| 1 | // (c) Copyright 2006-2009 notaz, All rights reserved.\r |
| 2 | // Free for non-commercial use.\r |
| 3 | \r |
| 4 | // For commercial use, separate licencing terms must be obtained.\r |
| 5 | \r |
| 6 | #include <stdio.h>\r |
| 7 | #include <stdlib.h>\r |
| 8 | #include <sys/time.h>\r |
| 9 | #include <stdarg.h>\r |
| 10 | \r |
| 11 | #include "plat_gp2x.h"\r |
| 12 | #include "soc.h"\r |
| 13 | #include "../common/plat.h"\r |
| 14 | #include "../common/menu.h"\r |
| 15 | #include "../common/arm_utils.h"\r |
| 16 | #include "../common/fonts.h"\r |
| 17 | #include "../common/emu.h"\r |
| 18 | #include "../common/config.h"\r |
| 19 | #include "../linux/sndout_oss.h"\r |
| 20 | #include "version.h"\r |
| 21 | \r |
| 22 | #include <pico/pico_int.h>\r |
| 23 | #include <pico/patch.h>\r |
| 24 | #include <pico/sound/mix.h>\r |
| 25 | #include <zlib/zlib.h>\r |
| 26 | \r |
| 27 | //#define PFRAMES\r |
| 28 | \r |
| 29 | #ifdef BENCHMARK\r |
| 30 | #define OSD_FPS_X 220\r |
| 31 | #else\r |
| 32 | #define OSD_FPS_X 260\r |
| 33 | #endif\r |
| 34 | \r |
| 35 | \r |
| 36 | extern int crashed_940;\r |
| 37 | \r |
| 38 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r |
| 39 | static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r |
| 40 | static char noticeMsg[40];\r |
| 41 | static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];\r |
| 42 | unsigned char *PicoDraw2FB = PicoDraw2FB_;\r |
| 43 | static int osd_fps_x;\r |
| 44 | \r |
| 45 | extern void *gp2x_screens[4];\r |
| 46 | \r |
| 47 | void plat_status_msg(const char *format, ...)\r |
| 48 | {\r |
| 49 | va_list vl;\r |
| 50 | \r |
| 51 | va_start(vl, format);\r |
| 52 | vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r |
| 53 | va_end(vl);\r |
| 54 | \r |
| 55 | gettimeofday(¬iceMsgTime, 0);\r |
| 56 | }\r |
| 57 | \r |
| 58 | int plat_get_root_dir(char *dst, int len)\r |
| 59 | {\r |
| 60 | extern char **g_argv;\r |
| 61 | int j;\r |
| 62 | \r |
| 63 | strncpy(dst, g_argv[0], len);\r |
| 64 | len -= 32; // reserve\r |
| 65 | if (len < 0) len = 0;\r |
| 66 | dst[len] = 0;\r |
| 67 | for (j = strlen(dst); j > 0; j--)\r |
| 68 | if (dst[j] == '/') { dst[j+1] = 0; break; }\r |
| 69 | \r |
| 70 | return j + 1;\r |
| 71 | }\r |
| 72 | \r |
| 73 | \r |
| 74 | static void scaling_update(void)\r |
| 75 | {\r |
| 76 | PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);\r |
| 77 | switch (currentConfig.scaling) {\r |
| 78 | default:break;\r |
| 79 | case EOPT_SCALE_HW_H:\r |
| 80 | case EOPT_SCALE_HW_HV:\r |
| 81 | PicoOpt |= POPT_DIS_32C_BORDER;\r |
| 82 | break;\r |
| 83 | case EOPT_SCALE_SW_H:\r |
| 84 | PicoOpt |= POPT_EN_SOFTSCALE;\r |
| 85 | break;\r |
| 86 | }\r |
| 87 | }\r |
| 88 | \r |
| 89 | \r |
| 90 | void pemu_prep_defconfig(void)\r |
| 91 | {\r |
| 92 | gp2x_soc_t soc;\r |
| 93 | \r |
| 94 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
| 95 | defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;\r |
| 96 | defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r |
| 97 | defaultConfig.s_PsndRate = 44100;\r |
| 98 | defaultConfig.s_PicoRegion = 0; // auto\r |
| 99 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
| 100 | defaultConfig.s_PicoCDBuffers = 0;\r |
| 101 | defaultConfig.Frameskip = -1; // auto\r |
| 102 | defaultConfig.CPUclock = default_cpu_clock;\r |
| 103 | defaultConfig.volume = 50;\r |
| 104 | defaultConfig.gamma = 100;\r |
| 105 | defaultConfig.scaling = 0;\r |
| 106 | defaultConfig.turbo_rate = 15;\r |
| 107 | \r |
| 108 | soc = soc_detect();\r |
| 109 | if (soc == SOCID_MMSP2)\r |
| 110 | defaultConfig.s_PicoOpt |= POPT_EXT_FM;\r |
| 111 | else if (soc == SOCID_POLLUX)\r |
| 112 | defaultConfig.EmuOpt |= EOPT_WIZ_TEAR_FIX;\r |
| 113 | }\r |
| 114 | \r |
| 115 | static void (*osd_text)(int x, int y, const char *text);\r |
| 116 | \r |
| 117 | static void osd_text8(int x, int y, const char *text)\r |
| 118 | {\r |
| 119 | int len = strlen(text)*8;\r |
| 120 | int *p, i, h, offs;\r |
| 121 | \r |
| 122 | len = (len+3) >> 2;\r |
| 123 | for (h = 0; h < 8; h++) {\r |
| 124 | offs = (x + g_screen_width * (y+h)) & ~3;\r |
| 125 | p = (int *) ((char *)g_screen_ptr + offs);\r |
| 126 | for (i = len; i; i--, p++)\r |
| 127 | *p = 0xe0e0e0e0;\r |
| 128 | }\r |
| 129 | emu_text_out8(x, y, text);\r |
| 130 | }\r |
| 131 | \r |
| 132 | static void osd_text16(int x, int y, const char *text)\r |
