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/pico_int.h>
25 #include <pico/cd/cue.h>
29 // additional pspaudio imports, credits to crazyc
30 int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown); // play with conversion?
31 int sceAudio_5C37C0AE(void); // end play?
32 int sceAudio_E0727056(int volume, void *buffer); // blocking output
33 int sceAudioOutput2GetRestSample();
36 unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
37 int engineStateSuspend;
39 #define PICO_PEN_ADJUST_X 4
40 #define PICO_PEN_ADJUST_Y 2
41 static int pico_pen_x = 320/2, pico_pen_y = 240/2;
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 int plat_get_root_dir(char *dst, int len)
50 if (len > 0) *dst = 0;
54 static void osd_text(int x, const char *text, int is_active, int clear_all)
56 unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen;
57 int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2);
60 for (h = 0; h < 8; h++) {
61 p = (int *) (screen+x+512*(264+h));
62 p = (int *) ((int)p & ~3); // align
63 memset32_uncached(p, 0, len);
65 if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks
66 emu_text_out16(x, 264, text);
67 if (is_active) psp_screen = tmp;
70 void emu_msg_cb(const char *msg)
72 osd_text(4, msg, 1, 1);
73 noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000;
75 /* assumption: emu_msg_cb gets called only when something slow is about to happen */
79 /* FIXME: move to plat */
90 void pemu_prep_defconfig(void)
92 defaultConfig.s_PsndRate = 22050;
93 defaultConfig.s_PicoCDBuffers = 64;
94 defaultConfig.CPUclock = 333;
95 defaultConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU
96 defaultConfig.KeyBinds[ 6] = 1<<1;
97 defaultConfig.KeyBinds[ 7] = 1<<2;
98 defaultConfig.KeyBinds[ 5] = 1<<3;
99 defaultConfig.KeyBinds[14] = 1<<4;
100 defaultConfig.KeyBinds[13] = 1<<5;
101 defaultConfig.KeyBinds[15] = 1<<6;
102 defaultConfig.KeyBinds[ 3] = 1<<7;
103 defaultConfig.KeyBinds[12] = 1<<26; // switch rnd
104 defaultConfig.KeyBinds[ 8] = 1<<27; // save state
105 defaultConfig.KeyBinds[ 9] = 1<<28; // load state
106 defaultConfig.KeyBinds[28] = 1<<0; // num "buttons"
107 defaultConfig.KeyBinds[30] = 1<<1;
108 defaultConfig.KeyBinds[31] = 1<<2;
109 defaultConfig.KeyBinds[29] = 1<<3;
110 defaultConfig.scaling = 1; // bilinear filtering for psp
111 defaultConfig.scale = 1.20; // fullscreen
112 defaultConfig.hscale40 = 1.25;
113 defaultConfig.hscale32 = 1.56;
117 extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
118 extern void amips_clut_6bit(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
120 static void (*amips_clut_f)(unsigned short *dst, unsigned char *src, unsigned short *pal, int count) = NULL;
128 static struct Vertex __attribute__((aligned(4))) g_vertices[2];
129 static unsigned short __attribute__((aligned(16))) localPal[0x100];
130 static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0;
131 static int fbimg_offs = 0;
133 static void set_scaling_params(void)
135 int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0;
136 g_vertices[0].x = g_vertices[0].y =
137 g_vertices[0].z = g_vertices[1].z = 0;
139 fbimg_height = (int)(240.0 * currentConfig.scale + 0.5);
140 if (Pico.video.reg[12] & 1) {
141 fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5);
144 fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5);
148 if (fbimg_width & 1) fbimg_width++; // make even
149 if (fbimg_height & 1) fbimg_height++;
151 if (fbimg_width >= 480) {
152 g_vertices[0].u = (fbimg_width-480)/2;
153 g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1;
158 g_vertices[1].u = src_width;
159 fbimg_xoffs = 240 - fbimg_width/2;
161 if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1;
163 if (fbimg_height >= 272) {
164 g_vertices[0].v = (fbimg_height-272)/2;
165 g_vertices[1].v = 240 - (fbimg_height-272)/2;
170 g_vertices[1].v = 240;
171 fbimg_yoffs = 136 - fbimg_height/2;
174 g_vertices[1].x = fbimg_width;
175 g_vertices[1].y = fbimg_height;
176 if (fbimg_xoffs < 0) fbimg_xoffs = 0;
177 if (fbimg_yoffs < 0) fbimg_yoffs = 0;
184 fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit
187 lprintf("set_scaling_params:\n");
188 lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs);
189 lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y);
190 lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v);
194 static void do_pal_update(int allow_sh, int allow_as)
196 unsigned int *dpal=(void *)localPal;
199 //for (i = 0x3f/2; i >= 0; i--)
200 // dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
201 do_pal_convert(localPal, Pico.cram, currentConfig.gamma, currentConfig.gamma2);
206 if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight?
