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anti-tear modes for Wiz
[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
8#include <sys/time.h>\r
720ee7f6 9#include <stdarg.h>\r
10\r
fa5e045b 11#include "plat_gp2x.h"\r
d572cbad 12#include "soc.h"\r
046c4540 13#include "../common/plat.h"\r
82abf46f 14#include "../common/menu.h"\r
c7a4ff64 15#include "../common/arm_utils.h"\r
16#include "../common/fonts.h"\r
f013066e 17#include "../common/emu.h"\r
0ae25549 18#include "../common/config.h"\r
b3972d82 19#include "../linux/sndout_oss.h"\r
049a6b3e 20#include "version.h"\r
720ee7f6 21\r
f11bad75 22#include <pico/pico_int.h>\r
23#include <pico/patch.h>\r
24#include <pico/sound/mix.h>\r
70d2ecc5 25#include <zlib/zlib.h>\r
720ee7f6 26\r
4327ec37 27//#define PFRAMES\r
720ee7f6 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
720ee7f6 35\r
720ee7f6 36extern int crashed_940;\r
37\r
6245d5a0 38static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
720ee7f6 39static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
388947f3 40static char noticeMsg[40];\r
93c18cb4 41static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];\r
42unsigned char *PicoDraw2FB = PicoDraw2FB_;\r
b7911801 43static int osd_fps_x;\r
720ee7f6 44\r
b7911801 45extern void *gp2x_screens[4];\r
720ee7f6 46\r
388947f3 47void plat_status_msg(const char *format, ...)\r
720ee7f6 48{\r
388947f3 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
f013066e 55 gettimeofday(&noticeMsgTime, 0);\r
720ee7f6 56}\r
57\r
93c18cb4 58int plat_get_root_dir(char *dst, int len)\r
25fced50 59{\r
f013066e 60 extern char **g_argv;\r
61 int j;\r
25fced50 62\r
f013066e 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
36f6fd5a 69\r
70 return j + 1;\r
25fced50 71}\r
72\r
720ee7f6 73\r
f013066e 74static void scaling_update(void)\r
79cad122 75{\r
fa8d1331 76 PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);\r
79cad122 77 switch (currentConfig.scaling) {\r
fa8d1331 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
79cad122 86 }\r
87}\r
88\r
89\r
93c18cb4 90void pemu_prep_defconfig(void)\r
0ae25549 91{\r
fa8d1331 92 gp2x_soc_t soc;\r
93\r
0ae25549 94 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
b7911801 95 defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;\r
fa8d1331 96 defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r
0ae25549 97 defaultConfig.s_PsndRate = 44100;\r
98 defaultConfig.s_PicoRegion = 0; // auto\r
99 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
88bfc63d 100 defaultConfig.s_PicoCDBuffers = 0;\r
0ae25549 101 defaultConfig.Frameskip = -1; // auto\r
fa8d1331 102 defaultConfig.CPUclock = default_cpu_clock;\r
0ae25549 103 defaultConfig.volume = 50;\r
0ae25549 104 defaultConfig.gamma = 100;\r
105 defaultConfig.scaling = 0;\r
6589c840 106 defaultConfig.turbo_rate = 15;\r
fa8d1331 107\r
108 soc = soc_detect();\r
109 if (soc == SOCID_MMSP2)\r
110 defaultConfig.s_PicoOpt |= POPT_EXT_FM;\r
b7911801 111 else if (soc == SOCID_POLLUX)\r
112 defaultConfig.EmuOpt |= EOPT_WIZ_TEAR_FIX;\r
0ae25549 113}\r
114\r
b7911801 115static void (*osd_text)(int x, int y, const char *text);\r
116\r
117static void osd_text8(int x, int y, const char *text)\r
720ee7f6 118{\r
119 int len = strlen(text)*8;\r
e31266dd 120 int *p, i, h, offs;\r
720ee7f6 121\r
b7911801 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
132static 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
147static 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
720ee7f6 155 }\r
b7911801 156\r
157 emu_text_out8_rot(x, y, text);\r
158}\r
159\r
160static 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
720ee7f6 171}\r
172\r
2b395ee0 173static void draw_cd_leds(void)\r
daf91588 174{\r
b7911801 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
daf91588 187\r
388947f3 188 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
b7911801 189 #define p(x) px[(x) >> 2]\r
daf91588 190 // 8-bit modes\r
b7911801 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
daf91588 197 } else {\r
b7911801 198 #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r
daf91588 199 // 16-bit modes\r
b7911801 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
daf91588 206 }\r
207}\r
208\r
