3bb7bd19 |
1 | // (c) Copyright 2006-2008 notaz, All rights reserved.\r |
e55f0cbb |
2 | // Free for non-commercial use.\r |
3 | \r |
4 | // For commercial use, separate licencing terms must be obtained.\r |
5 | \r |
6 | #include <stdio.h>\r |
7 | #include <stdlib.h>\r |
8 | #include <sys/time.h>\r |
9 | #include <sys/stat.h>\r |
10 | #include <sys/types.h>\r |
11 | #include <linux/limits.h>\r |
12 | #include <ctype.h>\r |
13 | #include <unistd.h>\r |
14 | \r |
15 | #include <stdarg.h>\r |
16 | \r |
17 | #include "../gp2x/emu.h"\r |
e55f0cbb |
18 | #include "../gp2x/menu.h"\r |
19 | #include "../common/arm_utils.h"\r |
20 | #include "../common/fonts.h"\r |
21 | #include "../common/emu.h"\r |
22 | #include "../common/config.h"\r |
23 | #include "../common/common.h"\r |
e5ab6faf |
24 | #include "../linux/usbjoy.h"\r |
25 | #include "../linux/sndout_oss.h"\r |
3bb7bd19 |
26 | #include "asm_utils.h"\r |
e55f0cbb |
27 | \r |
efcba75f |
28 | #include <pico/pico_int.h>\r |
29 | #include <pico/patch.h>\r |
30 | #include <pico/sound/mix.h>\r |
e55f0cbb |
31 | #include <zlib/zlib.h>\r |
32 | \r |
33 | //#define PFRAMES\r |
3bb7bd19 |
34 | #define BENCHMARK\r |
35 | //#define USE_320_SCREEN 1\r |
e55f0cbb |
36 | \r |
37 | #ifdef BENCHMARK\r |
38 | #define OSD_FPS_X (800-200)\r |
39 | #else\r |
40 | #define OSD_FPS_X (800-120)\r |
41 | #endif\r |
42 | \r |
43 | \r |
44 | int engineState;\r |
45 | int select_exits = 0;\r |
46 | \r |
47 | char romFileName[PATH_MAX];\r |
48 | \r |
49 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r |
50 | static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r |
51 | static int osd_fps_x;\r |
e55f0cbb |
52 | unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r |
53 | int reset_timing = 0;\r |
54 | \r |
55 | #define PICO_PEN_ADJUST_X 4\r |
56 | #define PICO_PEN_ADJUST_Y 2\r |
57 | static int pico_pen_x = SCREEN_WIDTH/2, pico_pen_y = 240/2;\r |
58 | \r |
59 | static void emu_msg_cb(const char *msg);\r |
60 | static void emu_msg_tray_open(void);\r |
61 | \r |
62 | \r |
63 | void emu_noticeMsgUpdated(void)\r |
64 | {\r |
65 | gettimeofday(¬iceMsgTime, 0);\r |
66 | }\r |
67 | \r |
ca482e5d |
68 | int emu_getMainDir(char *dst, int len)\r |
e55f0cbb |
69 | {\r |
70 | extern char **g_argv;\r |
71 | int j;\r |
72 | \r |
73 | strncpy(dst, g_argv[0], len);\r |
74 | len -= 32; // reserve\r |
75 | if (len < 0) len = 0;\r |
76 | dst[len] = 0;\r |
77 | for (j = strlen(dst); j > 0; j--)\r |
78 | if (dst[j] == '/') { dst[j+1] = 0; break; }\r |
ca482e5d |
79 | \r |
80 | return j + 1;\r |
e55f0cbb |
81 | }\r |
82 | \r |
83 | void emu_Init(void)\r |
84 | {\r |
85 | // make temp buffer for alt renderer\r |
86 | PicoDraw2FB = malloc((8+320)*(8+240+8));\r |
87 | if (!PicoDraw2FB)\r |
88 | {\r |
89 | printf("PicoDraw2FB == 0\n");\r |
90 | }\r |
91 | \r |
92 | // make dirs for saves, cfgs, etc.\r |
93 | mkdir("mds", 0777);\r |
94 | mkdir("srm", 0777);\r |
95 | mkdir("brm", 0777);\r |
96 | mkdir("cfg", 0777);\r |
97 | \r |
98 | PicoInit();\r |
99 | PicoMessage = emu_msg_cb;\r |
100 | PicoMCDopenTray = emu_msg_tray_open;\r |
101 | PicoMCDcloseTray = menu_loop_tray;\r |
102 | }\r |
103 | \r |
104 | \r |
e55f0cbb |
105 | void emu_Deinit(void)\r |
106 | {\r |
107 | // save SRAM\r |
108 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
109 | emu_SaveLoadGame(0, 1);\r |
110 | SRam.changed = 0;\r |
111 | }\r |
112 | \r |
113 | if (!(currentConfig.EmuOpt & 0x20)) {\r |
114 | config_writelrom(PicoConfigFile);\r |
115 | #ifndef NO_SYNC\r |
116 | sync();\r |
117 | #endif\r |
118 | }\r |
119 | \r |
120 | free(PicoDraw2FB);\r |
121 | \r |
122 | PicoExit();\r |
123 | }\r |
124 | \r |
125 | void emu_prepareDefaultConfig(void)\r |
126 | {\r |
127 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
84100c0f |
128 | defaultConfig.EmuOpt = 0x8f | 0x00600; // | <- confirm_save, cd_leds\r |
3bb7bd19 |
129 | defaultConfig.s_PicoOpt = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC;\r |
130 | defaultConfig.s_PicoOpt |= POPT_ACC_SPRITES|POPT_EN_MCD_GFX;\r |
16b0afd0 |
131 | // defaultConfig.s_PicoOpt &= ~POPT_EN_SVP_DRC; // crashes :(\r |
84100c0f |
132 | defaultConfig.EmuOpt &= ~8; // no save gzip\r |
e55f0cbb |
133 | defaultConfig.s_PsndRate = 44100;\r |
84100c0f |
134 | defaultConfig.s_PicoRegion = 0;\r |
e55f0cbb |
135 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
136 | defaultConfig.s_PicoCDBuffers = 0;\r |
3bb7bd19 |
137 | defaultConfig.Frameskip = 0;\r |
e55f0cbb |
138 | defaultConfig.CPUclock = 200;\r |