209 for (i = 0x3f/2; i >= 0; i--)
210 dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x7bcf7bcf;
212 for (i = 0x3f; i >= 0; i--) {
213 int t=localPal[i]&0xf79e;t+=0x4208;
215 if (t&0x800) t|=0x780;
216 if (t&0x10000) t|=0xf000;
218 localPal[0x80|i]=(unsigned short)t;
221 localPal[0xf0] = 0x001f;
223 else if (allow_as && (rendstatus & PDRAW_SPR_LO_ON_HI))
225 memcpy32((int *)dpal+0x80/2, (void *)localPal, 0x40*2/4);
229 static void do_slowmode_lines(int line_to)
231 int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256;
232 unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2;
233 unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16;
234 if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; }
236 for (; line < line_to; line++, dst+=512, src+=512)
237 amips_clut_f(dst, src, localPal, line_len);
240 static void EmuScanPrepare(void)
242 HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
243 if (!(Pico.video.reg[1]&8)) HighCol += 8*512;
245 if (dynamic_palette > 0)
250 if ((rendstatus & PDRAW_SPR_LO_ON_HI) && !(Pico.video.reg[0xC]&8))
251 amips_clut_f = amips_clut_6bit;
252 else amips_clut_f = amips_clut;
255 static int EmuScanSlowBegin(unsigned int num)
257 if (!dynamic_palette)
258 HighCol = (unsigned char *)VRAM_CACHED_STUFF + num * 512 + 8;
263 static int EmuScanSlowEnd(unsigned int num)
265 if (Pico.m.dirtyPal) {
266 if (!dynamic_palette) {
267 do_slowmode_lines(num);
268 dynamic_palette = 3; // last for 2 more frames
273 if (dynamic_palette) {
274 int line_len = (Pico.video.reg[12]&1) ? 320 : 256;
275 void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num;
276 amips_clut_f(dst, HighCol + 8, localPal, line_len);
282 static void blitscreen_clut(void)
284 int offs = fbimg_offs;
285 offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
287 sceGuSync(0,0); // sync with prev
288 sceGuStart(GU_DIRECT, guCmdList);
289 sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
293 if (!blit_16bit_mode) { // the current mode is not 16bit
294 sceGuTexMode(GU_PSM_5650, 0, 0, 0);
295 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240);
302 if (blit_16bit_mode) {
303 sceGuClutMode(GU_PSM_5650,0,0xff,0);
304 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
305 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
309 if ((PicoOpt&0x10) && Pico.m.dirtyPal)
312 sceKernelDcacheWritebackAll();
314 if (need_pal_upload) {
316 sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
321 if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x)
323 struct Vertex* vertices;
326 #define SLICE_WIDTH 32
327 for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH)
330 vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
331 memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex));
332 vertices[0].u = vertices[0].x = x;
333 vertices[1].u = vertices[1].x = x + SLICE_WIDTH;
334 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices);
336 // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only
340 sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices);
346 static void cd_leds(void)
348 unsigned int reg, col_g, col_r, *p;
350 reg = Pico_mcd->s68k_regs[0];
352 p = (unsigned int *)((short *)psp_screen + 512*2+4+2);
353 col_g = (reg & 2) ? 0x06000600 : 0;
354 col_r = (reg & 1) ? 0x00180018 : 0;
355 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
356 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
357 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
360 static void draw_pico_ptr(void)
362 unsigned char *p = (unsigned char *)VRAM_STUFF + 16;
364 // only if pen enabled and for 8bit mode
365 if (pico_inp_mode == 0 || blit_16bit_mode) return;
367 p += 512 * (pico_pen_y + PICO_PEN_ADJUST_Y);
368 p += pico_pen_x + PICO_PEN_ADJUST_X;
369 p[ -1] = 0xe0; p[ 0] = 0xf0; p[ 1] = 0xe0;
370 p[ 511] = 0xf0; p[ 512] = 0xf0; p[ 513] = 0xf0;
371 p[1023] = 0xe0; p[1024] = 0xf0; p[1025] = 0xe0;
376 static void dbg_text(void)
381 sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode);
382 len = strlen(text) * 8 / 2;
383 for (h = 0; h < 8; h++) {
384 p = (int *) ((unsigned short *) psp_screen+2+512*(256+h));
385 p = (int *) ((int)p & ~3); // align
386 memset32_uncached(p, 0, len);
388 emu_text_out16(2, 256, text);
392 /* called after rendering is done, but frame emulation is not finished */
399 // clear top and bottom trash
400 for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512)
401 memset32((int *)pd, 0xe0e0e0e0, 320/4);
402 for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
403 memset32((int *)pd, 0xe0e0e0e0, 320/4);
406 if (PicoAHW & PAHW_PICO)
413 static void blit2(const char *fps, const char *notice, int lagging_behind)
415 int vsync = 0, emu_opt = currentConfig.EmuOpt;
417 if (notice || (emu_opt & 2)) {
418 if (notice) osd_text(4, notice, 0, 0);
