| 1 | // (c) Copyright 2007 notaz, All rights reserved. |
| 2 | // Free for non-commercial use. |
| 3 | |
| 4 | // For commercial use, separate licencing terms must be obtained. |
| 5 | |
| 6 | #include <sys/stat.h> |
| 7 | #include <sys/types.h> |
| 8 | #include <sys/syslimits.h> // PATH_MAX |
| 9 | |
| 10 | #include <pspthreadman.h> |
| 11 | #include <pspdisplay.h> |
| 12 | #include <psputils.h> |
| 13 | #include <pspgu.h> |
| 14 | #include <pspaudio.h> |
| 15 | |
| 16 | #include "psp.h" |
| 17 | #include "menu.h" |
| 18 | #include "emu.h" |
| 19 | #include "mp3.h" |
| 20 | #include "asm_utils.h" |
| 21 | #include "../common/emu.h" |
| 22 | #include "../common/lprintf.h" |
| 23 | #include "../../Pico/PicoInt.h" |
| 24 | |
| 25 | #define OSD_FPS_X 432 |
| 26 | |
| 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(); |
| 32 | |
| 33 | |
| 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; |
| 37 | |
| 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? |
| 41 | |
| 42 | |
| 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); |
| 47 | |
| 48 | void emu_noticeMsgUpdated(void) |
| 49 | { |
| 50 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
| 51 | } |
| 52 | |
| 53 | void emu_getMainDir(char *dst, int len) |
| 54 | { |
| 55 | if (len > 0) *dst = 0; |
| 56 | } |
| 57 | |
| 58 | static void osd_text(int x, const char *text, int is_active, int clear_all) |
| 59 | { |
| 60 | unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen; |
| 61 | int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2); |
| 62 | int *p, h; |
| 63 | void *tmp; |
| 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); |
| 68 | } |
| 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; |
| 72 | } |
| 73 | |
| 74 | void emu_msg_cb(const char *msg) |
| 75 | { |
| 76 | osd_text(4, msg, 1, 1); |
| 77 | noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000; |
| 78 | |
| 79 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */ |
| 80 | reset_timing = 1; |
| 81 | } |
| 82 | |
| 83 | static void emu_msg_tray_open(void) |
| 84 | { |
| 85 | strcpy(noticeMsg, "CD tray opened"); |
| 86 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
| 87 | } |
| 88 | |
| 89 | |
| 90 | void emu_Init(void) |
| 91 | { |
| 92 | // make dirs for saves, cfgs, etc. |
| 93 | mkdir("mds", 0777); |
| 94 | mkdir("srm", 0777); |
| 95 | mkdir("brm", 0777); |
| 96 | mkdir("cfg", 0777); |
| 97 | |
| 98 | sound_init(); |
| 99 | |
| 100 | PicoInit(); |
| 101 | PicoMessage = emu_msg_cb; |
| 102 | PicoMCDopenTray = emu_msg_tray_open; |
| 103 | PicoMCDcloseTray = menu_loop_tray; |
| 104 | } |
| 105 | |
| 106 | void emu_Deinit(void) |
| 107 | { |
| 108 | // save SRAM |
| 109 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
| 110 | emu_SaveLoadGame(0, 1); |
| 111 | SRam.changed = 0; |
| 112 | } |
| 113 | |
| 114 | if (!(currentConfig.EmuOpt & 0x20)) { |
| 115 | FILE *f = fopen(PicoConfigFile, "r+b"); |
| 116 | if (!f) emu_WriteConfig(0); |
| 117 | else { |
| 118 | // if we already have config, reload it, except last ROM |
| 119 | fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET); |
| 120 | fread(¤tConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f); |
| 121 | fseek(f, 0, SEEK_SET); |
| 122 | fwrite(¤tConfig, 1, sizeof(currentConfig), f); |
| 123 | fflush(f); |
| 124 | fclose(f); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | PicoExit(); |
| 129 | sound_deinit(); |
| 130 | } |
| 131 | |
| 132 | void emu_setDefaultConfig(void) |
| 133 | { |
| 134 | memset(¤tConfig, 0, sizeof(currentConfig)); |
| 135 | currentConfig.lastRomFile[0] = 0; |
| 136 | currentConfig.EmuOpt = 0x1d | 0x680; // | confirm_save, cd_leds, acc rend |
| 137 | currentConfig.PicoOpt = 0x0f | 0x1c00; // | gfx_cd, cd_pcm, cd_cdda |
| 138 | currentConfig.PsndRate = 22050; |
| 139 | currentConfig.PicoRegion = 0; // auto |
| 140 | currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP |
| 141 | currentConfig.Frameskip = -1; // auto |
| 142 | currentConfig.volume = 50; |
| 143 | currentConfig.CPUclock = 333; |
| 144 | currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU |
| 145 | currentConfig.KeyBinds[ 6] = 1<<1; |
| 146 | currentConfig.KeyBinds[ 7] = 1<<2; |
| 147 | currentConfig.KeyBinds[ 5] = 1<<3; |
| 148 | currentConfig.KeyBinds[14] = 1<<4; |
| 149 | currentConfig.KeyBinds[13] = 1<<5; |
| 150 | currentConfig.KeyBinds[15] = 1<<6; |
| 151 | currentConfig.KeyBinds[ 3] = 1<<7; |
| 152 | currentConfig.KeyBinds[12] = 1<<26; // switch rnd |
