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 int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos
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_setDefaultConfig(void)
123 memset(¤tConfig, 0, sizeof(currentConfig));
124 currentConfig.lastRomFile[0] = 0;
125 currentConfig.EmuOpt = 0x1d | 0x680; // | confirm_save, cd_leds, acc rend
126 currentConfig.PicoOpt = 0x0f | 0x1c00; // | gfx_cd, cd_pcm, cd_cdda
127 currentConfig.PsndRate = 22050;
128 currentConfig.PicoRegion = 0; // auto
129 currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP
130 currentConfig.Frameskip = -1; // auto
131 currentConfig.volume = 50;
132 currentConfig.CPUclock = 333;
133 currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU
134 currentConfig.KeyBinds[ 6] = 1<<1;
135 currentConfig.KeyBinds[ 7] = 1<<2;
136 currentConfig.KeyBinds[ 5] = 1<<3;
137 currentConfig.KeyBinds[14] = 1<<4;
138 currentConfig.KeyBinds[13] = 1<<5;
139 currentConfig.KeyBinds[15] = 1<<6;
140 currentConfig.KeyBinds[ 3] = 1<<7;
141 currentConfig.KeyBinds[12] = 1<<26; // switch rnd
142 currentConfig.KeyBinds[ 8] = 1<<27; // save state
143 currentConfig.KeyBinds[ 9] = 1<<28; // load state
144 currentConfig.KeyBinds[28] = 1<<0; // num "buttons"
145 currentConfig.KeyBinds[30] = 1<<1;
146 currentConfig.KeyBinds[31] = 1<<2;
147 currentConfig.KeyBinds[29] = 1<<3;
148 currentConfig.PicoCDBuffers = 64;
149 currentConfig.scaling = 1; // bilinear filtering for psp
150 currentConfig.scale = 1.20; // fullscreen
151 currentConfig.hscale40 = 1.25;
152 currentConfig.hscale32 = 1.56;
156 extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
164 static struct Vertex __attribute__((aligned(4))) g_vertices[2];
165 static unsigned short __attribute__((aligned(16))) localPal[0x100];
166 static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0;
167 static int fbimg_offs = 0;
169 static void set_scaling_params(void)
171 int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0;
172 g_vertices[0].x = g_vertices[0].y =
173 g_vertices[0].z = g_vertices[1].z = 0;
175 fbimg_height = (int)(240.0 * currentConfig.scale + 0.5);
176 if (Pico.video.reg[12] & 1) {
177 fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5);
180 fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5);
184 if (fbimg_width & 1) fbimg_width++; // make even
185 if (fbimg_height & 1) fbimg_height++;
187 if (fbimg_width >= 480) {
188 g_vertices[0].u = (fbimg_width-480)/2;
189 g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1;
194 g_vertices[1].u = src_width;
195 fbimg_xoffs = 240 - fbimg_width/2;
197 if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1;
199 if (fbimg_height >= 272) {
200 g_vertices[0].v = (fbimg_height-272)/2;
201 g_vertices[1].v = 240 - (fbimg_height-272)/2;
206 g_vertices[1].v = 240;
207 fbimg_yoffs = 136 - fbimg_height/2;
210 g_vertices[1].x = fbimg_width;
211 g_vertices[1].y = fbimg_height;
212 if (fbimg_xoffs < 0) fbimg_xoffs = 0;
213 if (fbimg_yoffs < 0) fbimg_yoffs = 0;
220 fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit
223 lprintf("set_scaling_params:\n");
224 lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs);
225 lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y);
226 lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v);
230 static void do_pal_update(int allow_sh)
232 unsigned int *dpal=(void *)localPal;
235 //for (i = 0x3f/2; i >= 0; i--)
236 // dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
237 do_pal_convert(localPal, Pico.cram, currentConfig.gamma);
239 if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight?
