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more sms wip, better ROM detect, line callback change
[picodrive.git] / platform / gp2x / emu.c
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bcd94522 1// (c) Copyright 2006-2009 notaz, All rights reserved.\r
cc68a136 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
cc68a136 8\r
0d9bf4fc 9#include "plat_gp2x.h"\r
42171343 10#include "soc.h"\r
bcd94522 11#include "../common/plat.h"\r
991473ad 12#include "../common/menu.h"\r
e5f426aa 13#include "../common/arm_utils.h"\r
14#include "../common/fonts.h"\r
ea8c405f 15#include "../common/emu.h"\r
58c86d00 16#include "../common/config.h"\r
e5ab6faf 17#include "../linux/sndout_oss.h"\r
713c9224 18#include "version.h"\r
cc68a136 19\r
efcba75f 20#include <pico/pico_int.h>\r
21#include <pico/patch.h>\r
22#include <pico/sound/mix.h>\r
b67ef287 23#include <zlib/zlib.h>\r
cc68a136 24\r
1dceadae 25//#define PFRAMES\r
cc68a136 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
cc68a136 33\r
cc68a136 34extern int crashed_940;\r
35\r
02da059d 36static short __attribute__((aligned(4))) sndBuffer[2*(44100+100)/50];\r
f2cf8472 37static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];\r
38unsigned char *PicoDraw2FB = PicoDraw2FB_;\r
cc41eb4f 39static int osd_fps_x;\r
cc68a136 40\r
cc41eb4f 41extern void *gp2x_screens[4];\r
cc68a136 42\r
f2cf8472 43int plat_get_root_dir(char *dst, int len)\r
8c1952f0 44{\r
ea8c405f 45 extern char **g_argv;\r
46 int j;\r
8c1952f0 47\r
ea8c405f 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
ca482e5d 54\r
55 return j + 1;\r
8c1952f0 56}\r
57\r
cc68a136 58\r
ea8c405f 59static void scaling_update(void)\r
2433f409 60{\r
ee2a3bdf 61 PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);\r
2433f409 62 switch (currentConfig.scaling) {\r
ee2a3bdf 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
2433f409 71 }\r
72}\r
73\r
74\r
f2cf8472 75void pemu_prep_defconfig(void)\r
58c86d00 76{\r
ee2a3bdf 77 gp2x_soc_t soc;\r
78\r
58c86d00 79 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
cc41eb4f 80 defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;\r
ee2a3bdf 81 defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r
58c86d00 82 defaultConfig.s_PsndRate = 44100;\r
83 defaultConfig.s_PicoRegion = 0; // auto\r
84 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
2d2247c2 85 defaultConfig.s_PicoCDBuffers = 0;\r
58c86d00 86 defaultConfig.Frameskip = -1; // auto\r
ee2a3bdf 87 defaultConfig.CPUclock = default_cpu_clock;\r
58c86d00 88 defaultConfig.volume = 50;\r
58c86d00 89 defaultConfig.gamma = 100;\r
90 defaultConfig.scaling = 0;\r
f0f0d2df 91 defaultConfig.turbo_rate = 15;\r
ee2a3bdf 92\r
93 soc = soc_detect();\r
94 if (soc == SOCID_MMSP2)\r
95 defaultConfig.s_PicoOpt |= POPT_EXT_FM;\r
cc41eb4f 96 else if (soc == SOCID_POLLUX)\r
61753a67 97 defaultConfig.EmuOpt |= EOPT_WIZ_TEAR_FIX|EOPT_SHOW_RTC;\r
58c86d00 98}\r
99\r
cc41eb4f 100static void (*osd_text)(int x, int y, const char *text);\r
101\r
102static void osd_text8(int x, int y, const char *text)\r
cc68a136 103{\r
104 int len = strlen(text)*8;\r
e2de9939 105 int *p, i, h, offs;\r
cc68a136 106\r
