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/lprintf.h"
23 #include "../../Pico/PicoInt.h"
27 // additional pspaudio imports, credits to crazyc
28 int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown); // play with conversion?
29 int sceAudio_5C37C0AE(void); // end play?
30 int sceAudio_E0727056(int volume, void *buffer); // blocking output
31 int sceAudioOutput2GetRestSample();
34 char romFileName[PATH_MAX];
35 unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
36 int engineState = PGS_Menu;
38 static unsigned int noticeMsgTime = 0;
39 int reset_timing = 0; // do we need this?
42 static void sound_init(void);
43 static void sound_deinit(void);
44 static void blit2(const char *fps, const char *notice, int lagging_behind);
45 static void clearArea(int full);
47 void emu_noticeMsgUpdated(void)
49 noticeMsgTime = sceKernelGetSystemTimeLow();
52 void emu_getMainDir(char *dst, int len)
54 if (len > 0) *dst = 0;
57 static void osd_text(int x, const char *text, int is_active, int clear_all)
59 unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen;
60 int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2);
63 for (h = 0; h < 8; h++) {
64 p = (int *) (screen+x+512*(264+h));
65 p = (int *) ((int)p & ~3); // align
66 memset32_uncached(p, 0, len);
68 if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks
69 emu_textOut16(x, 264, text);
70 if (is_active) psp_screen = tmp;
73 void emu_msg_cb(const char *msg)
75 osd_text(4, msg, 1, 1);
76 noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000;
78 /* assumption: emu_msg_cb gets called only when something slow is about to happen */
82 static void emu_msg_tray_open(void)
84 strcpy(noticeMsg, "CD tray opened");
85 noticeMsgTime = sceKernelGetSystemTimeLow();
91 // make dirs for saves, cfgs, etc.
100 PicoMessage = emu_msg_cb;
101 PicoMCDopenTray = emu_msg_tray_open;
102 PicoMCDcloseTray = menu_loop_tray;
105 void emu_Deinit(void)
108 if ((currentConfig.EmuOpt & 1) && SRam.changed) {
109 emu_SaveLoadGame(0, 1);
113 if (!(currentConfig.EmuOpt & 0x20))
114 config_writelrom(PicoConfigFile);
120 void emu_setDefaultConfig(void)
122 memset(¤tConfig, 0, sizeof(currentConfig));
123 currentConfig.lastRomFile[0] = 0;
124 currentConfig.EmuOpt = 0x1d | 0x680; // | confirm_save, cd_leds, acc rend
125 currentConfig.PicoOpt = 0x0f | 0x1c00; // | gfx_cd, cd_pcm, cd_cdda
126 currentConfig.PsndRate = 22050;
127 currentConfig.PicoRegion = 0; // auto
128 currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP
129 currentConfig.Frameskip = -1; // auto
130 currentConfig.volume = 50;
131 currentConfig.CPUclock = 333;
132 currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU
133 currentConfig.KeyBinds[ 6] = 1<<1;
134 currentConfig.KeyBinds[ 7] = 1<<2;
135 currentConfig.KeyBinds[ 5] = 1<<3;
136 currentConfig.KeyBinds[14] = 1<<4;
137 currentConfig.KeyBinds[13] = 1<<5;
138 currentConfig.KeyBinds[15] = 1<<6;
139 currentConfig.KeyBinds[ 3] = 1<<7;
140 currentConfig.KeyBinds[12] = 1<<26; // switch rnd
141 currentConfig.KeyBinds[ 8] = 1<<27; // save state
142 currentConfig.KeyBinds[ 9] = 1<<28; // load state
143 currentConfig.KeyBinds[28] = 1<<0; // num "buttons"
144 currentConfig.KeyBinds[30] = 1<<1;
145 currentConfig.KeyBinds[31] = 1<<2;
146 currentConfig.KeyBinds[29] = 1<<3;
147 currentConfig.PicoCDBuffers = 64;
148 currentConfig.scaling = 1; // bilinear filtering for psp
149 currentConfig.scale = 1.20; // fullscreen
150 currentConfig.hscale40 = 1.25;
151 currentConfig.hscale32 = 1.56;
155 extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
163 static struct Vertex __attribute__((aligned(4))) g_vertices[2];
164 static unsigned short __attribute__((aligned(16))) localPal[0x100];
165 static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0;
166 static int fbimg_offs = 0;
168 static void set_scaling_params(void)
170 int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0;
171 g_vertices[0].x = g_vertices[0].y =
172 g_vertices[0].z = g_vertices[1].z = 0;
