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vsync bugfix + refactoring
[libpicofe.git] / gp2x / emu.c
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046c4540 1// (c) Copyright 2006-2009 notaz, All rights reserved.\r
720ee7f6 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
720ee7f6 8\r
fa5e045b 9#include "plat_gp2x.h"\r
d572cbad 10#include "soc.h"\r
046c4540 11#include "../common/plat.h"\r
82abf46f 12#include "../common/menu.h"\r
c7a4ff64 13#include "../common/arm_utils.h"\r
14#include "../common/fonts.h"\r
f013066e 15#include "../common/emu.h"\r
0ae25549 16#include "../common/config.h"\r
b3972d82 17#include "../linux/sndout_oss.h"\r
049a6b3e 18#include "version.h"\r
720ee7f6 19\r
f11bad75 20#include <pico/pico_int.h>\r
21#include <pico/patch.h>\r
22#include <pico/sound/mix.h>\r
70d2ecc5 23#include <zlib/zlib.h>\r
720ee7f6 24\r
4327ec37 25//#define PFRAMES\r
720ee7f6 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
720ee7f6 33\r
720ee7f6 34extern int crashed_940;\r
35\r
6245d5a0 36static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
93c18cb4 37static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];\r
38unsigned char *PicoDraw2FB = PicoDraw2FB_;\r
b7911801 39static int osd_fps_x;\r
720ee7f6 40\r
b7911801 41extern void *gp2x_screens[4];\r
720ee7f6 42\r
93c18cb4 43int plat_get_root_dir(char *dst, int len)\r
25fced50 44{\r
f013066e 45 extern char **g_argv;\r
46 int j;\r
25fced50 47\r
f013066e 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
36f6fd5a 54\r
55 return j + 1;\r
25fced50 56}\r
57\r
720ee7f6 58\r
f013066e 59static void scaling_update(void)\r
79cad122 60{\r
fa8d1331 61 PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);\r
79cad122 62 switch (currentConfig.scaling) {\r
fa8d1331 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
79cad122 71 }\r
72}\r
73\r
74\r
93c18cb4 75void pemu_prep_defconfig(void)\r
0ae25549 76{\r
fa8d1331 77 gp2x_soc_t soc;\r
78\r
0ae25549 79 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
b7911801 80 defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;\r
fa8d1331 81 defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r
0ae25549 82 defaultConfig.s_PsndRate = 44100;\r
83 defaultConfig.s_PicoRegion = 0; // auto\r
84 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
88bfc63d 85 defaultConfig.s_PicoCDBuffers = 0;\r
0ae25549 86 defaultConfig.Frameskip = -1; // auto\r
fa8d1331 87 defaultConfig.CPUclock = default_cpu_clock;\r
0ae25549 88 defaultConfig.volume = 50;\r
0ae25549 89 defaultConfig.gamma = 100;\r
90 defaultConfig.scaling = 0;\r
6589c840 91 defaultConfig.turbo_rate = 15;\r
fa8d1331 92\r
93 soc = soc_detect();\r
94 if (soc == SOCID_MMSP2)\r
95 defaultConfig.s_PicoOpt |= POPT_EXT_FM;\r
b7911801 96 else if (soc == SOCID_POLLUX)\r
053bef76 97 defaultConfig.EmuOpt |= EOPT_WIZ_TEAR_FIX|EOPT_SHOW_RTC;\r
0ae25549 98}\r
99\r
b7911801 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
720ee7f6 103{\r
104 int len = strlen(text)*8;\r
e31266dd 105 int *p, i, h, offs;\r
720ee7f6 106\r
b7911801 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
720ee7f6 140 }\r
b7911801 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
720ee7f6 156}\r
157\r
2b395ee0 158static void draw_cd_leds(void)\r
daf91588 159{\r
b7911801 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
daf91588 172\r
388947f3 173 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
b7911801 174 #define p(x) px[(x) >> 2]\r