2b395ee0 209static void draw_pico_ptr(void)\r
210{\r
e31266dd 211 unsigned short *p = (unsigned short *)g_screen_ptr;\r
b7911801 212 int x, y, pitch = 320;\r
2b395ee0 213\r
214 // only if pen enabled and for 16bit modes\r
b7911801 215 if (pico_inp_mode == 0 || (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r
216 return;\r
2b395ee0 217\r
b7911801 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
2b395ee0 222\r
b7911801 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
2b395ee0 234}\r
235\r
dd5fd477 236static int EmuScanBegin16(unsigned int num)\r
720ee7f6 237{\r
238 if (!(Pico.video.reg[1]&8)) num += 8;\r
e31266dd 239 DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r
720ee7f6 240\r
241 return 0;\r
242}\r
243\r
dd5fd477 244static int EmuScanBegin8(unsigned int num)\r
720ee7f6 245{\r
246 if (!(Pico.video.reg[1]&8)) num += 8;\r
e31266dd 247 DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r
720ee7f6 248\r
249 return 0;\r
250}\r
251\r
b7911801 252/* rot thing for Wiz */\r
253static unsigned char __attribute__((aligned(4))) rot_buff[320*4*2];\r
254\r
255static 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
261static 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
272static 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
278static 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
e5d315a5 289int localPal[0x100];\r
b7911801 290static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border) = NULL;\r
720ee7f6 291\r
0805b5b4 292static void blit(const char *fps, const char *notice)\r
720ee7f6 293{\r
daf91588 294 int emu_opt = currentConfig.EmuOpt;\r
295\r
388947f3 296 if (PicoOpt & POPT_ALT_RENDERER)\r
b3818d1e 297 {\r
720ee7f6 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
b3818d1e 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
b7911801 309 vidcpyM2(g_screen_ptr, PicoDraw2FB+328*8,\r
310 !(Pico.video.reg[12] & 1), !(PicoOpt & POPT_DIS_32C_BORDER));\r
b3818d1e 311 }\r
388947f3 312 else if (!(emu_opt & EOPT_16BPP))\r
b3818d1e 313 {\r
720ee7f6 314 // 8bit accurate renderer\r
dd5fd477 315 if (Pico.m.dirtyPal)\r
316 {\r
61f66fe0 317 int pallen = 0xc0;\r
720ee7f6 318 Pico.m.dirtyPal = 0;\r
b13a934c 319 if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
320 {\r
720ee7f6 321 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
322 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
323 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
67dfdf5f 324 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
b13a934c 325 pallen = 0x100;\r
326 }\r
b13a934c 327 else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
720ee7f6 328 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
329 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
330 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
b13a934c 331 }\r
332 else {\r
720ee7f6 333 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
61f66fe0 334 memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r
720ee7f6 335 }\r
b13a934c 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
720ee7f6 343 }\r
344 }\r
345\r
79cad122 346 if (notice || (emu_opt & 2)) {\r
347 int h = 232;\r
fa8d1331 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
79cad122 352 if (emu_opt & 2)\r
353 osd_text(osd_fps_x, h, fps);\r
354 }\r
dd5fd477 355 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
2b395ee0 356 draw_cd_leds();\r
357 if (PicoAHW & PAHW_PICO)\r
358 draw_pico_ptr();\r
720ee7f6 359\r
720ee7f6 360 gp2x_video_flip();\r
720ee7f6 361}\r
362\r
720ee7f6 363// clears whole screen or just the notice area (in all buffers)\r
364static void clearArea(int full)\r
365{\r
b7911801 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
daf91588 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
720ee7f6 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
720ee7f6 394 }\r
395}\r
396\r
388947f3 397void 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
407void 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
720ee7f6 412\r
413static void vidResetMode(void)\r
414{\r
b7911801 415 PicoScanEnd = NULL;\r
416\r
388947f3 417 if (PicoOpt & POPT_ALT_RENDERER) {\r
b7911801 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
720ee7f6 429 PicoDrawSetColorFormat(1);\r