419 if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0);
424 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))
427 if (currentConfig.EmuOpt & 0x2000) { // want vsync
428 if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1;
431 psp_video_flip(vsync);
434 // clears whole screen or just the notice area (in all buffers)
435 static void clearArea(int full)
438 memset32_uncached(psp_screen, 0, 512*272*2/4);
440 memset32_uncached(psp_screen, 0, 512*272*2/4);
441 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4);
442 memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4);
444 void *fb = psp_video_get_active_fb();
445 memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4);
446 memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4);
450 static void vidResetMode(void)
453 sceGuSync(0,0); // sync with prev
454 sceGuStart(GU_DIRECT, guCmdList);
456 sceGuClutMode(GU_PSM_5650,0,0xff,0);
457 sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
458 sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
459 if (currentConfig.scaling)
460 sceGuTexFilter(GU_LINEAR, GU_LINEAR);
461 else sceGuTexFilter(GU_NEAREST, GU_NEAREST);
462 sceGuTexScale(1.0f,1.0f);
463 sceGuTexOffset(0.0f,0.0f);
465 sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
468 PicoDrawSetOutFormat(PDF_NONE, 0);
469 PicoDrawSetCallbacks(EmuScanSlowBegin, EmuScanSlowEnd);
472 localPal[0xf0] = 0x001f;
474 blit_16bit_mode = dynamic_palette = 0;
477 set_scaling_params();
481 void plat_debug_cat(char *str)
483 strcat(str, blit_16bit_mode ? "soft clut\n" : "hard clut\n");
488 #define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152
489 #define SOUND_BLOCK_SIZE_PAL (1764*2)
490 #define SOUND_BLOCK_COUNT 8
492 static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2];
493 static short *snd_playptr = NULL, *sndBuffer_endptr = NULL;
494 static int samples_made = 0, samples_done = 0, samples_block = 0;
495 static int sound_thread_exit = 0;
496 static SceUID sound_sem = -1;
498 static void writeSound(int len);
500 static int sound_thread(SceSize args, void *argp)
504 lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority());
506 while (!sound_thread_exit)
508 if (samples_made - samples_done < samples_block) {
509 // wait for data (use at least 2 blocks)
510 //lprintf("sthr: wait... (%i)\n", samples_made - samples_done);
511 while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit)
512 ret = sceKernelWaitSema(sound_sem, 1, 0);
513 if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret);
517 // lprintf("sthr: got data: %i\n", samples_made - samples_done);
519 ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
521 samples_done += samples_block;
522 snd_playptr += samples_block;
523 if (snd_playptr >= sndBuffer_endptr)
524 snd_playptr = sndBuffer;
525 // 1.5 kernel returns 0, newer ones return # of samples queued
527 lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made);
529 // shouln't happen, but just in case
530 if (samples_made - samples_done >= samples_block*3) {
531 //lprintf("sthr: block skip (%i)\n", samples_made - samples_done);
532 samples_done += samples_block; // skip
533 snd_playptr += samples_block;
538 lprintf("sthr: exit\n");
539 sceKernelExitDeleteThread(0);
543 static void sound_init(void)
548 sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL);
549 if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem);
551 samples_made = samples_done = 0;
552 samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema
553 sound_thread_exit = 0;
554 thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL);
557 ret = sceKernelStartThread(thid, 0, 0);
558 if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret);
561 lprintf("sceKernelCreateThread failed: %i\n", thid);
564 void pemu_sound_start(void)
566 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
569 samples_made = samples_done = 0;
571 if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
572 PsndRerate(Pico.m.frame_count ? 1 : 0);
574 stereo=(PicoOpt&8)>>3;
576 samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC;
577 if (PsndRate <= 22050) samples_block /= 2;
578 sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT];
580 lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n",
581 PsndRate, PsndLen, stereo, Pico.m.pal, samples_block);
583 // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
584 // sceAudio_5C37C0AE();
585 ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment
587 lprintf("sceAudio_38553111() failed: %i\n", ret);
588 emu_status_msg("sound init failed (%i), snd disabled", ret);
589 currentConfig.EmuOpt &= ~EOPT_EN_SOUND;
591 PicoWriteSound = writeSound;
592 memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
593 snd_playptr = sndBuffer_endptr - samples_block;
594 samples_made = samples_block; // send 1 empty block first..