daf91588 175 // 8-bit modes\r
b7911801 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
daf91588 182 } else {\r
b7911801 183 #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r
daf91588 184 // 16-bit modes\r
b7911801 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
daf91588 191 }\r
192}\r
193\r
2b395ee0 194static void draw_pico_ptr(void)\r
195{\r
e31266dd 196 unsigned short *p = (unsigned short *)g_screen_ptr;\r
b7911801 197 int x, y, pitch = 320;\r
2b395ee0 198\r
199 // only if pen enabled and for 16bit modes\r
b7911801 200 if (pico_inp_mode == 0 || (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r
201 return;\r
2b395ee0 202\r
b7911801 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
2b395ee0 207\r
b7911801 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
2b395ee0 219}\r
220\r
dd5fd477 221static int EmuScanBegin16(unsigned int num)\r
720ee7f6 222{\r
223 if (!(Pico.video.reg[1]&8)) num += 8;\r
e31266dd 224 DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r
720ee7f6 225\r
226 return 0;\r
227}\r
228\r
dd5fd477 229static int EmuScanBegin8(unsigned int num)\r
720ee7f6 230{\r
231 if (!(Pico.video.reg[1]&8)) num += 8;\r
e31266dd 232 DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r
720ee7f6 233\r
234 return 0;\r
235}\r
236\r
b7911801 237/* rot thing for Wiz */\r
238static unsigned char __attribute__((aligned(4))) rot_buff[320*4*2];\r
239\r
240static 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
246static 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
257static 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
263static 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
e5d315a5 274int localPal[0x100];\r
b7911801 275static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border) = NULL;\r
720ee7f6 276\r
b5bfb864 277void pemu_update_display(const char *fps, const char *notice)\r
720ee7f6 278{\r
daf91588 279 int emu_opt = currentConfig.EmuOpt;\r
280\r
388947f3 281 if (PicoOpt & POPT_ALT_RENDERER)\r
b3818d1e 282 {\r
720ee7f6 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
b3818d1e 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
b7911801 294 vidcpyM2(g_screen_ptr, PicoDraw2FB+328*8,\r
295 !(Pico.video.reg[12] & 1), !(PicoOpt & POPT_DIS_32C_BORDER));\r
b3818d1e 296 }\r
388947f3 297 else if (!(emu_opt & EOPT_16BPP))\r
b3818d1e 298 {\r
720ee7f6 299 // 8bit accurate renderer\r
dd5fd477 300 if (Pico.m.dirtyPal)\r
301 {\r
61f66fe0 302 int pallen = 0xc0;\r
720ee7f6 303 Pico.m.dirtyPal = 0;\r
b13a934c 304 if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
305 {\r
720ee7f6 306 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
307 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
308 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
67dfdf5f 309 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
b13a934c 310 pallen = 0x100;\r
311 }\r
b13a934c 312 else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
720ee7f6 313 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
314 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
315 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
b13a934c 316 }\r
317 else {\r
720ee7f6 318 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
61f66fe0 319 memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r
720ee7f6 320 }\r
b13a934c 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
720ee7f6 328 }\r
329 }\r
330\r
79cad122 331 if (notice || (emu_opt & 2)) {\r