| 133 | {\r |
| 134 | int len = strlen(text)*8;\r |
| 135 | int *p, i, h, offs;\r |
| 136 | \r |
| 137 | len = (len+1) >> 1;\r |
| 138 | for (h = 0; h < 8; h++) {\r |
| 139 | offs = (x + g_screen_width * (y+h)) & ~1;\r |
| 140 | p = (int *) ((short *)g_screen_ptr + offs);\r |
| 141 | for (i = len; i; i--, p++)\r |
| 142 | *p = (*p >> 2) & 0x39e7;\r |
| 143 | }\r |
| 144 | emu_text_out16(x, y, text);\r |
| 145 | }\r |
| 146 | \r |
| 147 | static void osd_text8_rot(int x, int y, const char *text)\r |
| 148 | {\r |
| 149 | int len = strlen(text) * 8;\r |
| 150 | char *p = (char *)g_screen_ptr + 240*(320-x) + y;\r |
| 151 | \r |
| 152 | while (len--) {\r |
| 153 | memset(p, 0xe0, 8);\r |
| 154 | p -= 240;\r |
| 155 | }\r |
| 156 | \r |
| 157 | emu_text_out8_rot(x, y, text);\r |
| 158 | }\r |
| 159 | \r |
| 160 | static void osd_text16_rot(int x, int y, const char *text)\r |
| 161 | {\r |
| 162 | int len = strlen(text) * 8;\r |
| 163 | short *p = (short *)g_screen_ptr + 240*(320-x) + y;\r |
| 164 | \r |
| 165 | while (len--) {\r |
| 166 | memset(p, 0, 8*2);\r |
| 167 | p -= 240;\r |
| 168 | }\r |
| 169 | \r |
| 170 | emu_text_out16_rot(x, y, text);\r |
| 171 | }\r |
| 172 | \r |
| 173 | static void draw_cd_leds(void)\r |
| 174 | {\r |
| 175 | int led_reg, pitch, scr_offs, led_offs;\r |
| 176 | led_reg = Pico_mcd->s68k_regs[0];\r |
| 177 | \r |
| 178 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
| 179 | pitch = 240;\r |
| 180 | led_offs = -pitch * 6;\r |
| 181 | scr_offs = pitch * (320 - 4);\r |
| 182 | } else {\r |
| 183 | pitch = 320;\r |
| 184 | led_offs = 4;\r |
| 185 | scr_offs = pitch * 2 + 4;\r |
| 186 | }\r |
| 187 | \r |
| 188 | if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r |
| 189 | #define p(x) px[(x) >> 2]\r |
| 190 | // 8-bit modes\r |
| 191 | unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);\r |
| 192 | unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
| 193 | unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
| 194 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
| 195 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
| 196 | #undef p\r |
| 197 | } else {\r |
| 198 | #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r |
| 199 | // 16-bit modes\r |
| 200 | unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);\r |
| 201 | unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r |
| 202 | unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r |
| 203 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
| 204 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
| 205 | #undef p\r |
| 206 | }\r |
| 207 | }\r |
| 208 | \r |
| 209 | static void draw_pico_ptr(void)\r |
| 210 | {\r |
| 211 | unsigned short *p = (unsigned short *)g_screen_ptr;\r |
| 212 | int x, y, pitch = 320;\r |
| 213 | \r |
| 214 | // only if pen enabled and for 16bit modes\r |
| 215 | if (pico_inp_mode == 0 || (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r |
| 216 | return;\r |
| 217 | \r |
| 218 | x = pico_pen_x + PICO_PEN_ADJUST_X;\r |
| 219 | y = pico_pen_y + PICO_PEN_ADJUST_Y;\r |
| 220 | if (!(Pico.video.reg[12]&1) && !(PicoOpt & POPT_DIS_32C_BORDER))\r |
| 221 | x += 32;\r |
| 222 | \r |
| 223 | if (EOPT_WIZ_TEAR_FIX) {\r |
| 224 | pitch = 240;\r |
| 225 | p += (319 - x) * pitch + y;\r |
| 226 | } else\r |
| 227 | p += x + y * pitch;\r |
| 228 | \r |
| 229 | p[0] ^= 0xffff;\r |
| 230 | p[pitch-1] ^= 0xffff;\r |
| 231 | p[pitch] ^= 0xffff;\r |
| 232 | p[pitch+1] ^= 0xffff;\r |
| 233 | p[pitch*2] ^= 0xffff;\r |
| 234 | }\r |
| 235 | \r |
| 236 | static int EmuScanBegin16(unsigned int num)\r |
| 237 | {\r |
| 238 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
| 239 | DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r |
| 240 | \r |
| 241 | return 0;\r |
| 242 | }\r |
| 243 | \r |
| 244 | static int EmuScanBegin8(unsigned int num)\r |
| 245 | {\r |
| 246 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
| 247 | DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r |
| 248 | \r |
| 249 | return 0;\r |
| 250 | }\r |
| 251 | \r |
| 252 | /* rot thing for Wiz */\r |
| 253 | static unsigned char __attribute__((aligned(4))) rot_buff[320*4*2];\r |
| 254 | \r |
| 255 | static int EmuScanBegin16_rot(unsigned int num)\r |
| 256 | {\r |
| 257 | DrawLineDest = rot_buff + (num & 3) * 320 * 2;\r |
| 258 | return 0;\r |
| 259 | }\r |