cc41eb4f 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
117static 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
132static 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
cc68a136 140 }\r
cc41eb4f 141\r
142 emu_text_out8_rot(x, y, text);\r
143}\r
144\r
145static 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
cc68a136 156}\r
157\r
213c16ad 158static void draw_cd_leds(void)\r
bf098bc5 159{\r
cc41eb4f 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
bf098bc5 172\r
d34a42f9 173 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
cc41eb4f 174 #define p(x) px[(x) >> 2]\r
bf098bc5 175 // 8-bit modes\r
cc41eb4f 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
bf098bc5 182 } else {\r
cc41eb4f 183 #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r
bf098bc5 184 // 16-bit modes\r
cc41eb4f 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
bf098bc5 191 }\r
192}\r
193\r
213c16ad 194static void draw_pico_ptr(void)\r
195{\r
e2de9939 196 unsigned short *p = (unsigned short *)g_screen_ptr;\r
cc41eb4f 197 int x, y, pitch = 320;\r
213c16ad 198\r
199 // only if pen enabled and for 16bit modes\r
cc41eb4f 200 if (pico_inp_mode == 0 || (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r
201 return;\r
213c16ad 202\r
cc41eb4f 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
213c16ad 207\r
02da059d 208 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
cc41eb4f 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
213c16ad 219}\r
220\r
602133e1 221static int EmuScanBegin16(unsigned int num)\r
cc68a136 222{\r
e2de9939 223 DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r
cc68a136 224\r
225 return 0;\r
226}\r
227\r
602133e1 228static int EmuScanBegin8(unsigned int num)\r
cc68a136 229{\r
e2de9939 230 DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r
cc68a136 231\r
232 return 0;\r
233}\r
234\r
cc41eb4f 235/* rot thing for Wiz */\r
236static unsigned char __attribute__((aligned(4))) rot_buff[320*4*2];\r
237\r
238static int EmuScanBegin16_rot(unsigned int num)\r
239{\r
240 DrawLineDest = rot_buff + (num & 3) * 320 * 2;\r
241 return 0;\r
242}\r
243\r
244static int EmuScanEnd16_rot(unsigned int num)\r
245{\r
246 if ((num & 3) != 3)\r
247 return 0;\r
cc41eb4f 248 rotated_blit16(g_screen_ptr, rot_buff, num + 1,\r
249 !(Pico.video.reg[12] & 1) && !(PicoOpt & POPT_EN_SOFTSCALE));\r
250 return 0;\r
251}\r
252\r
253static int EmuScanBegin8_rot(unsigned int num)\r
254{\r
255 DrawLineDest = rot_buff + (num & 3) * 320;\r
256 return 0;\r
257}\r
258\r
259static int EmuScanEnd8_rot(unsigned int num)\r
260{\r
261 if ((num & 3) != 3)\r
262 return 0;\r
cc41eb4f 263 rotated_blit8(g_screen_ptr, rot_buff, num + 1,\r
264 !(Pico.video.reg[12] & 1));\r
265 return 0;\r
266}\r
267\r
e11c5548 268int localPal[0x100];\r
cc41eb4f 269static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border) = NULL;\r
cc68a136 270\r
b24e0f6c 271void pemu_update_display(const char *fps, const char *notice)\r
cc68a136 272{\r
bf098bc5 273 int emu_opt = currentConfig.EmuOpt;\r
274\r
d34a42f9 275 if (PicoOpt & POPT_ALT_RENDERER)\r
fad24893 276 {\r
cc68a136 277 // 8bit fast renderer\r
278 if (Pico.m.dirtyPal) {\r
