1 // (c) Copyright 2007 notaz, All rights reserved.
2 // Free for non-commercial use.
4 // For commercial use, separate licencing terms must be obtained.
8 #include <sys/syslimits.h> // PATH_MAX
10 #include <pspthreadman.h>
11 #include <pspdisplay.h>
20 #include "asm_utils.h"
21 #include "../common/emu.h"
22 #include "../common/config.h"
23 #include "../common/lprintf.h"
24 #include "../../Pico/PicoInt.h"
28 // additional pspaudio imports, credits to crazyc
29 int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown); // play with conversion?
30 int sceAudio_5C37C0AE(void); // end play?
31 int sceAudio_E0727056(int volume, void *buffer); // blocking output
32 int sceAudioOutput2GetRestSample();
35 char romFileName[PATH_MAX];
36 unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
37 int engineState = PGS_Menu;
39 static unsigned int noticeMsgTime = 0;
40 int reset_timing = 0; // do we need this?
43 static void sound_init(void);
44 static void sound_deinit(void);
45 static void blit2(const char *fps, const char *notice, int lagging_behind);
46 static void clearArea(int full);
48 void emu_noticeMsgUpdated(void)
50 noticeMsgTime = sceKernelGetSystemTimeLow();
53 void emu_getMainDir(char *dst, int len)
55 if (len > 0) *dst = 0;
58 static void osd_text(int x, const char *text, int is_active, int clear_all)
60 unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen;
61 int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2);
64 for (h = 0; h < 8; h++) {
65 p = (int *) (screen+x+512*(264+h));
66 p = (int *) ((int)p & ~3); // align
67 memset32_uncached(p, 0, len);
69 if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks
70 emu_textOut16(x, 264, text);
71 if (is_active) psp_screen = tmp;
74 void emu_msg_cb(const char *msg)
76 osd_text(4, msg, 1, 1);
77 noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000;
79 /* assumption: emu_msg_cb gets called only when something slow is about to happen */
83 static void emu_msg_tray_open(void)
85 strcpy(noticeMsg, "CD tray opened");
86 noticeMsgTime = sceKernelGetSystemTimeLow();
92 // make dirs for saves, cfgs, etc.
101 PicoMessage = emu_msg_cb;
102 PicoMCDopenTray = emu_msg_tray_open;
103 PicoMCDcloseTray = menu_loop_tray;
106 void emu_Deinit(void)
109 if ((currentConfig.EmuOpt & 1) && SRam.changed) {
110 emu_SaveLoadGame(0, 1);
114 if (!(currentConfig.EmuOpt & 0x20))
115 config_writelrom(PicoConfigFile);
121 void emu_prepareDefaultConfig(void)
123 memset(&defaultConfig, 0, sizeof(defaultConfig));
124 defaultConfig.EmuOpt = 0x1d | 0x680; // | <- confirm_save, cd_leds, acc rend
125 defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX;
126 defaultConfig.s_PsndRate = 22050;
127 defaultConfig.s_PicoRegion = 0; // auto
128 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
129 defaultConfig.s_PicoCDBuffers = 64;
130 defaultConfig.Frameskip = -1; // auto
131 defaultConfig.CPUclock = 333;
132 defaultConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU
133 defaultConfig.KeyBinds[ 6] = 1<<1;
134 defaultConfig.KeyBinds[ 7] = 1<<2;
135 defaultConfig.KeyBinds[ 5] = 1<<3;
136 defaultConfig.KeyBinds[14] = 1<<4;
137 defaultConfig.KeyBinds[13] = 1<<5;
138 defaultConfig.KeyBinds[15] = 1<<6;
139 defaultConfig.KeyBinds[ 3] = 1<<7;
140 defaultConfig.KeyBinds[12] = 1<<26; // switch rnd
141 defaultConfig.KeyBinds[ 8] = 1<<27; // save state
142 defaultConfig.KeyBinds[ 9] = 1<<28; // load state
143 defaultConfig.KeyBinds[28] = 1<<0; // num "buttons"
144 defaultConfig.KeyBinds[30] = 1<<1;
145 defaultConfig.KeyBinds[31] = 1<<2;
146 defaultConfig.KeyBinds[29] = 1<<3;
147 defaultConfig.scaling = 1; // bilinear filtering for psp
148 defaultConfig.scale = 1.20; // fullscreen
149 defaultConfig.hscale40 = 1.25;
150 defaultConfig.hscale32 = 1.56;
153 void emu_setDefaultConfig(void)
155 memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
156 PicoOpt = currentConfig.s_PicoOpt;
157 PsndRate = currentConfig.s_PsndRate;
158 PicoRegionOverride = currentConfig.s_PicoRegion;
159 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
160 PicoCDBuffers = currentConfig.s_PicoCDBuffers;
164 extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
165 extern void amips_clut_6bit(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