139 | defaultConfig.volume = 50;\r |
140 | defaultConfig.scaling = 0;\r |
141 | defaultConfig.turbo_rate = 15;\r |
142 | }\r |
143 | \r |
e55f0cbb |
144 | static void textOut16(int x, int y, const char *text)\r |
145 | {\r |
146 | int i,l,len=strlen(text);\r |
147 | unsigned int *screen = (unsigned int *)((unsigned short *)SCREEN_BUFFER + (x&~1) + y*SCREEN_WIDTH);\r |
148 | \r |
149 | for (i = 0; i < len; i++)\r |
150 | {\r |
3bb7bd19 |
151 | for (l=0;l<16;)\r |
e55f0cbb |
152 | {\r |
153 | unsigned char fd = fontdata8x8[((text[i])*8)+l/2];\r |
3bb7bd19 |
154 | unsigned int *d = &screen[l*SCREEN_WIDTH/2];\r |
155 | if (fd&0x80) d[0]=0xffffffff;\r |
156 | if (fd&0x40) d[1]=0xffffffff;\r |
157 | if (fd&0x20) d[2]=0xffffffff;\r |
158 | if (fd&0x10) d[3]=0xffffffff;\r |
159 | if (fd&0x08) d[4]=0xffffffff;\r |
160 | if (fd&0x04) d[5]=0xffffffff;\r |
161 | if (fd&0x02) d[6]=0xffffffff;\r |
162 | if (fd&0x01) d[7]=0xffffffff;\r |
163 | l++; d = &screen[l*SCREEN_WIDTH/2];\r |
164 | if (fd&0x80) d[0]=0xffffffff;\r |
165 | if (fd&0x40) d[1]=0xffffffff;\r |
166 | if (fd&0x20) d[2]=0xffffffff;\r |
167 | if (fd&0x10) d[3]=0xffffffff;\r |
168 | if (fd&0x08) d[4]=0xffffffff;\r |
169 | if (fd&0x04) d[5]=0xffffffff;\r |
170 | if (fd&0x02) d[6]=0xffffffff;\r |
171 | if (fd&0x01) d[7]=0xffffffff;\r |
172 | l++;\r |
e55f0cbb |
173 | }\r |
174 | screen += 8;\r |
175 | }\r |
176 | }\r |
177 | \r |
178 | \r |
179 | void osd_text(int x, int y, const char *text)\r |
180 | {\r |
181 | int len = strlen(text)*8;\r |
182 | \r |
183 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
184 | int *p, i, h;\r |
185 | x &= ~3; // align x\r |
186 | len = (len+3) >> 2;\r |
187 | for (h = 0; h < 8; h++) {\r |
188 | p = (int *) ((unsigned char *) gp2x_screen+x+SCREEN_WIDTH*(y+h));\r |
189 | for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r |
190 | }\r |
191 | emu_textOut8(x, y, text);\r |
192 | } else {\r |
193 | int *p, i, h;\r |
194 | x &= ~1; // align x\r |
195 | len++;\r |
196 | for (h = 0; h < 16; h++) {\r |
197 | p = (int *) ((unsigned short *) gp2x_screen+x+SCREEN_WIDTH*(y+h));\r |
3bb7bd19 |
198 | for (i = len; i; i--, p++) *p = 0;//(*p>>2)&0x39e7;\r |
e55f0cbb |
199 | }\r |
200 | textOut16(x, y, text);\r |
201 | }\r |
202 | }\r |
203 | \r |
204 | static void draw_cd_leds(void)\r |
205 | {\r |
206 | // static\r |
207 | int old_reg;\r |
208 | // if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r |
209 | old_reg = Pico_mcd->s68k_regs[0];\r |
210 | \r |
211 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
212 | // 8-bit modes\r |
213 | unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
214 | unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
215 | *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*2+ 4) =\r |
216 | *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*3+ 4) =\r |
217 | *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*4+ 4) = col_g;\r |
218 | *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*2+12) =\r |
219 | *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*3+12) =\r |
220 | *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*4+12) = col_r;\r |
221 | } else {\r |
222 | // 16-bit modes\r |
223 | unsigned int *p = (unsigned int *)((short *)gp2x_screen + SCREEN_WIDTH*2+4);\r |
224 | unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r |
225 | unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r |
226 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += SCREEN_WIDTH/2 - 12/2;\r |
227 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += SCREEN_WIDTH/2 - 12/2;\r |
228 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r |
229 | }\r |
230 | }\r |
231 | \r |
232 | static void draw_pico_ptr(void)\r |
233 | {\r |
234 | unsigned short *p = (unsigned short *)gp2x_screen;\r |
235 | \r |
236 | // only if pen enabled and for 16bit modes\r |
237 | if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r |
238 | \r |
239 | if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r |
240 | p += 32;\r |
241 | \r |
242 | p += SCREEN_WIDTH * (pico_pen_y + PICO_PEN_ADJUST_Y);\r |
243 | p += pico_pen_x + PICO_PEN_ADJUST_X;\r |
244 | p[0] ^= 0xffff;\r |
245 | p[319] ^= 0xffff;\r |
246 | p[320] ^= 0xffff;\r |
247 | p[321] ^= 0xffff;\r |
248 | p[640] ^= 0xffff;\r |
249 | }\r |
250 | \r |
3bb7bd19 |
251 | #ifdef USE_320_SCREEN\r |
252 | \r |
253 | static int EmuScanBegin16(unsigned int num)\r |
254 | {\r |
255 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