279 Pico.m.dirtyPal = 0;\r
280 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
281 // feed new palette to our device\r
282 gp2x_video_setpalette(localPal, 0x40);\r
283 }\r
fad24893 284 // a hack for VR\r
285 if (PicoRead16Hook == PicoSVPRead16)\r
286 memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
287 // do actual copy\r
cc41eb4f 288 vidcpyM2(g_screen_ptr, PicoDraw2FB+328*8,\r
289 !(Pico.video.reg[12] & 1), !(PicoOpt & POPT_DIS_32C_BORDER));\r
fad24893 290 }\r
d34a42f9 291 else if (!(emu_opt & EOPT_16BPP))\r
fad24893 292 {\r
cc68a136 293 // 8bit accurate renderer\r
602133e1 294 if (Pico.m.dirtyPal)\r
295 {\r
f8af9634 296 int pallen = 0xc0;\r
cc68a136 297 Pico.m.dirtyPal = 0;\r
e5fa9817 298 if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
299 {\r
cc68a136 300 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
301 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
302 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
7b802576 303 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
e5fa9817 304 pallen = 0x100;\r
305 }\r
e5fa9817 306 else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
cc68a136 307 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
308 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
309 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
e5fa9817 310 }\r
311 else {\r
cc68a136 312 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
f8af9634 313 memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r
cc68a136 314 }\r
e5fa9817 315 if (pallen > 0xc0) {\r
316 localPal[0xc0] = 0x0000c000;\r
317 localPal[0xd0] = 0x00c00000;\r
318 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
319 localPal[0xf0] = 0x00ffffff;\r
320 }\r
321 gp2x_video_setpalette(localPal, pallen);\r
cc68a136 322 }\r
323 }\r
324\r
2433f409 325 if (notice || (emu_opt & 2)) {\r
326 int h = 232;\r
ee2a3bdf 327 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r
328 h -= 8;\r
329 if (notice)\r
330 osd_text(4, h, notice);\r
2433f409 331 if (emu_opt & 2)\r
332 osd_text(osd_fps_x, h, fps);\r
333 }\r
602133e1 334 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
213c16ad 335 draw_cd_leds();\r
336 if (PicoAHW & PAHW_PICO)\r
337 draw_pico_ptr();\r
cc68a136 338\r
cc68a136 339 gp2x_video_flip();\r
cc68a136 340}\r
341\r
b24e0f6c 342/* XXX */\r
343#ifdef __GP2X__\r
344unsigned int plat_get_ticks_ms(void)\r
345{\r
346 return gp2x_get_ticks_ms();\r
347}\r
348\r
349unsigned int plat_get_ticks_us(void)\r
350{\r
351 return gp2x_get_ticks_us();\r
352}\r
353#endif\r
354\r
355void plat_wait_till_us(unsigned int us_to)\r
356{\r
357 unsigned int now;\r
358\r
359 spend_cycles(1024);\r
360 now = plat_get_ticks_us();\r
361\r
362 while ((signed int)(us_to - now) > 512)\r
363 {\r
364 spend_cycles(1024);\r
365 now = plat_get_ticks_us();\r
366 }\r
367}\r
368\r
369void plat_video_wait_vsync(void)\r
370{\r
371 gp2x_video_wait_vsync();\r
372}\r
373\r
374void plat_status_msg_clear(void)\r
cc68a136 375{\r
cc41eb4f 376 int is_8bit = (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP);\r
b24e0f6c 377 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
cc41eb4f 378 /* ugh.. */\r
379 int i, u, *p;\r