| 153 | currentConfig.KeyBinds[ 8] = 1<<27; // save state |
| 154 | currentConfig.KeyBinds[ 9] = 1<<28; // load state |
| 155 | currentConfig.KeyBinds[28] = 1<<0; // num "buttons" |
| 156 | currentConfig.KeyBinds[30] = 1<<1; |
| 157 | currentConfig.KeyBinds[31] = 1<<2; |
| 158 | currentConfig.KeyBinds[29] = 1<<3; |
| 159 | currentConfig.PicoCDBuffers = 64; |
| 160 | currentConfig.scaling = 1; // bilinear filtering for psp |
| 161 | currentConfig.scale = 1.20; // fullscreen |
| 162 | currentConfig.hscale40 = 1.25; |
| 163 | currentConfig.hscale32 = 1.56; |
| 164 | } |
| 165 | |
| 166 | |
| 167 | extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count); |
| 168 | |
| 169 | struct Vertex |
| 170 | { |
| 171 | short u,v; |
| 172 | short x,y,z; |
| 173 | }; |
| 174 | |
| 175 | static struct Vertex __attribute__((aligned(4))) g_vertices[2]; |
| 176 | static unsigned short __attribute__((aligned(16))) localPal[0x100]; |
| 177 | static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0; |
| 178 | static int fbimg_offs = 0; |
| 179 | |
| 180 | static void set_scaling_params(void) |
| 181 | { |
| 182 | int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0; |
| 183 | g_vertices[0].x = g_vertices[0].y = |
| 184 | g_vertices[0].z = g_vertices[1].z = 0; |
| 185 | |
| 186 | fbimg_height = (int)(240.0 * currentConfig.scale + 0.5); |
| 187 | if (Pico.video.reg[12] & 1) { |
| 188 | fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5); |
| 189 | src_width = 320; |
| 190 | } else { |
| 191 | fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5); |
| 192 | src_width = 256; |
| 193 | } |
| 194 | |
| 195 | if (fbimg_width & 1) fbimg_width++; // make even |
| 196 | if (fbimg_height & 1) fbimg_height++; |
| 197 | |
| 198 | if (fbimg_width >= 480) { |
| 199 | g_vertices[0].u = (fbimg_width-480)/2; |
| 200 | g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1; |
| 201 | fbimg_width = 480; |
| 202 | fbimg_xoffs = 0; |
| 203 | } else { |
| 204 | g_vertices[0].u = 0; |
| 205 | g_vertices[1].u = src_width; |
| 206 | fbimg_xoffs = 240 - fbimg_width/2; |
| 207 | } |
| 208 | if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1; |
| 209 | |
| 210 | if (fbimg_height >= 272) { |
| 211 | g_vertices[0].v = (fbimg_height-272)/2; |
| 212 | g_vertices[1].v = 240 - (fbimg_height-272)/2; |
| 213 | fbimg_height = 272; |
| 214 | fbimg_yoffs = 0; |
| 215 | } else { |
| 216 | g_vertices[0].v = 0; |
| 217 | g_vertices[1].v = 240; |
| 218 | fbimg_yoffs = 136 - fbimg_height/2; |
| 219 | } |
| 220 | |
| 221 | g_vertices[1].x = fbimg_width; |
| 222 | g_vertices[1].y = fbimg_height; |
| 223 | if (fbimg_xoffs < 0) fbimg_xoffs = 0; |
| 224 | if (fbimg_yoffs < 0) fbimg_yoffs = 0; |
| 225 | if (border_hack) { |
| 226 | g_vertices[0].u++; |
| 227 | g_vertices[0].x++; |
| 228 | g_vertices[1].u--; |
| 229 | g_vertices[1].x--; |
| 230 | } |
| 231 | fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit |
| 232 | |
| 233 | /* |
| 234 | lprintf("set_scaling_params:\n"); |
| 235 | lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs); |
| 236 | lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y); |
| 237 | lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v); |
| 238 | */ |
| 239 | } |
| 240 | |
| 241 | static void do_pal_update(int allow_sh) |
| 242 | { |
| 243 | unsigned int *dpal=(void *)localPal; |
| 244 | int i; |
| 245 | |
| 246 | //for (i = 0x3f/2; i >= 0; i--) |
| 247 | // dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4); |
| 248 | do_pal_convert(localPal, Pico.cram, currentConfig.gamma); |
| 249 | |
| 250 | if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight? |
| 251 | { |
| 252 | // shadowed pixels |
| 253 | for (i = 0x3f/2; i >= 0; i--) |
| 254 | dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x7bcf7bcf; |
| 255 | // hilighted pixels |
| 256 | for (i = 0x3f; i >= 0; i--) { |
| 257 | int t=localPal[i]&0xf79e;t+=0x4208; |
| 258 | if (t&0x20) t|=0x1e; |
| 259 | if (t&0x800) t|=0x780; |
| 260 | if (t&0x10000) t|=0xf000; |
| 261 | t&=0xf79e; |
| 262 | localPal[0x80|i]=(unsigned short)t; |
| 263 | } |
| 264 | localPal[0xe0] = 0; |
| 265 | } |
| 266 | Pico.m.dirtyPal = 0; |
| 267 | need_pal_upload = 1; |
| 268 | } |
| 269 | |
| 270 | static void do_slowmode_lines(int line_to) |
| 271 | { |
| 272 | int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256; |
| 273 | unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2; |
| 274 | unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16; |