174 fbimg_height = (int)(240.0 * currentConfig.scale + 0.5);
175 if (Pico.video.reg[12] & 1) {
176 fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5);
179 fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5);
183 if (fbimg_width & 1) fbimg_width++; // make even
184 if (fbimg_height & 1) fbimg_height++;
186 if (fbimg_width >= 480) {
187 g_vertices[0].u = (fbimg_width-480)/2;
188 g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1;
193 g_vertices[1].u = src_width;
194 fbimg_xoffs = 240 - fbimg_width/2;
196 if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1;
198 if (fbimg_height >= 272) {
199 g_vertices[0].v = (fbimg_height-272)/2;
200 g_vertices[1].v = 240 - (fbimg_height-272)/2;
205 g_vertices[1].v = 240;
206 fbimg_yoffs = 136 - fbimg_height/2;
209 g_vertices[1].x = fbimg_width;
210 g_vertices[1].y = fbimg_height;
211 if (fbimg_xoffs < 0) fbimg_xoffs = 0;
212 if (fbimg_yoffs < 0) fbimg_yoffs = 0;
219 fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit
222 lprintf("set_scaling_params:\n");
223 lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs);
224 lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y);
225 lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v);
229 static void do_pal_update(int allow_sh)
231 unsigned int *dpal=(void *)localPal;
234 //for (i = 0x3f/2; i >= 0; i--)
235 // dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
236 do_pal_convert(localPal, Pico.cram, currentConfig.gamma);
238 if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight?
241 for (i = 0x3f/2; i >= 0; i--)
242 dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x7bcf7bcf;
244 for (i = 0x3f; i >= 0; i--) {
245 int t=localPal[i]&0xf79e;t+=0x4208;
247 if (t&0x800) t|=0x780;
248 if (t&0x10000) t|=0xf000;
250 localPal[0x80|i]=(unsigned short)t;
258 static void do_slowmode_lines(int line_to)
260 int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256;
261 unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2;
262 unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16;
263 if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; }
265 for (; line < line_to; line++, dst+=512, src+=512)
266 amips_clut(dst, src, localPal, line_len);
269 static void EmuScanPrepare(void)
271 HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
272 if (!(Pico.video.reg[1]&8)) HighCol += 8*512;
279 static int EmuScanSlow(unsigned int num)
281 if (!(Pico.video.reg[1]&8)) num += 8;
283 if (Pico.m.dirtyPal) {
284 if (!dynamic_palette) {
285 do_slowmode_lines(num);
291 if (dynamic_palette) {
292 int line_len = (Pico.video.reg[12]&1) ? 320 : 256;
293 void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num;
294 amips_clut(dst, HighCol + 8, localPal, line_len);
296 HighCol = (unsigned char *)VRAM_CACHED_STUFF + (num+1)*512 + 8;
301 static void blitscreen_clut(void)
303 int offs = fbimg_offs;
304 offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
306 sceGuSync(0,0); // sync with prev
307 sceGuStart(GU_DIRECT, guCmdList);
308 sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
312 if (!blit_16bit_mode) {
313 sceGuTexMode(GU_PSM_5650, 0, 0, 0);
314 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240);
321 if (blit_16bit_mode) {
322 sceGuClutMode(GU_PSM_5650,0,0xff,0);
323 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
324 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
328 if ((PicoOpt&0x10) && Pico.m.dirtyPal)
331 sceKernelDcacheWritebackAll();
333 if (need_pal_upload) {
335 sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
340 if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x)
342 struct Vertex* vertices;
345 #define SLICE_WIDTH 32
346 for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH)
349 vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
350 memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex));
351 vertices[0].u = vertices[0].x = x;
352 vertices[1].u = vertices[1].x = x + SLICE_WIDTH;
353 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices);
355 // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only