380 if (is_8bit) {\r
381 for (i = 0; i < 4; i++) {\r
382 p = (int *)gp2x_screens[i] + (240-8) / 4;\r
383 for (u = 320; u > 0; u--, p += 240/4)\r
384 p[0] = p[1] = 0xe0e0e0e0;\r
385 }\r
386 } else {\r
387 for (i = 0; i < 4; i++) {\r
388 p = (int *)gp2x_screens[i] + (240-8)*2 / 4;\r
389 for (u = 320; u > 0; u--, p += 240*2/4)\r
390 p[0] = p[1] = p[2] = p[3] = 0;\r
391 }\r
392 }\r
393 return;\r
394 }\r
395\r
b24e0f6c 396 if (is_8bit)\r
397 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
398 else\r
399 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
cc68a136 400}\r
401\r
d34a42f9 402void plat_status_msg_busy_next(const char *msg)\r
403{\r
b24e0f6c 404 plat_status_msg_clear();\r
405 pemu_update_display("", msg);\r
7c34867a 406 emu_status_msg("");\r
d34a42f9 407\r
408 /* assumption: msg_busy_next gets called only when\r
409 * something slow is about to happen */\r
410 reset_timing = 1;\r
411}\r
412\r
413void plat_status_msg_busy_first(const char *msg)\r
414{\r
415 gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);\r
416 plat_status_msg_busy_next(msg);\r
417}\r
cc68a136 418\r
419static void vidResetMode(void)\r
420{\r
cc41eb4f 421 PicoScanEnd = NULL;\r
422\r
d34a42f9 423 if (PicoOpt & POPT_ALT_RENDERER) {\r
cc41eb4f 424 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
425 gp2x_video_changemode(-8);\r
426 vidcpyM2 = vidcpy_m2_rot;\r
427 osd_text = osd_text8_rot;\r
428 } else {\r
429 gp2x_video_changemode(8);\r
430 vidcpyM2 = vidcpy_m2;\r
431 osd_text = osd_text8;\r
432 }\r
433 }\r
434 else if (currentConfig.EmuOpt & EOPT_16BPP) {\r
cc68a136 435 PicoDrawSetColorFormat(1);\r
cc41eb4f 436 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
437 gp2x_video_changemode(-16);\r
438 PicoScanBegin = EmuScanBegin16_rot;\r
439 PicoScanEnd = EmuScanEnd16_rot;\r
440 osd_text = osd_text16_rot;\r
441 } else {\r
442 gp2x_video_changemode(16);\r
443 PicoScanBegin = EmuScanBegin16;\r
444 osd_text = osd_text16;\r
445 }\r
446 }\r
447 else {\r
bf098bc5 448 PicoDrawSetColorFormat(2);\r
cc41eb4f 449 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
450 gp2x_video_changemode(-8);\r
451 PicoScanBegin = EmuScanBegin8_rot;\r
452 PicoScanEnd = EmuScanEnd8_rot;\r
453 osd_text = osd_text8_rot;\r
454 } else {\r
455 gp2x_video_changemode(8);\r
456 PicoScanBegin = EmuScanBegin8;\r
457 osd_text = osd_text8;\r
458 }\r
bf098bc5 459 }\r
cc41eb4f 460\r
d34a42f9 461 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
bf098bc5 462 // setup pal for 8-bit modes\r
463 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
464 localPal[0xd0] = 0x00c00000;\r
cc68a136 465 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
466 localPal[0xf0] = 0x00ffffff;\r
cc68a136 467 gp2x_video_setpalette(localPal, 0x100);\r
468 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
469 gp2x_video_flip();\r
cc68a136 470 }\r
471 Pico.m.dirtyPal = 1;\r
cc41eb4f 472\r
cc68a136 473 // reset scaling\r
ee2a3bdf 474 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r
2433f409 475 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
476 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
cc68a136 477}\r
478\r
