| 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 | \r |
| 9 | #include "plat_gp2x.h"\r |
| 10 | #include "soc.h"\r |
| 11 | #include "../common/plat.h"\r |
| 12 | #include "../common/menu.h"\r |
| 13 | #include "../common/arm_utils.h"\r |
| 14 | #include "../common/fonts.h"\r |
| 15 | #include "../common/emu.h"\r |
| 16 | #include "../common/config.h"\r |
| 17 | #include "../linux/sndout_oss.h"\r |
| 18 | #include "version.h"\r |
| 19 | \r |
| 20 | #include <pico/pico_int.h>\r |
| 21 | #include <pico/patch.h>\r |
| 22 | #include <pico/sound/mix.h>\r |
| 23 | #include <zlib/zlib.h>\r |
| 24 | \r |
| 25 | //#define PFRAMES\r |
| 26 | \r |
| 27 | #ifdef BENCHMARK\r |
| 28 | #define OSD_FPS_X 220\r |
| 29 | #else\r |
| 30 | #define OSD_FPS_X 260\r |
| 31 | #endif\r |
| 32 | \r |
| 33 | \r |
| 34 | extern int crashed_940;\r |
| 35 | \r |
| 36 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r |
| 37 | static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];\r |
| 38 | unsigned char *PicoDraw2FB = PicoDraw2FB_;\r |
| 39 | static int osd_fps_x;\r |
| 40 | \r |
| 41 | extern void *gp2x_screens[4];\r |
| 42 | \r |
| 43 | int plat_get_root_dir(char *dst, int len)\r |
| 44 | {\r |
| 45 | extern char **g_argv;\r |
| 46 | int j;\r |
| 47 | \r |
| 48 | strncpy(dst, g_argv[0], len);\r |
| 49 | len -= 32; // reserve\r |
| 50 | if (len < 0) len = 0;\r |
| 51 | dst[len] = 0;\r |
| 52 | for (j = strlen(dst); j > 0; j--)\r |
| 53 | if (dst[j] == '/') { dst[j+1] = 0; break; }\r |
| 54 | \r |
| 55 | return j + 1;\r |
| 56 | }\r |
| 57 | \r |
| 58 | \r |
| 59 | static void scaling_update(void)\r |
| 60 | {\r |
| 61 | PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);\r |
| 62 | switch (currentConfig.scaling) {\r |
| 63 | default:break;\r |
| 64 | case EOPT_SCALE_HW_H:\r |
| 65 | case EOPT_SCALE_HW_HV:\r |
| 66 | PicoOpt |= POPT_DIS_32C_BORDER;\r |
| 67 | break;\r |
| 68 | case EOPT_SCALE_SW_H:\r |
| 69 | PicoOpt |= POPT_EN_SOFTSCALE;\r |
| 70 | break;\r |
| 71 | }\r |
| 72 | }\r |
| 73 | \r |
| 74 | \r |
| 75 | void pemu_prep_defconfig(void)\r |
| 76 | {\r |
| 77 | gp2x_soc_t soc;\r |
| 78 | \r |
| 79 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
| 80 | defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;\r |
| 81 | defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r |
| 82 | defaultConfig.s_PsndRate = 44100;\r |
| 83 | defaultConfig.s_PicoRegion = 0; // auto\r |
| 84 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
| 85 | defaultConfig.s_PicoCDBuffers = 0;\r |
| 86 | defaultConfig.Frameskip = -1; // auto\r |
| 87 | defaultConfig.CPUclock = default_cpu_clock;\r |
| 88 | defaultConfig.volume = 50;\r |
| 89 | defaultConfig.gamma = 100;\r |
| 90 | defaultConfig.scaling = 0;\r |
| 91 | defaultConfig.turbo_rate = 15;\r |
| 92 | \r |
| 93 | soc = soc_detect();\r |
| 94 | if (soc == SOCID_MMSP2)\r |
| 95 | defaultConfig.s_PicoOpt |= POPT_EXT_FM;\r |
| 96 | else if (soc == SOCID_POLLUX)\r |
| 97 | defaultConfig.EmuOpt |= EOPT_WIZ_TEAR_FIX|EOPT_SHOW_RTC;\r |
| 98 | }\r |
| 99 | \r |
| 100 | static void (*osd_text)(int x, int y, const char *text);\r |
| 101 | \r |
| 102 | static void osd_text8(int x, int y, const char *text)\r |
| 103 | {\r |
| 104 | int len = strlen(text)*8;\r |
| 105 | int *p, i, h, offs;\r |
| 106 | \r |
| 107 | len = (len+3) >> 2;\r |
| 108 | for (h = 0; h < 8; h++) {\r |
| 109 | offs = (x + g_screen_width * (y+h)) & ~3;\r |
| 110 | p = (int *) ((char *)g_screen_ptr + offs);\r |
| 111 | for (i = len; i; i--, p++)\r |