| 275 | if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; } |
| 276 | |
| 277 | for (; line < line_to; line++, dst+=512, src+=512) |
| 278 | amips_clut(dst, src, localPal, line_len); |
| 279 | } |
| 280 | |
| 281 | static void EmuScanPrepare(void) |
| 282 | { |
| 283 | HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8; |
| 284 | if (!(Pico.video.reg[1]&8)) HighCol += 8*512; |
| 285 | |
| 286 | dynamic_palette = 0; |
| 287 | if (Pico.m.dirtyPal) |
| 288 | do_pal_update(1); |
| 289 | } |
| 290 | |
| 291 | static int EmuScanSlow(unsigned int num, void *sdata) |
| 292 | { |
| 293 | if (!(Pico.video.reg[1]&8)) num += 8; |
| 294 | |
| 295 | if (Pico.m.dirtyPal) { |
| 296 | if (!dynamic_palette) { |
| 297 | do_slowmode_lines(num); |
| 298 | dynamic_palette = 1; |
| 299 | } |
| 300 | do_pal_update(1); |
| 301 | } |
| 302 | |
| 303 | if (dynamic_palette) { |
| 304 | int line_len = (Pico.video.reg[12]&1) ? 320 : 256; |
| 305 | void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num; |
| 306 | amips_clut(dst, HighCol + 8, localPal, line_len); |
| 307 | } else |
| 308 | HighCol = (unsigned char *)VRAM_CACHED_STUFF + (num+1)*512 + 8; |
| 309 | |
| 310 | return 0; |
| 311 | } |
| 312 | |
| 313 | static void blitscreen_clut(void) |
| 314 | { |
| 315 | int offs = fbimg_offs; |
| 316 | offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1; |
| 317 | |
| 318 | sceGuSync(0,0); // sync with prev |
| 319 | sceGuStart(GU_DIRECT, guCmdList); |
| 320 | sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer |
| 321 | |
| 322 | if (dynamic_palette) |
| 323 | { |
| 324 | if (!blit_16bit_mode) { |
| 325 | sceGuTexMode(GU_PSM_5650, 0, 0, 0); |
| 326 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240); |
| 327 | |
| 328 | blit_16bit_mode = 1; |
| 329 | } |
| 330 | } |
| 331 | else |
| 332 | { |
| 333 | if (blit_16bit_mode) { |
| 334 | sceGuClutMode(GU_PSM_5650,0,0xff,0); |
| 335 | sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image |
| 336 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16); |
| 337 | blit_16bit_mode = 0; |
| 338 | } |
| 339 | |
| 340 | if ((PicoOpt&0x10) && Pico.m.dirtyPal) |
| 341 | do_pal_update(0); |
| 342 | |
| 343 | sceKernelDcacheWritebackAll(); |
| 344 | |
| 345 | if (need_pal_upload) { |
| 346 | need_pal_upload = 0; |
| 347 | sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | #if 1 |
| 352 | if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x) |
| 353 | { |
| 354 | struct Vertex* vertices; |
| 355 | int x; |
| 356 | |
| 357 | #define SLICE_WIDTH 32 |
| 358 | for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH) |
| 359 | { |
| 360 | // render sprite |
| 361 | vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex)); |
| 362 | memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex)); |
| 363 | vertices[0].u = vertices[0].x = x; |
| 364 | vertices[1].u = vertices[1].x = x + SLICE_WIDTH; |
| 365 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices); |
| 366 | } |
| 367 | // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only |
| 368 | } |
| 369 | else |
| 370 | #endif |
| 371 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices); |
| 372 | |
| 373 | sceGuFinish(); |
| 374 | } |
| 375 | |
| 376 | |
| 377 | static void cd_leds(void) |
| 378 | { |
| 379 | unsigned int reg, col_g, col_r, *p; |
| 380 | |
| 381 | reg = Pico_mcd->s68k_regs[0]; |
| 382 | |
| 383 | p = (unsigned int *)((short *)psp_screen + 512*2+4+2); |
| 384 | col_g = (reg & 2) ? 0x06000600 : 0; |
| 385 | col_r = (reg & 1) ? 0x00180018 : 0; |
| 386 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
| 387 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
| 388 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; |
| 389 | } |
| 390 | |
| 391 | #if 0 |
| 392 | static void dbg_text(void) |
| 393 | { |
| 394 | int *p, h, len; |
| 395 | char text[128]; |
| 396 | |
| 397 | sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode); |
| 398 | len = strlen(text) * 8 / 2; |
| 399 | for (h = 0; h < 8; h++) { |
| 400 | p = (int *) ((unsigned short *) psp_screen+2+512*(256+h)); |
| 401 | p = (int *) ((int)p & ~3); // align |
| 402 | memset32_uncached(p, 0, len); |
| 403 | } |
| 404 | emu_textOut16(2, 256, text); |
| 405 | } |
| 406 | #endif |
| 407 | |
| 408 | /* called after rendering is done, but frame emulation is not finished */ |
| 409 | void blit1(void) |
| 410 | { |
| 411 | if (PicoOpt&0x10) |
| 412 | { |
| 413 | int i; |
| 414 | unsigned char *pd; |
| 415 | // clear top and bottom trash |
