3 #include <sys/syslimits.h> // PATH_MAX
5 #include <pspthreadman.h>
6 #include <pspdisplay.h>
15 #include "../common/emu.h"
16 #include "../common/lprintf.h"
17 #include "../../Pico/PicoInt.h"
21 // additional pspaudio imports, credits to crazyc
22 int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown); // play with conversion?
23 int sceAudio_5C37C0AE(void); // end play?
24 int sceAudio_E0727056(int volume, void *buffer); // blocking output
25 int sceAudioOutput2GetRestSample();
28 char romFileName[PATH_MAX];
29 unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
32 static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos
33 static unsigned int noticeMsgTime = 0;
34 int reset_timing = 0; // do we need this?
37 static void sound_init(void);
38 static void sound_deinit(void);
39 static void blit2(const char *fps, const char *notice, int lagging_behind);
40 static void clearArea(int full);
42 void emu_noticeMsgUpdated(void)
44 noticeMsgTime = sceKernelGetSystemTimeLow();
47 void emu_getMainDir(char *dst, int len)
49 if (len > 0) *dst = 0;
52 static void osd_text(int x, const char *text, int is_active, int clear_all)
54 unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen;
55 int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2);
58 for (h = 0; h < 8; h++) {
59 p = (int *) (screen+x+512*(264+h));
60 p = (int *) ((int)p & ~3); // align
61 memset32_uncached(p, 0, len);
63 if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks
64 emu_textOut16(x, 264, text);
65 if (is_active) psp_screen = tmp;
68 void emu_msg_cb(const char *msg)
70 osd_text(4, msg, 1, 1);
71 noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000;
73 /* assumption: emu_msg_cb gets called only when something slow is about to happen */
77 static void emu_msg_tray_open(void)
79 strcpy(noticeMsg, "CD tray opened");
80 noticeMsgTime = sceKernelGetSystemTimeLow();
86 // make dirs for saves, cfgs, etc.
95 PicoMessage = emu_msg_cb;
96 PicoMCDopenTray = emu_msg_tray_open;
97 PicoMCDcloseTray = menu_loop_tray;
100 void emu_Deinit(void)
103 if ((currentConfig.EmuOpt & 1) && SRam.changed) {
104 emu_SaveLoadGame(0, 1);
108 if (!(currentConfig.EmuOpt & 0x20)) {
109 FILE *f = fopen(PicoConfigFile, "r+b");
110 if (!f) emu_WriteConfig(0);
112 // if we already have config, reload it, except last ROM
113 fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET);
114 fread(¤tConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f);
115 fseek(f, 0, SEEK_SET);
116 fwrite(¤tConfig, 1, sizeof(currentConfig), f);
126 void emu_setDefaultConfig(void)
128 memset(¤tConfig, 0, sizeof(currentConfig));
129 currentConfig.lastRomFile[0] = 0;
130 currentConfig.EmuOpt = 0x1d | 0x680; // | confirm_save, cd_leds, acc rend
131 currentConfig.PicoOpt = 0x0f | 0x1c00; // | gfx_cd, cd_pcm, cd_cdda
132 currentConfig.PsndRate = 22050;
133 currentConfig.PicoRegion = 0; // auto
134 currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP
135 currentConfig.Frameskip = -1; // auto
136 currentConfig.volume = 50;
137 currentConfig.CPUclock = 333;
138 currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU
139 currentConfig.KeyBinds[ 6] = 1<<1;
140 currentConfig.KeyBinds[ 7] = 1<<2;
141 currentConfig.KeyBinds[ 5] = 1<<3;
142 currentConfig.KeyBinds[14] = 1<<4;
143 currentConfig.KeyBinds[13] = 1<<5;
144 currentConfig.KeyBinds[15] = 1<<6;
145 currentConfig.KeyBinds[ 3] = 1<<7;
146 currentConfig.KeyBinds[12] = 1<<26; // switch rnd
147 currentConfig.KeyBinds[ 8] = 1<<27; // save state
148 currentConfig.KeyBinds[ 9] = 1<<28; // load state
149 currentConfig.KeyBinds[28] = 1<<0; // num "buttons"
150 currentConfig.KeyBinds[30] = 1<<1;
151 currentConfig.KeyBinds[31] = 1<<2;
152 currentConfig.KeyBinds[29] = 1<<3;
153 currentConfig.PicoCDBuffers = 64;
154 currentConfig.scaling = 1; // bilinear filtering for psp
155 currentConfig.scale = 1.20; // fullscreen
156 currentConfig.hscale40 = 1.25;
157 currentConfig.hscale32 = 1.56;