596 PsndRate_old = PsndRate;
597 PicoOpt_old = PicoOpt;
598 pal_old = Pico.m.pal;
602 void pemu_sound_stop(void)
605 if (samples_done == 0)
607 // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls,
608 // we get a deadlock on next sceAudio_38553111 call
609 // so this is yet another workaround:
610 memset32((int *)(void *)sndBuffer, 0, samples_block*4/4);
611 samples_made = samples_block * 3;
612 sceKernelSignalSema(sound_sem, 1);
614 sceKernelDelayThread(100*1000);
615 samples_made = samples_done = 0;
616 for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++)
621 /* wait until we can write more sound */
622 void pemu_sound_wait(void)
625 while (!sound_thread_exit && samples_made - samples_done > samples_block * 4)
629 static void sound_deinit(void)
631 sound_thread_exit = 1;
632 sceKernelSignalSema(sound_sem, 1);
633 sceKernelDeleteSema(sound_sem);
637 static void writeSound(int len)
642 /*if (PsndOut > sndBuffer_endptr) {
643 memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
644 PsndOut = &sndBuffer[PsndOut - endptr];
648 if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr);
649 if (PsndOut >= sndBuffer_endptr)
652 // signal the snd thread
653 samples_made += len / 2;
654 if (samples_made - samples_done > samples_block*2) {
655 // lprintf("signal, %i/%i\n", samples_done, samples_made);
656 ret = sceKernelSignalSema(sound_sem, 1);
657 //if (ret < 0) lprintf("snd signal ret %08x\n", ret);
662 static void SkipFrame(void)
669 void pemu_forced_frame(int no_scale, int do_emu)
671 int po_old = PicoOpt;
672 int eo_old = currentConfig.EmuOpt;
674 PicoOpt &= ~POPT_ALT_RENDERER;
675 PicoOpt |= POPT_ACC_SPRITES;
677 PicoOpt |= POPT_EN_SOFTSCALE;
678 currentConfig.EmuOpt |= 0x80;
681 memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
682 memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
683 memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
685 PicoDrawSetOutFormat(PDF_NONE, 0);
686 PicoDrawSetCallbacks(EmuScanSlowBegin, EmuScanSlowEnd);
693 currentConfig.EmuOpt = eo_old;
697 static void RunEventsPico(unsigned int events, unsigned int keys)
699 emu_RunEventsPico(events);
701 if (pico_inp_mode != 0)
703 PicoPad[0] &= ~0x0f; // release UDLR
704 if (keys & PBTN_UP) { pico_pen_y--; if (pico_pen_y < 8) pico_pen_y = 8; }
705 if (keys & PBTN_DOWN) { pico_pen_y++; if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y; }
706 if (keys & PBTN_LEFT) { pico_pen_x--; if (pico_pen_x < 0) pico_pen_x = 0; }
707 if (keys & PBTN_RIGHT) {
708 int lim = (Pico.video.reg[12]&1) ? 319 : 255;
710 if (pico_pen_x > lim-PICO_PEN_ADJUST_X)
711 pico_pen_x = lim-PICO_PEN_ADJUST_X;
713 PicoPicohw.pen_pos[0] = pico_pen_x;
714 if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;
715 PicoPicohw.pen_pos[0] += 0x3c;
716 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
720 static void RunEvents(unsigned int which)
722 if (which & 0x1800) // save or load (but not both)
726 if ( emu_check_save_file(state_slot) &&
727 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load
728 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save
732 blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0);
733 while( !((keys = psp_pad_read(1)) & (PBTN_X|PBTN_CIRCLE)) )
735 if (keys & PBTN_CIRCLE) do_it = 0;
736 while( ((keys = psp_pad_read(1)) & (PBTN_X|PBTN_CIRCLE)) ) // wait for release