| 416 | for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512) |
| 417 | memset32((int *)pd, 0xe0e0e0e0, 320/4); |
| 418 | for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512) |
| 419 | memset32((int *)pd, 0xe0e0e0e0, 320/4); |
| 420 | } |
| 421 | |
| 422 | blitscreen_clut(); |
| 423 | } |
| 424 | |
| 425 | |
| 426 | static void blit2(const char *fps, const char *notice, int lagging_behind) |
| 427 | { |
| 428 | int vsync = 0, emu_opt = currentConfig.EmuOpt; |
| 429 | |
| 430 | if (notice || (emu_opt & 2)) { |
| 431 | if (notice) osd_text(4, notice, 0, 0); |
| 432 | if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0); |
| 433 | } |
| 434 | |
| 435 | //dbg_text(); |
| 436 | |
| 437 | if ((emu_opt & 0x400) && (PicoMCD & 1)) |
| 438 | cd_leds(); |
| 439 | |
| 440 | if (currentConfig.EmuOpt & 0x2000) { // want vsync |
| 441 | if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1; |
| 442 | } |
| 443 | |
| 444 | psp_video_flip(vsync); |
| 445 | } |
| 446 | |
| 447 | // clears whole screen or just the notice area (in all buffers) |
| 448 | static void clearArea(int full) |
| 449 | { |
| 450 | if (full) { |
| 451 | memset32_uncached(psp_screen, 0, 512*272*2/4); |
| 452 | psp_video_flip(0); |
| 453 | memset32_uncached(psp_screen, 0, 512*272*2/4); |
| 454 | memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4); |
| 455 | memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4); |
| 456 | } else { |
| 457 | void *fb = psp_video_get_active_fb(); |
| 458 | memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4); |
| 459 | memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | static void vidResetMode(void) |
| 464 | { |
| 465 | // setup GU |
| 466 | sceGuSync(0,0); // sync with prev |
| 467 | sceGuStart(GU_DIRECT, guCmdList); |
| 468 | |
| 469 | sceGuClutMode(GU_PSM_5650,0,0xff,0); |
| 470 | sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image |
| 471 | sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB); |
| 472 | if (currentConfig.scaling) |
| 473 | sceGuTexFilter(GU_LINEAR, GU_LINEAR); |
| 474 | else sceGuTexFilter(GU_NEAREST, GU_NEAREST); |
| 475 | sceGuTexScale(1.0f,1.0f); |
| 476 | sceGuTexOffset(0.0f,0.0f); |
| 477 | |
| 478 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16); |
| 479 | |
| 480 | // slow rend. |
| 481 | PicoDrawSetColorFormat(-1); |
| 482 | PicoScan = EmuScanSlow; |
| 483 | |
| 484 | localPal[0xe0] = 0; |
| 485 | Pico.m.dirtyPal = 1; |
| 486 | blit_16bit_mode = dynamic_palette = 0; |
| 487 | |
| 488 | sceGuFinish(); |
| 489 | set_scaling_params(); |
| 490 | sceGuSync(0,0); |
| 491 | } |
| 492 | |
| 493 | |
| 494 | /* sound stuff */ |
| 495 | #define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152 |
| 496 | #define SOUND_BLOCK_SIZE_PAL (1764*2) |
| 497 | #define SOUND_BLOCK_COUNT 8 |
| 498 | |
| 499 | static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2]; |
| 500 | static short *snd_playptr = NULL, *sndBuffer_endptr = NULL; |
| 501 | static int samples_made = 0, samples_done = 0, samples_block = 0; |
| 502 | static int sound_thread_exit = 0; |
| 503 | static SceUID sound_sem = -1; |
| 504 | |
| 505 | static void writeSound(int len); |
| 506 | |
| 507 | static int sound_thread(SceSize args, void *argp) |
| 508 | { |
| 509 | int ret = 0; |
| 510 | |
| 511 | lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority()); |
| 512 | |
| 513 | while (!sound_thread_exit) |
| 514 | { |
| 515 | if (samples_made - samples_done < samples_block) { |
| 516 | // wait for data (use at least 2 blocks) |
| 517 | //lprintf("sthr: wait... (%i)\n", samples_made - samples_done); |
| 518 | while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit) |
| 519 | ret = sceKernelWaitSema(sound_sem, 1, 0); |
| 520 | if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret); |
| 521 | continue; |
| 522 | } |
| 523 | |
| 524 | // lprintf("sthr: got data: %i\n", samples_made - samples_done); |
| 525 | |
| 526 | ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr); |
| 527 | |
| 528 | samples_done += samples_block; |
| 529 | snd_playptr += samples_block; |
| 530 | if (snd_playptr >= sndBuffer_endptr) |
| 531 | snd_playptr = sndBuffer; |
| 532 | // 1.5 kernel returns 0, newer ones return # of samples queued |
| 533 | if (ret < 0) |
| 534 | lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made); |
| 535 | |
| 536 | // shouln't happen, but just in case |
| 537 | if (samples_made - samples_done >= samples_block*3) { |
| 538 | //lprintf("sthr: block skip (%i)\n", samples_made - samples_done); |