161 extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
169 static struct Vertex __attribute__((aligned(4))) g_vertices[2];
170 static unsigned short __attribute__((aligned(16))) localPal[0x100];
171 static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0;
172 static int fbimg_offs = 0;
174 static void set_scaling_params(void)
176 int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0;
177 g_vertices[0].x = g_vertices[0].y =
178 g_vertices[0].z = g_vertices[1].z = 0;
180 fbimg_height = (int)(240.0 * currentConfig.scale + 0.5);
181 if (Pico.video.reg[12] & 1) {
182 fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5);
185 fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5);
189 if (fbimg_width & 1) fbimg_width++; // make even
190 if (fbimg_height & 1) fbimg_height++;
192 if (fbimg_width >= 480) {
193 g_vertices[0].u = (fbimg_width-480)/2;
194 g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1;
195 if (fbimg_width == 480) border_hack = 1;
200 g_vertices[1].u = src_width;
201 fbimg_xoffs = 240 - fbimg_width/2;
204 if (fbimg_height >= 272) {
205 g_vertices[0].v = (fbimg_height-272)/2;
206 g_vertices[1].v = 240 - (fbimg_height-272)/2;
211 g_vertices[1].v = 240;
212 fbimg_yoffs = 136 - fbimg_height/2;
215 g_vertices[1].x = fbimg_width;
216 g_vertices[1].y = fbimg_height;
217 if (fbimg_xoffs < 0) fbimg_xoffs = 0;
218 if (fbimg_yoffs < 0) fbimg_yoffs = 0;
225 fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit
228 lprintf("set_scaling_params:\n");
229 lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs);
230 lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y);
231 lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v);
235 static void do_pal_update(int allow_sh)
237 unsigned int *spal=(void *)Pico.cram;
238 unsigned int *dpal=(void *)localPal;
241 for (i = 0x3f/2; i >= 0; i--)
242 dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
244 if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight?
247 for (i = 0x3f/2; i >= 0; i--)
248 dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x738e738e;
250 for (i = 0x3f; i >= 0; i--) {
251 int t=localPal[i]&0xe71c;t+=0x4208;
253 if (t&0x800) t|=0x700;
254 if (t&0x10000) t|=0xe000;
256 localPal[0x80|i]=(unsigned short)t;
264 static void do_slowmode_lines(int line_to)
266 int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256;
267 unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2;
268 unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16;
269 if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; }
271 for (; line < line_to; line++, dst+=512, src+=512)
272 amips_clut(dst, src, localPal, line_len);
275 static void EmuScanPrepare(void)
277 HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
278 if (!(Pico.video.reg[1]&8)) HighCol += 8*512;
285 static int EmuScanSlow(unsigned int num, void *sdata)
287 if (!(Pico.video.reg[1]&8)) num += 8;
289 if (Pico.m.dirtyPal) {
290 if (!dynamic_palette) {
291 do_slowmode_lines(num);
297 if (dynamic_palette) {
298 int line_len = (Pico.video.reg[12]&1) ? 320 : 256;
299 void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num;
300 amips_clut(dst, HighCol + 8, localPal, line_len);
302 HighCol = (unsigned char *)VRAM_CACHED_STUFF + (num+1)*512 + 8;
307 static void blitscreen_clut(void)
309 int offs = fbimg_offs;
310 offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
312 sceGuSync(0,0); // sync with prev
313 sceGuStart(GU_DIRECT, guCmdList);
314 sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
318 if (!blit_16bit_mode) {
319 sceGuTexMode(GU_PSM_5650, 0, 0, 0);
320 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240);
327 if (blit_16bit_mode) {
328 sceGuClutMode(GU_PSM_5650,0,0xff,0);
329 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
330 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
334 if ((PicoOpt&0x10) && Pico.m.dirtyPal)
337 sceKernelDcacheWritebackAll();
339 if (need_pal_upload) {
341 sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