167 extern void (*amips_clut_f)(unsigned short *dst, unsigned char *src, unsigned short *pal, int count) = NULL;
175 static struct Vertex __attribute__((aligned(4))) g_vertices[2];
176 static unsigned short __attribute__((aligned(16))) localPal[0x100];
177 static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0;
178 static int fbimg_offs = 0;
180 static void set_scaling_params(void)
182 int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0;
183 g_vertices[0].x = g_vertices[0].y =
184 g_vertices[0].z = g_vertices[1].z = 0;
186 fbimg_height = (int)(240.0 * currentConfig.scale + 0.5);
187 if (Pico.video.reg[12] & 1) {
188 fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5);
191 fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5);
195 if (fbimg_width & 1) fbimg_width++; // make even
196 if (fbimg_height & 1) fbimg_height++;
198 if (fbimg_width >= 480) {
199 g_vertices[0].u = (fbimg_width-480)/2;
200 g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1;
205 g_vertices[1].u = src_width;
206 fbimg_xoffs = 240 - fbimg_width/2;
208 if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1;
210 if (fbimg_height >= 272) {
211 g_vertices[0].v = (fbimg_height-272)/2;
212 g_vertices[1].v = 240 - (fbimg_height-272)/2;
217 g_vertices[1].v = 240;
218 fbimg_yoffs = 136 - fbimg_height/2;
221 g_vertices[1].x = fbimg_width;
222 g_vertices[1].y = fbimg_height;
223 if (fbimg_xoffs < 0) fbimg_xoffs = 0;
224 if (fbimg_yoffs < 0) fbimg_yoffs = 0;
231 fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit
234 lprintf("set_scaling_params:\n");
235 lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs);
236 lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y);
237 lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v);
241 static void do_pal_update(int allow_sh, int allow_as)
243 unsigned int *dpal=(void *)localPal;
246 //for (i = 0x3f/2; i >= 0; i--)
247 // dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
248 do_pal_convert(localPal, Pico.cram, currentConfig.gamma, currentConfig.gamma2);
253 if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight?
256 for (i = 0x3f/2; i >= 0; i--)
257 dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x7bcf7bcf;
259 for (i = 0x3f; i >= 0; i--) {
260 int t=localPal[i]&0xf79e;t+=0x4208;
262 if (t&0x800) t|=0x780;
263 if (t&0x10000) t|=0xf000;
265 localPal[0x80|i]=(unsigned short)t;
269 else if (allow_as && (rendstatus & PDRAW_ACC_SPRITES))
271 memcpy32(localPal+0x40, localPal, 0x40);
272 memcpy32(localPal+0x80, localPal, 0x40);
273 memcpy32(localPal+0xc0, localPal, 0x40);
277 static void do_slowmode_lines(int line_to)
279 int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256;
280 unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2;
281 unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16;
282 if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; }
284 for (; line < line_to; line++, dst+=512, src+=512)
285 amips_clut_f(dst, src, localPal, line_len);
288 static void EmuScanPrepare(void)
290 HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
291 if (!(Pico.video.reg[1]&8)) HighCol += 8*512;
296 if ((rendstatus & PDRAW_ACC_SPRITES) && !(Pico.video.reg[0xC]&8))
297 amips_clut_f = amips_clut_6bit;
298 else amips_clut_f = amips_clut;
301 static int EmuScanSlowBegin(unsigned int num)
303 if (!(Pico.video.reg[1]&8)) num += 8;
305 if (!dynamic_palette)
306 HighCol = (unsigned char *)VRAM_CACHED_STUFF + num * 512 + 8;
311 static int EmuScanSlowEnd(unsigned int num)
313 if (!(Pico.video.reg[1]&8)) num += 8;
315 if (Pico.m.dirtyPal) {
316 if (!dynamic_palette) {
317 do_slowmode_lines(num);
323 if (dynamic_palette) {
324 int line_len = (Pico.video.reg[12]&1) ? 320 : 256;
325 void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num;
326 amips_clut_f(dst, HighCol + 8, localPal, line_len);
332 static void blitscreen_clut(void)
334 int offs = fbimg_offs;
335 offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
337 sceGuSync(0,0); // sync with prev
338 sceGuStart(GU_DIRECT, guCmdList);
339 sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
343 if (!blit_16bit_mode) {
344 sceGuTexMode(GU_PSM_5650, 0, 0, 0);
345 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240);
352 if (blit_16bit_mode) {