332 int h = 232;\r
fa8d1331 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
79cad122 337 if (emu_opt & 2)\r
338 osd_text(osd_fps_x, h, fps);\r
339 }\r
dd5fd477 340 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
2b395ee0 341 draw_cd_leds();\r
342 if (PicoAHW & PAHW_PICO)\r
343 draw_pico_ptr();\r
720ee7f6 344\r
720ee7f6 345 gp2x_video_flip();\r
720ee7f6 346}\r
347\r
b5bfb864 348/* XXX */\r
349#ifdef __GP2X__\r
350unsigned int plat_get_ticks_ms(void)\r
351{\r
352 return gp2x_get_ticks_ms();\r
353}\r
354\r
355unsigned int plat_get_ticks_us(void)\r
356{\r
357 return gp2x_get_ticks_us();\r
358}\r
359#endif\r
360\r
361void 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
375void plat_video_wait_vsync(void)\r
376{\r
377 gp2x_video_wait_vsync();\r
378}\r
379\r
380void plat_status_msg_clear(void)\r
720ee7f6 381{\r
b7911801 382 int is_8bit = (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP);\r
b5bfb864 383 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
b7911801 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
b5bfb864 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
720ee7f6 406}\r
407\r
388947f3 408void plat_status_msg_busy_next(const char *msg)\r
409{\r
b5bfb864 410 plat_status_msg_clear();\r
411 pemu_update_display("", msg);\r
9615b3df 412 emu_status_msg("");\r
388947f3 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
419void 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
720ee7f6 424\r
425static void vidResetMode(void)\r
426{\r
b7911801 427 PicoScanEnd = NULL;\r
428\r
388947f3 429 if (PicoOpt & POPT_ALT_RENDERER) {\r
b7911801 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
720ee7f6 441 PicoDrawSetColorFormat(1);\r
b7911801 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
daf91588 454 PicoDrawSetColorFormat(2);\r
b7911801 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
daf91588 465 }\r
b7911801 466\r
388947f3 467 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
daf91588 468 // setup pal for 8-bit modes\r
469 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
470 localPal[0xd0] = 0x00c00000;\r
720ee7f6 471 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
472 localPal[0xf0] = 0x00ffffff;\r
720ee7f6 473 gp2x_video_setpalette(localPal, 0x100);\r
474 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
475 gp2x_video_flip();\r
720ee7f6 476 }\r
477 Pico.m.dirtyPal = 1;\r
b7911801 478\r
720ee7f6 479 // reset scaling\r
fa8d1331 480 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r
79cad122 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
720ee7f6 483}\r
484\r
9ecdd73a 485void plat_video_toggle_renderer(int is_next, int is_menu)\r
dfa4c846 486{\r
9ecdd73a 487 /* alt, 16bpp, 8bpp */\r
388947f3 488 if (PicoOpt & POPT_ALT_RENDERER) {\r
489 PicoOpt &= ~POPT_ALT_RENDERER;\r
9ecdd73a 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
388947f3 498 currentConfig.EmuOpt &= ~EOPT_16BPP;\r
9ecdd73a 499 if (!is_next)\r
500 PicoOpt |= POPT_ALT_RENDERER;\r
501 }\r
502\r
503 if (is_menu)\r
504 return;\r
e5589947 505\r
388947f3 506 vidResetMode();\r
dfa4c846 507\r
388947f3 508 if (PicoOpt & POPT_ALT_RENDERER) {\r
b5bfb864 509 emu_status_msg(" 8bit fast renderer");\r
388947f3 510 } else if (currentConfig.EmuOpt & EOPT_16BPP) {\r
b5bfb864 511 emu_status_msg("16bit accurate renderer");\r
388947f3 512 } else {\r
b5bfb864 513 emu_status_msg(" 8bit accurate renderer");\r
388947f3 514 }\r