256 | DrawLineDest = (unsigned short *)gp2x_screen + num*800 + 800/2 - 320/2;\r |
257 | //int w = (Pico.video.reg[12]&1) ? 320 : 256;\r |
258 | //DrawLineDest = (unsigned short *)gp2x_screen + num*w;\r |
259 | \r |
260 | return 0;\r |
261 | }\r |
262 | \r |
263 | #else // USE_320_SCREEN\r |
264 | \r |
e55f0cbb |
265 | static int EmuScanEnd16(unsigned int num)\r |
266 | {\r |
267 | unsigned char *ps=HighCol+8;\r |
268 | unsigned short *pd;\r |
269 | unsigned short *pal=HighPal;\r |
270 | int sh = Pico.video.reg[0xC]&8;\r |
271 | int len, mask = 0xff;\r |
272 | \r |
273 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
274 | pd=(unsigned short *)gp2x_screen + num*800*2 + 800/2 - 320*2/2;\r |
275 | \r |
276 | if (Pico.m.dirtyPal)\r |
277 | PicoDoHighPal555(sh);\r |
278 | \r |
279 | if (Pico.video.reg[12]&1) {\r |
280 | len = 320;\r |
281 | } else {\r |
3bb7bd19 |
282 | pd += 32*2;\r |
e55f0cbb |
283 | len = 256;\r |
284 | }\r |
285 | \r |
efcba75f |
286 | if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI))\r |
287 | mask=0x3f; // messed sprites, upper bits are priority stuff\r |
e55f0cbb |
288 | \r |
3bb7bd19 |
289 | #if 1\r |
290 | clut_line(pd, ps, pal, (mask<<16) | len);\r |
291 | #else\r |
e55f0cbb |
292 | for (; len > 0; len--)\r |
293 | {\r |
294 | unsigned int p = pal[*ps++ & mask];\r |
295 | p |= p << 16;\r |
296 | *(unsigned int *)pd = p;\r |
297 | *(unsigned int *)(&pd[800]) = p;\r |
298 | pd += 2;\r |
299 | }\r |
3bb7bd19 |
300 | #endif\r |
e55f0cbb |
301 | \r |
302 | return 0;\r |
303 | }\r |
304 | \r |
3bb7bd19 |
305 | #endif // USE_320_SCREEN\r |
306 | \r |
e55f0cbb |
307 | static int EmuScanBegin8(unsigned int num)\r |
308 | {\r |
309 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
310 | DrawLineDest = (unsigned char *) gp2x_screen + SCREEN_WIDTH * num;\r |
311 | \r |
312 | return 0;\r |
313 | }\r |
314 | \r |
315 | int localPal[0x100];\r |
316 | static void (*vidCpyM2)(void *dest, void *src) = NULL;\r |
317 | \r |
318 | static void blit(const char *fps, const char *notice)\r |
319 | {\r |
320 | int emu_opt = currentConfig.EmuOpt;\r |
321 | \r |
322 | if (PicoOpt&0x10)\r |
323 | {\r |
324 | // 8bit fast renderer\r |
325 | if (Pico.m.dirtyPal) {\r |
326 | Pico.m.dirtyPal = 0;\r |
327 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
328 | // feed new palette to our device\r |
329 | gp2x_video_setpalette(localPal, 0x40);\r |
330 | }\r |
331 | // a hack for VR\r |
332 | if (PicoRead16Hook == PicoSVPRead16)\r |
333 | memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r |
334 | // do actual copy\r |
335 | vidCpyM2((unsigned char *)gp2x_screen+SCREEN_WIDTH*8, PicoDraw2FB+328*8);\r |
336 | }\r |
337 | else if (!(emu_opt&0x80))\r |
338 | {\r |
339 | // 8bit accurate renderer\r |
340 | if (Pico.m.dirtyPal)\r |
341 | {\r |
f8af9634 |
342 | int pallen = 0xc0;\r |
e55f0cbb |
343 | Pico.m.dirtyPal = 0;\r |
344 | if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r |
345 | {\r |
346 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
347 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
348 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
349 | memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r |
350 | pallen = 0x100;\r |
351 | }\r |
e55f0cbb |
352 | else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r |
353 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
354 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
355 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
356 | pallen = 0xc0;\r |
357 | }\r |
358 | else {\r |
359 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
f8af9634 |
360 | memcpy32(localPal+0x80, localPal, 0x40);\r |
e55f0cbb |
361 | }\r |
362 | if (pallen > 0xc0) {\r |
363 | localPal[0xc0] = 0x0000c000;\r |
364 | localPal[0xd0] = 0x00c00000;\r |
365 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
366 | localPal[0xf0] = 0x00ffffff;\r |
367 | }\r |
368 | gp2x_video_setpalette(localPal, pallen);\r |
369 | }\r |
370 | }\r |
371 | \r |
372 | if (notice || (emu_opt & 2)) {\r |
373 | int h = SCREEN_HEIGHT-16;\r |
374 | if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 16;\r |
375 | if (notice) osd_text(4, h, notice);\r |
376 | if (emu_opt & 2)\r |
3bb7bd19 |
377 | osd_text(osd_fps_x, h, fps);\r |
e55f0cbb |
378 | }\r |
379 | if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r |
380 | draw_cd_leds();\r |
381 | if (PicoAHW & PAHW_PICO)\r |
382 | draw_pico_ptr();\r |
383 | {\r |
384 | //static int u=0;\r |