| 539 | samples_done += samples_block; // skip |
| 540 | snd_playptr += samples_block; |
| 541 | } |
| 542 | |
| 543 | } |
| 544 | |
| 545 | lprintf("sthr: exit\n"); |
| 546 | sceKernelExitDeleteThread(0); |
| 547 | return 0; |
| 548 | } |
| 549 | |
| 550 | static void sound_init(void) |
| 551 | { |
| 552 | SceUID thid; |
| 553 | int ret; |
| 554 | |
| 555 | sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL); |
| 556 | if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem); |
| 557 | |
| 558 | samples_made = samples_done = 0; |
| 559 | samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema |
| 560 | sound_thread_exit = 0; |
| 561 | thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL); |
| 562 | if (thid >= 0) |
| 563 | { |
| 564 | ret = sceKernelStartThread(thid, 0, 0); |
| 565 | if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret); |
| 566 | } |
| 567 | else |
| 568 | lprintf("sceKernelCreateThread failed: %i\n", thid); |
| 569 | } |
| 570 | |
| 571 | static void sound_prepare(void) |
| 572 | { |
| 573 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; |
| 574 | int ret, stereo; |
| 575 | |
| 576 | samples_made = samples_done = 0; |
| 577 | |
| 578 | if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) { |
| 579 | PsndRerate(Pico.m.frame_count ? 1 : 0); |
| 580 | } |
| 581 | stereo=(PicoOpt&8)>>3; |
| 582 | |
| 583 | samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC; |
| 584 | if (PsndRate <= 22050) samples_block /= 2; |
| 585 | sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT]; |
| 586 | |
| 587 | lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n", |
| 588 | PsndRate, PsndLen, stereo, Pico.m.pal, samples_block); |
| 589 | |
| 590 | // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100); |
| 591 | // sceAudio_5C37C0AE(); |
| 592 | ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment |
| 593 | if (ret < 0) { |
| 594 | lprintf("sceAudio_38553111() failed: %i\n", ret); |
| 595 | sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret); |
| 596 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
| 597 | currentConfig.EmuOpt &= ~4; |
| 598 | } else { |
| 599 | PicoWriteSound = writeSound; |
| 600 | memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4); |
| 601 | snd_playptr = sndBuffer_endptr - samples_block; |
| 602 | samples_made = samples_block; // send 1 empty block first.. |
| 603 | PsndOut = sndBuffer; |
| 604 | PsndRate_old = PsndRate; |
| 605 | PicoOpt_old = PicoOpt; |
| 606 | pal_old = Pico.m.pal; |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | static void sound_end(void) |
| 611 | { |
| 612 | int i; |
| 613 | if (samples_done == 0) |
| 614 | { |
| 615 | // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls, |
| 616 | // we get a deadlock on next sceAudio_38553111 call |
| 617 | // so this is yet another workaround: |
| 618 | memset32((int *)(void *)sndBuffer, 0, samples_block*4/4); |
| 619 | samples_made = samples_block * 3; |
| 620 | sceKernelSignalSema(sound_sem, 1); |
| 621 | } |
| 622 | sceKernelDelayThread(100*1000); |
| 623 | samples_made = samples_done = 0; |
| 624 | for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++) |
| 625 | psp_msleep(100); |
| 626 | sceAudio_5C37C0AE(); |
| 627 | } |
| 628 | |
| 629 | static void sound_deinit(void) |
| 630 | { |
| 631 | sound_thread_exit = 1; |
| 632 | sceKernelSignalSema(sound_sem, 1); |
| 633 | sceKernelDeleteSema(sound_sem); |
| 634 | sound_sem = -1; |
| 635 | } |
| 636 | |
| 637 | static void writeSound(int len) |
| 638 | { |
| 639 | int ret; |
| 640 | if (PicoOpt&8) len<<=1; |
| 641 | |
| 642 | PsndOut += len; |
| 643 | /*if (PsndOut > sndBuffer_endptr) { |
| 644 | memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2); |
| 645 | PsndOut = &sndBuffer[PsndOut - endptr]; |
| 646 | lprintf("mov\n"); |
| 647 | } |
| 648 | else*/ |
| 649 | if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr); |
| 650 | if (PsndOut >= sndBuffer_endptr) |
| 651 | PsndOut = sndBuffer; |
| 652 | |
| 653 | // signal the snd thread |
| 654 | samples_made += len; |
| 655 | if (samples_made - samples_done > samples_block*2) { |
| 656 | // lprintf("signal, %i/%i\n", samples_done, samples_made); |
| 657 | ret = sceKernelSignalSema(sound_sem, 1); |
| 658 | //if (ret < 0) lprintf("snd signal ret %08x\n", ret); |
| 659 | } |
| 660 | } |
| 661 | |
| 662 | |
| 663 | static void SkipFrame(void) |
| 664 | { |
| 665 | PicoSkipFrame=1; |
| 666 | PicoFrame(); |