353 sceGuClutMode(GU_PSM_5650,0,0xff,0);
354 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
355 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
359 if ((PicoOpt&0x10) && Pico.m.dirtyPal)
362 sceKernelDcacheWritebackAll();
364 if (need_pal_upload) {
366 sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
371 if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x)
373 struct Vertex* vertices;
376 #define SLICE_WIDTH 32
377 for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH)
380 vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
381 memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex));
382 vertices[0].u = vertices[0].x = x;
383 vertices[1].u = vertices[1].x = x + SLICE_WIDTH;
384 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices);
386 // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only
390 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices);
396 static void cd_leds(void)
398 unsigned int reg, col_g, col_r, *p;
400 reg = Pico_mcd->s68k_regs[0];
402 p = (unsigned int *)((short *)psp_screen + 512*2+4+2);
403 col_g = (reg & 2) ? 0x06000600 : 0;
404 col_r = (reg & 1) ? 0x00180018 : 0;
405 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
406 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
407 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
411 static void dbg_text(void)
416 sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode);
417 len = strlen(text) * 8 / 2;
418 for (h = 0; h < 8; h++) {
419 p = (int *) ((unsigned short *) psp_screen+2+512*(256+h));
420 p = (int *) ((int)p & ~3); // align
421 memset32_uncached(p, 0, len);
423 emu_textOut16(2, 256, text);
427 /* called after rendering is done, but frame emulation is not finished */
434 // clear top and bottom trash
435 for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512)
436 memset32((int *)pd, 0xe0e0e0e0, 320/4);
437 for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
438 memset32((int *)pd, 0xe0e0e0e0, 320/4);
445 static void blit2(const char *fps, const char *notice, int lagging_behind)
447 int vsync = 0, emu_opt = currentConfig.EmuOpt;
449 if (notice || (emu_opt & 2)) {
450 if (notice) osd_text(4, notice, 0, 0);
451 if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0);
456 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))
459 if (currentConfig.EmuOpt & 0x2000) { // want vsync
460 if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1;
463 psp_video_flip(vsync);
466 // clears whole screen or just the notice area (in all buffers)
467 static void clearArea(int full)
470 memset32_uncached(psp_screen, 0, 512*272*2/4);
472 memset32_uncached(psp_screen, 0, 512*272*2/4);
473 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4);
474 memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4);
476 void *fb = psp_video_get_active_fb();
477 memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4);
478 memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4);
482 static void vidResetMode(void)
485 sceGuSync(0,0); // sync with prev
486 sceGuStart(GU_DIRECT, guCmdList);
488 sceGuClutMode(GU_PSM_5650,0,0xff,0);
489 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
490 sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
491 if (currentConfig.scaling)
492 sceGuTexFilter(GU_LINEAR, GU_LINEAR);
493 else sceGuTexFilter(GU_NEAREST, GU_NEAREST);
494 sceGuTexScale(1.0f,1.0f);
495 sceGuTexOffset(0.0f,0.0f);
497 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
500 PicoDrawSetColorFormat(-1);
501 PicoScanBegin = EmuScanSlowBegin;
502 PicoScanEnd = EmuScanSlowEnd;
506 blit_16bit_mode = dynamic_palette = 0;
509 set_scaling_params();
515 #define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152
516 #define SOUND_BLOCK_SIZE_PAL (1764*2)
517 #define SOUND_BLOCK_COUNT 8
519 static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2];
520 static short *snd_playptr = NULL, *sndBuffer_endptr = NULL;
521 static int samples_made = 0, samples_done = 0, samples_block = 0;
522 static int sound_thread_exit = 0;
523 static SceUID sound_sem = -1;
525 static void writeSound(int len);
527 static int sound_thread(SceSize args, void *argp)
531 lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority());
533 while (!sound_thread_exit)