1078e544 515}\r
516\r
93c18cb4 517#if 0 // TODO\r
82abf46f 518static void RunEventsPico(unsigned int events)\r
e1cd546f 519{\r
6589c840 520 int ret, px, py, lim_x;\r
3f2aaff2 521 static int pdown_frames = 0;\r
522\r
3f2aaff2 523 // for F200\r
524 ret = gp2x_touchpad_read(&px, &py);\r
6589c840 525 if (ret >= 0)\r
526 {\r
527 if (ret > 35000)\r
528 {\r
3f2aaff2 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
6589c840 542 pdown_frames = 0;\r
3f2aaff2 543\r
544 //if (ret == 0)\r
545 // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
546 }\r
e1cd546f 547}\r
93c18cb4 548#endif\r
e1cd546f 549\r
388947f3 550void plat_update_volume(int has_changed, int is_up)\r
0480e6c9 551{\r
552 static int prev_frame = 0, wait_frames = 0;\r
553 int vol = currentConfig.volume;\r
388947f3 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
0480e6c9 560\r
561 if (has_changed)\r
562 {\r
388947f3 563 if (need_low_volume && vol < 5 && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
0480e6c9 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
b3972d82 572 sndout_oss_setvol(vol, vol);\r
0480e6c9 573 currentConfig.volume = vol;\r
574 }\r
b5bfb864 575 emu_status_msg("VOL: %02i", vol);\r
0480e6c9 576 prev_frame = Pico.m.frame_count;\r
577 }\r
578\r
22b2271a 579 if (!need_low_volume)\r
388947f3 580 return;\r
581\r
582 /* set the right mixer func */\r
0480e6c9 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
3ef975c9 591static void updateSound(int len)\r
720ee7f6 592{\r
dd59a74b 593 len <<= 1;\r
b5bfb864 594 if (PicoOpt & POPT_EN_STEREO)\r
595 len <<= 1;\r
720ee7f6 596\r
dd59a74b 597 if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))\r
598 return;\r
599\r
d9a18943 600 /* avoid writing audio when lagging behind to prevent audio lag */\r
601 if (PicoSkipFrame != 2)\r
dd59a74b 602 sndout_oss_write(PsndOut, len);\r
720ee7f6 603}\r
604\r
93c18cb4 605void pemu_sound_start(void)\r
725d7f6c 606{\r
607 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
725d7f6c 608\r
609 PsndOut = NULL;\r
610\r
611 // prepare sound stuff\r
9615b3df 612 if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
725d7f6c 613 {\r
9615b3df 614 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
615 int target_fps = Pico.m.pal ? 50 : 60;\r
dd59a74b 616 int frame_samples, snd_excess_add;\r
9615b3df 617 gp2x_soc_t soc;\r
618\r
dd59a74b 619 soc = soc_detect();\r
620\r
9615b3df 621 #define SOUND_RERATE_FLAGS (POPT_EN_FM|POPT_EN_PSG|POPT_EN_STEREO|POPT_EXT_FM|POPT_EN_MCD_CDDA)\r
622 if (PsndRate != PsndRate_old || Pico.m.pal != pal_old || ((PicoOpt & POPT_EXT_FM) && crashed_940) ||\r
623 ((PicoOpt ^ PicoOpt_old) & SOUND_RERATE_FLAGS)) {\r
725d7f6c 624 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
625 }\r
dd59a74b 626\r
725d7f6c 627 memset(sndBuffer, 0, sizeof(sndBuffer));\r
628 PsndOut = sndBuffer;\r
dd59a74b 629 PicoWriteSound = updateSound;\r
725d7f6c 630 PsndRate_old = PsndRate;\r
631 PicoOpt_old = PicoOpt;\r
632 pal_old = Pico.m.pal;\r
dd59a74b 633 plat_update_volume(0, 0);\r
634\r
635 frame_samples = PsndLen;\r
636 snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;\r
637 if (snd_excess_add != 0)\r
638 frame_samples++;\r
639 if (soc == SOCID_POLLUX)\r
640 frame_samples *= 2; /* force larger buffer */\r
641\r
642 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
643 PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);\r
644 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