| 260 | \r |
| 261 | static int EmuScanEnd16_rot(unsigned int num)\r |
| 262 | {\r |
| 263 | if ((num & 3) != 3)\r |
| 264 | return 0;\r |
| 265 | if (!(Pico.video.reg[1] & 8))\r |
| 266 | num += 8;\r |
| 267 | rotated_blit16(g_screen_ptr, rot_buff, num + 1,\r |
| 268 | !(Pico.video.reg[12] & 1) && !(PicoOpt & POPT_EN_SOFTSCALE));\r |
| 269 | return 0;\r |
| 270 | }\r |
| 271 | \r |
| 272 | static int EmuScanBegin8_rot(unsigned int num)\r |
| 273 | {\r |
| 274 | DrawLineDest = rot_buff + (num & 3) * 320;\r |
| 275 | return 0;\r |
| 276 | }\r |
| 277 | \r |
| 278 | static int EmuScanEnd8_rot(unsigned int num)\r |
| 279 | {\r |
| 280 | if ((num & 3) != 3)\r |
| 281 | return 0;\r |
| 282 | if (!(Pico.video.reg[1] & 8))\r |
| 283 | num += 8;\r |
| 284 | rotated_blit8(g_screen_ptr, rot_buff, num + 1,\r |
| 285 | !(Pico.video.reg[12] & 1));\r |
| 286 | return 0;\r |
| 287 | }\r |
| 288 | \r |
| 289 | int localPal[0x100];\r |
| 290 | static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border) = NULL;\r |
| 291 | \r |
| 292 | static void blit(const char *fps, const char *notice)\r |
| 293 | {\r |
| 294 | int emu_opt = currentConfig.EmuOpt;\r |
| 295 | \r |
| 296 | if (PicoOpt & POPT_ALT_RENDERER)\r |
| 297 | {\r |
| 298 | // 8bit fast renderer\r |
| 299 | if (Pico.m.dirtyPal) {\r |
| 300 | Pico.m.dirtyPal = 0;\r |
| 301 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 302 | // feed new palette to our device\r |
| 303 | gp2x_video_setpalette(localPal, 0x40);\r |
| 304 | }\r |
| 305 | // a hack for VR\r |
| 306 | if (PicoRead16Hook == PicoSVPRead16)\r |
| 307 | memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r |
| 308 | // do actual copy\r |
| 309 | vidcpyM2(g_screen_ptr, PicoDraw2FB+328*8,\r |
| 310 | !(Pico.video.reg[12] & 1), !(PicoOpt & POPT_DIS_32C_BORDER));\r |
| 311 | }\r |
| 312 | else if (!(emu_opt & EOPT_16BPP))\r |
| 313 | {\r |
| 314 | // 8bit accurate renderer\r |
| 315 | if (Pico.m.dirtyPal)\r |
| 316 | {\r |
| 317 | int pallen = 0xc0;\r |
| 318 | Pico.m.dirtyPal = 0;\r |
| 319 | if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r |
| 320 | {\r |
| 321 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 322 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
| 323 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
| 324 | memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r |
| 325 | pallen = 0x100;\r |
| 326 | }\r |
| 327 | else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r |
| 328 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 329 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
| 330 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
| 331 | }\r |
| 332 | else {\r |
| 333 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 334 | memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r |
| 335 | }\r |
| 336 | if (pallen > 0xc0) {\r |
| 337 | localPal[0xc0] = 0x0000c000;\r |
| 338 | localPal[0xd0] = 0x00c00000;\r |
| 339 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
| 340 | localPal[0xf0] = 0x00ffffff;\r |
| 341 | }\r |
| 342 | gp2x_video_setpalette(localPal, pallen);\r |
| 343 | }\r |
| 344 | }\r |
| 345 | \r |
| 346 | if (notice || (emu_opt & 2)) {\r |
| 347 | int h = 232;\r |
| 348 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r |
| 349 | h -= 8;\r |
| 350 | if (notice)\r |
| 351 | osd_text(4, h, notice);\r |
| 352 | if (emu_opt & 2)\r |
| 353 | osd_text(osd_fps_x, h, fps);\r |
| 354 | }\r |
| 355 | if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r |
| 356 | draw_cd_leds();\r |
| 357 | if (PicoAHW & PAHW_PICO)\r |
| 358 | draw_pico_ptr();\r |
| 359 | \r |
| 360 | gp2x_video_flip();\r |
| 361 | }\r |
| 362 | \r |
| 363 | // clears whole screen or just the notice area (in all buffers)\r |
| 364 | static void clearArea(int full)\r |
| 365 | {\r |
| 366 | int is_8bit = (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP);\r |
| 367 | if (!full && (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX)) {\r |
| 368 | /* ugh.. */\r |
| 369 | int i, u, *p;\r |
| 370 | if (is_8bit) {\r |
| 371 | for (i = 0; i < 4; i++) {\r |
| 372 | p = (int *)gp2x_screens[i] + (240-8) / 4;\r |
| 373 | for (u = 320; u > 0; u--, p += 240/4)\r |
| 374 | p[0] = p[1] = 0xe0e0e0e0;\r |
| 375 | }\r |
| 376 | } else {\r |
| 377 | for (i = 0; i < 4; i++) {\r |
| 378 | p = (int *)gp2x_screens[i] + (240-8)*2 / 4;\r |