535 if (samples_made - samples_done < samples_block) {
536 // wait for data (use at least 2 blocks)
537 //lprintf("sthr: wait... (%i)\n", samples_made - samples_done);
538 while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit)
539 ret = sceKernelWaitSema(sound_sem, 1, 0);
540 if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret);
544 // lprintf("sthr: got data: %i\n", samples_made - samples_done);
546 ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
548 samples_done += samples_block;
549 snd_playptr += samples_block;
550 if (snd_playptr >= sndBuffer_endptr)
551 snd_playptr = sndBuffer;
552 // 1.5 kernel returns 0, newer ones return # of samples queued
554 lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made);
556 // shouln't happen, but just in case
557 if (samples_made - samples_done >= samples_block*3) {
558 //lprintf("sthr: block skip (%i)\n", samples_made - samples_done);
559 samples_done += samples_block; // skip
560 snd_playptr += samples_block;
565 lprintf("sthr: exit\n");
566 sceKernelExitDeleteThread(0);
570 static void sound_init(void)
575 sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL);
576 if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem);
578 samples_made = samples_done = 0;
579 samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema
580 sound_thread_exit = 0;
581 thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL);
584 ret = sceKernelStartThread(thid, 0, 0);
585 if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret);
588 lprintf("sceKernelCreateThread failed: %i\n", thid);
591 static void sound_prepare(void)
593 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
596 samples_made = samples_done = 0;
598 if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
599 PsndRerate(Pico.m.frame_count ? 1 : 0);
601 stereo=(PicoOpt&8)>>3;
603 samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC;
604 if (PsndRate <= 22050) samples_block /= 2;
605 sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT];
607 lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n",
608 PsndRate, PsndLen, stereo, Pico.m.pal, samples_block);
610 // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
611 // sceAudio_5C37C0AE();
612 ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment
614 lprintf("sceAudio_38553111() failed: %i\n", ret);
615 sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
616 noticeMsgTime = sceKernelGetSystemTimeLow();
617 currentConfig.EmuOpt &= ~4;
619 PicoWriteSound = writeSound;
620 memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
621 snd_playptr = sndBuffer_endptr - samples_block;
622 samples_made = samples_block; // send 1 empty block first..
624 PsndRate_old = PsndRate;
625 PicoOpt_old = PicoOpt;
626 pal_old = Pico.m.pal;
630 static void sound_end(void)
633 if (samples_done == 0)
635 // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls,
636 // we get a deadlock on next sceAudio_38553111 call
637 // so this is yet another workaround:
638 memset32((int *)(void *)sndBuffer, 0, samples_block*4/4);
639 samples_made = samples_block * 3;
640 sceKernelSignalSema(sound_sem, 1);
642 sceKernelDelayThread(100*1000);
643 samples_made = samples_done = 0;
644 for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++)
649 static void sound_deinit(void)
651 sound_thread_exit = 1;
652 sceKernelSignalSema(sound_sem, 1);
653 sceKernelDeleteSema(sound_sem);
657 static void writeSound(int len)
660 if (PicoOpt&8) len<<=1;
663 /*if (PsndOut > sndBuffer_endptr) {
664 memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
665 PsndOut = &sndBuffer[PsndOut - endptr];
669 if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr);
670 if (PsndOut >= sndBuffer_endptr)
673 // signal the snd thread
675 if (samples_made - samples_done > samples_block*2) {
676 // lprintf("signal, %i/%i\n", samples_done, samples_made);
677 ret = sceKernelSignalSema(sound_sem, 1);
678 //if (ret < 0) lprintf("snd signal ret %08x\n", ret);
683 static void SkipFrame(void)
690 void emu_forcedFrame(int opts)
692 int po_old = PicoOpt;
693 int eo_old = currentConfig.EmuOpt;
696 PicoOpt |= opts|POPT_ACC_SPRITES
697 currentConfig.EmuOpt |= 0x80;
700 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
701 memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