| 667 | PicoSkipFrame=0; |
| 668 | } |
| 669 | |
| 670 | void emu_forcedFrame(void) |
| 671 | { |
| 672 | int po_old = PicoOpt; |
| 673 | int eo_old = currentConfig.EmuOpt; |
| 674 | |
| 675 | PicoOpt &= ~0x0010; |
| 676 | PicoOpt |= 0x4080; // soft_scale | acc_sprites |
| 677 | currentConfig.EmuOpt |= 0x80; |
| 678 | |
| 679 | vidResetMode(); |
| 680 | memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders |
| 681 | memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4); |
| 682 | memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4); |
| 683 | |
| 684 | PicoDrawSetColorFormat(-1); |
| 685 | PicoScan = EmuScanSlow; |
| 686 | EmuScanPrepare(); |
| 687 | PicoFrameDrawOnly(); |
| 688 | blit1(); |
| 689 | sceGuSync(0,0); |
| 690 | |
| 691 | PicoOpt = po_old; |
| 692 | currentConfig.EmuOpt = eo_old; |
| 693 | } |
| 694 | |
| 695 | |
| 696 | static void RunEvents(unsigned int which) |
| 697 | { |
| 698 | if (which & 0x1800) // save or load (but not both) |
| 699 | { |
| 700 | int do_it = 1; |
| 701 | |
| 702 | if ( emu_checkSaveFile(state_slot) && |
| 703 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load |
| 704 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save |
| 705 | { |
| 706 | int keys; |
| 707 | sceGuSync(0,0); |
| 708 | blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0); |
| 709 | while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) |
| 710 | psp_msleep(50); |
| 711 | if (keys & BTN_CIRCLE) do_it = 0; |
| 712 | while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release |
| 713 | psp_msleep(50); |
| 714 | clearArea(0); |
| 715 | } |
| 716 | |
| 717 | if (do_it) |
| 718 | { |
| 719 | osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0); |
| 720 | PicoStateProgressCB = emu_msg_cb; |
| 721 | emu_SaveLoadGame((which & 0x1000) >> 12, 0); |
| 722 | PicoStateProgressCB = NULL; |
| 723 | psp_msleep(0); |
| 724 | } |
| 725 | |
| 726 | reset_timing = 1; |
| 727 | } |
| 728 | if (which & 0x0400) // switch renderer |
| 729 | { |
| 730 | if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; } |
| 731 | else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; } |
| 732 | |
| 733 | vidResetMode(); |
| 734 | |
| 735 | if (PicoOpt&0x10) |
| 736 | strcpy(noticeMsg, "fast renderer"); |
| 737 | else if (currentConfig.EmuOpt&0x80) |
| 738 | strcpy(noticeMsg, "accurate renderer"); |
| 739 | |
| 740 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
| 741 | } |
| 742 | if (which & 0x0300) |
| 743 | { |
| 744 | if(which&0x0200) { |
| 745 | state_slot -= 1; |
| 746 | if(state_slot < 0) state_slot = 9; |
| 747 | } else { |
| 748 | state_slot += 1; |
| 749 | if(state_slot > 9) state_slot = 0; |
| 750 | } |
| 751 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE"); |
| 752 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | static void updateKeys(void) |
| 757 | { |
| 758 | unsigned int keys, allActions[2] = { 0, 0 }, events; |
| 759 | static unsigned int prevEvents = 0; |
| 760 | int i; |
| 761 | |
| 762 | keys = psp_pad_read(0); |
| 763 | if (keys & PSP_CTRL_HOME) |
| 764 | sceDisplayWaitVblankStart(); |
| 765 | |
| 766 | if (keys & BTN_SELECT) |
| 767 | engineState = PGS_Menu; |
| 768 | |
| 769 | keys &= CONFIGURABLE_KEYS; |
| 770 | |
| 771 | for (i = 0; i < 32; i++) |
| 772 | { |
| 773 | if (keys & (1 << i)) |
| 774 | { |
| 775 | int pl, acts = currentConfig.KeyBinds[i]; |
| 776 | if (!acts) continue; |
| 777 | pl = (acts >> 16) & 1; |
| 778 | if (combo_keys & (1 << i)) |
| 779 | { |
| 780 | int u = i+1, acts_c = acts & combo_acts; |
| 781 | // let's try to find the other one |
| 782 | if (acts_c) |
| 783 | for (; u < 32; u++) |
| 784 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) { |
| 785 | allActions[pl] |= acts_c; |
| 786 | keys &= ~((1 << i) | (1 << u)); |
| 787 | break; |
| 788 | } |
| 789 | // add non-combo actions if combo ones were not found |
| 790 | if (!acts_c || u == 32) |
| 791 | allActions[pl] |= acts & ~combo_acts; |
| 792 | } else { |
| 793 | allActions[pl] |= acts; |
| 794 | } |
| 795 | } |
| 796 | } |
| 797 | |
| 798 | PicoPad[0] = (unsigned short) allActions[0]; |
| 799 | PicoPad[1] = (unsigned short) allActions[1]; |
| 800 | |
| 801 | events = (allActions[0] | allActions[1]) >> 16; |
| 802 | |
| 803 | // volume is treated in special way and triggered every frame |
| 804 | if ((events & 0x6000) && PsndOut != NULL) |
| 805 | { |
| 806 | int vol = currentConfig.volume; |
| 807 | if (events & 0x2000) { |
| 808 | if (vol < 100) vol++; |