242 for (i = 0x3f/2; i >= 0; i--)
243 dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x7bcf7bcf;
245 for (i = 0x3f; i >= 0; i--) {
246 int t=localPal[i]&0xf79e;t+=0x4208;
248 if (t&0x800) t|=0x780;
249 if (t&0x10000) t|=0xf000;
251 localPal[0x80|i]=(unsigned short)t;
259 static void do_slowmode_lines(int line_to)
261 int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256;
262 unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2;
263 unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16;
264 if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; }
266 for (; line < line_to; line++, dst+=512, src+=512)
267 amips_clut(dst, src, localPal, line_len);
270 static void EmuScanPrepare(void)
272 HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
273 if (!(Pico.video.reg[1]&8)) HighCol += 8*512;
280 static int EmuScanSlow(unsigned int num, void *sdata)
282 if (!(Pico.video.reg[1]&8)) num += 8;
284 if (Pico.m.dirtyPal) {
285 if (!dynamic_palette) {
286 do_slowmode_lines(num);
292 if (dynamic_palette) {
293 int line_len = (Pico.video.reg[12]&1) ? 320 : 256;
294 void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num;
295 amips_clut(dst, HighCol + 8, localPal, line_len);
297 HighCol = (unsigned char *)VRAM_CACHED_STUFF + (num+1)*512 + 8;
302 static void blitscreen_clut(void)
304 int offs = fbimg_offs;
305 offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
307 sceGuSync(0,0); // sync with prev
308 sceGuStart(GU_DIRECT, guCmdList);
309 sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
313 if (!blit_16bit_mode) {
314 sceGuTexMode(GU_PSM_5650, 0, 0, 0);
315 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240);
322 if (blit_16bit_mode) {
323 sceGuClutMode(GU_PSM_5650,0,0xff,0);
324 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
325 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
329 if ((PicoOpt&0x10) && Pico.m.dirtyPal)
332 sceKernelDcacheWritebackAll();
334 if (need_pal_upload) {
336 sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
341 if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x)
343 struct Vertex* vertices;
346 #define SLICE_WIDTH 32
347 for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH)
350 vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
351 memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex));
352 vertices[0].u = vertices[0].x = x;
353 vertices[1].u = vertices[1].x = x + SLICE_WIDTH;
354 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices);
356 // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only
360 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices);
366 static void cd_leds(void)
368 unsigned int reg, col_g, col_r, *p;
370 reg = Pico_mcd->s68k_regs[0];
372 p = (unsigned int *)((short *)psp_screen + 512*2+4+2);
373 col_g = (reg & 2) ? 0x06000600 : 0;
374 col_r = (reg & 1) ? 0x00180018 : 0;
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; p += 512/2 - 12/2;
377 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
381 static void dbg_text(void)
386 sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode);
387 len = strlen(text) * 8 / 2;
388 for (h = 0; h < 8; h++) {
389 p = (int *) ((unsigned short *) psp_screen+2+512*(256+h));
390 p = (int *) ((int)p & ~3); // align
391 memset32_uncached(p, 0, len);
393 emu_textOut16(2, 256, text);
397 /* called after rendering is done, but frame emulation is not finished */
404 // clear top and bottom trash
405 for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512)
406 memset32((int *)pd, 0xe0e0e0e0, 320/4);
407 for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
408 memset32((int *)pd, 0xe0e0e0e0, 320/4);
415 static void blit2(const char *fps, const char *notice, int lagging_behind)
417 int vsync = 0, emu_opt = currentConfig.EmuOpt;
419 if (notice || (emu_opt & 2)) {
420 if (notice) osd_text(4, notice, 0, 0);
421 if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0);
426 if ((emu_opt & 0x400) && (PicoMCD & 1))
429 if (currentConfig.EmuOpt & 0x2000) { // want vsync
430 if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1;
433 psp_video_flip(vsync);
436 // clears whole screen or just the notice area (in all buffers)
437 static void clearArea(int full)
440 memset32_uncached(psp_screen, 0, 512*272*2/4);