702 memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
704 PicoDrawSetColorFormat(-1);
705 PicoScanBegin = EmuScanSlowBegin;
706 PicoScanEnd = EmuScanSlowEnd;
713 currentConfig.EmuOpt = eo_old;
717 static void RunEvents(unsigned int which)
719 if (which & 0x1800) // save or load (but not both)
723 if ( emu_checkSaveFile(state_slot) &&
724 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load
725 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save
729 blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0);
730 while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) )
732 if (keys & BTN_CIRCLE) do_it = 0;
733 while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release
740 osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0);
741 PicoStateProgressCB = emu_msg_cb;
742 emu_SaveLoadGame((which & 0x1000) >> 12, 0);
743 PicoStateProgressCB = NULL;
749 if (which & 0x0400) // switch renderer
751 if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }
752 else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
757 strcpy(noticeMsg, "fast renderer");
758 else if (currentConfig.EmuOpt&0x80)
759 strcpy(noticeMsg, "accurate renderer");
761 noticeMsgTime = sceKernelGetSystemTimeLow();
767 if(state_slot < 0) state_slot = 9;
770 if(state_slot > 9) state_slot = 0;
772 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");
773 noticeMsgTime = sceKernelGetSystemTimeLow();
777 static void updateKeys(void)
779 unsigned int keys, allActions[2] = { 0, 0 }, events;
780 static unsigned int prevEvents = 0;
783 keys = psp_pad_read(0);
784 if (keys & PSP_CTRL_HOME)
785 sceDisplayWaitVblankStart();
787 if (keys & BTN_SELECT)
788 engineState = PGS_Menu;
790 keys &= CONFIGURABLE_KEYS;
792 for (i = 0; i < 32; i++)
796 int pl, acts = currentConfig.KeyBinds[i];
798 pl = (acts >> 16) & 1;
799 if (kb_combo_keys & (1 << i))
801 int u = i+1, acts_c = acts & kb_combo_acts;
802 // let's try to find the other one
805 if ( (keys & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) {
806 allActions[pl] |= acts_c & currentConfig.KeyBinds[u];
807 keys &= ~((1 << i) | (1 << u));
811 // add non-combo actions if combo ones were not found
812 if (!acts_c || u == 32)
813 allActions[pl] |= acts & ~kb_combo_acts;
815 allActions[pl] |= acts;
820 PicoPad[0] = (unsigned short) allActions[0];
821 PicoPad[1] = (unsigned short) allActions[1];
823 events = (allActions[0] | allActions[1]) >> 16;
825 events &= ~prevEvents;
826 if (events) RunEvents(events);
827 if (movie_data) emu_updateMovie();
829 prevEvents = (allActions[0] | allActions[1]) >> 16;
833 static void simpleWait(unsigned int until)
838 tval = sceKernelGetSystemTimeLow();
839 diff = (int)until - (int)tval;
840 if (diff >= 512 && diff < 100*1024)
841 sceKernelDelayThread(diff);
846 static int mp3_init_done = 0;
847 char fpsbuff[24]; // fps count c string
848 unsigned int tval, tval_thissec = 0; // timing
849 int target_fps, target_frametime, lim_time, tval_diff, i, oldmodes = 0;
850 int pframes_done, pframes_shown; // "period" frames, used for sync
851 int frames_done, frames_shown, tval_fpsc = 0; // actual frames
854 lprintf("entered emu_Loop()\n");
858 if (currentConfig.CPUclock != psp_get_cpu_clock()) {
859 lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock);
860 i = psp_set_cpu_clock(currentConfig.CPUclock);
861 lprintf(i ? "failed\n" : "done\n");
862 currentConfig.CPUclock = psp_get_cpu_clock();
865 // make sure we are in correct mode
869 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
870 emu_findKeyBindCombos();
872 // pal/ntsc might have changed, reset related stuff
873 target_fps = Pico.m.pal ? 50 : 60;
874 target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1;
877 if (PicoAHW & PAHW_MCD) {
881 if (!mp3_init_done) {
884 if (i) { engineState = PGS_Menu; return; }
888 // prepare sound stuff
890 if (currentConfig.EmuOpt & 4)
895 sceDisplayWaitVblankStart();
896 pframes_shown = pframes_done =
897 frames_shown = frames_done = 0;
899 tval_fpsc = sceKernelGetSystemTimeLow();
902 while (engineState == PGS_Running)
906 tval = sceKernelGetSystemTimeLow();
907 if (reset_timing || tval < tval_fpsc) {
908 //stdbg("timing reset");
911 pframes_shown = pframes_done = 0;
914 // show notice message?