385 | //memset((char *)gp2x_screen+800*471*2, (u++)>>1, 800*9*2);\r |
386 | }\r |
387 | \r |
388 | //gp2x_video_wait_vsync();\r |
389 | gp2x_video_flip();\r |
390 | }\r |
391 | \r |
392 | \r |
393 | // clears whole screen or just the notice area (in all buffers)\r |
394 | static void clearArea(int full)\r |
395 | {\r |
396 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
397 | // 8-bit renderers\r |
398 | if (full) gp2x_memset_all_buffers(0, 0xe0, SCREEN_WIDTH*240);\r |
399 | else gp2x_memset_all_buffers(SCREEN_WIDTH*232, 0xe0, SCREEN_WIDTH*8);\r |
400 | } else {\r |
401 | // 16bit accurate renderer\r |
402 | if (full) gp2x_memset_all_buffers(0, 0, SCREEN_WIDTH*SCREEN_HEIGHT*2);\r |
403 | else gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, 0, SCREEN_WIDTH*16*2);\r |
404 | }\r |
405 | }\r |
406 | \r |
407 | \r |
408 | static void vidResetMode(void)\r |
409 | {\r |
410 | if (PicoOpt&0x10) {\r |
411 | gp2x_video_changemode(8);\r |
412 | } else if (currentConfig.EmuOpt&0x80) {\r |
413 | gp2x_video_changemode(16);\r |
3bb7bd19 |
414 | #ifdef USE_320_SCREEN\r |
415 | PicoDrawSetColorFormat(1);\r |
416 | PicoScanBegin = EmuScanBegin16;\r |
417 | #else\r |
e55f0cbb |
418 | PicoDrawSetColorFormat(-1);\r |
419 | PicoScanEnd = EmuScanEnd16;\r |
3bb7bd19 |
420 | #endif\r |
e55f0cbb |
421 | } else {\r |
422 | gp2x_video_changemode(8);\r |
423 | PicoDrawSetColorFormat(2);\r |
424 | PicoScanBegin = EmuScanBegin8;\r |
425 | }\r |
426 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
427 | // setup pal for 8-bit modes\r |
428 | localPal[0xc0] = 0x0000c000; // MCD LEDs\r |
429 | localPal[0xd0] = 0x00c00000;\r |
430 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
431 | localPal[0xf0] = 0x00ffffff;\r |
432 | gp2x_video_setpalette(localPal, 0x100);\r |
433 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
434 | gp2x_video_flip();\r |
435 | }\r |
436 | Pico.m.dirtyPal = 1;\r |
437 | // reset scaling\r |
438 | if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r |
439 | gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r |
440 | else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
441 | }\r |
442 | \r |
443 | \r |
444 | static void emu_msg_cb(const char *msg)\r |
445 | {\r |
446 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
447 | // 8-bit renderers\r |
448 | gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16), 0xe0, SCREEN_WIDTH*16);\r |
449 | osd_text(4, SCREEN_HEIGHT-16, msg);\r |
450 | gp2x_memcpy_all_buffers((char *)gp2x_screen+SCREEN_WIDTH*(SCREEN_HEIGHT-16),\r |
451 | SCREEN_WIDTH*(SCREEN_HEIGHT-16), SCREEN_WIDTH*16);\r |
452 | } else {\r |
453 | // 16bit accurate renderer\r |
454 | gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, 0, SCREEN_WIDTH*16*2);\r |
455 | osd_text(4, SCREEN_HEIGHT-16, msg);\r |
456 | gp2x_memcpy_all_buffers((char *)gp2x_screen+SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2,\r |
457 | SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, SCREEN_WIDTH*16*2);\r |
458 | }\r |
459 | gettimeofday(¬iceMsgTime, 0);\r |
460 | noticeMsgTime.tv_sec -= 2;\r |
461 | \r |
462 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r |
463 | reset_timing = 1;\r |
464 | }\r |
465 | \r |
466 | static void emu_state_cb(const char *str)\r |
467 | {\r |
468 | clearArea(0);\r |
469 | blit("", str);\r |
470 | }\r |
471 | \r |
472 | static void emu_msg_tray_open(void)\r |
473 | {\r |
474 | strcpy(noticeMsg, "CD tray opened");\r |
475 | gettimeofday(¬iceMsgTime, 0);\r |
476 | }\r |
477 | \r |
478 | static void RunEventsPico(unsigned int events, unsigned int gp2x_keys)\r |
479 | {\r |
480 | int ret, px, py, lim_x;\r |
481 | static int pdown_frames = 0;\r |
482 | \r |
483 | emu_RunEventsPico(events);\r |
484 | \r |
485 | if (pico_inp_mode == 0) return;\r |
486 | \r |
487 | // for F200\r |
488 | ret = gp2x_touchpad_read(&px, &py);\r |
489 | if (ret >= 0)\r |
490 | {\r |
491 | if (ret > 35000)\r |
492 | {\r |
493 | if (pdown_frames++ > 5)\r |
494 | PicoPad[0] |= 0x20;\r |
495 | \r |
496 | pico_pen_x = px;\r |
497 | pico_pen_y = py;\r |
498 | if (!(Pico.video.reg[12]&1)) {\r |
499 | pico_pen_x -= 32;\r |
500 | if (pico_pen_x < 0) pico_pen_x = 0;\r |
501 | if (pico_pen_x > 248) pico_pen_x = 248;\r |
502 | }\r |
503 | if (pico_pen_y > 224) pico_pen_y = 224;\r |
504 | }\r |
505 | else\r |
506 | pdown_frames = 0;\r |
507 | \r |
508 | //if (ret == 0)\r |
509 | // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
510 | }\r |
511 | \r |