359 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices);
365 static void cd_leds(void)
367 unsigned int reg, col_g, col_r, *p;
369 reg = Pico_mcd->s68k_regs[0];
371 p = (unsigned int *)((short *)psp_screen + 512*2+4+2);
372 col_g = (reg & 2) ? 0x06000600 : 0;
373 col_r = (reg & 1) ? 0x00180018 : 0;
374 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
375 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
376 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
380 static void dbg_text(void)
385 sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode);
386 len = strlen(text) * 8 / 2;
387 for (h = 0; h < 8; h++) {
388 p = (int *) ((unsigned short *) psp_screen+2+512*(256+h));
389 p = (int *) ((int)p & ~3); // align
390 memset32_uncached(p, 0, len);
392 emu_textOut16(2, 256, text);
396 /* called after rendering is done, but frame emulation is not finished */
403 // clear top and bottom trash
404 for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512)
405 memset32((int *)pd, 0xe0e0e0e0, 320/4);
406 for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
407 memset32((int *)pd, 0xe0e0e0e0, 320/4);
414 static void blit2(const char *fps, const char *notice, int lagging_behind)
416 int vsync = 0, emu_opt = currentConfig.EmuOpt;
418 if (notice || (emu_opt & 2)) {
419 if (notice) osd_text(4, notice, 0, 0);
420 if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0);
425 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))
428 if (currentConfig.EmuOpt & 0x2000) { // want vsync
429 if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1;
432 psp_video_flip(vsync);
435 // clears whole screen or just the notice area (in all buffers)
436 static void clearArea(int full)
439 memset32_uncached(psp_screen, 0, 512*272*2/4);
441 memset32_uncached(psp_screen, 0, 512*272*2/4);
442 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4);
443 memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4);
445 void *fb = psp_video_get_active_fb();
446 memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4);
447 memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4);
451 static void vidResetMode(void)
454 sceGuSync(0,0); // sync with prev
455 sceGuStart(GU_DIRECT, guCmdList);
457 sceGuClutMode(GU_PSM_5650,0,0xff,0);
458 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
459 sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
460 if (currentConfig.scaling)
461 sceGuTexFilter(GU_LINEAR, GU_LINEAR);
462 else sceGuTexFilter(GU_NEAREST, GU_NEAREST);
463 sceGuTexScale(1.0f,1.0f);
464 sceGuTexOffset(0.0f,0.0f);
466 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
469 PicoDrawSetColorFormat(-1);
470 PicoScanEnd = EmuScanSlow;
474 blit_16bit_mode = dynamic_palette = 0;
477 set_scaling_params();
483 #define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152
484 #define SOUND_BLOCK_SIZE_PAL (1764*2)
485 #define SOUND_BLOCK_COUNT 8
487 static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2];
488 static short *snd_playptr = NULL, *sndBuffer_endptr = NULL;
489 static int samples_made = 0, samples_done = 0, samples_block = 0;
490 static int sound_thread_exit = 0;
491 static SceUID sound_sem = -1;
493 static void writeSound(int len);
495 static int sound_thread(SceSize args, void *argp)
499 lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority());
501 while (!sound_thread_exit)
503 if (samples_made - samples_done < samples_block) {
504 // wait for data (use at least 2 blocks)
505 //lprintf("sthr: wait... (%i)\n", samples_made - samples_done);
506 while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit)
507 ret = sceKernelWaitSema(sound_sem, 1, 0);
508 if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret);
512 // lprintf("sthr: got data: %i\n", samples_made - samples_done);
514 ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
516 samples_done += samples_block;
517 snd_playptr += samples_block;
518 if (snd_playptr >= sndBuffer_endptr)
519 snd_playptr = sndBuffer;