442 memset32_uncached(psp_screen, 0, 512*272*2/4);
443 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4);
444 memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4);
446 void *fb = psp_video_get_active_fb();
447 memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4);
448 memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4);
452 static void vidResetMode(void)
455 sceGuSync(0,0); // sync with prev
456 sceGuStart(GU_DIRECT, guCmdList);
458 sceGuClutMode(GU_PSM_5650,0,0xff,0);
459 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
460 sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
461 if (currentConfig.scaling)
462 sceGuTexFilter(GU_LINEAR, GU_LINEAR);
463 else sceGuTexFilter(GU_NEAREST, GU_NEAREST);
464 sceGuTexScale(1.0f,1.0f);
465 sceGuTexOffset(0.0f,0.0f);
467 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
470 PicoDrawSetColorFormat(-1);
471 PicoScan = EmuScanSlow;
475 blit_16bit_mode = dynamic_palette = 0;
478 set_scaling_params();
484 #define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152
485 #define SOUND_BLOCK_SIZE_PAL (1764*2)
486 #define SOUND_BLOCK_COUNT 8
488 static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2];
489 static short *snd_playptr = NULL, *sndBuffer_endptr = NULL;
490 static int samples_made = 0, samples_done = 0, samples_block = 0;
491 static int sound_thread_exit = 0;
492 static SceUID sound_sem = -1;
494 static void writeSound(int len);
496 static int sound_thread(SceSize args, void *argp)
500 lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority());
502 while (!sound_thread_exit)
504 if (samples_made - samples_done < samples_block) {
505 // wait for data (use at least 2 blocks)
506 //lprintf("sthr: wait... (%i)\n", samples_made - samples_done);
507 while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit)
508 ret = sceKernelWaitSema(sound_sem, 1, 0);
509 if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret);
513 // lprintf("sthr: got data: %i\n", samples_made - samples_done);
515 ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
517 samples_done += samples_block;
518 snd_playptr += samples_block;
519 if (snd_playptr >= sndBuffer_endptr)
520 snd_playptr = sndBuffer;
521 // 1.5 kernel returns 0, newer ones return # of samples queued
523 lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made);
525 // shouln't happen, but just in case
526 if (samples_made - samples_done >= samples_block*3) {
527 //lprintf("sthr: block skip (%i)\n", samples_made - samples_done);
528 samples_done += samples_block; // skip
529 snd_playptr += samples_block;
534 lprintf("sthr: exit\n");
535 sceKernelExitDeleteThread(0);
539 static void sound_init(void)
544 sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL);
545 if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem);
547 samples_made = samples_done = 0;
548 samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema
549 sound_thread_exit = 0;
550 thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL);
553 ret = sceKernelStartThread(thid, 0, 0);
554 if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret);
557 lprintf("sceKernelCreateThread failed: %i\n", thid);
560 static void sound_prepare(void)
562 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
565 samples_made = samples_done = 0;
567 if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
568 PsndRerate(Pico.m.frame_count ? 1 : 0);
570 stereo=(PicoOpt&8)>>3;
572 samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC;
573 if (PsndRate <= 22050) samples_block /= 2;
574 sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT];
576 lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n",
577 PsndRate, PsndLen, stereo, Pico.m.pal, samples_block);
579 // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
580 // sceAudio_5C37C0AE();
581 ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment
583 lprintf("sceAudio_38553111() failed: %i\n", ret);
584 sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
585 noticeMsgTime = sceKernelGetSystemTimeLow();
586 currentConfig.EmuOpt &= ~4;
588 PicoWriteSound = writeSound;
589 memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
590 snd_playptr = sndBuffer_endptr - samples_block;
591 samples_made = samples_block; // send 1 empty block first..