| 379 | for (u = 320; u > 0; u--, p += 240*2/4)\r |
| 380 | p[0] = p[1] = p[2] = p[3] = 0;\r |
| 381 | }\r |
| 382 | }\r |
| 383 | return;\r |
| 384 | }\r |
| 385 | \r |
| 386 | if (is_8bit) {\r |
| 387 | // 8-bit renderers\r |
| 388 | if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
| 389 | else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r |
| 390 | } else {\r |
| 391 | // 16bit accurate renderer\r |
| 392 | if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r |
| 393 | else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r |
| 394 | }\r |
| 395 | }\r |
| 396 | \r |
| 397 | void plat_status_msg_busy_next(const char *msg)\r |
| 398 | {\r |
| 399 | clearArea(0);\r |
| 400 | blit("", msg);\r |
| 401 | \r |
| 402 | /* assumption: msg_busy_next gets called only when\r |
| 403 | * something slow is about to happen */\r |
| 404 | reset_timing = 1;\r |
| 405 | }\r |
| 406 | \r |
| 407 | void plat_status_msg_busy_first(const char *msg)\r |
| 408 | {\r |
| 409 | gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);\r |
| 410 | plat_status_msg_busy_next(msg);\r |
| 411 | }\r |
| 412 | \r |
| 413 | static void vidResetMode(void)\r |
| 414 | {\r |
| 415 | PicoScanEnd = NULL;\r |
| 416 | \r |
| 417 | if (PicoOpt & POPT_ALT_RENDERER) {\r |
| 418 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
| 419 | gp2x_video_changemode(-8);\r |
| 420 | vidcpyM2 = vidcpy_m2_rot;\r |
| 421 | osd_text = osd_text8_rot;\r |
| 422 | } else {\r |
| 423 | gp2x_video_changemode(8);\r |
| 424 | vidcpyM2 = vidcpy_m2;\r |
| 425 | osd_text = osd_text8;\r |
| 426 | }\r |
| 427 | }\r |
| 428 | else if (currentConfig.EmuOpt & EOPT_16BPP) {\r |
| 429 | PicoDrawSetColorFormat(1);\r |
| 430 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
| 431 | gp2x_video_changemode(-16);\r |
| 432 | PicoScanBegin = EmuScanBegin16_rot;\r |
| 433 | PicoScanEnd = EmuScanEnd16_rot;\r |
| 434 | osd_text = osd_text16_rot;\r |
| 435 | } else {\r |
| 436 | gp2x_video_changemode(16);\r |
| 437 | PicoScanBegin = EmuScanBegin16;\r |
| 438 | osd_text = osd_text16;\r |
| 439 | }\r |
| 440 | }\r |
| 441 | else {\r |
| 442 | PicoDrawSetColorFormat(2);\r |
| 443 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
| 444 | gp2x_video_changemode(-8);\r |
| 445 | PicoScanBegin = EmuScanBegin8_rot;\r |
| 446 | PicoScanEnd = EmuScanEnd8_rot;\r |
| 447 | osd_text = osd_text8_rot;\r |
| 448 | } else {\r |
| 449 | gp2x_video_changemode(8);\r |
| 450 | PicoScanBegin = EmuScanBegin8;\r |
| 451 | osd_text = osd_text8;\r |
| 452 | }\r |
| 453 | }\r |
| 454 | \r |
| 455 | if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r |
| 456 | // setup pal for 8-bit modes\r |
| 457 | localPal[0xc0] = 0x0000c000; // MCD LEDs\r |
| 458 | localPal[0xd0] = 0x00c00000;\r |
| 459 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
| 460 | localPal[0xf0] = 0x00ffffff;\r |
| 461 | gp2x_video_setpalette(localPal, 0x100);\r |
| 462 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
| 463 | gp2x_video_flip();\r |
| 464 | }\r |
| 465 | Pico.m.dirtyPal = 1;\r |
| 466 | \r |
| 467 | // reset scaling\r |
| 468 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r |
| 469 | gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r |
| 470 | else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
| 471 | }\r |
| 472 | \r |
| 473 | void plat_video_toggle_renderer(int is_next, int is_menu)\r |
| 474 | {\r |
| 475 | /* alt, 16bpp, 8bpp */\r |
| 476 | if (PicoOpt & POPT_ALT_RENDERER) {\r |
| 477 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
| 478 | if (is_next)\r |
| 479 | currentConfig.EmuOpt |= EOPT_16BPP;\r |
| 480 | } else if (!(currentConfig.EmuOpt & EOPT_16BPP)) {\r |
| 481 | if (is_next)\r |
| 482 | PicoOpt |= POPT_ALT_RENDERER;\r |
| 483 | else\r |
| 484 | currentConfig.EmuOpt |= EOPT_16BPP;\r |
| 485 | } else {\r |
| 486 | currentConfig.EmuOpt &= ~EOPT_16BPP;\r |
| 487 | if (!is_next)\r |
| 488 | PicoOpt |= POPT_ALT_RENDERER;\r |
| 489 | }\r |
| 490 | \r |
| 491 | if (is_menu)\r |
| 492 | return;\r |
| 493 | \r |
| 494 | vidResetMode();\r |
| 495 | \r |
| 496 | if (PicoOpt & POPT_ALT_RENDERER) {\r |
| 497 | plat_status_msg(" 8bit fast renderer");\r |
| 498 | } else if (currentConfig.EmuOpt & EOPT_16BPP) {\r |
| 499 | plat_status_msg("16bit accurate renderer");\r |
| 500 | } else {\r |
| 501 | plat_status_msg(" 8bit accurate renderer");\r |
| 502 | }\r |