645 sndout_oss_start(PsndRate, frame_samples, is_stereo);\r
9615b3df 646\r
647 /* Wiz's sound hardware needs more prebuffer */\r
9615b3df 648 if (soc == SOCID_POLLUX)\r
dd59a74b 649 updateSound(frame_samples);\r
725d7f6c 650 }\r
651}\r
652\r
93c18cb4 653void pemu_sound_stop(void)\r
725d7f6c 654{\r
655}\r
656\r
93c18cb4 657void pemu_sound_wait(void)\r
725d7f6c 658{\r
659 // don't need to do anything, writes will block by themselves\r
660}\r
661\r
720ee7f6 662\r
93c18cb4 663void pemu_forced_frame(int opts)\r
4ffd2858 664{\r
665 int po_old = PicoOpt;\r
13059a60 666 int eo_old = currentConfig.EmuOpt;\r
667\r
93c18cb4 668 PicoOpt &= ~POPT_ALT_RENDERER;\r
669 PicoOpt |= opts|POPT_ACC_SPRITES;\r
670 currentConfig.EmuOpt |= EOPT_16BPP;\r
4ffd2858 671\r
13059a60 672 PicoDrawSetColorFormat(1);\r
dd5fd477 673 PicoScanBegin = EmuScanBegin16;\r
b7911801 674 PicoScanEnd = NULL;\r
13059a60 675 Pico.m.dirtyPal = 1;\r
676 PicoFrameDrawOnly();\r
4ffd2858 677\r
e1aa0fa7 678 PicoOpt = po_old;\r
13059a60 679 currentConfig.EmuOpt = eo_old;\r
4ffd2858 680}\r
681\r
93c18cb4 682void plat_debug_cat(char *str)\r
7443ecd9 683{\r
7443ecd9 684}\r
685\r
b5bfb864 686void pemu_video_mode_change(int is_32col, int is_240_lines)\r
720ee7f6 687{\r
b5bfb864 688 int scalex = 320;\r
689 osd_fps_x = OSD_FPS_X;\r
690 if (is_32col && (PicoOpt & POPT_DIS_32C_BORDER)) {\r
691 scalex = 256;\r
692 osd_fps_x = OSD_FPS_X - 64;\r
720ee7f6 693 }\r
b5bfb864 694 /* want vertical scaling and game is not in 240 line mode */\r
695 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !is_240_lines)\r
696 gp2x_video_RGB_setscaling(8, scalex, 224);\r
697 else\r
698 gp2x_video_RGB_setscaling(0, scalex, 240);\r
699\r
700 // clear whole screen in all buffers\r
701 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r
702 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
703 else\r
704 gp2x_memset_all_buffers(0, 0, 320*240*2);\r
720ee7f6 705}\r
706\r
450dab6f 707#if 0\r
708static void tga_dump(void)\r
709{\r
710#define BYTE unsigned char\r
711#define WORD unsigned short\r
712 struct\r
713 {\r
714 BYTE IDLength; /* 00h Size of Image ID field */\r
715 BYTE ColorMapType; /* 01h Color map type */\r
716 BYTE ImageType; /* 02h Image type code */\r
717 WORD CMapStart; /* 03h Color map origin */\r
718 WORD CMapLength; /* 05h Color map length */\r
719 BYTE CMapDepth; /* 07h Depth of color map entries */\r
720 WORD XOffset; /* 08h X origin of image */\r
721 WORD YOffset; /* 0Ah Y origin of image */\r
722 WORD Width; /* 0Ch Width of image */\r
723 WORD Height; /* 0Eh Height of image */\r
724 BYTE PixelDepth; /* 10h Image pixel size */\r
725 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
726 } __attribute__((packed)) TGAHEAD;\r
727 static unsigned short oldscr[320*240];\r
728 FILE *f; char name[128]; int i;\r
729\r
730 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
731 TGAHEAD.ImageType = 2;\r
732 TGAHEAD.Width = 320;\r
733 TGAHEAD.Height = 240;\r
734 TGAHEAD.PixelDepth = 16;\r
735 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
736\r
737#define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
738\r
739 for (i = 0; i < 320*240; i++)\r
e31266dd 740 if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r
450dab6f 741 if (i < 320*240)\r
742 {\r
743 for (i = 0; i < 320*240; i++)\r
e31266dd 744 oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r
450dab6f 745 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
