X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Fpsp%2Femu.c;h=8373a21a3a030b013b85feaf6e3912de6f923ed4;hb=fdcfd323747dceacb1ec2e86919d437896635bb7;hp=0d22e429a9f28aab31bc5c5be3a431d7c0f80676;hpb=1820b5a7a18fc8c37dddb2ab88159e513ceb3b16;p=picodrive.git diff --git a/platform/psp/emu.c b/platform/psp/emu.c index 0d22e42..8373a21 100644 --- a/platform/psp/emu.c +++ b/platform/psp/emu.c @@ -1,76 +1,1071 @@ +/* + * PicoDrive + * (C) notaz, 2007,2008 + * + * This work is licensed under the terms of MAME license. + * See COPYING file in the top-level directory. + */ + #include #include #include // PATH_MAX -#include "../../Pico/PicoInt.h" +#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 +#include + +#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; // temporary buffer for alt renderer ( (8+320)*(8+240+8) ) -int engineState; +//unsigned char *Draw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword.. +int engineStateSuspend; +#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); + +int plat_get_root_dir(char *dst, int len) +{ + if (len > 0) *dst = 0; + return 0; +} -void emu_noticeMsgUpdated(void) +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_text_out16(x, 264, text); + if (is_active) psp_screen = tmp; } -void emu_getMainDir(char *dst, int len) +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; } -void emu_stateCb(const char *str) +/* FIXME: move to plat */ +void emu_Init(void) { + sound_init(); } -void emu_setDefaultConfig(void) +void emu_Deinit(void) { + sound_deinit(); } -void emu_forcedFrame(void) +void pemu_prep_defconfig(void) { + defaultConfig.s_PsndRate = 22050; + defaultConfig.s_PicoCDBuffers = 64; + 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; } -void emu_Init(void) + +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) { - // make dirs for saves, cfgs, etc. - mkdir("mds", 0777); - mkdir("srm", 0777); - mkdir("brm", 0777); - mkdir("cfg", 0777); + 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; + } - PicoInit(); -// PicoMessage = emu_msg_cb; -// PicoMCDopenTray = emu_msg_tray_open; -// PicoMCDcloseTray = menu_loop_tray; + 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); + */ } -void emu_Deinit(void) +static void do_pal_update(int allow_sh, int allow_as) { - // save SRAM -/* if ((currentConfig.EmuOpt & 1) && SRam.changed) { - emu_SaveLoadGame(0, 1); - SRam.changed = 0; + 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 && (Pico.est.rendstatus & PDRAW_SPR_LO_ON_HI)) + { + memcpy(dpal + 0x80/2, localPal, 0x40*2); + } +} + +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) +{ + Pico.est.HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8; + if (!(Pico.video.reg[1]&8)) Pico.est.HighCol += 8*512; + + if (dynamic_palette > 0) + dynamic_palette--; + + if (Pico.m.dirtyPal) + do_pal_update(1, 1); + if ((Pico.est.rendstatus & PDRAW_SPR_LO_ON_HI) && !(Pico.video.reg[0xC]&8)) + amips_clut_f = amips_clut_6bit; + else amips_clut_f = amips_clut; +} + +static int EmuScanSlowBegin(unsigned int num) +{ + if (!dynamic_palette) + Pico.est.HighCol = (unsigned char *)VRAM_CACHED_STUFF + num * 512 + 8; + + return 0; +} + +static int EmuScanSlowEnd(unsigned int num) +{ + 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, Pico.est.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_text_out16(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 = Pico.est.Draw2FB+8, i = 8; i > 0; i--, pd += 512) + memset32((int *)pd, 0xe0e0e0e0, 320/4); + for (pd = Pico.est.Draw2FB+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. + PicoDrawSetOutFormat(PDF_NONE, 0); + PicoDrawSetCallbacks(EmuScanSlowBegin, 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 plat_debug_cat(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; + } + } - if (!