b7911801 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
daf91588 442 PicoDrawSetColorFormat(2);\r
b7911801 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
daf91588 453 }\r
b7911801 454\r
388947f3 455 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
daf91588 456 // setup pal for 8-bit modes\r
457 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
458 localPal[0xd0] = 0x00c00000;\r
720ee7f6 459 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
460 localPal[0xf0] = 0x00ffffff;\r
720ee7f6 461 gp2x_video_setpalette(localPal, 0x100);\r
462 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
463 gp2x_video_flip();\r
720ee7f6 464 }\r
465 Pico.m.dirtyPal = 1;\r
b7911801 466\r
720ee7f6 467 // reset scaling\r
fa8d1331 468 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r
79cad122 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
720ee7f6 471}\r
472\r
9ecdd73a 473void plat_video_toggle_renderer(int is_next, int is_menu)\r
dfa4c846 474{\r
9ecdd73a 475 /* alt, 16bpp, 8bpp */\r
388947f3 476 if (PicoOpt & POPT_ALT_RENDERER) {\r
477 PicoOpt &= ~POPT_ALT_RENDERER;\r
9ecdd73a 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
388947f3 486 currentConfig.EmuOpt &= ~EOPT_16BPP;\r
9ecdd73a 487 if (!is_next)\r
488 PicoOpt |= POPT_ALT_RENDERER;\r
489 }\r
490\r
491 if (is_menu)\r
492 return;\r
e5589947 493\r
388947f3 494 vidResetMode();\r
dfa4c846 495\r
388947f3 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
1078e544 503}\r
504\r
93c18cb4 505#if 0 // TODO\r
82abf46f 506static void RunEventsPico(unsigned int events)\r
e1cd546f 507{\r
6589c840 508 int ret, px, py, lim_x;\r
3f2aaff2 509 static int pdown_frames = 0;\r
510\r
3f2aaff2 511 // for F200\r
512 ret = gp2x_touchpad_read(&px, &py);\r
6589c840 513 if (ret >= 0)\r
514 {\r
515 if (ret > 35000)\r
516 {\r
3f2aaff2 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
6589c840 530 pdown_frames = 0;\r
3f2aaff2 531\r
532 //if (ret == 0)\r
533 // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
534 }\r
e1cd546f 535}\r
93c18cb4 536#endif\r
e1cd546f 537\r
388947f3 538void plat_update_volume(int has_changed, int is_up)\r
0480e6c9 539{\r
540 static int prev_frame = 0, wait_frames = 0;\r
541 int vol = currentConfig.volume;\r
388947f3 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
0480e6c9 548\r
549 if (has_changed)\r
550 {\r
388947f3 551 if (need_low_volume && vol < 5 && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
0480e6c9 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
b3972d82 560 sndout_oss_setvol(vol, vol);\r
0480e6c9 561 currentConfig.volume = vol;\r
562 }\r
388947f3 563 plat_status_msg("VOL: %02i", vol);\r
0480e6c9 564 prev_frame = Pico.m.frame_count;\r
565 }\r
566\r
388947f3 567 if (need_low_volume)\r
568 return;\r
569\r
570 /* set the right mixer func */\r
0480e6c9 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
720ee7f6 579\r
3ef975c9 580static void updateSound(int len)\r
720ee7f6 581{\r
3ef975c9 582 if (PicoOpt&8) len<<=1;\r
720ee7f6 583\r
d9a18943 584 /* avoid writing audio when lagging behind to prevent audio lag */\r
585 if (PicoSkipFrame != 2)\r
b3972d82 586 sndout_oss_write(PsndOut, len<<1);\r
720ee7f6 587}\r
588\r
93c18cb4 589void pemu_sound_start(void)\r
725d7f6c 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
b3972d82 607 sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r
608 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
725d7f6c 609 PicoWriteSound = updateSound;\r
388947f3 610 plat_update_volume(0, 0);\r
725d7f6c 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
93c18cb4 619void pemu_sound_stop(void)\r
725d7f6c 620{\r
621}\r
622\r
93c18cb4 623void pemu_sound_wait(void)\r
725d7f6c 624{\r
625 // don't need to do anything, writes will block by themselves\r
626}\r
627\r
720ee7f6 628\r
d9a18943 629static void SkipFrame(int do_audio)\r
720ee7f6 630{\r
d9a18943 631 PicoSkipFrame=do_audio ? 1 : 2;\r
720ee7f6 632 PicoFrame();\r
633 PicoSkipFrame=0;\r
720ee7f6 634}\r
635\r
636\r
93c18cb4 637void pemu_forced_frame(int opts)\r
4ffd2858 638{\r
639 int po_old = PicoOpt;\r
13059a60 640 int eo_old = currentConfig.EmuOpt;\r
641\r
93c18cb4 642 PicoOpt &= ~POPT_ALT_RENDERER;\r
643 PicoOpt |= opts|POPT_ACC_SPRITES;\r
644 currentConfig.EmuOpt |= EOPT_16BPP;\r