346 if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x)
348 struct Vertex* vertices;
351 #define SLICE_WIDTH 32
352 for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH)
355 vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
356 memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex));
357 vertices[0].u = vertices[0].x = x;
358 vertices[1].u = vertices[1].x = x + SLICE_WIDTH;
359 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices);
361 // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only
365 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices);
371 static void cd_leds(void)
373 unsigned int reg, col_g, col_r, *p;
375 reg = Pico_mcd->s68k_regs[0];
377 p = (unsigned int *)((short *)psp_screen + 512*2+4+2);
378 col_g = (reg & 2) ? 0x06000600 : 0;
379 col_r = (reg & 1) ? 0x00180018 : 0;
380 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
381 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
382 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
386 static void dbg_text(void)
391 sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode);
392 len = strlen(text) * 8 / 2;
393 for (h = 0; h < 8; h++) {
394 p = (int *) ((unsigned short *) psp_screen+2+512*(256+h));
395 p = (int *) ((int)p & ~3); // align
396 memset32_uncached(p, 0, len);
398 emu_textOut16(2, 256, text);
402 /* called after rendering is done, but frame emulation is not finished */
409 // clear top and bottom trash
410 for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512)
411 memset32((int *)pd, 0xe0e0e0e0, 320/4);
412 for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
413 memset32((int *)pd, 0xe0e0e0e0, 320/4);
420 static void blit2(const char *fps, const char *notice, int lagging_behind)
422 int vsync = 0, emu_opt = currentConfig.EmuOpt;
424 if (notice || (emu_opt & 2)) {
425 if (notice) osd_text(4, notice, 0, 0);
426 if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0);
431 if ((emu_opt & 0x400) && (PicoMCD & 1))
434 if (currentConfig.EmuOpt & 0x2000) { // want vsync
435 if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1;
438 psp_video_flip(vsync);
441 // clears whole screen or just the notice area (in all buffers)
442 static void clearArea(int full)
445 memset32_uncached(psp_screen, 0, 512*272*2/4);
447 memset32_uncached(psp_screen, 0, 512*272*2/4);
448 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4);
449 memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4);
451 void *fb = psp_video_get_active_fb();
452 memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4);
453 memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4);
457 static void vidResetMode(void)
460 sceGuSync(0,0); // sync with prev
461 sceGuStart(GU_DIRECT, guCmdList);
463 sceGuClutMode(GU_PSM_5650,0,0xff,0);
464 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
465 sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
466 if (currentConfig.scaling)
467 sceGuTexFilter(GU_LINEAR, GU_LINEAR);
468 else sceGuTexFilter(GU_NEAREST, GU_NEAREST);
469 sceGuTexScale(1.0f,1.0f);
470 sceGuTexOffset(0.0f,0.0f);
472 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
475 PicoDrawSetColorFormat(-1);
476 PicoScan = EmuScanSlow;
480 blit_16bit_mode = dynamic_palette = 0;
483 set_scaling_params();
489 #define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152
490 #define SOUND_BLOCK_SIZE_PAL (1764*2)
491 #define SOUND_BLOCK_COUNT 8
493 static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2];
494 static short *snd_playptr = NULL, *sndBuffer_endptr = NULL;
495 static int samples_made = 0, samples_done = 0, samples_block = 0;
496 static int sound_thread_exit = 0;
497 static SceUID sound_sem = -1;
499 static void writeSound(int len);
501 static int sound_thread(SceSize args, void *argp)
505 lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority());
507 while (!sound_thread_exit)
509 if (samples_made - samples_done < samples_block) {