520 // 1.5 kernel returns 0, newer ones return # of samples queued
522 lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made);
524 // shouln't happen, but just in case
525 if (samples_made - samples_done >= samples_block*3) {
526 //lprintf("sthr: block skip (%i)\n", samples_made - samples_done);
527 samples_done += samples_block; // skip
528 snd_playptr += samples_block;
533 lprintf("sthr: exit\n");
534 sceKernelExitDeleteThread(0);
538 static void sound_init(void)
543 sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL);
544 if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem);
546 samples_made = samples_done = 0;
547 samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema
548 sound_thread_exit = 0;
549 thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL);
552 ret = sceKernelStartThread(thid, 0, 0);
553 if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret);
556 lprintf("sceKernelCreateThread failed: %i\n", thid);
559 static void sound_prepare(void)
561 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
564 samples_made = samples_done = 0;
566 if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
567 PsndRerate(Pico.m.frame_count ? 1 : 0);
569 stereo=(PicoOpt&8)>>3;
571 samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC;
572 if (PsndRate <= 22050) samples_block /= 2;
573 sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT];
575 lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n",
576 PsndRate, PsndLen, stereo, Pico.m.pal, samples_block);
578 // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
579 // sceAudio_5C37C0AE();
580 ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment
582 lprintf("sceAudio_38553111() failed: %i\n", ret);
583 sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
584 noticeMsgTime = sceKernelGetSystemTimeLow();
585 currentConfig.EmuOpt &= ~4;
587 PicoWriteSound = writeSound;
588 memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
589 snd_playptr = sndBuffer_endptr - samples_block;
590 samples_made = samples_block; // send 1 empty block first..
592 PsndRate_old = PsndRate;
593 PicoOpt_old = PicoOpt;
594 pal_old = Pico.m.pal;
598 static void sound_end(void)
601 if (samples_done == 0)
603 // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls,
604 // we get a deadlock on next sceAudio_38553111 call
605 // so this is yet another workaround:
606 memset32((int *)(void *)sndBuffer, 0, samples_block*4/4);
607 samples_made = samples_block * 3;
608 sceKernelSignalSema(sound_sem, 1);
610 sceKernelDelayThread(100*1000);
611 samples_made = samples_done = 0;
612 for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++)
617 static void sound_deinit(void)
619 sound_thread_exit = 1;
620 sceKernelSignalSema(sound_sem, 1);
621 sceKernelDeleteSema(sound_sem);
625 static void writeSound(int len)
628 if (PicoOpt&8) len<<=1;
631 /*if (PsndOut > sndBuffer_endptr) {
632 memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
633 PsndOut = &sndBuffer[PsndOut - endptr];
637 if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr);
638 if (PsndOut >= sndBuffer_endptr)
641 // signal the snd thread
643 if (samples_made - samples_done > samples_block*2) {
644 // lprintf("signal, %i/%i\n", samples_done, samples_made);
645 ret = sceKernelSignalSema(sound_sem, 1);
646 //if (ret < 0) lprintf("snd signal ret %08x\n", ret);
651 static void SkipFrame(void)
658 void emu_forcedFrame(void)
660 int po_old = PicoOpt;
661 int eo_old = currentConfig.EmuOpt;
664 PicoOpt |= 0x4080; // soft_scale | acc_sprites
665 currentConfig.EmuOpt |= 0x80;
668 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
669 memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
670 memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
672 PicoDrawSetColorFormat(-1);
673 PicoScanEnd = EmuScanSlow;
680 currentConfig.EmuOpt = eo_old;
684 static void RunEvents(unsigned int which)
686 if (which & 0x1800) // save or load (but not both)
690 if ( emu_checkSaveFile(state_slot) &&
691 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load