| 112 | *p = 0xe0e0e0e0;\r |
| 113 | }\r |
| 114 | emu_text_out8(x, y, text);\r |
| 115 | }\r |
| 116 | \r |
| 117 | static void osd_text16(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+1) >> 1;\r |
| 123 | for (h = 0; h < 8; h++) {\r |
| 124 | offs = (x + g_screen_width * (y+h)) & ~1;\r |
| 125 | p = (int *) ((short *)g_screen_ptr + offs);\r |
| 126 | for (i = len; i; i--, p++)\r |
| 127 | *p = (*p >> 2) & 0x39e7;\r |
| 128 | }\r |
| 129 | emu_text_out16(x, y, text);\r |
| 130 | }\r |
| 131 | \r |
| 132 | static void osd_text8_rot(int x, int y, const char *text)\r |
| 133 | {\r |
| 134 | int len = strlen(text) * 8;\r |
| 135 | char *p = (char *)g_screen_ptr + 240*(320-x) + y;\r |
| 136 | \r |
| 137 | while (len--) {\r |
| 138 | memset(p, 0xe0, 8);\r |
| 139 | p -= 240;\r |
| 140 | }\r |
| 141 | \r |
| 142 | emu_text_out8_rot(x, y, text);\r |
| 143 | }\r |
| 144 | \r |
| 145 | static void osd_text16_rot(int x, int y, const char *text)\r |
| 146 | {\r |
| 147 | int len = strlen(text) * 8;\r |
| 148 | short *p = (short *)g_screen_ptr + 240*(320-x) + y;\r |
| 149 | \r |
| 150 | while (len--) {\r |
| 151 | memset(p, 0, 8*2);\r |
| 152 | p -= 240;\r |
| 153 | }\r |
| 154 | \r |
| 155 | emu_text_out16_rot(x, y, text);\r |
| 156 | }\r |
| 157 | \r |
| 158 | static void draw_cd_leds(void)\r |
| 159 | {\r |
| 160 | int led_reg, pitch, scr_offs, led_offs;\r |
| 161 | led_reg = Pico_mcd->s68k_regs[0];\r |
| 162 | \r |
| 163 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
| 164 | pitch = 240;\r |
| 165 | led_offs = -pitch * 6;\r |
| 166 | scr_offs = pitch * (320 - 4);\r |
| 167 | } else {\r |
| 168 | pitch = 320;\r |
| 169 | led_offs = 4;\r |
| 170 | scr_offs = pitch * 2 + 4;\r |
| 171 | }\r |
| 172 | \r |
| 173 | if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r |
| 174 | #define p(x) px[(x) >> 2]\r |
| 175 | // 8-bit modes\r |
| 176 | unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);\r |
| 177 | unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
| 178 | unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
| 179 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
| 180 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
| 181 | #undef p\r |
| 182 | } else {\r |
| 183 | #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r |
| 184 | // 16-bit modes\r |
| 185 | unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);\r |
| 186 | unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r |
| 187 | unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r |
| 188 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
| 189 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
| 190 | #undef p\r |
| 191 | }\r |
| 192 | }\r |
| 193 | \r |
| 194 | static void draw_pico_ptr(void)\r |
| 195 | {\r |
| 196 | unsigned short *p = (unsigned short *)g_screen_ptr;\r |
| 197 | int x, y, pitch = 320;\r |
| 198 | \r |
| 199 | // only if pen enabled and for 16bit modes\r |
| 200 | if (pico_inp_mode == 0 || (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r |
| 201 | return;\r |
| 202 | \r |
| 203 | x = pico_pen_x + PICO_PEN_ADJUST_X;\r |
| 204 | y = pico_pen_y + PICO_PEN_ADJUST_Y;\r |
| 205 | if (!(Pico.video.reg[12]&1) && !(PicoOpt & POPT_DIS_32C_BORDER))\r |
| 206 | x += 32;\r |
| 207 | \r |
| 208 | if (EOPT_WIZ_TEAR_FIX) {\r |
| 209 | pitch = 240;\r |
| 210 | p += (319 - x) * pitch + y;\r |
| 211 | } else\r |
| 212 | p += x + y * pitch;\r |
| 213 | \r |
| 214 | p[0] ^= 0xffff;\r |
| 215 | p[pitch-1] ^= 0xffff;\r |