746 f = fopen(name, "wb");\r
747 if (!f) { printf("!f\n"); exit(1); }\r
748 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
749 fwrite(oldscr, 1, 320*240*2, f);\r
750 fclose(f);\r
751 }\r
752}\r
753#endif\r
754\r
b5bfb864 755void pemu_loop_prep(void)\r
720ee7f6 756{\r
b7911801 757 static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0;\r
758 static int gp2x_old_gamma = 100;\r
f71361b5 759 gp2x_soc_t soc;\r
760\r
761 soc = soc_detect();\r
720ee7f6 762\r
fa5e045b 763 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r
764 if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r
fa8d1331 765 set_ram_timings();\r
fa5e045b 766 else\r
767 unset_ram_timings();\r
768 }\r
769\r
770 if (gp2x_old_clock < 0)\r
771 gp2x_old_clock = default_cpu_clock;\r
720ee7f6 772 if (gp2x_old_clock != currentConfig.CPUclock) {\r
773 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
fa5e045b 774 gp2x_set_cpuclk(currentConfig.CPUclock);\r
720ee7f6 775 gp2x_old_clock = currentConfig.CPUclock;\r
776 printf(" done\n");\r
777 }\r
778\r
f71361b5 779 if (gp2x_old_gamma != currentConfig.gamma || ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_A_SN_GAMMA)) {\r
780 set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt & EOPT_A_SN_GAMMA));\r
720ee7f6 781 gp2x_old_gamma = currentConfig.gamma;\r
55a951dd 782 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 783 }\r
784\r
f71361b5 785 if (((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_VSYNC) || Pico.m.pal != pal_old) {\r
786 if ((currentConfig.EmuOpt & EOPT_VSYNC) || soc == SOCID_POLLUX)\r
fa5e045b 787 set_lcd_custom_rate(Pico.m.pal);\r
f71361b5 788 else if (EmuOpt_old & EOPT_VSYNC)\r
fa5e045b 789 unset_lcd_custom_rate();\r
59d0f042 790 }\r
791\r
fa5e045b 792 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)\r
793 gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);\r
794\r
59d0f042 795 EmuOpt_old = currentConfig.EmuOpt;\r
b7911801 796 pal_old = Pico.m.pal;\r
720ee7f6 797\r
798 // make sure we are in correct mode\r
799 vidResetMode();\r
f013066e 800 scaling_update();\r
720ee7f6 801\r
93c18cb4 802 pemu_sound_start();\r
b5bfb864 803}\r
720ee7f6 804\r
b5bfb864 805void pemu_loop_end(void)\r
806{\r
7bc9a680 807 int po_old = PicoOpt;\r
808 int eo_old = currentConfig.EmuOpt;\r
809\r
810 /* do one more frame for menu bg */\r
811 PicoOpt &= ~POPT_ALT_RENDERER;\r
812 PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;\r
813 currentConfig.EmuOpt |= EOPT_16BPP;\r
814\r
815 PicoScanBegin = EmuScanBegin16;\r
816 PicoScanEnd = NULL;\r
817 PicoDrawSetColorFormat(1);\r
818 Pico.m.dirtyPal = 1;\r
819 PicoFrame();\r
820\r
821 PicoOpt = po_old;\r
822 currentConfig.EmuOpt = eo_old;\r
720ee7f6 823}\r
824\r
049a6b3e 825const char *plat_get_credits(void)\r
826{\r
827 return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r
828 "Credits:\n"\r
829 "fDave: Cyclone 68000 core,\n"\r
830 " base code of PicoDrive\n"\r
831 "Reesy & FluBBa: DrZ80 core\n"\r
832 "MAME devs: YM2612 and SN76496 cores\n"\r
833 "rlyeh and others: minimal SDK\n"\r
d572cbad 834 "Squidge: mmuhack\n"\r
049a6b3e 835 "Dzz: ARM940 sample\n"\r
836 "GnoStiC / Puck2099: USB joy code\n"\r
837 "craigix: GP2X hardware\n"\r
838 "ketchupgun: skin design\n"\r
839 "\n"\r
840 "special thanks (for docs, ideas):\n"\r
841 " Charles MacDonald, Haze,\n"\r
842 " Stephane Dallongeville,\n"\r
843 " Lordus, Exophase, Rokas,\n"\r
844 " Nemesis, Tasco Deluxe";\r
845}\r
PicoDrive's frontend in a lib