d90f5bd7 479void plat_video_toggle_renderer(int is_next, int is_menu)\r
66fdc0f0 480{\r
d90f5bd7 481 /* alt, 16bpp, 8bpp */\r
d34a42f9 482 if (PicoOpt & POPT_ALT_RENDERER) {\r
483 PicoOpt &= ~POPT_ALT_RENDERER;\r
d90f5bd7 484 if (is_next)\r
485 currentConfig.EmuOpt |= EOPT_16BPP;\r
486 } else if (!(currentConfig.EmuOpt & EOPT_16BPP)) {\r
487 if (is_next)\r
488 PicoOpt |= POPT_ALT_RENDERER;\r
489 else\r
490 currentConfig.EmuOpt |= EOPT_16BPP;\r
491 } else {\r
d34a42f9 492 currentConfig.EmuOpt &= ~EOPT_16BPP;\r
d90f5bd7 493 if (!is_next)\r
494 PicoOpt |= POPT_ALT_RENDERER;\r
495 }\r
496\r
497 if (is_menu)\r
498 return;\r
7a1f6e45 499\r
d34a42f9 500 vidResetMode();\r
66fdc0f0 501\r
d34a42f9 502 if (PicoOpt & POPT_ALT_RENDERER) {\r
b24e0f6c 503 emu_status_msg(" 8bit fast renderer");\r
d34a42f9 504 } else if (currentConfig.EmuOpt & EOPT_16BPP) {\r
b24e0f6c 505 emu_status_msg("16bit accurate renderer");\r
d34a42f9 506 } else {\r
b24e0f6c 507 emu_status_msg(" 8bit accurate renderer");\r
d34a42f9 508 }\r
fa1e5e29 509}\r
510\r
f2cf8472 511#if 0 // TODO\r
991473ad 512static void RunEventsPico(unsigned int events)\r
406c96c5 513{\r
f0f0d2df 514 int ret, px, py, lim_x;\r
85a4b5a4 515 static int pdown_frames = 0;\r
516\r
85a4b5a4 517 // for F200\r
518 ret = gp2x_touchpad_read(&px, &py);\r
f0f0d2df 519 if (ret >= 0)\r
520 {\r
521 if (ret > 35000)\r
522 {\r
85a4b5a4 523 if (pdown_frames++ > 5)\r
524 PicoPad[0] |= 0x20;\r
525\r
526 pico_pen_x = px;\r
527 pico_pen_y = py;\r
528 if (!(Pico.video.reg[12]&1)) {\r
529 pico_pen_x -= 32;\r
530 if (pico_pen_x < 0) pico_pen_x = 0;\r
531 if (pico_pen_x > 248) pico_pen_x = 248;\r
532 }\r
533 if (pico_pen_y > 224) pico_pen_y = 224;\r
534 }\r
535 else\r
f0f0d2df 536 pdown_frames = 0;\r
85a4b5a4 537\r
538 //if (ret == 0)\r
539 // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
540 }\r
406c96c5 541}\r
f2cf8472 542#endif\r
406c96c5 543\r
d34a42f9 544void plat_update_volume(int has_changed, int is_up)\r
4a32f01f 545{\r
546 static int prev_frame = 0, wait_frames = 0;\r
547 int vol = currentConfig.volume;\r
d34a42f9 548 int need_low_volume = 0;\r
549 gp2x_soc_t soc;\r
550\r
551 soc = soc_detect();\r
552 if ((PicoOpt & POPT_EN_STEREO) && soc == SOCID_MMSP2)\r
553 need_low_volume = 1;\r
4a32f01f 554\r
555 if (has_changed)\r
556 {\r
d34a42f9 557 if (need_low_volume && vol < 5 && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
4a32f01f 558 wait_frames++;\r
559 else {\r
560 if (is_up) {\r
561 if (vol < 99) vol++;\r
562 } else {\r
563 if (vol > 0) vol--;\r
564 }\r
565 wait_frames = 0;\r
e5ab6faf 566 sndout_oss_setvol(vol, vol);\r
4a32f01f 567 currentConfig.volume = vol;\r
568 }\r
b24e0f6c 569 emu_status_msg("VOL: %02i", vol);\r
4a32f01f 570 prev_frame = Pico.m.frame_count;\r
571 }\r
572\r
54646a39 573 if (!need_low_volume)\r
d34a42f9 574 return;\r
575\r
576 /* set the right mixer func */\r
4a32f01f 577 if (vol >= 5)\r
578 PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
579 else {\r
580 mix_32_to_16l_level = 5 - vol;\r
581 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
582 }\r
583}\r
584\r
7a93adeb 585static void updateSound(int len)\r
cc68a136 586{\r
b08ccf71 587 len <<= 1;\r
b24e0f6c 588 if (PicoOpt & POPT_EN_STEREO)\r