(currentConfig.EmuOpt & 0x20)) { - FILE *f = fopen(PicoConfigFile, "r+b"); - if (!f) emu_WriteConfig(0); - else { - // if we already have config, reload it, except last ROM - fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET); - fread(¤tConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f); - fseek(f, 0, SEEK_SET); - fwrite(¤tConfig, 1, sizeof(currentConfig), f); - fflush(f); - fclose(f); + 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); +} + +void pemu_sound_start(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); + emu_status_msg("sound init failed (%i), snd disabled", ret); + currentConfig.EmuOpt &= ~EOPT_EN_SOUND; + } 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; + } +} + +void pemu_sound_stop(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(); +} + +/* wait until we can write more sound */ +void pemu_sound_wait(void) +{ + // TODO: test this + while (!sound_thread_exit && samples_made - samples_done > samples_block * 4) + psp_msleep(10); +} + +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; + + PsndOut += len / 2; + /*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 / 2; + 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 pemu_forced_frame(int no_scale, int do_emu) +{ + int po_old = PicoOpt; + int eo_old = currentConfig.EmuOpt; + + PicoOpt &= ~POPT_ALT_RENDERER; + PicoOpt |= POPT_ACC_SPRITES; + if (!no_scale) + PicoOpt |= POPT_EN_SOFTSCALE; + 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); + + PicoDrawSetOutFormat(PDF_NONE, 0); + PicoDrawSetCallbacks(EmuScanSlowBegin, 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 & PBTN_UP) { pico_pen_y--; if (pico_pen_y < 8) pico_pen_y = 8; } + if (keys & PBTN_DOWN) { pico_pen_y++; if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y; } + if (keys & PBTN_LEFT) { pico_pen_x--; if (pico_pen_x < 0) pico_pen_x = 0; } + if (keys & PBTN_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_check_save_file(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)) & (PBTN_X|PBTN_CIRCLE)) ) + psp_msleep(50); + if (keys & PBTN_CIRCLE) do_it = 0; + while( ((keys = psp_pad_read(1)) & (PBTN_X|PBTN_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_save_load_game((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 & POPT_ALT_RENDERER) + emu_status_msg("fast renderer"); + else if (currentConfig.EmuOpt&0x80) + emu_status_msg("accurate renderer"); + } + 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; } + emu_status_msg("SAVE SLOT %i [%s]", state_slot, + emu_check_save_file(state_slot) ? "USED" : "FREE"); } -*/ - PicoExit(); } -void emu_ResetGame(void) +static void updateKeys(void) { - PicoReset(0); - //reset_timing = 1; + unsigned int keys, allActions[2] = { 0, 0 }, events; + static unsigned int prevEvents = 0; + int i; + + /* FIXME: port to input fw, merge with emu.c:emu_update_input() */ + keys = psp_pad_read(0); + if (keys & PSP_CTRL_HOME) + sceDisplayWaitVblankStart(); + + if (keys & PBTN_SELECT) + engineState = PGS_Menu; + + keys &= CONFIGURABLE_KEYS; + + 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_set_fastforward(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 pemu_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; + + // 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 & EOPT_EN_SOUND) + { + pemu_sound_start(); + } + + 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_set_fastforward(0); + + if (PicoAHW & PAHW_MCD) PicoCDBufferFree(); + + if (PsndOut != NULL) { + pemu_sound_stop(); + PsndOut = NULL; + } + + // save SRAM + if ((currentConfig.EmuOpt & 1) && SRam.changed) { + emu_msg_cb("Writing SRAM/BRAM.."); + emu_save_load_game(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_HandleResume(void) +{ + if (!(PicoAHW & PAHW_MCD)) return; + + // reopen first CD track + if (Pico_mcd->TOC.Tracks[0].F != NULL) + { + char *fname = rom_fname_reload; + int len = strlen(rom_fname_reload); + cue_data_t *cue_data = NULL; + + if (len > 4 && strcasecmp(fname + len - 4, ".cue") == 0) + { + cue_data = cue_parse(rom_fname_reload); + 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(); }