512 | PicoPad[0] &= ~0x0f; // release UDLR\r |
513 | if (gp2x_keys & GP2X_UP) pico_pen_y--;\r |
514 | if (gp2x_keys & GP2X_DOWN) pico_pen_y++;\r |
515 | if (gp2x_keys & GP2X_LEFT) pico_pen_x--;\r |
516 | if (gp2x_keys & GP2X_RIGHT) pico_pen_x++;\r |
517 | \r |
518 | lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r |
519 | if (pico_pen_y < 8) pico_pen_y = 8;\r |
520 | if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r |
521 | if (pico_pen_x < 0) pico_pen_x = 0;\r |
522 | if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r |
523 | \r |
524 | PicoPicohw.pen_pos[0] = pico_pen_x;\r |
525 | if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r |
526 | PicoPicohw.pen_pos[0] += 0x3c;\r |
527 | PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r |
528 | }\r |
529 | \r |
530 | static void update_volume(int has_changed, int is_up)\r |
531 | {\r |
532 | static int prev_frame = 0, wait_frames = 0;\r |
533 | int vol = currentConfig.volume;\r |
534 | \r |
535 | if (has_changed)\r |
536 | {\r |
537 | if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r |
538 | wait_frames++;\r |
539 | else {\r |
540 | if (is_up) {\r |
541 | if (vol < 99) vol++;\r |
542 | } else {\r |
543 | if (vol > 0) vol--;\r |
544 | }\r |
545 | wait_frames = 0;\r |
e5ab6faf |
546 | sndout_oss_setvol(vol, vol);\r |
e55f0cbb |
547 | currentConfig.volume = vol;\r |
548 | }\r |
549 | sprintf(noticeMsg, "VOL: %02i", vol);\r |
550 | gettimeofday(¬iceMsgTime, 0);\r |
551 | prev_frame = Pico.m.frame_count;\r |
552 | }\r |
553 | \r |
554 | // set the right mixer func\r |
555 | if (!(PicoOpt&8)) return; // just use defaults for mono\r |
556 | if (vol >= 5)\r |
557 | PsndMix_32_to_16l = mix_32_to_16l_stereo;\r |
558 | else {\r |
559 | mix_32_to_16l_level = 5 - vol;\r |
560 | PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r |
561 | }\r |
562 | }\r |
563 | \r |
564 | static void RunEvents(unsigned int which)\r |
565 | {\r |
566 | if (which & 0x1800) // save or load (but not both)\r |
567 | {\r |
568 | int do_it = 1;\r |
569 | if ( emu_checkSaveFile(state_slot) &&\r |
570 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r |
571 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r |
572 | unsigned long keys;\r |
573 | blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r |
574 | while ( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r |
575 | usleep(50*1024);\r |
576 | if (keys & GP2X_X) do_it = 0;\r |
577 | while ( gp2x_joystick_read(1) & (GP2X_X|GP2X_Y) ) // wait for release\r |
578 | usleep(50*1024);\r |
579 | clearArea(0);\r |
580 | }\r |
581 | if (do_it) {\r |
582 | osd_text(4, SCREEN_HEIGHT-16, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r |
583 | PicoStateProgressCB = emu_state_cb;\r |
584 | gp2x_memcpy_all_buffers(gp2x_screen, 0, SCREEN_WIDTH*SCREEN_HEIGHT*2);\r |
585 | emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r |
586 | PicoStateProgressCB = NULL;\r |
587 | }\r |
588 | \r |
589 | reset_timing = 1;\r |
590 | }\r |
591 | if (which & 0x0400) // switch renderer\r |
592 | {\r |
593 | if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r |
594 | else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r |
595 | else currentConfig.EmuOpt &= ~0x80;\r |
596 | \r |
597 | vidResetMode();\r |
598 | \r |
599 | if (PicoOpt&0x10) {\r |
600 | strcpy(noticeMsg, " 8bit fast renderer");\r |
601 | } else if (currentConfig.EmuOpt&0x80) {\r |
602 | strcpy(noticeMsg, "16bit accurate renderer");\r |
603 | } else {\r |
604 | strcpy(noticeMsg, " 8bit accurate renderer");\r |
605 | }\r |
606 | \r |
607 | gettimeofday(¬iceMsgTime, 0);\r |
608 | }\r |
609 | if (which & 0x0300)\r |
610 | {\r |
611 | if(which&0x0200) {\r |
612 | state_slot -= 1;\r |
613 | if(state_slot < 0) state_slot = 9;\r |
614 | } else {\r |
615 | state_slot += 1;\r |
616 | if(state_slot > 9) state_slot = 0;\r |
617 | }\r |
618 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r |
619 | gettimeofday(¬iceMsgTime, 0);\r |
620 | }\r |
621 | if (which & 0x0080) {\r |
622 | engineState = PGS_Menu;\r |
623 | }\r |
624 | }\r |
625 | \r |
626 | static void updateKeys(void)\r |
627 | {\r |
628 | unsigned int keys, keys2, allActions[2] = { 0, 0 }, events;\r |
629 | static unsigned int prevEvents = 0;\r |
630 | int joy, i;\r |
631 | \r |
632 | keys = gp2x_joystick_read(0);\r |
633 | if (keys & GP2X_SELECT) {\r |
634 | engineState = select_exits ? PGS_Quit : PGS_Menu;\r |
635 | // wait until select is released, so menu would not resume game\r |