593 PsndRate_old = PsndRate;
594 PicoOpt_old = PicoOpt;
595 pal_old = Pico.m.pal;
599 static void sound_end(void)
602 if (samples_done == 0)
604 // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls,
605 // we get a deadlock on next sceAudio_38553111 call
606 // so this is yet another workaround:
607 memset32((int *)(void *)sndBuffer, 0, samples_block*4/4);
608 samples_made = samples_block * 3;
609 sceKernelSignalSema(sound_sem, 1);
611 sceKernelDelayThread(100*1000);
612 samples_made = samples_done = 0;
613 for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++)
618 static void sound_deinit(void)
620 sound_thread_exit = 1;
621 sceKernelSignalSema(sound_sem, 1);
622 sceKernelDeleteSema(sound_sem);
626 static void writeSound(int len)
629 if (PicoOpt&8) len<<=1;
632 /*if (PsndOut > sndBuffer_endptr) {
633 memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
634 PsndOut = &sndBuffer[PsndOut - endptr];
638 if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr);
639 if (PsndOut >= sndBuffer_endptr)
642 // signal the snd thread
644 if (samples_made - samples_done > samples_block*2) {
645 // lprintf("signal, %i/%i\n", samples_done, samples_made);
646 ret = sceKernelSignalSema(sound_sem, 1);
647 //if (ret < 0) lprintf("snd signal ret %08x\n", ret);
652 static void SkipFrame(void)
659 void emu_forcedFrame(void)
661 int po_old = PicoOpt;
662 int eo_old = currentConfig.EmuOpt;
665 PicoOpt |= 0x4080; // soft_scale | acc_sprites
666 currentConfig.EmuOpt |= 0x80;
669 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
670 memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
671 memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
673 PicoDrawSetColorFormat(-1);
674 PicoScan = EmuScanSlow;
681 currentConfig.EmuOpt = eo_old;
685 static void RunEvents(unsigned int which)
687 if (which & 0x1800) // save or load (but not both)
691 if ( emu_checkSaveFile(state_slot) &&
692 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load
693 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save
697 blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0);
698 while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) )
700 if (keys & BTN_CIRCLE) do_it = 0;
701 while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release
708 osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0);
709 PicoStateProgressCB = emu_msg_cb;
710 emu_SaveLoadGame((which & 0x1000) >> 12, 0);
711 PicoStateProgressCB = NULL;
717 if (which & 0x0400) // switch renderer
719 if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }
720 else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
725 strcpy(noticeMsg, "fast renderer");
726 else if (currentConfig.EmuOpt&0x80)
727 strcpy(noticeMsg, "accurate renderer");
729 noticeMsgTime = sceKernelGetSystemTimeLow();
735 if(state_slot < 0) state_slot = 9;
738 if(state_slot > 9) state_slot = 0;
740 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");
741 noticeMsgTime = sceKernelGetSystemTimeLow();
745 static void updateKeys(void)
747 unsigned int keys, allActions[2] = { 0, 0 }, events;
748 static unsigned int prevEvents = 0;
751 keys = psp_pad_read(0);
752 if (keys & PSP_CTRL_HOME)
753 sceDisplayWaitVblankStart();
755 if (keys & BTN_SELECT)
756 engineState = PGS_Menu;
758 keys &= CONFIGURABLE_KEYS;
760 for (i = 0; i < 32; i++)
764 int pl, acts = currentConfig.KeyBinds[i];
766 pl = (acts >> 16) & 1;
767 if (combo_keys & (1 << i))
769 int u = i+1, acts_c = acts & combo_acts;
770 // let's try to find the other one
773 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {
774 allActions[pl] |= acts_c;
775 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 & ~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;
814 static void find_combos(void)
818 // find out which keys and actions are combos
819 combo_keys = combo_acts = 0;
820 for (act = 0; act < 32; act++)
822 int keyc = 0, keyc2 = 0;
823 if (act == 16 || act == 17) continue; // player2 flag
826 for (u = 0; u < 28; u++) // 28 because nub can't produce combos
827 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
831 for (u = 0; u < 28; u++)
832 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1
833 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;
834 for (u = 0; u < 28; u++)
835 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2
836 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;
838 if (keyc > 1 || keyc2 > 1)
840 // loop again and mark those keys and actions as combo
841 for (u = 0; u < 28; u++)
843 if (currentConfig.KeyBinds[u] & (1 << act)) {
844 combo_keys |= 1 << u;
845 combo_acts |= 1 << act;
853 static void simpleWait(unsigned int until)
858 tval = sceKernelGetSystemTimeLow();
859 diff = (int)until - (int)tval;
860 if (diff >= 512 && diff < 100*1024)
861 sceKernelDelayThread(diff);
866 static int mp3_init_done = 0;
867 char fpsbuff[24]; // fps count c string
868 unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing
869 int frames_done = 0, frames_shown = 0, oldmodes = 0;
870 int target_fps, target_frametime, lim_time, tval_diff, i;
873 lprintf("entered emu_Loop()\n");
877 if (currentConfig.CPUclock != psp_get_cpu_clock()) {
878 lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock);
879 i = psp_set_cpu_clock(currentConfig.CPUclock);
880 lprintf(i ? "failed\n" : "done\n");
881 currentConfig.CPUclock = psp_get_cpu_clock();
884 // make sure we are in correct mode
888 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
891 // pal/ntsc might have changed, reset related stuff
892 target_fps = Pico.m.pal ? 50 : 60;
893 target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1;
900 if (!mp3_init_done) {
903 if (i) { engineState = PGS_Menu; return; }
907 // prepare sound stuff
909 if (currentConfig.EmuOpt & 4)
914 sceDisplayWaitVblankStart();
917 while (engineState == PGS_Running)
921 tval = sceKernelGetSystemTimeLow();
922 if (reset_timing || tval < tval_prev) {
923 //stdbg("timing reset");
926 frames_shown = frames_done = 0;
929 // show notice message?