510 // wait for data (use at least 2 blocks)
511 //lprintf("sthr: wait... (%i)\n", samples_made - samples_done);
512 while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit)
513 ret = sceKernelWaitSema(sound_sem, 1, 0);
514 if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret);
518 // lprintf("sthr: got data: %i\n", samples_made - samples_done);
520 ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
522 samples_done += samples_block;
523 snd_playptr += samples_block;
524 if (snd_playptr >= sndBuffer_endptr)
525 snd_playptr = sndBuffer;
526 // 1.5 kernel returns 0, newer ones return # of samples queued
528 lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made);
530 // shouln't happen, but just in case
531 if (samples_made - samples_done >= samples_block*3) {
532 lprintf("sthr: block skip (%i)\n", samples_made - samples_done);
533 samples_done += samples_block; // skip
534 snd_playptr += samples_block;
539 lprintf("sthr: exit\n");
540 sceKernelExitDeleteThread(0);
544 static void sound_init(void)
549 sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL);
550 if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem);
552 samples_made = samples_done = 0;
553 samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema
554 sound_thread_exit = 0;
555 thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL);
558 ret = sceKernelStartThread(thid, 0, 0);
559 if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret);
562 lprintf("sceKernelCreateThread failed: %i\n", thid);
565 static void sound_prepare(void)
567 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
570 samples_made = samples_done = 0;
572 if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
573 PsndRerate(Pico.m.frame_count ? 1 : 0);
575 stereo=(PicoOpt&8)>>3;
577 samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC;
578 if (PsndRate <= 22050) samples_block /= 2;
579 sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT];
581 lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n",
582 PsndRate, PsndLen, stereo, Pico.m.pal, samples_block);
584 // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
585 // sceAudio_5C37C0AE();
586 ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment
588 lprintf("sceAudio_38553111() failed: %i\n", ret);
589 sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
590 noticeMsgTime = sceKernelGetSystemTimeLow();
591 currentConfig.EmuOpt &= ~4;
593 PicoWriteSound = writeSound;
594 memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
595 snd_playptr = sndBuffer_endptr - samples_block;
596 samples_made = samples_block; // send 1 empty block first..
598 PsndRate_old = PsndRate;
599 PicoOpt_old = PicoOpt;
600 pal_old = Pico.m.pal;
604 static void sound_end(void)
607 if (samples_done == 0)
609 // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls,
610 // we get a deadlock on next sceAudio_38553111 call
611 // so this is yet another workaround:
612 memset32((int *)(void *)sndBuffer, 0, samples_block*4/4);
613 samples_made = samples_block * 3;
614 sceKernelSignalSema(sound_sem, 1);
616 sceKernelDelayThread(100*1000);
617 samples_made = samples_done = 0;
618 for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++)
623 static void sound_deinit(void)
625 sound_thread_exit = 1;
626 sceKernelSignalSema(sound_sem, 1);
627 sceKernelDeleteSema(sound_sem);
631 static void writeSound(int len)
634 if (PicoOpt&8) len<<=1;
637 /*if (PsndOut > sndBuffer_endptr) {
638 memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
639 PsndOut = &sndBuffer[PsndOut - endptr];
643 if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr);
644 if (PsndOut >= sndBuffer_endptr)
647 // signal the snd thread
649 if (samples_made - samples_done > samples_block*2) {
650 // lprintf("signal, %i/%i\n", samples_done, samples_made);
651 ret = sceKernelSignalSema(sound_sem, 1);
652 //if (ret < 0) lprintf("snd signal ret %08x\n", ret);
657 static void SkipFrame(void)
664 void emu_forcedFrame(void)