| 503 | }\r |
| 504 | \r |
| 505 | #if 0 // TODO\r |
| 506 | static void RunEventsPico(unsigned int events)\r |
| 507 | {\r |
| 508 | int ret, px, py, lim_x;\r |
| 509 | static int pdown_frames = 0;\r |
| 510 | \r |
| 511 | // for F200\r |
| 512 | ret = gp2x_touchpad_read(&px, &py);\r |
| 513 | if (ret >= 0)\r |
| 514 | {\r |
| 515 | if (ret > 35000)\r |
| 516 | {\r |
| 517 | if (pdown_frames++ > 5)\r |
| 518 | PicoPad[0] |= 0x20;\r |
| 519 | \r |
| 520 | pico_pen_x = px;\r |
| 521 | pico_pen_y = py;\r |
| 522 | if (!(Pico.video.reg[12]&1)) {\r |
| 523 | pico_pen_x -= 32;\r |
| 524 | if (pico_pen_x < 0) pico_pen_x = 0;\r |
| 525 | if (pico_pen_x > 248) pico_pen_x = 248;\r |
| 526 | }\r |
| 527 | if (pico_pen_y > 224) pico_pen_y = 224;\r |
| 528 | }\r |
| 529 | else\r |
| 530 | pdown_frames = 0;\r |
| 531 | \r |
| 532 | //if (ret == 0)\r |
| 533 | // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
| 534 | }\r |
| 535 | }\r |
| 536 | #endif\r |
| 537 | \r |
| 538 | void plat_update_volume(int has_changed, int is_up)\r |
| 539 | {\r |
| 540 | static int prev_frame = 0, wait_frames = 0;\r |
| 541 | int vol = currentConfig.volume;\r |
| 542 | int need_low_volume = 0;\r |
| 543 | gp2x_soc_t soc;\r |
| 544 | \r |
| 545 | soc = soc_detect();\r |
| 546 | if ((PicoOpt & POPT_EN_STEREO) && soc == SOCID_MMSP2)\r |
| 547 | need_low_volume = 1;\r |
| 548 | \r |
| 549 | if (has_changed)\r |
| 550 | {\r |
| 551 | if (need_low_volume && vol < 5 && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r |
| 552 | wait_frames++;\r |
| 553 | else {\r |
| 554 | if (is_up) {\r |
| 555 | if (vol < 99) vol++;\r |
| 556 | } else {\r |
| 557 | if (vol > 0) vol--;\r |
| 558 | }\r |
| 559 | wait_frames = 0;\r |
| 560 | sndout_oss_setvol(vol, vol);\r |
| 561 | currentConfig.volume = vol;\r |
| 562 | }\r |
| 563 | plat_status_msg("VOL: %02i", vol);\r |
| 564 | prev_frame = Pico.m.frame_count;\r |
| 565 | }\r |
| 566 | \r |
| 567 | if (need_low_volume)\r |
| 568 | return;\r |
| 569 | \r |
| 570 | /* set the right mixer func */\r |
| 571 | if (vol >= 5)\r |
| 572 | PsndMix_32_to_16l = mix_32_to_16l_stereo;\r |
| 573 | else {\r |
| 574 | mix_32_to_16l_level = 5 - vol;\r |
| 575 | PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r |
| 576 | }\r |
| 577 | }\r |
| 578 | \r |
| 579 | \r |
| 580 | static void updateSound(int len)\r |
| 581 | {\r |
| 582 | if (PicoOpt&8) len<<=1;\r |
| 583 | \r |
| 584 | /* avoid writing audio when lagging behind to prevent audio lag */\r |
| 585 | if (PicoSkipFrame != 2)\r |
| 586 | sndout_oss_write(PsndOut, len<<1);\r |
| 587 | }\r |
| 588 | \r |
| 589 | void pemu_sound_start(void)\r |
| 590 | {\r |
| 591 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r |
| 592 | int target_fps = Pico.m.pal ? 50 : 60;\r |
| 593 | \r |
| 594 | PsndOut = NULL;\r |
| 595 | \r |
| 596 | // prepare sound stuff\r |
| 597 | if (currentConfig.EmuOpt & 4)\r |
| 598 | {\r |
| 599 | int snd_excess_add;\r |
| 600 | if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r |
| 601 | ((PicoOpt&0x200) && crashed_940)) {\r |
| 602 | PsndRerate(Pico.m.frame_count ? 1 : 0);\r |
| 603 | }\r |
| 604 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
| 605 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r |
| 606 | PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r |
| 607 | sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r |
| 608 | sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r |
| 609 | PicoWriteSound = updateSound;\r |
| 610 | plat_update_volume(0, 0);\r |
| 611 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
| 612 | PsndOut = sndBuffer;\r |
| 613 | PsndRate_old = PsndRate;\r |
| 614 | PicoOpt_old = PicoOpt;\r |
| 615 | pal_old = Pico.m.pal;\r |
| 616 | }\r |
| 617 | }\r |
| 618 | \r |
| 619 | void pemu_sound_stop(void)\r |
| 620 | {\r |
| 621 | }\r |
| 622 | \r |
| 623 | void pemu_sound_wait(void)\r |
| 624 | {\r |
| 625 | // don't need to do anything, writes will block by themselves\r |
| 626 | }\r |
| 627 | \r |
| 628 | \r |
| 629 | static void SkipFrame(int do_audio)\r |
| 630 | {\r |
| 631 | PicoSkipFrame=do_audio ? 1 : 2;\r |
| 632 | PicoFrame();\r |
| 633 | PicoSkipFrame=0;\r |
| 634 | }\r |
| 635 | \r |
| 636 | \r |
| 637 | void pemu_forced_frame(int opts)\r |
| 638 | {\r |
| 639 | int po_old = PicoOpt;\r |
| 640 | int eo_old = currentConfig.EmuOpt;\r |
| 641 | \r |