4ffd2858 645\r
13059a60 646 PicoDrawSetColorFormat(1);\r
dd5fd477 647 PicoScanBegin = EmuScanBegin16;\r
b7911801 648 PicoScanEnd = NULL;\r
13059a60 649 Pico.m.dirtyPal = 1;\r
650 PicoFrameDrawOnly();\r
4ffd2858 651\r
e1aa0fa7 652 PicoOpt = po_old;\r
13059a60 653 currentConfig.EmuOpt = eo_old;\r
4ffd2858 654}\r
655\r
93c18cb4 656void plat_debug_cat(char *str)\r
7443ecd9 657{\r
7443ecd9 658}\r
659\r
720ee7f6 660static 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
450dab6f 666 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 667\r
450dab6f 668 while (tval.tv_usec < lim_time)\r
720ee7f6 669 {\r
670 spend_cycles(1024);\r
671 gettimeofday(&tval, 0);\r
450dab6f 672 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 673 }\r
674}\r
675\r
676\r
450dab6f 677#if 0\r
678static 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
e31266dd 710 if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r
450dab6f 711 if (i < 320*240)\r
712 {\r
713 for (i = 0; i < 320*240; i++)\r
e31266dd 714 oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r
450dab6f 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
93c18cb4 726void pemu_loop(void)\r
720ee7f6 727{\r
b7911801 728 static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0;\r
729 static int gp2x_old_gamma = 100;\r
720ee7f6 730 char fpsbuff[24]; // fps count c string\r
731 struct timeval tval; // timing\r
450dab6f 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
720ee7f6 735 char *notice = 0;\r
736\r
737 printf("entered emu_Loop()\n");\r
738\r
fa5e045b 739 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r
740 if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r
fa8d1331 741 set_ram_timings();\r
fa5e045b 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
720ee7f6 748 if (gp2x_old_clock != currentConfig.CPUclock) {\r
749 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
fa5e045b 750 gp2x_set_cpuclk(currentConfig.CPUclock);\r
720ee7f6 751 gp2x_old_clock = currentConfig.CPUclock;\r
752 printf(" done\n");\r
753 }\r
754\r
55a951dd 755 if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
fa5e045b 756 set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 757 gp2x_old_gamma = currentConfig.gamma;\r
55a951dd 758 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 759 }\r
760\r
b7911801 761 if (((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_PSYNC) || Pico.m.pal != pal_old) {\r
fa5e045b 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
59d0f042 766 }\r
767\r
fa5e045b 768 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)\r
769 gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);\r
770\r
59d0f042 771 EmuOpt_old = currentConfig.EmuOpt;\r
b7911801 772 pal_old = Pico.m.pal;\r
720ee7f6 773 fpsbuff[0] = 0;\r
774\r
775 // make sure we are in correct mode\r
776 vidResetMode();\r
f013066e 777 scaling_update();\r
e5d315a5 778 Pico.m.dirtyPal = 1;\r
720ee7f6 779 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
720ee7f6 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
93c18cb4 786 pemu_sound_start();\r
720ee7f6 787\r
5f9922e6 788 // prepare CD buffer\r
dd5fd477 789 if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r
5f9922e6 790\r
59d0f042 791 // calc vsync offset to sync timing code with vsync\r
b7911801 792 if (currentConfig.EmuOpt & EOPT_PSYNC) {\r
59d0f042 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
450dab6f 804 frames_done = frames_shown = thissec =\r
805 pframes_done = pframes_shown = pthissec = 0;\r
806\r
807 // loop\r
720ee7f6 808 while (engineState == PGS_Running)\r
809 {\r
810 int modes;\r
811\r
812 gettimeofday(&tval, 0);\r
0480e6c9 813 if (reset_timing) {\r
720ee7f6 814 reset_timing = 0;\r
450dab6f 815 pthissec = tval.tv_sec;\r
816 pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r
720ee7f6 817 }\r
818\r
819 // show notice message?\r
0480e6c9 820 if (noticeMsgTime.tv_sec)\r
821 {\r
720ee7f6 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
0480e6c9 836 if (modes != oldmodes)\r
837 {\r
720ee7f6 838 int scalex = 320;\r
839 osd_fps_x = OSD_FPS_X;\r
b7911801 840 if (!(modes & 4) && (PicoOpt & POPT_DIS_32C_BORDER)) {\r
841 scalex = 256;\r
842 osd_fps_x = OSD_FPS_X - 64;\r
720ee7f6 843 }\r