589 len <<= 1;\r
cc68a136 590\r
b08ccf71 591 if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))\r
592 return;\r
593\r
01bc6b19 594 /* avoid writing audio when lagging behind to prevent audio lag */\r
595 if (PicoSkipFrame != 2)\r
b08ccf71 596 sndout_oss_write(PsndOut, len);\r
cc68a136 597}\r
598\r
f2cf8472 599void pemu_sound_start(void)\r
7b3f44c6 600{\r
601 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
7b3f44c6 602\r
603 PsndOut = NULL;\r
604\r
605 // prepare sound stuff\r
7c34867a 606 if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
7b3f44c6 607 {\r
7c34867a 608 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
609 int target_fps = Pico.m.pal ? 50 : 60;\r
b08ccf71 610 int frame_samples, snd_excess_add;\r
02da059d 611 int snd_rate_oss = PsndRate;\r
7c34867a 612 gp2x_soc_t soc;\r
613\r
b08ccf71 614 soc = soc_detect();\r
02da059d 615 if (soc == SOCID_POLLUX) {\r
616 /* POLLUX pain: DPLL1 / mclk_div / bitclk_div / 4 */\r
617 switch (PsndRate) {\r
618 case 44100: PsndRate = 44171; break; // 44170.673077\r
619 case 22050: PsndRate = 22086; break; // 22085.336538\r
620 case 11025: PsndRate = 11043; break; // 11042.668269\r
621 default: break;\r
622 }\r
623 }\r
b08ccf71 624\r
7c34867a 625 #define SOUND_RERATE_FLAGS (POPT_EN_FM|POPT_EN_PSG|POPT_EN_STEREO|POPT_EXT_FM|POPT_EN_MCD_CDDA)\r
626 if (PsndRate != PsndRate_old || Pico.m.pal != pal_old || ((PicoOpt & POPT_EXT_FM) && crashed_940) ||\r
627 ((PicoOpt ^ PicoOpt_old) & SOUND_RERATE_FLAGS)) {\r
7b3f44c6 628 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
629 }\r
b08ccf71 630\r
7b3f44c6 631 memset(sndBuffer, 0, sizeof(sndBuffer));\r
632 PsndOut = sndBuffer;\r
b08ccf71 633 PicoWriteSound = updateSound;\r
7b3f44c6 634 PsndRate_old = PsndRate;\r
635 PicoOpt_old = PicoOpt;\r
636 pal_old = Pico.m.pal;\r
b08ccf71 637 plat_update_volume(0, 0);\r
638\r
639 frame_samples = PsndLen;\r
640 snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;\r
641 if (snd_excess_add != 0)\r
642 frame_samples++;\r
643 if (soc == SOCID_POLLUX)\r
644 frame_samples *= 2; /* force larger buffer */\r
645\r
646 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
647 PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);\r
648 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
02da059d 649 sndout_oss_start(snd_rate_oss, frame_samples, is_stereo);\r
7c34867a 650\r
651 /* Wiz's sound hardware needs more prebuffer */\r
7c34867a 652 if (soc == SOCID_POLLUX)\r
b08ccf71 653 updateSound(frame_samples);\r
7b3f44c6 654 }\r
655}\r
656\r
f2cf8472 657void pemu_sound_stop(void)\r
7b3f44c6 658{\r
02da059d 659 /* get back from Wiz pain */\r
660 switch (PsndRate) {\r
661 case 44171: PsndRate = 44100; break;\r
662 case 22086: PsndRate = 22050; break;\r
663 case 11043: PsndRate = 11025; break;\r
664 default: break;\r
665 }\r
7b3f44c6 666}\r
667\r
f2cf8472 668void pemu_sound_wait(void)\r
7b3f44c6 669{\r
670 // don't need to do anything, writes will block by themselves\r
671}\r
672\r
cc68a136 673\r
f2cf8472 674void pemu_forced_frame(int opts)\r
860c6322 675{\r
676 int po_old = PicoOpt;\r
a12e0116 677 int eo_old = currentConfig.EmuOpt;\r
678\r