692 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save
696 blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0);
697 while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) )
699 if (keys & BTN_CIRCLE) do_it = 0;
700 while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release
707 osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0);
708 PicoStateProgressCB = emu_msg_cb;
709 emu_SaveLoadGame((which & 0x1000) >> 12, 0);
710 PicoStateProgressCB = NULL;
716 if (which & 0x0400) // switch renderer
718 if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }
719 else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
724 strcpy(noticeMsg, "fast renderer");
725 else if (currentConfig.EmuOpt&0x80)
726 strcpy(noticeMsg, "accurate renderer");
728 noticeMsgTime = sceKernelGetSystemTimeLow();
734 if(state_slot < 0) state_slot = 9;
737 if(state_slot > 9) state_slot = 0;
739 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");
740 noticeMsgTime = sceKernelGetSystemTimeLow();
744 static void updateKeys(void)
746 unsigned int keys, allActions[2] = { 0, 0 }, events;
747 static unsigned int prevEvents = 0;
750 keys = psp_pad_read(0);
751 if (keys & PSP_CTRL_HOME)
752 sceDisplayWaitVblankStart();
754 if (keys & BTN_SELECT)
755 engineState = PGS_Menu;
757 keys &= CONFIGURABLE_KEYS;
759 for (i = 0; i < 32; i++)
763 int pl, acts = currentConfig.KeyBinds[i];
765 pl = (acts >> 16) & 1;
766 if (kb_combo_keys & (1 << i))
768 int u = i+1, acts_c = acts & kb_combo_acts;
769 // let's try to find the other one
772 if ( (keys & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) {
773 allActions[pl] |= acts_c & currentConfig.KeyBinds[u];
774 keys &= ~((1 << i) | (1 << u));
778 // add non-combo actions if combo ones were not found
779 if (!acts_c || u == 32)
780 allActions[pl] |= acts & ~kb_combo_acts;
782 allActions[pl] |= acts;
787 PicoPad[0] = (unsigned short) allActions[0];
788 PicoPad[1] = (unsigned short) allActions[1];
790 events = (allActions[0] | allActions[1]) >> 16;
792 // volume is treated in special way and triggered every frame
793 if ((events & 0x6000) && PsndOut != NULL)
795 int vol = currentConfig.volume;
796 if (events & 0x2000) {
797 if (vol < 100) vol++;
801 // FrameworkAudio_SetVolume(vol, vol); // TODO
802 sprintf(noticeMsg, "VOL: %02i ", vol);
803 noticeMsgTime = sceKernelGetSystemTimeLow();
804 currentConfig.volume = vol;
807 events &= ~prevEvents;
808 if (events) RunEvents(events);
809 if (movie_data) emu_updateMovie();
811 prevEvents = (allActions[0] | allActions[1]) >> 16;
815 static void simpleWait(unsigned int until)
820 tval = sceKernelGetSystemTimeLow();
821 diff = (int)until - (int)tval;
822 if (diff >= 512 && diff < 100*1024)
823 sceKernelDelayThread(diff);
828 static int mp3_init_done = 0;
829 char fpsbuff[24]; // fps count c string
830 unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing
831 int frames_done = 0, frames_shown = 0, oldmodes = 0;
832 int target_fps, target_frametime, lim_time, tval_diff, i;
835 lprintf("entered emu_Loop()\n");
839 if (currentConfig.CPUclock != psp_get_cpu_clock()) {
840 lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock);
841 i = psp_set_cpu_clock(currentConfig.CPUclock);
842 lprintf(i ? "failed\n" : "done\n");
843 currentConfig.CPUclock = psp_get_cpu_clock();
846 // make sure we are in correct mode
850 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
851 emu_findKeyBindCombos();
853 // pal/ntsc might have changed, reset related stuff
854 target_fps = Pico.m.pal ? 50 : 60;
855 target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1;
858 if (PicoAHW & PAHW_MCD) {
862 if (!mp3_init_done) {
865 if (i) { engineState = PGS_Menu; return; }
869 // prepare sound stuff
871 if (currentConfig.EmuOpt & 4)
876 sceDisplayWaitVblankStart();
879 while (engineState == PGS_Running)
883 tval = sceKernelGetSystemTimeLow();
884 if (reset_timing || tval < tval_prev) {
885 //stdbg("timing reset");
888 frames_shown = frames_done = 0;
891 // show notice message?