743 osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0);
744 PicoStateProgressCB = emu_msg_cb;
745 emu_save_load_game((which & 0x1000) >> 12, 0);
746 PicoStateProgressCB = NULL;
752 if (which & 0x0400) // switch renderer
754 if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }
755 else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
759 if (PicoOpt & POPT_ALT_RENDERER)
760 emu_status_msg("fast renderer");
761 else if (currentConfig.EmuOpt&0x80)
762 emu_status_msg("accurate renderer");
768 if(state_slot < 0) state_slot = 9;
771 if(state_slot > 9) state_slot = 0;
773 emu_status_msg("SAVE SLOT %i [%s]", state_slot,
774 emu_check_save_file(state_slot) ? "USED" : "FREE");
778 static void updateKeys(void)
780 unsigned int keys, allActions[2] = { 0, 0 }, events;
781 static unsigned int prevEvents = 0;
784 /* FIXME: port to input fw, merge with emu.c:emu_update_input() */
785 keys = psp_pad_read(0);
786 if (keys & PSP_CTRL_HOME)
787 sceDisplayWaitVblankStart();
789 if (keys & PBTN_SELECT)
790 engineState = PGS_Menu;
792 keys &= CONFIGURABLE_KEYS;
794 PicoPad[0] = allActions[0] & 0xfff;
795 PicoPad[1] = allActions[1] & 0xfff;
797 if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);
798 if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);
800 events = (allActions[0] | allActions[1]) >> 16;
802 if ((events ^ prevEvents) & 0x40) {
803 emu_set_fastforward(events & 0x40);
807 events &= ~prevEvents;
809 if (PicoAHW == PAHW_PICO)
810 RunEventsPico(events, keys);
811 if (events) RunEvents(events);
812 if (movie_data) emu_updateMovie();
814 prevEvents = (allActions[0] | allActions[1]) >> 16;
818 static void simpleWait(unsigned int until)
823 tval = sceKernelGetSystemTimeLow();
824 diff = (int)until - (int)tval;
825 if (diff >= 512 && diff < 100*1024)
826 sceKernelDelayThread(diff);
831 static int mp3_init_done = 0;
832 char fpsbuff[24]; // fps count c string
833 unsigned int tval, tval_thissec = 0; // timing
834 int target_fps, target_frametime, lim_time, tval_diff, i, oldmodes = 0;
835 int pframes_done, pframes_shown; // "period" frames, used for sync
836 int frames_done, frames_shown, tval_fpsc = 0; // actual frames
839 lprintf("entered emu_Loop()\n");
843 if (currentConfig.CPUclock != psp_get_cpu_clock()) {
844 lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock);
845 i = psp_set_cpu_clock(currentConfig.CPUclock);
846 lprintf(i ? "failed\n" : "done\n");
847 currentConfig.CPUclock = psp_get_cpu_clock();
850 // make sure we are in correct mode
854 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
856 // pal/ntsc might have changed, reset related stuff
857 target_fps = Pico.m.pal ? 50 : 60;
858 target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1;
861 if (PicoAHW & PAHW_MCD) {
865 if (!mp3_init_done) {
868 if (i) { engineState = PGS_Menu; return; }
872 // prepare sound stuff
874 if (currentConfig.EmuOpt & EOPT_EN_SOUND)
879 sceDisplayWaitVblankStart();
880 pframes_shown = pframes_done =
881 frames_shown = frames_done = 0;
883 tval_fpsc = sceKernelGetSystemTimeLow();
886 while (engineState == PGS_Running)
890 tval = sceKernelGetSystemTimeLow();
891 if (reset_timing || tval < tval_fpsc) {
892 //stdbg("timing reset");
895 pframes_shown = pframes_done = 0;
898 // show notice message?
