_platformDebugCat(char *str) { strcat(str, blit_16bit_mode ? "soft clut\n" : "hard clut\n"); } /* sound stuff */ #define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152 #define SOUND_BLOCK_SIZE_PAL (1764*2) #define SOUND_BLOCK_COUNT 8 static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2]; static short *snd_playptr = NULL, *sndBuffer_endptr = NULL; static int samples_made = 0, samples_done = 0, samples_block = 0; static int sound_thread_exit = 0; static SceUID sound_sem = -1; static void writeSound(int len); static int sound_thread(SceSize args, void *argp) { int ret = 0; lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority()); while (!sound_thread_exit) { if (samples_made - samples_done < samples_block) { // wait for data (use at least 2 blocks) //lprintf("sthr: wait... (%i)\n", samples_made - samples_done); while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit) ret = sceKernelWaitSema(sound_sem, 1, 0); if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret); continue; } // lprintf("sthr: got data: %i\n", samples_made - samples_done); ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr); samples_done += samples_block; snd_playptr += samples_block; if (snd_playptr >= sndBuffer_endptr) snd_playptr = sndBuffer; // 1.5 kernel returns 0, newer ones return # of samples queued if (ret < 0) lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made); // shouln't happen, but just in case if (samples_made - samples_done >= samples_block*3) { //lprintf("sthr: block skip (%i)\n", samples_made - samples_done); samples_done += samples_block; // skip snd_playptr += samples_block; } } lprintf("sthr: exit\n"); sceKernelExitDeleteThread(0); return 0; } static void sound_init(void) { SceUID thid; int ret; sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL); if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem); samples_made = samples_done = 0; samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema sound_thread_exit = 0; thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL); if (thid >= 0) { ret = sceKernelStartThread(thid, 0, 0); if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret); } else lprintf("sceKernelCreateThread failed: %i\n", thid); } static void sound_prepare(void) { static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; int ret, stereo; samples_made = samples_done = 0; if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) { PsndRerate(Pico.m.frame_count ? 1 : 0); } stereo=(PicoOpt&8)>>3; samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC; if (PsndRate <= 22050) samples_block /= 2; sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT]; lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n", PsndRate, PsndLen, stereo, Pico.m.pal, samples_block); // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100); // sceAudio_5C37C0AE(); ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment if (ret < 0) { lprintf("sceAudio_38553111() failed: %i\n", ret); sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret); noticeMsgTime = sceKernelGetSystemTimeLow(); currentConfig.EmuOpt &= ~4; } else { PicoWriteSound = writeSound; memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4); snd_playptr = sndBuffer_endptr - samples_block; samples_made = samples_block; // send 1 empty block first.. PsndOut = sndBuffer; PsndRate_old = PsndRate; PicoOpt_old = PicoOpt; pal_old = Pico.m.pal; } } static void sound_end(void) { int i; if (samples_done == 0) { // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls, // we get a deadlock on next sceAudio_38553111 call // so this is yet another workaround: memset32((int *)(void *)sndBuffer, 0, samples_block*4/4); samples_made = samples_block * 3; sceKernelSignalSema(sound_sem, 1); } sceKernelDelayThread(100*1000); samples_made = samples_done = 0; for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++) psp_msleep(100); sceAudio_5C37C0AE(); } static void sound_deinit(void) { sound_thread_exit = 1; sceKernelSignalSema(sound_sem, 1); sceKernelDeleteSema(sound_sem); sound_sem = -1; } static