| 216 | p[pitch] ^= 0xffff;\r |
| 217 | p[pitch+1] ^= 0xffff;\r |
| 218 | p[pitch*2] ^= 0xffff;\r |
| 219 | }\r |
| 220 | \r |
| 221 | static int EmuScanBegin16(unsigned int num)\r |
| 222 | {\r |
| 223 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
| 224 | DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r |
| 225 | \r |
| 226 | return 0;\r |
| 227 | }\r |
| 228 | \r |
| 229 | static int EmuScanBegin8(unsigned int num)\r |
| 230 | {\r |
| 231 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
| 232 | DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r |
| 233 | \r |
| 234 | return 0;\r |
| 235 | }\r |
| 236 | \r |
| 237 | /* rot thing for Wiz */\r |
| 238 | static unsigned char __attribute__((aligned(4))) rot_buff[320*4*2];\r |
| 239 | \r |
| 240 | static int EmuScanBegin16_rot(unsigned int num)\r |
| 241 | {\r |
| 242 | DrawLineDest = rot_buff + (num & 3) * 320 * 2;\r |
| 243 | return 0;\r |
| 244 | }\r |
| 245 | \r |
| 246 | static int EmuScanEnd16_rot(unsigned int num)\r |
| 247 | {\r |
| 248 | if ((num & 3) != 3)\r |
| 249 | return 0;\r |
| 250 | if (!(Pico.video.reg[1] & 8))\r |
| 251 | num += 8;\r |
| 252 | rotated_blit16(g_screen_ptr, rot_buff, num + 1,\r |
| 253 | !(Pico.video.reg[12] & 1) && !(PicoOpt & POPT_EN_SOFTSCALE));\r |
| 254 | return 0;\r |
| 255 | }\r |
| 256 | \r |
| 257 | static int EmuScanBegin8_rot(unsigned int num)\r |
| 258 | {\r |
| 259 | DrawLineDest = rot_buff + (num & 3) * 320;\r |
| 260 | return 0;\r |
| 261 | }\r |
| 262 | \r |
| 263 | static int EmuScanEnd8_rot(unsigned int num)\r |
| 264 | {\r |
| 265 | if ((num & 3) != 3)\r |
| 266 | return 0;\r |
| 267 | if (!(Pico.video.reg[1] & 8))\r |
| 268 | num += 8;\r |
| 269 | rotated_blit8(g_screen_ptr, rot_buff, num + 1,\r |
| 270 | !(Pico.video.reg[12] & 1));\r |
| 271 | return 0;\r |
| 272 | }\r |
| 273 | \r |
| 274 | int localPal[0x100];\r |
| 275 | static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border) = NULL;\r |
| 276 | \r |
| 277 | void pemu_update_display(const char *fps, const char *notice)\r |
| 278 | {\r |
| 279 | int emu_opt = currentConfig.EmuOpt;\r |
| 280 | \r |
| 281 | if (PicoOpt & POPT_ALT_RENDERER)\r |
| 282 | {\r |
| 283 | // 8bit fast renderer\r |
| 284 | if (Pico.m.dirtyPal) {\r |
| 285 | Pico.m.dirtyPal = 0;\r |
| 286 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 287 | // feed new palette to our device\r |
| 288 | gp2x_video_setpalette(localPal, 0x40);\r |
| 289 | }\r |
| 290 | // a hack for VR\r |
| 291 | if (PicoRead16Hook == PicoSVPRead16)\r |
| 292 | memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r |
| 293 | // do actual copy\r |
| 294 | vidcpyM2(g_screen_ptr, PicoDraw2FB+328*8,\r |
| 295 | !(Pico.video.reg[12] & 1), !(PicoOpt & POPT_DIS_32C_BORDER));\r |
| 296 | }\r |
| 297 | else if (!(emu_opt & EOPT_16BPP))\r |
| 298 | {\r |
| 299 | // 8bit accurate renderer\r |
| 300 | if (Pico.m.dirtyPal)\r |
| 301 | {\r |
| 302 | int pallen = 0xc0;\r |
| 303 | Pico.m.dirtyPal = 0;\r |
| 304 | if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r |
| 305 | {\r |
| 306 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 307 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
| 308 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
| 309 | memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r |
| 310 | pallen = 0x100;\r |
| 311 | }\r |
| 312 | else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r |
| 313 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 314 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