666 int po_old = PicoOpt;
667 int eo_old = currentConfig.EmuOpt;
670 PicoOpt |= 0x4080; // soft_scale | acc_sprites
671 currentConfig.EmuOpt |= 0x80;
674 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
675 memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
676 memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
678 PicoDrawSetColorFormat(-1);
679 PicoScan = EmuScanSlow;
686 currentConfig.EmuOpt = eo_old;
690 static void RunEvents(unsigned int which)
692 if (which & 0x1800) // save or load (but not both)
696 if ( emu_checkSaveFile(state_slot) &&
697 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load
698 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save
702 blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0);
703 while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) )
705 if (keys & BTN_CIRCLE) do_it = 0;
706 while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release
713 osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0);
714 PicoStateProgressCB = emu_msg_cb;
715 emu_SaveLoadGame((which & 0x1000) >> 12, 0);
716 PicoStateProgressCB = NULL;
722 if (which & 0x0400) // switch renderer
724 if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }
725 else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
730 strcpy(noticeMsg, "fast renderer");
731 else if (currentConfig.EmuOpt&0x80)
732 strcpy(noticeMsg, "accurate renderer");
734 noticeMsgTime = sceKernelGetSystemTimeLow();
740 if(state_slot < 0) state_slot = 9;
743 if(state_slot > 9) state_slot = 0;
745 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");
746 noticeMsgTime = sceKernelGetSystemTimeLow();
750 static void updateKeys(void)
752 unsigned int keys, allActions[2] = { 0, 0 }, events;
753 static unsigned int prevEvents = 0;
756 keys = psp_pad_read(0);
757 if (keys & PSP_CTRL_HOME)
758 sceDisplayWaitVblankStart();
760 if (keys & BTN_SELECT)
761 engineState = PGS_Menu;
763 keys &= CONFIGURABLE_KEYS;
765 for (i = 0; i < 32; i++)
769 int pl, acts = currentConfig.KeyBinds[i];
771 pl = (acts >> 16) & 1;
772 if (combo_keys & (1 << i))
774 int u = i+1, acts_c = acts & combo_acts;
775 // let's try to find the other one
778 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {
779 allActions[pl] |= acts_c;
780 keys &= ~((1 << i) | (1 << u));
783 // add non-combo actions if combo ones were not found
784 if (!acts_c || u == 32)
785 allActions[pl] |= acts & ~combo_acts;
787 allActions[pl] |= acts;
792 PicoPad[0] = (unsigned short) allActions[0];
793 PicoPad[1] = (unsigned short) allActions[1];
795 events = (allActions[0] | allActions[1]) >> 16;
797 // volume is treated in special way and triggered every frame
798 if ((events & 0x6000) && PsndOut != NULL)
800 int vol = currentConfig.volume;
801 if (events & 0x2000) {
802 if (vol < 100) vol++;
806 // FrameworkAudio_SetVolume(vol, vol); // TODO
807 sprintf(noticeMsg, "VOL: %02i ", vol);
808 noticeMsgTime = sceKernelGetSystemTimeLow();
809 currentConfig.volume = vol;
812 events &= ~prevEvents;
813 if (events) RunEvents(events);
814 if (movie_data) emu_updateMovie();
816 prevEvents = (allActions[0] | allActions[1]) >> 16;
819 static void find_combos(void)
823 // find out which keys and actions are combos
824 combo_keys = combo_acts = 0;
825 for (act = 0; act < 32; act++)
827 int keyc = 0, keyc2 = 0;
828 if (act == 16 || act == 17) continue; // player2 flag
831 for (u = 0; u < 28; u++) // 28 because nub can't produce combos
832 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
836 for (u = 0; u < 28; u++)
837 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1
838 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;
839 for (u = 0; u < 28; u++)
840 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2
841 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;
843 if (keyc > 1 || keyc2 > 1)
845 // loop again and mark those keys and actions as combo
846 for (u = 0; u < 28; u++)
848 if (currentConfig.KeyBinds[u] & (1 << act)) {
