X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=psp%2Femu.c;fp=psp%2Femu.c;h=0000000000000000000000000000000000000000;hb=f506842df2b0e251b56ffe0a828bb2029d423eec;hp=feab5f56e5939a84eba20101cfcd4376465ca2c6;hpb=ca69c3e5a0ecf407c02dc85c6f3282ebb1efc5a2;p=libpicofe.git diff --git a/psp/emu.c b/psp/emu.c deleted file mode 100644 index feab5f5..0000000 --- a/psp/emu.c +++ /dev/null @@ -1,1068 +0,0 @@ -// (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 -#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(); - - -unsigned char *PicoDraw2FB = (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; -} - -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_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; -} - -/* FIXME: move to plat */ -void emu_Init(void) -{ - sound_init(); -} - -void emu_Deinit(void) -{ - sound_deinit(); -} - -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; -} - - -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_SPR_LO_ON_HI)) - { - 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_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) - 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, 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 = 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. - 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; - } - - } - - 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"); - } -} - -static void updateKeys(void) -{ - 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(); -} -