fa8d1331 844 /* want vertical scaling and game is not in 240 line mode */\r
845 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(modes&8))\r
79cad122 846 gp2x_video_RGB_setscaling(8, scalex, 224);\r
847 else gp2x_video_RGB_setscaling(0, scalex, 240);\r
720ee7f6 848 oldmodes = modes;\r
849 clearArea(1);\r
850 }\r
851\r
852 // second changed?\r
0480e6c9 853 if (thissec != tval.tv_sec)\r
854 {\r
720ee7f6 855#ifdef BENCHMARK\r
856 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
0480e6c9 857 if (++bench == 10) {\r
720ee7f6 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
55c7b464 866 if (currentConfig.EmuOpt & 2) {\r
720ee7f6 867 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
55c7b464 868 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
869 }\r
720ee7f6 870#endif\r
450dab6f 871 frames_shown = frames_done = 0;\r
720ee7f6 872 thissec = tval.tv_sec;\r
450dab6f 873 }\r
874#ifdef PFRAMES\r
875 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
876#endif\r
720ee7f6 877\r
450dab6f 878 if (pthissec != tval.tv_sec)\r
879 {\r
0480e6c9 880 if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
450dab6f 881 pframes_done = pframes_shown = 0;\r
720ee7f6 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
388947f3 885 if (PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r
886 emu_update_input();\r
450dab6f 887 SkipFrame(1); pframes_done++;\r
720ee7f6 888 }\r
889\r
450dab6f 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
720ee7f6 893 }\r
450dab6f 894 pthissec = tval.tv_sec;\r
720ee7f6 895 }\r
59d0f042 896\r
450dab6f 897 lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r
898 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
899 {\r
720ee7f6 900 for(i = 0; i < currentConfig.Frameskip; i++) {\r
388947f3 901 emu_update_input();\r
450dab6f 902 SkipFrame(1); pframes_done++; frames_done++;\r
0480e6c9 903 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
720ee7f6 904 gettimeofday(&tval, 0);\r
450dab6f 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
720ee7f6 908 }\r
909 }\r
910 lim_time += target_frametime;\r
911 }\r
450dab6f 912 }\r
913 else if (tval.tv_usec > lim_time) // auto frameskip\r
914 {\r
720ee7f6 915 // no time left for this frame - skip\r
f013066e 916 if (tval.tv_usec - lim_time >= 300000) {\r
d032c15a 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
388947f3 922 emu_update_input();\r
450dab6f 923 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
720ee7f6 924 continue;\r
925 }\r
926\r
388947f3 927 emu_update_input();\r
720ee7f6 928 PicoFrame();\r
929\r
930 // check time\r
931 gettimeofday(&tval, 0);\r
450dab6f 932 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 933\r
f013066e 934 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
d032c15a 935 reset_timing = 1;\r
936 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
720ee7f6 937 {\r
59d0f042 938 // sleep or vsync if we are still too fast\r
720ee7f6 939 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
0480e6c9 940 if (!reset_timing && tval.tv_usec < lim_time)\r
720ee7f6 941 {\r
942 // we are too fast\r
59d0f042 943 if (vsync_offset) {\r
944 if (lim_time - tval.tv_usec > target_frametime/2)\r
450dab6f 945 simpleWait(pthissec, lim_time - target_frametime/4);\r
59d0f042 946 gp2x_video_wait_vsync();\r
947 } else {\r
450dab6f 948 simpleWait(pthissec, lim_time);\r
59d0f042 949 }\r
720ee7f6 950 }\r
951 }\r
952\r
953 blit(fpsbuff, notice);\r
954\r
450dab6f 955 pframes_done++; pframes_shown++;\r
956 frames_done++; frames_shown++;\r
720ee7f6 957 }\r
958\r
ee0f881e 959 emu_set_fastforward(0);\r
5f9922e6 960\r
388947f3 961 if (PicoAHW & PAHW_MCD)\r
962 PicoCDBufferFree();\r
5f9922e6 963\r
720ee7f6 964 // save SRAM\r
ee0f881e 965 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
388947f3 966 plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
ee0f881e 967 emu_save_load_game(0, 1);\r
720ee7f6 968 SRam.changed = 0;\r
969 }\r
e5d315a5 970\r
b7911801 971 // do menu background to be sure it's right\r
972 pemu_forced_frame(POPT_EN_SOFTSCALE);\r
720ee7f6 973}\r
974\r
049a6b3e 975const 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
d572cbad 984 "Squidge: mmuhack\n"\r
049a6b3e 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
PicoDrive's frontend in a lib