| 809 | } else { |
| 810 | if (vol > 0) vol--; |
| 811 | } |
| 812 | // FrameworkAudio_SetVolume(vol, vol); // TODO |
| 813 | sprintf(noticeMsg, "VOL: %02i ", vol); |
| 814 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
| 815 | currentConfig.volume = vol; |
| 816 | } |
| 817 | |
| 818 | events &= ~prevEvents; |
| 819 | if (events) RunEvents(events); |
| 820 | if (movie_data) emu_updateMovie(); |
| 821 | |
| 822 | prevEvents = (allActions[0] | allActions[1]) >> 16; |
| 823 | } |
| 824 | |
| 825 | static void find_combos(void) |
| 826 | { |
| 827 | int act, u; |
| 828 | |
| 829 | // find out which keys and actions are combos |
| 830 | combo_keys = combo_acts = 0; |
| 831 | for (act = 0; act < 32; act++) |
| 832 | { |
| 833 | int keyc = 0, keyc2 = 0; |
| 834 | if (act == 16 || act == 17) continue; // player2 flag |
| 835 | if (act > 17) |
| 836 | { |
| 837 | for (u = 0; u < 28; u++) // 28 because nub can't produce combos |
| 838 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++; |
| 839 | } |
| 840 | else |
| 841 | { |
| 842 | for (u = 0; u < 28; u++) |
| 843 | if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1 |
| 844 | (currentConfig.KeyBinds[u] & (1 << act))) keyc++; |
| 845 | for (u = 0; u < 28; u++) |
| 846 | if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2 |
| 847 | (currentConfig.KeyBinds[u] & (1 << act))) keyc2++; |
| 848 | } |
| 849 | if (keyc > 1 || keyc2 > 1) |
| 850 | { |
| 851 | // loop again and mark those keys and actions as combo |
| 852 | for (u = 0; u < 28; u++) |
| 853 | { |
| 854 | if (currentConfig.KeyBinds[u] & (1 << act)) { |
| 855 | combo_keys |= 1 << u; |
| 856 | combo_acts |= 1 << act; |
| 857 | } |
| 858 | } |
| 859 | } |
| 860 | } |
| 861 | } |
| 862 | |
| 863 | |
| 864 | static void simpleWait(unsigned int until) |
| 865 | { |
| 866 | unsigned int tval; |
| 867 | int diff; |
| 868 | |
| 869 | tval = sceKernelGetSystemTimeLow(); |
| 870 | diff = (int)until - (int)tval; |
| 871 | if (diff >= 512 && diff < 100*1024) |
| 872 | sceKernelDelayThread(diff); |
| 873 | } |
| 874 | |
| 875 | void emu_Loop(void) |
| 876 | { |
| 877 | static int mp3_init_done = 0; |
| 878 | char fpsbuff[24]; // fps count c string |
| 879 | unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing |
| 880 | int frames_done = 0, frames_shown = 0, oldmodes = 0; |
| 881 | int target_fps, target_frametime, lim_time, tval_diff, i; |
| 882 | char *notice = NULL; |
| 883 | |
| 884 | lprintf("entered emu_Loop()\n"); |
| 885 | |
| 886 | fpsbuff[0] = 0; |
| 887 | |
| 888 | if (currentConfig.CPUclock != psp_get_cpu_clock()) { |
| 889 | lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock); |
| 890 | i = psp_set_cpu_clock(currentConfig.CPUclock); |
| 891 | lprintf(i ? "failed\n" : "done\n"); |
| 892 | currentConfig.CPUclock = psp_get_cpu_clock(); |
| 893 | } |
| 894 | |
| 895 | // make sure we are in correct mode |
| 896 | vidResetMode(); |
| 897 | clearArea(1); |
| 898 | Pico.m.dirtyPal = 1; |
| 899 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; |
| 900 | find_combos(); |
| 901 | |
| 902 | // pal/ntsc might have changed, reset related stuff |
| 903 | target_fps = Pico.m.pal ? 50 : 60; |
| 904 | target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1; |
| 905 | reset_timing = 1; |
| 906 | |
| 907 | if (PicoMCD & 1) { |
| 908 | // prepare CD buffer |
| 909 | PicoCDBufferInit(); |
| 910 | // mp3... |
| 911 | if (!mp3_init_done) { |
| 912 | i = mp3_init(); |
| 913 | mp3_init_done = 1; |
| 914 | if (i) { engineState = PGS_Menu; return; } |
| 915 | } |
| 916 | } |
| 917 | |
| 918 | // prepare sound stuff |
| 919 | PsndOut = NULL; |
| 920 | if (currentConfig.EmuOpt & 4) |
| 921 | { |
| 922 | sound_prepare(); |
| 923 | } |
| 924 | |
| 925 | sceDisplayWaitVblankStart(); |
| 926 | |
| 927 | // loop? |
| 928 | while (engineState == PGS_Running) |
| 929 | { |
| 930 | int modes; |
| 931 | |
| 932 | tval = sceKernelGetSystemTimeLow(); |
| 933 | if (reset_timing || tval < tval_prev) { |
| 934 | //stdbg("timing reset"); |
| 935 | reset_timing = 0; |
| 936 | tval_thissec = tval; |
| 937 | frames_shown = frames_done = 0; |
| 938 | } |
| 939 | |
| 940 | // show notice message? |
| 941 | if (noticeMsgTime) { |
| 942 | static int noticeMsgSum; |
| 943 | if (tval - noticeMsgTime > 2000000) { // > 2.0 sec |
| 944 | noticeMsgTime = 0; |
| 945 | clearArea(0); |
| 946 | notice = 0; |
| 947 | } else { |
| 948 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2]; |
| 949 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; } |