636 | while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r |
637 | }\r |
638 | \r |
639 | keys &= CONFIGURABLE_KEYS;\r |
640 | keys2 = keys;\r |
641 | \r |
642 | for (i = 0; i < 32; i++)\r |
643 | {\r |
644 | if (keys2 & (1 << i))\r |
645 | {\r |
646 | int pl, acts = currentConfig.KeyBinds[i];\r |
647 | if (!acts) continue;\r |
648 | pl = (acts >> 16) & 1;\r |
649 | if (kb_combo_keys & (1 << i))\r |
650 | {\r |
651 | int u = i+1, acts_c = acts & kb_combo_acts;\r |
652 | // let's try to find the other one\r |
653 | if (acts_c) {\r |
654 | for (; u < 32; u++)\r |
655 | if ( (keys2 & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) {\r |
656 | allActions[pl] |= acts_c & currentConfig.KeyBinds[u];\r |
657 | keys2 &= ~((1 << i) | (1 << u));\r |
658 | break;\r |
659 | }\r |
660 | }\r |
661 | // add non-combo actions if combo ones were not found\r |
662 | if (!acts_c || u == 32)\r |
663 | allActions[pl] |= acts & ~kb_combo_acts;\r |
664 | } else {\r |
665 | allActions[pl] |= acts;\r |
666 | }\r |
667 | }\r |
668 | }\r |
669 | \r |
670 | // add joy inputs\r |
671 | if (num_of_joys > 0)\r |
672 | {\r |
e5ab6faf |
673 | usbjoy_update();\r |
e55f0cbb |
674 | for (joy = 0; joy < num_of_joys; joy++) {\r |
e5ab6faf |
675 | int btns = usbjoy_check2(joy);\r |
e55f0cbb |
676 | for (i = 0; i < 32; i++) {\r |
677 | if (btns & (1 << i)) {\r |
678 | int acts = currentConfig.JoyBinds[joy][i];\r |
679 | int pl = (acts >> 16) & 1;\r |
680 | allActions[pl] |= acts;\r |
681 | }\r |
682 | }\r |
683 | }\r |
684 | }\r |
685 | \r |
686 | PicoPad[0] = allActions[0] & 0xfff;\r |
687 | PicoPad[1] = allActions[1] & 0xfff;\r |
688 | \r |
689 | if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r |
690 | if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r |
691 | \r |
692 | events = (allActions[0] | allActions[1]) >> 16;\r |
693 | \r |
694 | // volume is treated in special way and triggered every frame\r |
695 | if (events & 0x6000)\r |
696 | update_volume(1, events & 0x2000);\r |
697 | \r |
698 | if ((events ^ prevEvents) & 0x40) {\r |
699 | emu_changeFastForward(events & 0x40);\r |
700 | update_volume(0, 0);\r |
701 | reset_timing = 1;\r |
702 | }\r |
703 | \r |
704 | events &= ~prevEvents;\r |
705 | \r |
706 | if (PicoAHW == PAHW_PICO)\r |
707 | RunEventsPico(events, keys);\r |
708 | if (events) RunEvents(events);\r |
709 | if (movie_data) emu_updateMovie();\r |
710 | \r |
711 | prevEvents = (allActions[0] | allActions[1]) >> 16;\r |
712 | }\r |
713 | \r |
714 | \r |
715 | static void updateSound(int len)\r |
716 | {\r |
717 | if (PicoOpt&8) len<<=1;\r |
718 | \r |
719 | /* avoid writing audio when lagging behind to prevent audio lag */\r |
720 | if (PicoSkipFrame != 2)\r |
e5ab6faf |
721 | sndout_oss_write(PsndOut, len<<1);\r |
e55f0cbb |
722 | }\r |
723 | \r |
724 | \r |
725 | static void SkipFrame(int do_audio)\r |
726 | {\r |
727 | PicoSkipFrame=do_audio ? 1 : 2;\r |
728 | PicoFrame();\r |
729 | PicoSkipFrame=0;\r |
730 | }\r |
731 | \r |
732 | \r |
733 | void emu_forcedFrame(int opts)\r |
734 | {\r |
735 | int po_old = PicoOpt;\r |
736 | int eo_old = currentConfig.EmuOpt;\r |
737 | \r |
738 | PicoOpt &= ~0x10;\r |
739 | PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r |
740 | currentConfig.EmuOpt |= 0x80;\r |
741 | \r |
742 | //vidResetMode();\r |
3bb7bd19 |
743 | #ifdef USE_320_SCREEN\r |
744 | PicoDrawSetColorFormat(1);\r |
745 | PicoScanBegin = EmuScanBegin16;\r |
746 | #else\r |
e55f0cbb |
747 | PicoDrawSetColorFormat(-1);\r |
748 | PicoScanEnd = EmuScanEnd16;\r |
3bb7bd19 |
749 | #endif\r |
e55f0cbb |
750 | Pico.m.dirtyPal = 1;\r |
751 | PicoFrameDrawOnly();\r |
752 | \r |
753 | /*\r |
754 | if (!(Pico.video.reg[12]&1)) {\r |
755 | vidCpyM2 = vidCpyM2_32col;\r |
756 | clearArea(1);\r |
757 | } else vidCpyM2 = vidCpyM2_40col;\r |
758 | \r |
759 | vidCpyM2((unsigned char *)gp2x_screen+SCREEN_WIDTH*8, PicoDraw2FB+328*8);\r |
760 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
761 | gp2x_video_setpalette(localPal, 0x40);\r |
762 | */\r |
763 | PicoOpt = po_old;\r |
764 | currentConfig.EmuOpt = eo_old;\r |
765 | }\r |
766 | \r |
efcba75f |
767 | void emu_platformDebugCat(char *str)\r |
768 | {\r |
769 | // nothing\r |
770 | }\r |
771 | \r |
e55f0cbb |
772 | static void simpleWait(int thissec, int lim_time)\r |
773 | {\r |
774 | struct timeval tval;\r |
775 | \r |
776 | spend_cycles(1024);\r |
777 | gettimeofday(&tval, 0);\r |
778 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
779 | \r |
780 | while (tval.tv_usec < lim_time)\r |