| 642 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
| 643 | PicoOpt |= opts|POPT_ACC_SPRITES;\r |
| 644 | currentConfig.EmuOpt |= EOPT_16BPP;\r |
| 645 | \r |
| 646 | PicoDrawSetColorFormat(1);\r |
| 647 | PicoScanBegin = EmuScanBegin16;\r |
| 648 | PicoScanEnd = NULL;\r |
| 649 | Pico.m.dirtyPal = 1;\r |
| 650 | PicoFrameDrawOnly();\r |
| 651 | \r |
| 652 | PicoOpt = po_old;\r |
| 653 | currentConfig.EmuOpt = eo_old;\r |
| 654 | }\r |
| 655 | \r |
| 656 | void plat_debug_cat(char *str)\r |
| 657 | {\r |
| 658 | }\r |
| 659 | \r |
| 660 | static void simpleWait(int thissec, int lim_time)\r |
| 661 | {\r |
| 662 | struct timeval tval;\r |
| 663 | \r |
| 664 | spend_cycles(1024);\r |
| 665 | gettimeofday(&tval, 0);\r |
| 666 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
| 667 | \r |
| 668 | while (tval.tv_usec < lim_time)\r |
| 669 | {\r |
| 670 | spend_cycles(1024);\r |
| 671 | gettimeofday(&tval, 0);\r |
| 672 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
| 673 | }\r |
| 674 | }\r |
| 675 | \r |
| 676 | \r |
| 677 | #if 0\r |
| 678 | static void tga_dump(void)\r |
| 679 | {\r |
| 680 | #define BYTE unsigned char\r |
| 681 | #define WORD unsigned short\r |
| 682 | struct\r |
| 683 | {\r |
| 684 | BYTE IDLength; /* 00h Size of Image ID field */\r |
| 685 | BYTE ColorMapType; /* 01h Color map type */\r |
| 686 | BYTE ImageType; /* 02h Image type code */\r |
| 687 | WORD CMapStart; /* 03h Color map origin */\r |
| 688 | WORD CMapLength; /* 05h Color map length */\r |
| 689 | BYTE CMapDepth; /* 07h Depth of color map entries */\r |
| 690 | WORD XOffset; /* 08h X origin of image */\r |
| 691 | WORD YOffset; /* 0Ah Y origin of image */\r |
| 692 | WORD Width; /* 0Ch Width of image */\r |
| 693 | WORD Height; /* 0Eh Height of image */\r |
| 694 | BYTE PixelDepth; /* 10h Image pixel size */\r |
| 695 | BYTE ImageDescriptor; /* 11h Image descriptor byte */\r |
| 696 | } __attribute__((packed)) TGAHEAD;\r |
| 697 | static unsigned short oldscr[320*240];\r |
| 698 | FILE *f; char name[128]; int i;\r |
| 699 | \r |
| 700 | memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r |
| 701 | TGAHEAD.ImageType = 2;\r |
| 702 | TGAHEAD.Width = 320;\r |
| 703 | TGAHEAD.Height = 240;\r |
| 704 | TGAHEAD.PixelDepth = 16;\r |
| 705 | TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r |
| 706 | \r |
| 707 | #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r |
| 708 | \r |
| 709 | for (i = 0; i < 320*240; i++)\r |
| 710 | if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r |
| 711 | if (i < 320*240)\r |
| 712 | {\r |
| 713 | for (i = 0; i < 320*240; i++)\r |
| 714 | oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r |
| 715 | sprintf(name, "%05i.tga", Pico.m.frame_count);\r |
| 716 | f = fopen(name, "wb");\r |
| 717 | if (!f) { printf("!f\n"); exit(1); }\r |
| 718 | fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r |
| 719 | fwrite(oldscr, 1, 320*240*2, f);\r |
| 720 | fclose(f);\r |
| 721 | }\r |
| 722 | }\r |
| 723 | #endif\r |
| 724 | \r |
| 725 | \r |
| 726 | void pemu_loop(void)\r |
| 727 | {\r |
| 728 | static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0;\r |
| 729 | static int gp2x_old_gamma = 100;\r |
| 730 | char fpsbuff[24]; // fps count c string\r |
| 731 | struct timeval tval; // timing\r |
| 732 | int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r |
| 733 | int frames_done, frames_shown, thissec; // actual frames\r |
| 734 | int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r |
| 735 | char *notice = 0;\r |
| 736 | \r |
| 737 | printf("entered emu_Loop()\n");\r |
| 738 | \r |
| 739 | if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r |
| 740 | if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r |
| 741 | set_ram_timings();\r |
| 742 | else\r |
| 743 | unset_ram_timings();\r |
| 744 | }\r |
| 745 | \r |
| 746 | if (gp2x_old_clock < 0)\r |
| 747 | gp2x_old_clock = default_cpu_clock;\r |
| 748 | if (gp2x_old_clock != currentConfig.CPUclock) {\r |
| 749 | printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r |
| 750 | gp2x_set_cpuclk(currentConfig.CPUclock);\r |
| 751 | gp2x_old_clock = currentConfig.CPUclock;\r |
| 752 | printf(" done\n");\r |
| 753 | }\r |
| 754 | \r |
| 755 | if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r |
| 756 | set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r |