| 950 | notice = noticeMsg; |
| 951 | } |
| 952 | } |
| 953 | |
| 954 | // check for mode changes |
| 955 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8); |
| 956 | if (modes != oldmodes) { |
| 957 | oldmodes = modes; |
| 958 | clearArea(1); |
| 959 | set_scaling_params(); |
| 960 | } |
| 961 | |
| 962 | // second passed? |
| 963 | if (tval - tval_thissec >= 1000000) |
| 964 | { |
| 965 | // missing 1 frame? |
| 966 | if (currentConfig.Frameskip < 0 && frames_done < target_fps) { |
| 967 | SkipFrame(); frames_done++; |
| 968 | } |
| 969 | |
| 970 | if (currentConfig.EmuOpt & 2) |
| 971 | sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done); |
| 972 | |
| 973 | tval_thissec += 1000000; |
| 974 | |
| 975 | if (currentConfig.Frameskip < 0) { |
| 976 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0; |
| 977 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0; |
| 978 | if (frames_shown > frames_done) frames_shown = frames_done; |
| 979 | } else { |
| 980 | frames_done = frames_shown = 0; |
| 981 | } |
| 982 | } |
| 983 | #ifdef PFRAMES |
| 984 | sprintf(fpsbuff, "%i", Pico.m.frame_count); |
| 985 | #endif |
| 986 | |
| 987 | tval_prev = tval; |
| 988 | lim_time = (frames_done+1) * target_frametime; |
| 989 | if (currentConfig.Frameskip >= 0) // frameskip enabled |
| 990 | { |
| 991 | for (i = 0; i < currentConfig.Frameskip; i++) { |
| 992 | updateKeys(); |
| 993 | SkipFrame(); frames_done++; |
| 994 | if (!(currentConfig.EmuOpt&0x40000)) { // do framelimitting if needed |
| 995 | int tval_diff; |
| 996 | tval = sceKernelGetSystemTimeLow(); |
| 997 | tval_diff = (int)(tval - tval_thissec) << 8; |
| 998 | if (tval_diff < lim_time) // we are too fast |
| 999 | simpleWait(tval + ((lim_time - tval_diff)>>8)); |
| 1000 | } |
| 1001 | lim_time += target_frametime; |
| 1002 | } |
| 1003 | } |
| 1004 | else // auto frameskip |
| 1005 | { |
| 1006 | int tval_diff; |
| 1007 | tval = sceKernelGetSystemTimeLow(); |
| 1008 | tval_diff = (int)(tval - tval_thissec) << 8; |
| 1009 | if (tval_diff > lim_time && (frames_done/16 < frames_shown)) |
| 1010 | { |
| 1011 | // no time left for this frame - skip |
| 1012 | if (tval_diff - lim_time >= (300000<<8)) { |
| 1013 | reset_timing = 1; |
| 1014 | continue; |
| 1015 | } |
| 1016 | updateKeys(); |
| 1017 | SkipFrame(); frames_done++; |
| 1018 | continue; |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | updateKeys(); |
| 1023 | |
| 1024 | if (!(PicoOpt&0x10)) |
| 1025 | EmuScanPrepare(); |
| 1026 | |
| 1027 | PicoFrame(); |
| 1028 | |
| 1029 | sceGuSync(0,0); |
| 1030 | |
| 1031 | // check time |
| 1032 | tval = sceKernelGetSystemTimeLow(); |
| 1033 | tval_diff = (int)(tval - tval_thissec) << 8; |
| 1034 | |
| 1035 | blit2(fpsbuff, notice, tval_diff > lim_time); |
| 1036 | |
| 1037 | if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection |
| 1038 | reset_timing = 1; |
| 1039 | else if (!(currentConfig.EmuOpt&0x40000) || currentConfig.Frameskip < 0) |
| 1040 | { |
| 1041 | // sleep if we are still too fast |
| 1042 | if (tval_diff < lim_time) |
| 1043 | { |
| 1044 | // we are too fast |
| 1045 | simpleWait(tval + ((lim_time - tval_diff) >> 8)); |
| 1046 | } |
| 1047 | } |
| 1048 | |
| 1049 | frames_done++; frames_shown++; |
| 1050 | } |
| 1051 | |
| 1052 | |
| 1053 | if (PicoMCD & 1) PicoCDBufferFree(); |
| 1054 | |
| 1055 | if (PsndOut != NULL) { |
| 1056 | PsndOut = NULL; |
| 1057 | sound_end(); |
| 1058 | } |
| 1059 | |
| 1060 | // save SRAM |
| 1061 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
| 1062 | emu_msg_cb("Writing SRAM/BRAM.."); |
| 1063 | emu_SaveLoadGame(0, 1); |
| 1064 | SRam.changed = 0; |
| 1065 | } |
| 1066 | |
| 1067 | // clear fps counters and stuff |
| 1068 | memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4); |
| 1069 | } |
| 1070 | |
| 1071 | |
| 1072 | void emu_ResetGame(void) |
| 1073 | { |
| 1074 | PicoReset(0); |
| 1075 | reset_timing = 1; |
| 1076 | } |
| 1077 | |
| 1078 | void emu_HandleResume(void) |
| 1079 | { |
| 1080 | if (!(PicoMCD & 1)) return; |
| 1081 | |
| 1082 | // reopen files.. |
| 1083 | if (Pico_mcd->TOC.Tracks[0].F != NULL) |
| 1084 | { |
| 1085 | lprintf("emu_HandleResume: reopen %s\n", romFileName); |
| 1086 | pm_close(Pico_mcd->TOC.Tracks[0].F); |
| 1087 | Pico_mcd->TOC.Tracks[0].F = pm_open(romFileName); |
| 1088 | lprintf("reopen %s\n", Pico_mcd->TOC.Tracks[0].F != NULL ? "ok" : "failed"); |
| 1089 | } |
| 1090 | |
| 1091 | mp3_reopen_file(); |
| 1092 | } |
| 1093 | |