849 combo_keys |= 1 << u;
850 combo_acts |= 1 << act;
858 static void simpleWait(unsigned int until)
863 tval = sceKernelGetSystemTimeLow();
864 diff = (int)until - (int)tval;
865 if (diff >= 512 && diff < 100*1024)
866 sceKernelDelayThread(diff);
871 static int mp3_init_done = 0;
872 char fpsbuff[24]; // fps count c string
873 unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing
874 int frames_done = 0, frames_shown = 0, oldmodes = 0;
875 int target_fps, target_frametime, lim_time, tval_diff, i;
878 lprintf("entered emu_Loop()\n");
882 if (currentConfig.CPUclock != psp_get_cpu_clock()) {
883 lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock);
884 i = psp_set_cpu_clock(currentConfig.CPUclock);
885 lprintf(i ? "failed\n" : "done\n");
886 currentConfig.CPUclock = psp_get_cpu_clock();
889 // make sure we are in correct mode
893 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
896 // pal/ntsc might have changed, reset related stuff
897 target_fps = Pico.m.pal ? 50 : 60;
898 target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1;
905 if (!mp3_init_done) {
908 if (i) { engineState = PGS_Menu; return; }
912 // prepare sound stuff
914 if (currentConfig.EmuOpt & 4)
919 sceDisplayWaitVblankStart();
922 while (engineState == PGS_Running)
926 tval = sceKernelGetSystemTimeLow();
927 if (reset_timing || tval < tval_prev) {
928 //stdbg("timing reset");
931 frames_shown = frames_done = 0;
934 // show notice message?
936 static int noticeMsgSum;
937 if (tval - noticeMsgTime > 2000000) { // > 2.0 sec
942 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];
943 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }
948 // check for mode changes
949 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);
950 if (modes != oldmodes) {
953 set_scaling_params();
957 if (tval - tval_thissec >= 1000000)
960 if (currentConfig.Frameskip < 0 && frames_done < target_fps) {
961 SkipFrame(); frames_done++;
964 if (currentConfig.EmuOpt & 2)
965 sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);
967 tval_thissec += 1000000;
969 if (currentConfig.Frameskip < 0) {
970 frames_done -= target_fps; if (frames_done < 0) frames_done = 0;
971 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;
972 if (frames_shown > frames_done) frames_shown = frames_done;
974 frames_done = frames_shown = 0;
978 sprintf(fpsbuff, "%i", Pico.m.frame_count);
982 lim_time = (frames_done+1) * target_frametime;
983 if (currentConfig.Frameskip >= 0) // frameskip enabled
985 for (i = 0; i < currentConfig.Frameskip; i++) {
987 SkipFrame(); frames_done++;
988 if (PsndOut) { // do framelimitting if sound is enabled
990 tval = sceKernelGetSystemTimeLow();
991 tval_diff = (int)(tval - tval_thissec) << 8;
992 if (tval_diff < lim_time) // we are too fast
993 simpleWait(tval + ((lim_time - tval_diff)>>8));
995 lim_time += target_frametime;
998 else // auto frameskip
1001 tval = sceKernelGetSystemTimeLow();
1002 tval_diff = (int)(tval - tval_thissec) << 8;
1003 if (tval_diff > lim_time && (frames_done/16 < frames_shown))
1005 // no time left for this frame - skip
1006 if (tval_diff - lim_time >= (300000<<8)) {
1011 SkipFrame(); frames_done++;
1018 if (!(PicoOpt&0x10))
1026 tval = sceKernelGetSystemTimeLow();
1027 tval_diff = (int)(tval - tval_thissec) << 8;
1029 blit2(fpsbuff, notice, tval_diff > lim_time);
1031 if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection
1033 else if (PsndOut != NULL || currentConfig.Frameskip < 0)
1035 // sleep if we are still too fast
1036 if (tval_diff < lim_time)
1039 simpleWait(tval + ((lim_time - tval_diff) >> 8));
1043 frames_done++; frames_shown++;
1047 if (PicoMCD & 1) PicoCDBufferFree();
1049 if (PsndOut != NULL) {
1055 if ((currentConfig.EmuOpt & 1) && SRam.changed) {
1056 emu_msg_cb("Writing SRAM/BRAM..");
1057 emu_SaveLoadGame(0, 1);
1061 // clear fps counters and stuff
1062 memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
1066 void emu_ResetGame(void)