| 315 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
| 316 | }\r |
| 317 | else {\r |
| 318 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 319 | memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r |
| 320 | }\r |
| 321 | if (pallen > 0xc0) {\r |
| 322 | localPal[0xc0] = 0x0000c000;\r |
| 323 | localPal[0xd0] = 0x00c00000;\r |
| 324 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
| 325 | localPal[0xf0] = 0x00ffffff;\r |
| 326 | }\r |
| 327 | gp2x_video_setpalette(localPal, pallen);\r |
| 328 | }\r |
| 329 | }\r |
| 330 | \r |
| 331 | if (notice || (emu_opt & 2)) {\r |
| 332 | int h = 232;\r |
| 333 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r |
| 334 | h -= 8;\r |
| 335 | if (notice)\r |
| 336 | osd_text(4, h, notice);\r |
| 337 | if (emu_opt & 2)\r |
| 338 | osd_text(osd_fps_x, h, fps);\r |
| 339 | }\r |
| 340 | if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r |
| 341 | draw_cd_leds();\r |
| 342 | if (PicoAHW & PAHW_PICO)\r |
| 343 | draw_pico_ptr();\r |
| 344 | \r |
| 345 | gp2x_video_flip();\r |
| 346 | }\r |
| 347 | \r |
| 348 | /* XXX */\r |
| 349 | #ifdef __GP2X__\r |
| 350 | unsigned int plat_get_ticks_ms(void)\r |
| 351 | {\r |
| 352 | return gp2x_get_ticks_ms();\r |
| 353 | }\r |
| 354 | \r |
| 355 | unsigned int plat_get_ticks_us(void)\r |
| 356 | {\r |
| 357 | return gp2x_get_ticks_us();\r |
| 358 | }\r |
| 359 | #endif\r |
| 360 | \r |
| 361 | void plat_wait_till_us(unsigned int us_to)\r |
| 362 | {\r |
| 363 | unsigned int now;\r |
| 364 | \r |
| 365 | spend_cycles(1024);\r |
| 366 | now = plat_get_ticks_us();\r |
| 367 | \r |
| 368 | while ((signed int)(us_to - now) > 512)\r |
| 369 | {\r |
| 370 | spend_cycles(1024);\r |
| 371 | now = plat_get_ticks_us();\r |
| 372 | }\r |
| 373 | }\r |
| 374 | \r |
| 375 | void plat_video_wait_vsync(void)\r |
| 376 | {\r |
| 377 | gp2x_video_wait_vsync();\r |
| 378 | }\r |
| 379 | \r |
| 380 | void plat_status_msg_clear(void)\r |
| 381 | {\r |
| 382 | int is_8bit = (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP);\r |
| 383 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
| 384 | /* ugh.. */\r |
| 385 | int i, u, *p;\r |
| 386 | if (is_8bit) {\r |
| 387 | for (i = 0; i < 4; i++) {\r |
| 388 | p = (int *)gp2x_screens[i] + (240-8) / 4;\r |
| 389 | for (u = 320; u > 0; u--, p += 240/4)\r |
| 390 | p[0] = p[1] = 0xe0e0e0e0;\r |
| 391 | }\r |
| 392 | } else {\r |
| 393 | for (i = 0; i < 4; i++) {\r |
| 394 | p = (int *)gp2x_screens[i] + (240-8)*2 / 4;\r |
| 395 | for (u = 320; u > 0; u--, p += 240*2/4)\r |
| 396 | p[0] = p[1] = p[2] = p[3] = 0;\r |
| 397 | }\r |
| 398 | }\r |
| 399 | return;\r |
| 400 | }\r |
| 401 | \r |
| 402 | if (is_8bit)\r |
| 403 | gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r |
| 404 | else\r |
| 405 | gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r |
| 406 | }\r |
| 407 | \r |
| 408 | void plat_status_msg_busy_next(const char *msg)\r |
| 409 | {\r |
| 410 | plat_status_msg_clear();\r |
| 411 | pemu_update_display("", msg);\r |
| 412 | emu_status_msg("");\r |
| 413 | \r |
| 414 | /* assumption: msg_busy_next gets called only when\r |
| 415 | * something slow is about to happen */\r |
| 416 | reset_timing = 1;\r |
| 417 | }\r |
| 418 | \r |
| 419 | void plat_status_msg_busy_first(const char *msg)\r |
| 420 | {\r |
| 421 | gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);\r |
| 422 | plat_status_msg_busy_next(msg);\r |
| 423 | }\r |