900 static int noticeMsgSum;
901 if (tval - noticeMsgTime > 2000000) { // > 2.0 sec
906 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];
907 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }
912 // check for mode changes
913 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);
914 if (modes != oldmodes) {
917 set_scaling_params();
921 if (tval - tval_fpsc >= 1000000)
923 if (currentConfig.EmuOpt & 2)
924 sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);
925 frames_done = frames_shown = 0;
926 tval_fpsc += 1000000;
929 if (tval - tval_thissec >= 1000000)
932 if (currentConfig.Frameskip < 0 && pframes_done < target_fps) {
933 SkipFrame(); pframes_done++; frames_done++;
936 tval_thissec += 1000000;
938 if (currentConfig.Frameskip < 0) {
939 pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;
940 pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;
941 if (pframes_shown > pframes_done) pframes_shown = pframes_done;
943 pframes_done = pframes_shown = 0;
947 sprintf(fpsbuff, "%i", Pico.m.frame_count);
950 lim_time = (pframes_done+1) * target_frametime;
951 if (currentConfig.Frameskip >= 0) // frameskip enabled
953 for (i = 0; i < currentConfig.Frameskip; i++) {
955 SkipFrame(); pframes_done++; frames_done++;
956 if (!(currentConfig.EmuOpt&0x40000)) { // do framelimitting if needed
958 tval = sceKernelGetSystemTimeLow();
959 tval_diff = (int)(tval - tval_thissec) << 8;
960 if (tval_diff < lim_time) // we are too fast
961 simpleWait(tval + ((lim_time - tval_diff)>>8));
963 lim_time += target_frametime;
966 else // auto frameskip
969 tval = sceKernelGetSystemTimeLow();
970 tval_diff = (int)(tval - tval_thissec) << 8;
971 if (tval_diff > lim_time && (pframes_done/16 < pframes_shown))
973 // no time left for this frame - skip
974 if (tval_diff - lim_time >= (300000<<8)) {
979 SkipFrame(); pframes_done++; frames_done++;
994 tval = sceKernelGetSystemTimeLow();
995 tval_diff = (int)(tval - tval_thissec) << 8;
997 blit2(fpsbuff, notice, tval_diff > lim_time);
999 if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) { // slowdown detection
1002 else if (!(currentConfig.EmuOpt&0x40000) || currentConfig.Frameskip < 0)
1004 // sleep if we are still too fast
1005 if (tval_diff < lim_time)
1008 simpleWait(tval + ((lim_time - tval_diff) >> 8));
1012 pframes_done++; pframes_shown++;
1013 frames_done++; frames_shown++;
1017 emu_set_fastforward(0);
1019 if (PicoAHW & PAHW_MCD) PicoCDBufferFree();
1021 if (PsndOut != NULL) {
1027 if ((currentConfig.EmuOpt & 1) && SRam.changed) {
1028 emu_msg_cb("Writing SRAM/BRAM..");
1029 emu_save_load_game(0, 1);
1033 // clear fps counters and stuff
1034 memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
1037 void emu_HandleResume(void)
1039 if (!(PicoAHW & PAHW_MCD)) return;
1041 // reopen first CD track
1042 if (Pico_mcd->TOC.Tracks[0].F != NULL)
1044 char *fname = rom_fname_reload;
1045 int len = strlen(rom_fname_reload);
1046 cue_data_t *cue_data = NULL;
1048 if (len > 4 && strcasecmp(fname + len - 4, ".cue") == 0)
1050 cue_data = cue_parse(rom_fname_reload);
1051 if (cue_data != NULL)
1052 fname = cue_data->tracks[1].fname;
1055 lprintf("emu_HandleResume: reopen %s\n", fname);
1056 pm_close(Pico_mcd->TOC.Tracks[0].F);
1057 Pico_mcd->TOC.Tracks[0].F = pm_open(fname);
1058 lprintf("reopen %s\n", Pico_mcd->TOC.Tracks[0].F != NULL ? "ok" : "failed");
1060 if (cue_data != NULL) cue_destroy(cue_data);
1065 if (!(Pico_mcd->s68k_regs[0x36] & 1) && (Pico_mcd->scd.Status_CDC & 1))