916 static int noticeMsgSum;
917 if (tval - noticeMsgTime > 2000000) { // > 2.0 sec
922 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];
923 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }
928 // check for mode changes
929 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);
930 if (modes != oldmodes) {
933 set_scaling_params();
937 if (tval - tval_fpsc >= 1000000)
939 if (currentConfig.EmuOpt & 2)
940 sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);
941 frames_done = frames_shown = 0;
942 tval_fpsc += 1000000;
945 if (tval - tval_thissec >= 1000000)
948 if (currentConfig.Frameskip < 0 && pframes_done < target_fps) {
949 SkipFrame(); pframes_done++; frames_done++;
952 tval_thissec += 1000000;
954 if (currentConfig.Frameskip < 0) {
955 pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;
956 pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;
957 if (pframes_shown > pframes_done) pframes_shown = pframes_done;
959 pframes_done = pframes_shown = 0;
963 sprintf(fpsbuff, "%i", Pico.m.frame_count);
966 lim_time = (pframes_done+1) * target_frametime;
967 if (currentConfig.Frameskip >= 0) // frameskip enabled
969 for (i = 0; i < currentConfig.Frameskip; i++) {
971 SkipFrame(); pframes_done++; frames_done++;
972 if (!(currentConfig.EmuOpt&0x40000)) { // do framelimitting if needed
974 tval = sceKernelGetSystemTimeLow();
975 tval_diff = (int)(tval - tval_thissec) << 8;
976 if (tval_diff < lim_time) // we are too fast
977 simpleWait(tval + ((lim_time - tval_diff)>>8));
979 lim_time += target_frametime;
982 else // auto frameskip
985 tval = sceKernelGetSystemTimeLow();
986 tval_diff = (int)(tval - tval_thissec) << 8;
987 if (tval_diff > lim_time && (pframes_done/16 < pframes_shown))
989 // no time left for this frame - skip
990 if (tval_diff - lim_time >= (300000<<8)) {
995 SkipFrame(); pframes_done++; frames_done++;
1002 if (!(PicoOpt&0x10))
1010 tval = sceKernelGetSystemTimeLow();
1011 tval_diff = (int)(tval - tval_thissec) << 8;
1013 blit2(fpsbuff, notice, tval_diff > lim_time);
1015 if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) { // slowdown detection
1018 else if (!(currentConfig.EmuOpt&0x40000) || currentConfig.Frameskip < 0)
1020 // sleep if we are still too fast
1021 if (tval_diff < lim_time)
1024 simpleWait(tval + ((lim_time - tval_diff) >> 8));
1028 pframes_done++; pframes_shown++;
1029 frames_done++; frames_shown++;
1033 if (PicoAHW & PAHW_MCD) PicoCDBufferFree();
1035 if (PsndOut != NULL) {
1041 if ((currentConfig.EmuOpt & 1) && SRam.changed) {
1042 emu_msg_cb("Writing SRAM/BRAM..");
1043 emu_SaveLoadGame(0, 1);
1047 // clear fps counters and stuff
1048 memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
1052 void emu_ResetGame(void)
1058 void emu_HandleResume(void)
1060 if (!(PicoAHW & PAHW_MCD)) return;
1063 if (Pico_mcd->TOC.Tracks[0].F != NULL)
1065 lprintf("emu_HandleResume: reopen %s\n", romFileName);
1066 pm_close(Pico_mcd->TOC.Tracks[0].F);
1067 Pico_mcd->TOC.Tracks[0].F = pm_open(romFileName);
1068 lprintf("reopen %s\n", Pico_mcd->TOC.Tracks[0].F != NULL ? "ok" : "failed");