| 424 | \r |
| 425 | static void vidResetMode(void)\r |
| 426 | {\r |
| 427 | PicoScanEnd = NULL;\r |
| 428 | \r |
| 429 | if (PicoOpt & POPT_ALT_RENDERER) {\r |
| 430 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
| 431 | gp2x_video_changemode(-8);\r |
| 432 | vidcpyM2 = vidcpy_m2_rot;\r |
| 433 | osd_text = osd_text8_rot;\r |
| 434 | } else {\r |
| 435 | gp2x_video_changemode(8);\r |
| 436 | vidcpyM2 = vidcpy_m2;\r |
| 437 | osd_text = osd_text8;\r |
| 438 | }\r |
| 439 | }\r |
| 440 | else if (currentConfig.EmuOpt & EOPT_16BPP) {\r |
| 441 | PicoDrawSetColorFormat(1);\r |
| 442 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
| 443 | gp2x_video_changemode(-16);\r |
| 444 | PicoScanBegin = EmuScanBegin16_rot;\r |
| 445 | PicoScanEnd = EmuScanEnd16_rot;\r |
| 446 | osd_text = osd_text16_rot;\r |
| 447 | } else {\r |
| 448 | gp2x_video_changemode(16);\r |
| 449 | PicoScanBegin = EmuScanBegin16;\r |
| 450 | osd_text = osd_text16;\r |
| 451 | }\r |
| 452 | }\r |
| 453 | else {\r |
| 454 | PicoDrawSetColorFormat(2);\r |
| 455 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
| 456 | gp2x_video_changemode(-8);\r |
| 457 | PicoScanBegin = EmuScanBegin8_rot;\r |
| 458 | PicoScanEnd = EmuScanEnd8_rot;\r |
| 459 | osd_text = osd_text8_rot;\r |
| 460 | } else {\r |
| 461 | gp2x_video_changemode(8);\r |
| 462 | PicoScanBegin = EmuScanBegin8;\r |
| 463 | osd_text = osd_text8;\r |
| 464 | }\r |
| 465 | }\r |
| 466 | \r |
| 467 | if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r |
| 468 | // setup pal for 8-bit modes\r |
| 469 | localPal[0xc0] = 0x0000c000; // MCD LEDs\r |
| 470 | localPal[0xd0] = 0x00c00000;\r |
| 471 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
| 472 | localPal[0xf0] = 0x00ffffff;\r |
| 473 | gp2x_video_setpalette(localPal, 0x100);\r |
| 474 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
| 475 | gp2x_video_flip();\r |
| 476 | }\r |
| 477 | Pico.m.dirtyPal = 1;\r |
| 478 | \r |
| 479 | // reset scaling\r |
| 480 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r |
| 481 | gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r |
| 482 | else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
| 483 | }\r |
| 484 | \r |
| 485 | void plat_video_toggle_renderer(int is_next, int is_menu)\r |
| 486 | {\r |
| 487 | /* alt, 16bpp, 8bpp */\r |
| 488 | if (PicoOpt & POPT_ALT_RENDERER) {\r |
| 489 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
| 490 | if (is_next)\r |
| 491 | currentConfig.EmuOpt |= EOPT_16BPP;\r |
| 492 | } else if (!(currentConfig.EmuOpt & EOPT_16BPP)) {\r |
| 493 | if (is_next)\r |
| 494 | PicoOpt |= POPT_ALT_RENDERER;\r |
| 495 | else\r |
| 496 | currentConfig.EmuOpt |= EOPT_16BPP;\r |
| 497 | } else {\r |
| 498 | currentConfig.EmuOpt &= ~EOPT_16BPP;\r |
| 499 | if (!is_next)\r |
| 500 | PicoOpt |= POPT_ALT_RENDERER;\r |
| 501 | }\r |
| 502 | \r |
| 503 | if (is_menu)\r |
| 504 | return;\r |
| 505 | \r |
| 506 | vidResetMode();\r |
| 507 | \r |
| 508 | if (PicoOpt & POPT_ALT_RENDERER) {\r |
| 509 | emu_status_msg(" 8bit fast renderer");\r |
| 510 | } else if (currentConfig.EmuOpt & EOPT_16BPP) {\r |
| 511 | emu_status_msg("16bit accurate renderer");\r |
| 512 | } else {\r |
| 513 | emu_status_msg(" 8bit accurate renderer");\r |
| 514 | }\r |
| 515 | }\r |
| 516 | \r |
| 517 | #if 0 // TODO\r |
| 518 | static void RunEventsPico(unsigned int events)\r |
| 519 | {\r |
| 520 | int ret, px, py, lim_x;\r |
| 521 | static int pdown_frames = 0;\r |
| 522 | \r |
| 523 | // for F200\r |