| 757 | gp2x_old_gamma = currentConfig.gamma;\r |
| 758 | printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r |
| 759 | }\r |
| 760 | \r |
| 761 | if (((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_PSYNC) || Pico.m.pal != pal_old) {\r |
| 762 | if (currentConfig.EmuOpt & EOPT_PSYNC)\r |
| 763 | set_lcd_custom_rate(Pico.m.pal);\r |
| 764 | else\r |
| 765 | unset_lcd_custom_rate();\r |
| 766 | }\r |
| 767 | \r |
| 768 | if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)\r |
| 769 | gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);\r |
| 770 | \r |
| 771 | EmuOpt_old = currentConfig.EmuOpt;\r |
| 772 | pal_old = Pico.m.pal;\r |
| 773 | fpsbuff[0] = 0;\r |
| 774 | \r |
| 775 | // make sure we are in correct mode\r |
| 776 | vidResetMode();\r |
| 777 | scaling_update();\r |
| 778 | Pico.m.dirtyPal = 1;\r |
| 779 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
| 780 | \r |
| 781 | // pal/ntsc might have changed, reset related stuff\r |
| 782 | target_fps = Pico.m.pal ? 50 : 60;\r |
| 783 | target_frametime = 1000000/target_fps;\r |
| 784 | reset_timing = 1;\r |
| 785 | \r |
| 786 | pemu_sound_start();\r |
| 787 | \r |
| 788 | // prepare CD buffer\r |
| 789 | if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r |
| 790 | \r |
| 791 | // calc vsync offset to sync timing code with vsync\r |
| 792 | if (currentConfig.EmuOpt & EOPT_PSYNC) {\r |
| 793 | gettimeofday(&tval, 0);\r |
| 794 | gp2x_video_wait_vsync();\r |
| 795 | gettimeofday(&tval, 0);\r |
| 796 | vsync_offset = tval.tv_usec;\r |
| 797 | while (vsync_offset >= target_frametime)\r |
| 798 | vsync_offset -= target_frametime;\r |
| 799 | if (!vsync_offset) vsync_offset++;\r |
| 800 | printf("vsync_offset: %i\n", vsync_offset);\r |
| 801 | } else\r |
| 802 | vsync_offset = 0;\r |
| 803 | \r |
| 804 | frames_done = frames_shown = thissec =\r |
| 805 | pframes_done = pframes_shown = pthissec = 0;\r |
| 806 | \r |
| 807 | // loop\r |
| 808 | while (engineState == PGS_Running)\r |
| 809 | {\r |
| 810 | int modes;\r |
| 811 | \r |
| 812 | gettimeofday(&tval, 0);\r |
| 813 | if (reset_timing) {\r |
| 814 | reset_timing = 0;\r |
| 815 | pthissec = tval.tv_sec;\r |
| 816 | pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r |
| 817 | }\r |
| 818 | \r |
| 819 | // show notice message?\r |
| 820 | if (noticeMsgTime.tv_sec)\r |
| 821 | {\r |
| 822 | static int noticeMsgSum;\r |
| 823 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
| 824 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
| 825 | clearArea(0);\r |
| 826 | notice = 0;\r |
| 827 | } else {\r |
| 828 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
| 829 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
| 830 | notice = noticeMsg;\r |
| 831 | }\r |
| 832 | }\r |
| 833 | \r |
| 834 | // check for mode changes\r |
| 835 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
| 836 | if (modes != oldmodes)\r |
| 837 | {\r |
| 838 | int scalex = 320;\r |
| 839 | osd_fps_x = OSD_FPS_X;\r |
| 840 | if (!(modes & 4) && (PicoOpt & POPT_DIS_32C_BORDER)) {\r |
| 841 | scalex = 256;\r |
| 842 | osd_fps_x = OSD_FPS_X - 64;\r |
| 843 | }\r |
| 844 | /* want vertical scaling and game is not in 240 line mode */\r |
| 845 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(modes&8))\r |
| 846 | gp2x_video_RGB_setscaling(8, scalex, 224);\r |
| 847 | else gp2x_video_RGB_setscaling(0, scalex, 240);\r |
| 848 | oldmodes = modes;\r |
| 849 | clearArea(1);\r |
| 850 | }\r |
| 851 | \r |
| 852 | // second changed?\r |
| 853 | if (thissec != tval.tv_sec)\r |
| 854 | {\r |
| 855 | #ifdef BENCHMARK\r |
| 856 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
| 857 | if (++bench == 10) {\r |
| 858 | bench = 0;\r |
| 859 | bench_fps_s = bench_fps;\r |
| 860 | bf[bfp++ & 3] = bench_fps;\r |
| 861 | bench_fps = 0;\r |
| 862 | }\r |
| 863 | bench_fps += frames_shown;\r |
| 864 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
| 865 | #else\r |
| 866 | if (currentConfig.EmuOpt & 2) {\r |
| 867 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
| 868 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
| 869 | }\r |
| 870 | #endif\r |
| 871 | frames_shown = frames_done = 0;\r |
| 872 | thissec = tval.tv_sec;\r |
| 873 | }\r |
| 874 | #ifdef PFRAMES\r |
| 875 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
| 876 | #endif\r |
| 877 | \r |