f2cf8472 679 PicoOpt &= ~POPT_ALT_RENDERER;\r
680 PicoOpt |= opts|POPT_ACC_SPRITES;\r
681 currentConfig.EmuOpt |= EOPT_16BPP;\r
860c6322 682\r
a12e0116 683 PicoDrawSetColorFormat(1);\r
602133e1 684 PicoScanBegin = EmuScanBegin16;\r
cc41eb4f 685 PicoScanEnd = NULL;\r
a12e0116 686 Pico.m.dirtyPal = 1;\r
687 PicoFrameDrawOnly();\r
860c6322 688\r
48e8482f 689 PicoOpt = po_old;\r
a12e0116 690 currentConfig.EmuOpt = eo_old;\r
860c6322 691}\r
692\r
f2cf8472 693void plat_debug_cat(char *str)\r
fcf94fcc 694{\r
fcf94fcc 695}\r
696\r
b24e0f6c 697void pemu_video_mode_change(int is_32col, int is_240_lines)\r
cc68a136 698{\r
b24e0f6c 699 int scalex = 320;\r
700 osd_fps_x = OSD_FPS_X;\r
701 if (is_32col && (PicoOpt & POPT_DIS_32C_BORDER)) {\r
702 scalex = 256;\r
703 osd_fps_x = OSD_FPS_X - 64;\r
cc68a136 704 }\r
b24e0f6c 705 /* want vertical scaling and game is not in 240 line mode */\r
706 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !is_240_lines)\r
707 gp2x_video_RGB_setscaling(8, scalex, 224);\r
708 else\r
709 gp2x_video_RGB_setscaling(0, scalex, 240);\r
710\r
711 // clear whole screen in all buffers\r
712 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r
713 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
714 else\r
715 gp2x_memset_all_buffers(0, 0, 320*240*2);\r
cc68a136 716}\r
717\r
da310283 718#if 0\r
719static void tga_dump(void)\r
720{\r
721#define BYTE unsigned char\r
722#define WORD unsigned short\r
723 struct\r
724 {\r
725 BYTE IDLength; /* 00h Size of Image ID field */\r
726 BYTE ColorMapType; /* 01h Color map type */\r
727 BYTE ImageType; /* 02h Image type code */\r
728 WORD CMapStart; /* 03h Color map origin */\r
729 WORD CMapLength; /* 05h Color map length */\r
730 BYTE CMapDepth; /* 07h Depth of color map entries */\r
731 WORD XOffset; /* 08h X origin of image */\r
732 WORD YOffset; /* 0Ah Y origin of image */\r
733 WORD Width; /* 0Ch Width of image */\r
734 WORD Height; /* 0Eh Height of image */\r
735 BYTE PixelDepth; /* 10h Image pixel size */\r
736 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
737 } __attribute__((packed)) TGAHEAD;\r
738 static unsigned short oldscr[320*240];\r
739 FILE *f; char name[128]; int i;\r
740\r
741 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
742 TGAHEAD.ImageType = 2;\r
743 TGAHEAD.Width = 320;\r
744 TGAHEAD.Height = 240;\r
745 TGAHEAD.PixelDepth = 16;\r
746 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
747\r
748#define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
749\r
750 for (i = 0; i < 320*240; i++)\r
e2de9939 751 if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r
da310283 752 if (i < 320*240)\r
753 {\r
754 for (i = 0; i < 320*240; i++)\r
e2de9939 755 oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r
da310283 756 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
757 f = fopen(name, "wb");\r
758 if (!f) { printf("!f\n"); exit(1); }\r
759 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
760 fwrite(oldscr, 1, 320*240*2, f);\r
761 fclose(f);\r
762 }\r
763}\r
764#endif\r
765\r
b24e0f6c 766void pemu_loop_prep(void)\r
cc68a136 767{\r
cc41eb4f 768 static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0;\r