| 524 | ret = gp2x_touchpad_read(&px, &py);\r |
| 525 | if (ret >= 0)\r |
| 526 | {\r |
| 527 | if (ret > 35000)\r |
| 528 | {\r |
| 529 | if (pdown_frames++ > 5)\r |
| 530 | PicoPad[0] |= 0x20;\r |
| 531 | \r |
| 532 | pico_pen_x = px;\r |
| 533 | pico_pen_y = py;\r |
| 534 | if (!(Pico.video.reg[12]&1)) {\r |
| 535 | pico_pen_x -= 32;\r |
| 536 | if (pico_pen_x < 0) pico_pen_x = 0;\r |
| 537 | if (pico_pen_x > 248) pico_pen_x = 248;\r |
| 538 | }\r |
| 539 | if (pico_pen_y > 224) pico_pen_y = 224;\r |
| 540 | }\r |
| 541 | else\r |
| 542 | pdown_frames = 0;\r |
| 543 | \r |
| 544 | //if (ret == 0)\r |
| 545 | // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
| 546 | }\r |
| 547 | }\r |
| 548 | #endif\r |
| 549 | \r |
| 550 | void plat_update_volume(int has_changed, int is_up)\r |
| 551 | {\r |
| 552 | static int prev_frame = 0, wait_frames = 0;\r |
| 553 | int vol = currentConfig.volume;\r |
| 554 | int need_low_volume = 0;\r |
| 555 | gp2x_soc_t soc;\r |
| 556 | \r |
| 557 | soc = soc_detect();\r |
| 558 | if ((PicoOpt & POPT_EN_STEREO) && soc == SOCID_MMSP2)\r |
| 559 | need_low_volume = 1;\r |
| 560 | \r |
| 561 | if (has_changed)\r |
| 562 | {\r |
| 563 | if (need_low_volume && vol < 5 && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r |
| 564 | wait_frames++;\r |
| 565 | else {\r |
| 566 | if (is_up) {\r |
| 567 | if (vol < 99) vol++;\r |
| 568 | } else {\r |
| 569 | if (vol > 0) vol--;\r |
| 570 | }\r |
| 571 | wait_frames = 0;\r |
| 572 | sndout_oss_setvol(vol, vol);\r |
| 573 | currentConfig.volume = vol;\r |
| 574 | }\r |
| 575 | emu_status_msg("VOL: %02i", vol);\r |
| 576 | prev_frame = Pico.m.frame_count;\r |
| 577 | }\r |
| 578 | \r |
| 579 | if (need_low_volume)\r |
| 580 | return;\r |
| 581 | \r |
| 582 | /* set the right mixer func */\r |
| 583 | if (vol >= 5)\r |
| 584 | PsndMix_32_to_16l = mix_32_to_16l_stereo;\r |
| 585 | else {\r |
| 586 | mix_32_to_16l_level = 5 - vol;\r |
| 587 | PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r |
| 588 | }\r |
| 589 | }\r |
| 590 | \r |
| 591 | static void updateSound(int len)\r |
| 592 | {\r |
| 593 | if (PicoOpt & POPT_EN_STEREO)\r |
| 594 | len <<= 1;\r |
| 595 | \r |
| 596 | /* avoid writing audio when lagging behind to prevent audio lag */\r |
| 597 | if (PicoSkipFrame != 2)\r |
| 598 | sndout_oss_write(PsndOut, len<<1);\r |
| 599 | }\r |
| 600 | \r |
| 601 | void pemu_sound_start(void)\r |
| 602 | {\r |
| 603 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r |
| 604 | \r |
| 605 | PsndOut = NULL;\r |
| 606 | \r |
| 607 | // prepare sound stuff\r |
| 608 | if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r |
| 609 | {\r |
| 610 | int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r |
| 611 | int target_fps = Pico.m.pal ? 50 : 60;\r |
| 612 | int snd_excess_add;\r |
| 613 | gp2x_soc_t soc;\r |
| 614 | \r |
| 615 | #define SOUND_RERATE_FLAGS (POPT_EN_FM|POPT_EN_PSG|POPT_EN_STEREO|POPT_EXT_FM|POPT_EN_MCD_CDDA)\r |
| 616 | if (PsndRate != PsndRate_old || Pico.m.pal != pal_old || ((PicoOpt & POPT_EXT_FM) && crashed_940) ||\r |
| 617 | ((PicoOpt ^ PicoOpt_old) & SOUND_RERATE_FLAGS)) {\r |
| 618 | PsndRerate(Pico.m.frame_count ? 1 : 0);\r |
| 619 | }\r |
| 620 | snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;\r |
| 621 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r |
| 622 | PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);\r |
| 623 | sndout_oss_start(PsndRate, 16, is_stereo);\r |
| 624 | sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r |