| 878 | if (pthissec != tval.tv_sec)\r |
| 879 | {\r |
| 880 | if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
| 881 | pframes_done = pframes_shown = 0;\r |
| 882 | } else {\r |
| 883 | // it is quite common for this implementation to leave 1 fame unfinished\r |
| 884 | // when second changes, but we don't want buffer to starve.\r |
| 885 | if (PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r |
| 886 | emu_update_input();\r |
| 887 | SkipFrame(1); pframes_done++;\r |
| 888 | }\r |
| 889 | \r |
| 890 | pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r |
| 891 | pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r |
| 892 | if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r |
| 893 | }\r |
| 894 | pthissec = tval.tv_sec;\r |
| 895 | }\r |
| 896 | \r |
| 897 | lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r |
| 898 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
| 899 | {\r |
| 900 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
| 901 | emu_update_input();\r |
| 902 | SkipFrame(1); pframes_done++; frames_done++;\r |
| 903 | if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r |
| 904 | gettimeofday(&tval, 0);\r |
| 905 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
| 906 | if (tval.tv_usec < lim_time) { // we are too fast\r |
| 907 | simpleWait(pthissec, lim_time);\r |
| 908 | }\r |
| 909 | }\r |
| 910 | lim_time += target_frametime;\r |
| 911 | }\r |
| 912 | }\r |
| 913 | else if (tval.tv_usec > lim_time) // auto frameskip\r |
| 914 | {\r |
| 915 | // no time left for this frame - skip\r |
| 916 | if (tval.tv_usec - lim_time >= 300000) {\r |
| 917 | /* something caused a slowdown for us (disk access? cache flush?)\r |
| 918 | * try to recover by resetting timing... */\r |
| 919 | reset_timing = 1;\r |
| 920 | continue;\r |
| 921 | }\r |
| 922 | emu_update_input();\r |
| 923 | SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r |
| 924 | continue;\r |
| 925 | }\r |
| 926 | \r |
| 927 | emu_update_input();\r |
| 928 | PicoFrame();\r |
| 929 | \r |
| 930 | // check time\r |
| 931 | gettimeofday(&tval, 0);\r |
| 932 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
| 933 | \r |
| 934 | if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r |
| 935 | reset_timing = 1;\r |
| 936 | else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r |
| 937 | {\r |
| 938 | // sleep or vsync if we are still too fast\r |
| 939 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
| 940 | if (!reset_timing && tval.tv_usec < lim_time)\r |
| 941 | {\r |
| 942 | // we are too fast\r |
| 943 | if (vsync_offset) {\r |
| 944 | if (lim_time - tval.tv_usec > target_frametime/2)\r |
| 945 | simpleWait(pthissec, lim_time - target_frametime/4);\r |
| 946 | gp2x_video_wait_vsync();\r |
| 947 | } else {\r |
| 948 | simpleWait(pthissec, lim_time);\r |
| 949 | }\r |
| 950 | }\r |
| 951 | }\r |
| 952 | \r |
| 953 | blit(fpsbuff, notice);\r |
| 954 | \r |
| 955 | pframes_done++; pframes_shown++;\r |
| 956 | frames_done++; frames_shown++;\r |
| 957 | }\r |
| 958 | \r |
| 959 | emu_set_fastforward(0);\r |
| 960 | \r |
| 961 | if (PicoAHW & PAHW_MCD)\r |
| 962 | PicoCDBufferFree();\r |
| 963 | \r |
| 964 | // save SRAM\r |
| 965 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
| 966 | plat_status_msg_busy_first("Writing SRAM/BRAM...");\r |
| 967 | emu_save_load_game(0, 1);\r |
| 968 | SRam.changed = 0;\r |
| 969 | }\r |
| 970 | \r |
| 971 | // do menu background to be sure it's right\r |
| 972 | pemu_forced_frame(POPT_EN_SOFTSCALE);\r |
| 973 | }\r |
| 974 | \r |
| 975 | const char *plat_get_credits(void)\r |
| 976 | {\r |
| 977 | return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r |
| 978 | "Credits:\n"\r |
| 979 | "fDave: Cyclone 68000 core,\n"\r |
| 980 | " base code of PicoDrive\n"\r |
| 981 | "Reesy & FluBBa: DrZ80 core\n"\r |
| 982 | "MAME devs: YM2612 and SN76496 cores\n"\r |
| 983 | "rlyeh and others: minimal SDK\n"\r |
| 984 | "Squidge: mmuhack\n"\r |
| 985 | "Dzz: ARM940 sample\n"\r |
| 986 | "GnoStiC / Puck2099: USB joy code\n"\r |
| 987 | "craigix: GP2X hardware\n"\r |
| 988 | "ketchupgun: skin design\n"\r |
| 989 | "\n"\r |
| 990 | "special thanks (for docs, ideas):\n"\r |
| 991 | " Charles MacDonald, Haze,\n"\r |
| 992 | " Stephane Dallongeville,\n"\r |
| 993 | " Lordus, Exophase, Rokas,\n"\r |
| 994 | " Nemesis, Tasco Deluxe";\r |
| 995 | }\r |