X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Fpsp%2Femu.c;h=8542a8fbacd270817183374bf23c66eff6180a64;hb=8ab3e3c1cf696cb776b14ab511f98aa8ab22797e;hp=0d22e429a9f28aab31bc5c5be3a431d7c0f80676;hpb=1820b5a7a18fc8c37dddb2ab88159e513ceb3b16;p=picodrive.git diff --git a/platform/psp/emu.c b/platform/psp/emu.c index 0d22e42..8542a8f 100644 --- a/platform/psp/emu.c +++ b/platform/psp/emu.c @@ -2,33 +2,78 @@ #include #include // PATH_MAX +#include +#include +#include +#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 380 +#else +#define OSD_FPS_X 420 +#endif + char romFileName[PATH_MAX]; -unsigned char *PicoDraw2FB; // temporary buffer for alt renderer ( (8+320)*(8+240+8) ) +unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword.. 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 blit2(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 osd_text(int x, const char *text, int is_active) { + unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen; + int len = 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(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_setDefaultConfig(void) +void emu_msg_cb(const char *msg) { + osd_text(4, msg, 1); + noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000; + + /* assumption: emu_msg_cb gets called only when something slow is about to happen */ + reset_timing = 1; } -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 +83,15 @@ 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 +109,790 @@ 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.CPUclock = 222; + 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[ 8] = 1<<27; // save state + currentConfig.KeyBinds[ 9] = 1<<28; // load state + currentConfig.PicoCDBuffers = 0; + currentConfig.scaling = 1; // bilinear filtering for psp + currentConfig.scale = currentConfig.hscale32 = currentConfig.hscale40 = 1.0; +} + + +extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count); + +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; + 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 >= 480) { + g_vertices[0].u = (fbimg_width-480)/2; + g_vertices[1].u = src_width - (fbimg_width-480)/2; + 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_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; + 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_slowmode_pal(void) +{ + unsigned int *spal=(void *)Pico.cram; + 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); + + if (Pico.video.reg[0xC]&8) // shadow/hilight? + { + // shadowed pixels + for (i = 0x3f/2; i >= 0; i--) + dpal[0x20|i] = dpal[0x60|i] = (spal[i]>>1)&0x738e738e; + // hilighted pixels + for (i = 0x3f; i >= 0; i--) { + int t=localPal[i]&0xe71c;t+=0x4208; + if (t&0x20) t|=0x1c; + if (t&0x800) t|=0x700; + if (t&0x10000) t|=0xe000; + t&=0xe71c; + localPal[0x80|i]=(unsigned short)t; + } + localPal[0xe0] = 0; + } + Pico.m.dirtyPal = 0; + need_pal_upload = 1; +} + +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(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; + + dynamic_palette = 0; + if (Pico.m.dirtyPal) + do_slowmode_pal(); +} + +static int EmuScanSlow(unsigned int num, void *sdata) +{ + if (!(Pico.video.reg[1]&8)) num += 8; + + if (Pico.m.dirtyPal) { + if (!dynamic_palette) { + do_slowmode_lines(num); + dynamic_palette = 1; + } + do_slowmode_pal(); + } + + 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(dst, HighCol + 8, localPal, line_len); + } else + HighCol = (unsigned char *)VRAM_CACHED_STUFF + (num+1)*512 + 8; + + return 0; +} + +static void blitscreen_clut(void) +{ + int offs = fbimg_offs; + offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1; + + sceKernelDcacheWritebackAll(); + + 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) { + 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) + { + int i, *dpal = (void *)localPal, *spal = (int *)Pico.cram; + for (i = 0x3f/2; i >= 0; i--) + dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4); + localPal[0xe0] = 0; + Pico.m.dirtyPal = 0; + need_pal_upload = 1; + } + + 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) +{ + 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 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(p, 0, len); + } + emu_textOut16(2, 256, text); +} + + +/* 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); + } + + blitscreen_clut(); +} + + +static void blit2(const char *fps, const char *notice) +{ + int emu_opt = currentConfig.EmuOpt; + + sceGuSync(0,0); + + if (notice || (emu_opt & 2)) { + if (notice) osd_text(4, notice, 0); + if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0); + } + + dbg_text(); + + 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); + 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((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) +{ + // 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); + PicoScan = EmuScanSlow; + + localPal[0xe0] = 0; + Pico.m.dirtyPal = 1; + blit_16bit_mode = dynamic_palette = 0; + + sceGuFinish(); + set_scaling_params(); + sceGuSync(0,0); +} + +/* +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; + + vidResetMode(); + memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders + memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4); + + PicoDrawSetColorFormat(-1); + PicoScan = EmuScanSlow; + EmuScanPrepare(); + PicoFrameDrawOnly(); + blit1(); + sceGuSync(0,0); + + 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; + blit2("", (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", 1); + 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, " 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 & 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 (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; + + 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; + 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); + set_scaling_params(); + } + + // 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)) + EmuScanPrepare(); + + PicoFrame(); + + blit2(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_msg_cb("Writing SRAM/BRAM.."); + emu_SaveLoadGame(0, 1); + SRam.changed = 0; + } +} + + void emu_ResetGame(void) { PicoReset(0); - //reset_timing = 1; + reset_timing = 1; }