769 static int gp2x_old_gamma = 100;\r
7b436906 770 gp2x_soc_t soc;\r
771\r
772 soc = soc_detect();\r
cc68a136 773\r
0d9bf4fc 774 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r
775 if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r
ee2a3bdf 776 set_ram_timings();\r
0d9bf4fc 777 else\r
778 unset_ram_timings();\r
779 }\r
780\r
781 if (gp2x_old_clock < 0)\r
782 gp2x_old_clock = default_cpu_clock;\r
cc68a136 783 if (gp2x_old_clock != currentConfig.CPUclock) {\r
784 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
0d9bf4fc 785 gp2x_set_cpuclk(currentConfig.CPUclock);\r
cc68a136 786 gp2x_old_clock = currentConfig.CPUclock;\r
787 printf(" done\n");\r
788 }\r
789\r
7b436906 790 if (gp2x_old_gamma != currentConfig.gamma || ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_A_SN_GAMMA)) {\r
791 set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt & EOPT_A_SN_GAMMA));\r
cc68a136 792 gp2x_old_gamma = currentConfig.gamma;\r
82bc9cdd 793 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
cc68a136 794 }\r
795\r
7b436906 796 if (((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_VSYNC) || Pico.m.pal != pal_old) {\r
797 if ((currentConfig.EmuOpt & EOPT_VSYNC) || soc == SOCID_POLLUX)\r
0d9bf4fc 798 set_lcd_custom_rate(Pico.m.pal);\r
7b436906 799 else if (EmuOpt_old & EOPT_VSYNC)\r
0d9bf4fc 800 unset_lcd_custom_rate();\r
aae35e84 801 }\r
802\r
0d9bf4fc 803 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)\r
804 gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);\r
805\r
aae35e84 806 EmuOpt_old = currentConfig.EmuOpt;\r
cc41eb4f 807 pal_old = Pico.m.pal;\r
cc68a136 808\r
809 // make sure we are in correct mode\r
810 vidResetMode();\r
ea8c405f 811 scaling_update();\r
cc68a136 812\r
f2cf8472 813 pemu_sound_start();\r
b24e0f6c 814}\r
cc68a136 815\r
b24e0f6c 816void pemu_loop_end(void)\r
817{\r
730259b7 818 int po_old = PicoOpt;\r
819 int eo_old = currentConfig.EmuOpt;\r
820\r
02da059d 821 pemu_sound_stop();\r
822\r
730259b7 823 /* do one more frame for menu bg */\r
824 PicoOpt &= ~POPT_ALT_RENDERER;\r
825 PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;\r
826 currentConfig.EmuOpt |= EOPT_16BPP;\r
827\r
828 PicoScanBegin = EmuScanBegin16;\r
829 PicoScanEnd = NULL;\r
830 PicoDrawSetColorFormat(1);\r
831 Pico.m.dirtyPal = 1;\r
832 PicoFrame();\r
833\r
834 PicoOpt = po_old;\r
835 currentConfig.EmuOpt = eo_old;\r
cc68a136 836}\r
837\r
713c9224 838const char *plat_get_credits(void)\r
839{\r
840 return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r
841 "Credits:\n"\r
842 "fDave: Cyclone 68000 core,\n"\r
843 " base code of PicoDrive\n"\r
844 "Reesy & FluBBa: DrZ80 core\n"\r
845 "MAME devs: YM2612 and SN76496 cores\n"\r
846 "rlyeh and others: minimal SDK\n"\r
42171343 847 "Squidge: mmuhack\n"\r
713c9224 848 "Dzz: ARM940 sample\n"\r
849 "GnoStiC / Puck2099: USB joy code\n"\r
850 "craigix: GP2X hardware\n"\r
851 "ketchupgun: skin design\n"\r
852 "\n"\r
853 "special thanks (for docs, ideas):\n"\r
854 " Charles MacDonald, Haze,\n"\r
855 " Stephane Dallongeville,\n"\r
856 " Lordus, Exophase, Rokas,\n"\r
857 " Nemesis, Tasco Deluxe";\r
858}\r
fast MegaDrive/MegaCD/32X emulator