| 625 | PicoWriteSound = updateSound;\r |
| 626 | plat_update_volume(0, 0);\r |
| 627 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
| 628 | PsndOut = sndBuffer;\r |
| 629 | PsndRate_old = PsndRate;\r |
| 630 | PicoOpt_old = PicoOpt;\r |
| 631 | pal_old = Pico.m.pal;\r |
| 632 | \r |
| 633 | /* Wiz's sound hardware needs more prebuffer */\r |
| 634 | soc = soc_detect();\r |
| 635 | if (soc == SOCID_POLLUX)\r |
| 636 | updateSound(PsndLen);\r |
| 637 | }\r |
| 638 | }\r |
| 639 | \r |
| 640 | void pemu_sound_stop(void)\r |
| 641 | {\r |
| 642 | }\r |
| 643 | \r |
| 644 | void pemu_sound_wait(void)\r |
| 645 | {\r |
| 646 | // don't need to do anything, writes will block by themselves\r |
| 647 | }\r |
| 648 | \r |
| 649 | \r |
| 650 | void pemu_forced_frame(int opts)\r |
| 651 | {\r |
| 652 | int po_old = PicoOpt;\r |
| 653 | int eo_old = currentConfig.EmuOpt;\r |
| 654 | \r |
| 655 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
| 656 | PicoOpt |= opts|POPT_ACC_SPRITES;\r |
| 657 | currentConfig.EmuOpt |= EOPT_16BPP;\r |
| 658 | \r |
| 659 | PicoDrawSetColorFormat(1);\r |
| 660 | PicoScanBegin = EmuScanBegin16;\r |
| 661 | PicoScanEnd = NULL;\r |
| 662 | Pico.m.dirtyPal = 1;\r |
| 663 | PicoFrameDrawOnly();\r |
| 664 | \r |
| 665 | PicoOpt = po_old;\r |
| 666 | currentConfig.EmuOpt = eo_old;\r |
| 667 | }\r |
| 668 | \r |
| 669 | void plat_debug_cat(char *str)\r |
| 670 | {\r |
| 671 | }\r |
| 672 | \r |
| 673 | void pemu_video_mode_change(int is_32col, int is_240_lines)\r |
| 674 | {\r |
| 675 | int scalex = 320;\r |
| 676 | osd_fps_x = OSD_FPS_X;\r |
| 677 | if (is_32col && (PicoOpt & POPT_DIS_32C_BORDER)) {\r |
| 678 | scalex = 256;\r |
| 679 | osd_fps_x = OSD_FPS_X - 64;\r |
| 680 | }\r |
| 681 | /* want vertical scaling and game is not in 240 line mode */\r |
| 682 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !is_240_lines)\r |
| 683 | gp2x_video_RGB_setscaling(8, scalex, 224);\r |
| 684 | else\r |
| 685 | gp2x_video_RGB_setscaling(0, scalex, 240);\r |
| 686 | \r |
| 687 | // clear whole screen in all buffers\r |
| 688 | if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r |
| 689 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
| 690 | else\r |
| 691 | gp2x_memset_all_buffers(0, 0, 320*240*2);\r |
| 692 | }\r |
| 693 | \r |
| 694 | #if 0\r |
| 695 | static void tga_dump(void)\r |
| 696 | {\r |
| 697 | #define BYTE unsigned char\r |
| 698 | #define WORD unsigned short\r |
| 699 | struct\r |
| 700 | {\r |
| 701 | BYTE IDLength; /* 00h Size of Image ID field */\r |
| 702 | BYTE ColorMapType; /* 01h Color map type */\r |
| 703 | BYTE ImageType; /* 02h Image type code */\r |
| 704 | WORD CMapStart; /* 03h Color map origin */\r |
| 705 | WORD CMapLength; /* 05h Color map length */\r |
| 706 | BYTE CMapDepth; /* 07h Depth of color map entries */\r |
| 707 | WORD XOffset; /* 08h X origin of image */\r |
| 708 | WORD YOffset; /* 0Ah Y origin of image */\r |
| 709 | WORD Width; /* 0Ch Width of image */\r |
| 710 | WORD Height; /* 0Eh Height of image */\r |
| 711 | BYTE PixelDepth; /* 10h Image pixel size */\r |
| 712 | BYTE ImageDescriptor; /* 11h Image descriptor byte */\r |
| 713 | } __attribute__((packed)) TGAHEAD;\r |
| 714 | static unsigned short oldscr[320*240];\r |
| 715 | FILE *f; char name[128]; int i;\r |
| 716 | \r |
| 717 | memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r |
| 718 | TGAHEAD.ImageType = 2;\r |
| 719 | TGAHEAD.Width = 320;\r |
| 720 | TGAHEAD.Height = 240;\r |