void writeSound(int len) { int ret; if (PicoOpt&8) len<<=1; PsndOut += len; /*if (PsndOut > sndBuffer_endptr) { memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2); PsndOut = &sndBuffer[PsndOut - endptr]; lprintf("mov\n"); } else*/ if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr); if (PsndOut >= sndBuffer_endptr) PsndOut = sndBuffer; // signal the snd thread samples_made += len; if (samples_made - samples_done > samples_block*2) { // lprintf("signal, %i/%i\n", samples_done, samples_made); ret = sceKernelSignalSema(sound_sem, 1); //if (ret < 0) lprintf("snd signal ret %08x\n", ret); } } static void SkipFrame(void) { PicoSkipFrame=1; PicoFrame(); PicoSkipFrame=0; } void emu_forcedFrame(int opts) { int po_old = PicoOpt; int eo_old = currentConfig.EmuOpt; PicoOpt &= ~0x10; PicoOpt |= opts|POPT_ACC_SPRITES; currentConfig.EmuOpt |= 0x80; vidResetMode(); memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4); memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4); PicoDrawSetColorFormat(-1); PicoScanBegin = EmuScanSlowBegin; PicoScanEnd = EmuScanSlowEnd; EmuScanPrepare(); PicoFrameDrawOnly(); blit1(); sceGuSync(0,0); PicoOpt = po_old; currentConfig.EmuOpt = eo_old; } static void RunEventsPico(unsigned int events, unsigned int keys) { emu_RunEventsPico(events); if (pico_inp_mode != 0) { PicoPad[0] &= ~0x0f; // release UDLR if (keys & BTN_UP) { pico_pen_y--; if (pico_pen_y < 8) pico_pen_y = 8; } if (keys & BTN_DOWN) { pico_pen_y++; if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y; } if (keys & BTN_LEFT) { pico_pen_x--; if (pico_pen_x < 0) pico_pen_x = 0; } if (keys & BTN_RIGHT) { int lim = (Pico.video.reg[12]&1) ? 319 : 255; pico_pen_x++; if (pico_pen_x > lim-PICO_PEN_ADJUST_X) pico_pen_x = lim-PICO_PEN_ADJUST_X; } PicoPicohw.pen_pos[0] = pico_pen_x; if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4; PicoPicohw.pen_pos[0] += 0x3c; PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y); } } 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; sceGuSync(0,0); blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0); 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", 1, 0); PicoStateProgressCB = emu_msg_cb; 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, "fast renderer"); else if (currentConfig.EmuOpt&0x80) strcpy(noticeMsg, "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 & PSP_CTRL_HOME) sceDisplayWaitVblankStart(); 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 (kb_combo_keys & (1 << i)) { int u = i+1, acts_c = acts & kb_combo_acts; // let's try to find the other one if (acts_c) { for (; u < 32; u++) if ( (keys & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) { allActions[pl] |= acts_c & currentConfig.KeyBinds[u]; keys &= ~((1 << i) | (1 << u)); break; } } // add non-combo actions if combo ones were not found if (!acts_c || u == 32) allActions[pl] |= acts & ~kb_combo_acts; } else { allActions[pl] |= acts; } } } PicoPad[0] = allActions[0] & 0xfff; PicoPad[1] = allActions[1] & 0xfff; if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]); if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]); events = (allActions[0] | allActions[1]) >> 16; if ((events ^ prevEvents) & 0x40) { emu_changeFastForward(events & 0x40); reset_timing = 1; } events &= ~prevEvents; if (PicoAHW == PAHW_PICO) RunEventsPico(events, keys); if (events) RunEvents(events); if (movie_data) emu_updateMovie(); prevEvents = (allActions[0] | allActions[1]) >> 16; } 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 mp3_init_done = 0; char fpsbuff[24]; // fps count c string unsigned int tval, tval_thissec = 0; // timing int target_fps, target_frametime, lim_time, tval_diff, i, oldmodes = 0; int pframes_done, pframes_shown; // "period" frames, used for sync int frames_done, frames_shown, tval_fpsc = 0; // actual frames char *notice = NULL; lprintf("entered emu_Loop()\n"); fpsbuff[0] = 0; if (currentConfig.CPUclock != psp_get_cpu_clock()) { lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock); i = psp_set_cpu_clock(currentConfig.CPUclock); lprintf(i ? "failed\n" : "done\n"); currentConfig.CPUclock = psp_get_cpu_clock(); } // make sure we are in correct mode vidResetMode(); clearArea(1); Pico.m.dirtyPal = 1; oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; emu_findKeyBindCombos(); // 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; if (PicoAHW & PAHW_MCD) { // prepare CD buffer PicoCDBufferInit(); // mp3... if (!mp3_init_done) { i = mp3_init(); mp3_init_done = 1; if (i) { engineState = PGS_Menu; return; } } } // prepare sound stuff PsndOut = NULL; if (currentConfig.EmuOpt & 4) { sound_prepare(); } sceDisplayWaitVblankStart(); pframes_shown = pframes_done = frames_shown = frames_done = 0; tval_fpsc = sceKernelGetSystemTimeLow(); // loop? while (engineState == PGS_Running) { int modes; tval = sceKernelGetSystemTimeLow(); if (reset_timing || tval < tval_fpsc) { //stdbg("timing reset"); reset_timing = 0; tval_thissec = tval; pframes_shown = pframes_done = 0; } // show notice message? if (noticeMsgTime) { static int noticeMsgSum; if (tval - noticeMsgTime > 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); set_scaling_params(); } // second passed? if (tval - tval_fpsc >= 1000000) { if (currentConfig.EmuOpt & 2) sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done); frames_done = frames_shown = 0; tval_fpsc += 1000000; } if (tval - tval_thissec >= 1000000) { // missing 1 frame? if (currentConfig.Frameskip < 0 && pframes_done < target_fps) { SkipFrame(); pframes_done++; frames_done++; } tval_thissec += 1000000; if (currentConfig.Frameskip < 0) { pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0; pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0; if (pframes_shown > pframes_done) pframes_shown = pframes_done; } else { pframes_done = pframes_shown = 0; } } #ifdef PFRAMES sprintf(fpsbuff, "%i", Pico.m.frame_count); #endif lim_time = (pframes_done+1) * target_frametime; if (currentConfig.Frameskip >= 0) // frameskip enabled { for (i = 0; i < currentConfig.Frameskip; i++) { updateKeys(); SkipFrame(); pframes_done++; frames_done++; if (!(currentConfig.EmuOpt&0x40000)) { // do framelimitting if needed 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 && (pframes_done/16 < pframes_shown)) { // no time left for this frame - skip if (tval_diff - lim_time >= (300000<<8)) { reset_timing = 1; continue; } updateKeys(); SkipFrame(); pframes_done++; frames_done++; continue; } } updateKeys(); if (!(PicoOpt&0x10)) EmuScanPrepare(); PicoFrame(); sceGuSync(0,0); // check time tval = sceKernelGetSystemTimeLow(); tval_diff = (int)(tval - tval_thissec) << 8; blit2(fpsbuff, notice, tval_diff > lim_time); if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) { // slowdown detection reset_timing = 1; } else if (!(currentConfig.EmuOpt&0x40000) || 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)); } } pframes_done++; pframes_shown++; frames_done++; frames_shown++; } emu_changeFastForward(0); if (PicoAHW & PAHW_MCD) PicoCDBufferFree(); if (PsndOut != NULL) { PsndOut = NULL; sound_end(); } // save SRAM if ((currentConfig.EmuOpt & 1) && SRam.changed) { emu_msg_cb("Writing SRAM/BRAM.."); emu_SaveLoadGame(0, 1); SRam.changed = 0; } // clear fps counters and stuff memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4); } void emu_ResetGame(void) { PicoReset(); reset_timing = 1; } void emu_HandleResume(void) { if (!(PicoAHW & PAHW_MCD)) return; // reopen first CD track if (Pico_mcd->TOC.Tracks[0].F != NULL) { char *fname = romFileName; int len = strlen(romFileName); cue_data_t *cue_data = NULL; if (len > 4 && strcasecmp(fname + len - 4, ".cue") == 0) { cue_data = cue_parse(romFileName); if (cue_data != NULL) fname = cue_data->tracks[1].fname; } lprintf("emu_HandleResume: reopen %s\n", fname); pm_close(Pico_mcd->TOC.Tracks[0].F); Pico_mcd->TOC.Tracks[0].F = pm_open(fname); lprintf("reopen %s\n", Pico_mcd->TOC.Tracks[0].F != NULL ? "ok" : "failed"); if (cue_data != NULL) cue_destroy(cue_data); } mp3_reopen_file(); if (!(Pico_mcd->s68k_regs[0x36] & 1) && (Pico_mcd->scd.Status_CDC & 1)) cdda_start_play(); }