781 | {\r |
782 | spend_cycles(1024);\r |
783 | gettimeofday(&tval, 0);\r |
784 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
785 | }\r |
786 | }\r |
787 | \r |
788 | \r |
789 | void emu_Loop(void)\r |
790 | {\r |
791 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r |
792 | char fpsbuff[24]; // fps count c string\r |
793 | struct timeval tval; // timing\r |
794 | int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r |
795 | int frames_done, frames_shown, thissec; // actual frames\r |
796 | int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r |
797 | char *notice = 0;\r |
798 | \r |
799 | printf("entered emu_Loop()\n");\r |
800 | \r |
801 | fpsbuff[0] = 0;\r |
802 | \r |
803 | // make sure we are in correct mode\r |
804 | vidResetMode();\r |
e55f0cbb |
805 | Pico.m.dirtyPal = 1;\r |
806 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
807 | emu_findKeyBindCombos();\r |
808 | \r |
809 | // pal/ntsc might have changed, reset related stuff\r |
810 | target_fps = Pico.m.pal ? 50 : 60;\r |
811 | target_frametime = 1000000/target_fps;\r |
812 | reset_timing = 1;\r |
813 | \r |
814 | // prepare sound stuff\r |
815 | if (currentConfig.EmuOpt & 4)\r |
816 | {\r |
817 | int snd_excess_add;\r |
818 | if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old)\r |
819 | PsndRerate(Pico.m.frame_count ? 1 : 0);\r |
820 | \r |
821 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
822 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r |
823 | PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r |
e5ab6faf |
824 | sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r |
825 | sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r |
e55f0cbb |
826 | PicoWriteSound = updateSound;\r |
827 | update_volume(0, 0);\r |
828 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
829 | PsndOut = sndBuffer;\r |
830 | PsndRate_old = PsndRate;\r |
831 | PicoOpt_old = PicoOpt;\r |
832 | pal_old = Pico.m.pal;\r |
833 | } else {\r |
834 | PsndOut = NULL;\r |
835 | }\r |
836 | \r |
837 | // prepare CD buffer\r |
838 | if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r |
839 | \r |
840 | // calc vsync offset to sync timing code with vsync\r |
841 | if (currentConfig.EmuOpt&0x2000) {\r |
842 | gettimeofday(&tval, 0);\r |
843 | gp2x_video_wait_vsync();\r |
844 | gettimeofday(&tval, 0);\r |
845 | vsync_offset = tval.tv_usec;\r |
846 | while (vsync_offset >= target_frametime)\r |
847 | vsync_offset -= target_frametime;\r |
848 | if (!vsync_offset) vsync_offset++;\r |
849 | printf("vsync_offset: %i\n", vsync_offset);\r |
850 | } else\r |
851 | vsync_offset = 0;\r |
852 | \r |
853 | frames_done = frames_shown = thissec =\r |
854 | pframes_done = pframes_shown = pthissec = 0;\r |
855 | \r |
856 | // loop\r |
857 | while (engineState == PGS_Running)\r |
858 | {\r |
859 | int modes;\r |
860 | \r |
861 | gettimeofday(&tval, 0);\r |
862 | if (reset_timing) {\r |
863 | reset_timing = 0;\r |
864 | pthissec = tval.tv_sec;\r |
865 | pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r |
866 | }\r |
867 | \r |
868 | // show notice message?\r |
869 | if (noticeMsgTime.tv_sec)\r |
870 | {\r |
871 | static int noticeMsgSum;\r |
872 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
873 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
874 | clearArea(0);\r |
875 | notice = 0;\r |
876 | } else {\r |
877 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
878 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
879 | notice = noticeMsg;\r |
880 | }\r |
881 | }\r |
882 | \r |
883 | // check for mode changes\r |
884 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
885 | if (modes != oldmodes)\r |
886 | {\r |
887 | int scalex = SCREEN_WIDTH;\r |
888 | osd_fps_x = OSD_FPS_X;\r |
889 | if (modes & 4) {\r |
890 | vidCpyM2 = vidCpyM2_40col;\r |
891 | } else {\r |
892 | if (PicoOpt & 0x100) {\r |
893 | vidCpyM2 = vidCpyM2_32col_nobord;\r |
894 | scalex = 256;\r |
895 | osd_fps_x = OSD_FPS_X - 64;\r |
896 | } else {\r |
897 | vidCpyM2 = vidCpyM2_32col;\r |
898 | }\r |
899 | }\r |
900 | if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r |
901 | gp2x_video_RGB_setscaling(8, scalex, 224);\r |
902 | else gp2x_video_RGB_setscaling(0, scalex, 240);\r |
903 | oldmodes = modes;\r |
904 | clearArea(1);\r |
905 | }\r |
906 | \r |
907 | // second changed?\r |
908 | if (thissec != tval.tv_sec)\r |
909 | {\r |
910 | #ifdef BENCHMARK\r |
911 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