931 static int noticeMsgSum;
932 if (tval - noticeMsgTime > 2000000) { // > 2.0 sec
937 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];
938 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }
943 // check for mode changes
944 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);
945 if (modes != oldmodes) {
948 set_scaling_params();
952 if (tval - tval_thissec >= 1000000)
955 if (currentConfig.Frameskip < 0 && frames_done < target_fps) {
956 SkipFrame(); frames_done++;
959 if (currentConfig.EmuOpt & 2)
960 sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);
962 tval_thissec += 1000000;
964 if (currentConfig.Frameskip < 0) {
965 frames_done -= target_fps; if (frames_done < 0) frames_done = 0;
966 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;
967 if (frames_shown > frames_done) frames_shown = frames_done;
969 frames_done = frames_shown = 0;
973 sprintf(fpsbuff, "%i", Pico.m.frame_count);
977 lim_time = (frames_done+1) * target_frametime;
978 if (currentConfig.Frameskip >= 0) // frameskip enabled
980 for (i = 0; i < currentConfig.Frameskip; i++) {
982 SkipFrame(); frames_done++;
983 if (!(currentConfig.EmuOpt&0x40000)) { // do framelimitting if needed
985 tval = sceKernelGetSystemTimeLow();
986 tval_diff = (int)(tval - tval_thissec) << 8;
987 if (tval_diff < lim_time) // we are too fast
988 simpleWait(tval + ((lim_time - tval_diff)>>8));
990 lim_time += target_frametime;
993 else // auto frameskip
996 tval = sceKernelGetSystemTimeLow();
997 tval_diff = (int)(tval - tval_thissec) << 8;
998 if (tval_diff > lim_time && (frames_done/16 < frames_shown))
1000 // no time left for this frame - skip
1001 if (tval_diff - lim_time >= (300000<<8)) {
1006 SkipFrame(); frames_done++;
1013 if (!(PicoOpt&0x10))
1021 tval = sceKernelGetSystemTimeLow();
1022 tval_diff = (int)(tval - tval_thissec) << 8;
1024 blit2(fpsbuff, notice, tval_diff > lim_time);
1026 if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection
1028 else if (!(currentConfig.EmuOpt&0x40000) || currentConfig.Frameskip < 0)
1030 // sleep if we are still too fast
1031 if (tval_diff < lim_time)
1034 simpleWait(tval + ((lim_time - tval_diff) >> 8));
1038 frames_done++; frames_shown++;
1042 if (PicoMCD & 1) PicoCDBufferFree();
1044 if (PsndOut != NULL) {
1050 if ((currentConfig.EmuOpt & 1) && SRam.changed) {
1051 emu_msg_cb("Writing SRAM/BRAM..");
1052 emu_SaveLoadGame(0, 1);
1056 // clear fps counters and stuff
1057 memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
1061 void emu_ResetGame(void)
1067 void emu_HandleResume(void)
1069 if (!(PicoMCD & 1)) return;
1072 if (Pico_mcd->TOC.Tracks[0].F != NULL)
1074 lprintf("emu_HandleResume: reopen %s\n", romFileName);
1075 pm_close(Pico_mcd->TOC.Tracks[0].F);
1076 Pico_mcd->TOC.Tracks[0].F = pm_open(romFileName);
1077 lprintf("reopen %s\n", Pico_mcd->TOC.Tracks[0].F != NULL ? "ok" : "failed");