| 721 | TGAHEAD.PixelDepth = 16;\r |
| 722 | TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r |
| 723 | \r |
| 724 | #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r |
| 725 | \r |
| 726 | for (i = 0; i < 320*240; i++)\r |
| 727 | if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r |
| 728 | if (i < 320*240)\r |
| 729 | {\r |
| 730 | for (i = 0; i < 320*240; i++)\r |
| 731 | oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r |
| 732 | sprintf(name, "%05i.tga", Pico.m.frame_count);\r |
| 733 | f = fopen(name, "wb");\r |
| 734 | if (!f) { printf("!f\n"); exit(1); }\r |
| 735 | fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r |
| 736 | fwrite(oldscr, 1, 320*240*2, f);\r |
| 737 | fclose(f);\r |
| 738 | }\r |
| 739 | }\r |
| 740 | #endif\r |
| 741 | \r |
| 742 | void pemu_loop_prep(void)\r |
| 743 | {\r |
| 744 | static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0;\r |
| 745 | static int gp2x_old_gamma = 100;\r |
| 746 | \r |
| 747 | if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r |
| 748 | if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r |
| 749 | set_ram_timings();\r |
| 750 | else\r |
| 751 | unset_ram_timings();\r |
| 752 | }\r |
| 753 | \r |
| 754 | if (gp2x_old_clock < 0)\r |
| 755 | gp2x_old_clock = default_cpu_clock;\r |
| 756 | if (gp2x_old_clock != currentConfig.CPUclock) {\r |
| 757 | printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r |
| 758 | gp2x_set_cpuclk(currentConfig.CPUclock);\r |
| 759 | gp2x_old_clock = currentConfig.CPUclock;\r |
| 760 | printf(" done\n");\r |
| 761 | }\r |
| 762 | \r |
| 763 | if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r |
| 764 | set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r |
| 765 | gp2x_old_gamma = currentConfig.gamma;\r |
| 766 | printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r |
| 767 | }\r |
| 768 | \r |
| 769 | if (((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_PSYNC) || Pico.m.pal != pal_old) {\r |
| 770 | if (currentConfig.EmuOpt & EOPT_PSYNC)\r |
| 771 | set_lcd_custom_rate(Pico.m.pal);\r |
| 772 | else\r |
| 773 | unset_lcd_custom_rate();\r |
| 774 | }\r |
| 775 | \r |
| 776 | if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)\r |
| 777 | gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);\r |
| 778 | \r |
| 779 | EmuOpt_old = currentConfig.EmuOpt;\r |
| 780 | pal_old = Pico.m.pal;\r |
| 781 | \r |
| 782 | // make sure we are in correct mode\r |
| 783 | vidResetMode();\r |
| 784 | scaling_update();\r |
| 785 | \r |
| 786 | pemu_sound_start();\r |
| 787 | }\r |
| 788 | \r |
| 789 | void pemu_loop_end(void)\r |
| 790 | {\r |
| 791 | }\r |
| 792 | \r |
| 793 | const char *plat_get_credits(void)\r |
| 794 | {\r |
| 795 | return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r |
| 796 | "Credits:\n"\r |
| 797 | "fDave: Cyclone 68000 core,\n"\r |
| 798 | " base code of PicoDrive\n"\r |
| 799 | "Reesy & FluBBa: DrZ80 core\n"\r |
| 800 | "MAME devs: YM2612 and SN76496 cores\n"\r |
| 801 | "rlyeh and others: minimal SDK\n"\r |
| 802 | "Squidge: mmuhack\n"\r |
| 803 | "Dzz: ARM940 sample\n"\r |
| 804 | "GnoStiC / Puck2099: USB joy code\n"\r |
| 805 | "craigix: GP2X hardware\n"\r |
| 806 | "ketchupgun: skin design\n"\r |
| 807 | "\n"\r |
| 808 | "special thanks (for docs, ideas):\n"\r |
| 809 | " Charles MacDonald, Haze,\n"\r |
| 810 | " Stephane Dallongeville,\n"\r |
| 811 | " Lordus, Exophase, Rokas,\n"\r |
| 812 | " Nemesis, Tasco Deluxe";\r |
| 813 | }\r |