893 static int noticeMsgSum;
894 if (tval - noticeMsgTime > 2000000) { // > 2.0 sec
899 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];
900 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }
905 // check for mode changes
906 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);
907 if (modes != oldmodes) {
910 set_scaling_params();
914 if (tval - tval_thissec >= 1000000)
917 if (currentConfig.Frameskip < 0 && frames_done < target_fps) {
918 SkipFrame(); frames_done++;
921 if (currentConfig.EmuOpt & 2)
922 sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);
924 tval_thissec += 1000000;
926 if (currentConfig.Frameskip < 0) {
927 frames_done -= target_fps; if (frames_done < 0) frames_done = 0;
928 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;
929 if (frames_shown > frames_done) frames_shown = frames_done;
931 frames_done = frames_shown = 0;
935 sprintf(fpsbuff, "%i", Pico.m.frame_count);
939 lim_time = (frames_done+1) * target_frametime;
940 if (currentConfig.Frameskip >= 0) // frameskip enabled
942 for (i = 0; i < currentConfig.Frameskip; i++) {
944 SkipFrame(); frames_done++;
945 if (!(currentConfig.EmuOpt&0x40000)) { // do framelimitting if needed
947 tval = sceKernelGetSystemTimeLow();
948 tval_diff = (int)(tval - tval_thissec) << 8;
949 if (tval_diff < lim_time) // we are too fast
950 simpleWait(tval + ((lim_time - tval_diff)>>8));
952 lim_time += target_frametime;
955 else // auto frameskip
958 tval = sceKernelGetSystemTimeLow();
959 tval_diff = (int)(tval - tval_thissec) << 8;
960 if (tval_diff > lim_time && (frames_done/16 < frames_shown))
962 // no time left for this frame - skip
963 if (tval_diff - lim_time >= (300000<<8)) {
968 SkipFrame(); frames_done++;
983 tval = sceKernelGetSystemTimeLow();
984 tval_diff = (int)(tval - tval_thissec) << 8;
986 blit2(fpsbuff, notice, tval_diff > lim_time);
988 if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection
990 else if (!(currentConfig.EmuOpt&0x40000) || currentConfig.Frameskip < 0)
992 // sleep if we are still too fast
993 if (tval_diff < lim_time)
996 simpleWait(tval + ((lim_time - tval_diff) >> 8));
1000 frames_done++; frames_shown++;
1004 if (PicoAHW & PAHW_MCD) PicoCDBufferFree();
1006 if (PsndOut != NULL) {
1012 if ((currentConfig.EmuOpt & 1) && SRam.changed) {
1013 emu_msg_cb("Writing SRAM/BRAM..");
1014 emu_SaveLoadGame(0, 1);
1018 // clear fps counters and stuff
1019 memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
1023 void emu_ResetGame(void)
1029 void emu_HandleResume(void)
1031 if (!(PicoAHW & PAHW_MCD)) return;
1034 if (Pico_mcd->TOC.Tracks[0].F != NULL)
1036 lprintf("emu_HandleResume: reopen %s\n", romFileName);
1037 pm_close(Pico_mcd->TOC.Tracks[0].F);
1038 Pico_mcd->TOC.Tracks[0].F = pm_open(romFileName);
1039 lprintf("reopen %s\n", Pico_mcd->TOC.Tracks[0].F != NULL ? "ok" : "failed");