3bb7bd19 |
912 | if (++bench == 4) {\r |
e55f0cbb |
913 | bench = 0;\r |
3bb7bd19 |
914 | bench_fps_s = bench_fps / 4;\r |
915 | bf[bfp++ & 3] = bench_fps / 4;\r |
e55f0cbb |
916 | bench_fps = 0;\r |
917 | }\r |
918 | bench_fps += frames_shown;\r |
3bb7bd19 |
919 | sprintf(fpsbuff, "%3i/%3i/%3i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
84100c0f |
920 | printf("%s\n", fpsbuff);\r |
e55f0cbb |
921 | #else\r |
922 | if (currentConfig.EmuOpt & 2) {\r |
3bb7bd19 |
923 | sprintf(fpsbuff, "%3i/%3i", frames_shown, frames_done);\r |
e55f0cbb |
924 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
925 | }\r |
926 | #endif\r |
927 | frames_shown = frames_done = 0;\r |
928 | thissec = tval.tv_sec;\r |
929 | }\r |
930 | #ifdef PFRAMES\r |
931 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
932 | #endif\r |
933 | \r |
934 | if (pthissec != tval.tv_sec)\r |
935 | {\r |
936 | if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
937 | pframes_done = pframes_shown = 0;\r |
938 | } else {\r |
939 | // it is quite common for this implementation to leave 1 fame unfinished\r |
940 | // when second changes, but we don't want buffer to starve.\r |
941 | if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r |
942 | updateKeys();\r |
943 | SkipFrame(1); pframes_done++;\r |
944 | }\r |
945 | \r |
946 | pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r |
947 | pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r |
948 | if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r |
949 | }\r |
950 | pthissec = tval.tv_sec;\r |
951 | }\r |
952 | \r |
953 | lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r |
954 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
955 | {\r |
956 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
957 | updateKeys();\r |
958 | SkipFrame(1); pframes_done++; frames_done++;\r |
959 | if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r |
960 | gettimeofday(&tval, 0);\r |
961 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
962 | if (tval.tv_usec < lim_time) { // we are too fast\r |
963 | simpleWait(pthissec, lim_time);\r |
964 | }\r |
965 | }\r |
966 | lim_time += target_frametime;\r |
967 | }\r |
968 | }\r |
969 | else if (tval.tv_usec > lim_time) // auto frameskip\r |
970 | {\r |
971 | // no time left for this frame - skip\r |
972 | if (tval.tv_usec - lim_time >= 300000) {\r |
973 | /* something caused a slowdown for us (disk access? cache flush?)\r |
974 | * try to recover by resetting timing... */\r |
975 | reset_timing = 1;\r |
976 | continue;\r |
977 | }\r |
978 | updateKeys();\r |
979 | SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r |
980 | continue;\r |
981 | }\r |
982 | \r |
983 | updateKeys();\r |
984 | PicoFrame();\r |
985 | \r |
986 | // check time\r |
987 | gettimeofday(&tval, 0);\r |
988 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
989 | \r |
990 | if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r |
991 | reset_timing = 1;\r |
16b0afd0 |
992 | #if 1\r |
993 | else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r |
e55f0cbb |
994 | {\r |
995 | // sleep or vsync if we are still too fast\r |
996 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
997 | if (!reset_timing && tval.tv_usec < lim_time)\r |
998 | {\r |
999 | // we are too fast\r |
1000 | if (vsync_offset) {\r |
1001 | if (lim_time - tval.tv_usec > target_frametime/2)\r |
1002 | simpleWait(pthissec, lim_time - target_frametime/4);\r |
1003 | gp2x_video_wait_vsync();\r |
1004 | } else {\r |
1005 | simpleWait(pthissec, lim_time);\r |
1006 | }\r |
1007 | }\r |
1008 | }\r |
16b0afd0 |
1009 | #endif\r |
e55f0cbb |
1010 | blit(fpsbuff, notice);\r |
1011 | \r |
1012 | pframes_done++; pframes_shown++;\r |
1013 | frames_done++; frames_shown++;\r |
1014 | }\r |
1015 | \r |
1016 | emu_changeFastForward(0);\r |
1017 | \r |
1018 | if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r |
1019 | \r |
1020 | // save SRAM\r |
1021 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
1022 | emu_state_cb("Writing SRAM/BRAM..");\r |
1023 | emu_SaveLoadGame(0, 1);\r |
1024 | SRam.changed = 0;\r |
1025 | }\r |
1026 | \r |
1027 | // if in 8bit mode, generate 16bit image for menu background\r |
1028 | if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r |
1029 | emu_forcedFrame(POPT_EN_SOFTSCALE);\r |
1030 | }\r |
1031 | \r |
1032 | \r |
1033 | void emu_ResetGame(void)\r |
1034 | {\r |
1035 | PicoReset();\r |
1036 | reset_timing = 1;\r |
1037 | }\r |
1038 | \r |