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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 |
e55f0cbb |
17 | #include "../common/arm_utils.h"\r |
18 | #include "../common/fonts.h"\r |
19 | #include "../common/emu.h"\r |
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20 | #include "../common/menu.h"\r |
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21 | #include "../common/config.h"\r |
22 | #include "../common/common.h"\r |
b6820926 |
23 | #include "../common/input.h"\r |
e5ab6faf |
24 | #include "../linux/sndout_oss.h"\r |
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25 | #include "asm_utils.h"\r |
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26 | \r |
efcba75f |
27 | #include <pico/pico_int.h>\r |
28 | #include <pico/patch.h>\r |
29 | #include <pico/sound/mix.h>\r |
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30 | #include <zlib/zlib.h>\r |
31 | \r |
32 | //#define PFRAMES\r |
3bb7bd19 |
33 | #define BENCHMARK\r |
34 | //#define USE_320_SCREEN 1\r |
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35 | \r |
36 | #ifdef BENCHMARK\r |
37 | #define OSD_FPS_X (800-200)\r |
38 | #else\r |
39 | #define OSD_FPS_X (800-120)\r |
40 | #endif\r |
41 | \r |
42 | \r |
e55f0cbb |
43 | int select_exits = 0;\r |
44 | \r |
e55f0cbb |
45 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r |
46 | static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r |
47 | static int osd_fps_x;\r |
e55f0cbb |
48 | unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r |
49 | int reset_timing = 0;\r |
50 | \r |
51 | #define PICO_PEN_ADJUST_X 4\r |
52 | #define PICO_PEN_ADJUST_Y 2\r |
e2de9939 |
53 | static int pico_pen_x = 0, pico_pen_y = 240/2;\r |
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54 | \r |
55 | static void emu_msg_cb(const char *msg);\r |
56 | static void emu_msg_tray_open(void);\r |
57 | \r |
58 | \r |
59 | void emu_noticeMsgUpdated(void)\r |
60 | {\r |
61 | gettimeofday(¬iceMsgTime, 0);\r |
62 | }\r |
63 | \r |
ca482e5d |
64 | int emu_getMainDir(char *dst, int len)\r |
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65 | {\r |
66 | extern char **g_argv;\r |
67 | int j;\r |
68 | \r |
69 | strncpy(dst, g_argv[0], len);\r |
70 | len -= 32; // reserve\r |
71 | if (len < 0) len = 0;\r |
72 | dst[len] = 0;\r |
73 | for (j = strlen(dst); j > 0; j--)\r |
74 | if (dst[j] == '/') { dst[j+1] = 0; break; }\r |
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75 | \r |
76 | return j + 1;\r |
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77 | }\r |
78 | \r |
79 | void emu_Init(void)\r |
80 | {\r |
81 | // make temp buffer for alt renderer\r |
82 | PicoDraw2FB = malloc((8+320)*(8+240+8));\r |
83 | if (!PicoDraw2FB)\r |
84 | {\r |
85 | printf("PicoDraw2FB == 0\n");\r |
86 | }\r |
87 | \r |
88 | // make dirs for saves, cfgs, etc.\r |
89 | mkdir("mds", 0777);\r |
90 | mkdir("srm", 0777);\r |
91 | mkdir("brm", 0777);\r |
92 | mkdir("cfg", 0777);\r |
93 | \r |
94 | PicoInit();\r |
95 | PicoMessage = emu_msg_cb;\r |
96 | PicoMCDopenTray = emu_msg_tray_open;\r |
97 | PicoMCDcloseTray = menu_loop_tray;\r |
98 | }\r |
99 | \r |
100 | \r |
e55f0cbb |
101 | void emu_Deinit(void)\r |
102 | {\r |
103 | // save SRAM\r |
104 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
105 | emu_SaveLoadGame(0, 1);\r |
106 | SRam.changed = 0;\r |
107 | }\r |
108 | \r |
109 | if (!(currentConfig.EmuOpt & 0x20)) {\r |
110 | config_writelrom(PicoConfigFile);\r |
111 | #ifndef NO_SYNC\r |
112 | sync();\r |
113 | #endif\r |
114 | }\r |
115 | \r |
116 | free(PicoDraw2FB);\r |
117 | \r |
118 | PicoExit();\r |
119 | }\r |
120 | \r |
121 | void emu_prepareDefaultConfig(void)\r |
122 | {\r |
123 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
84100c0f |
124 | defaultConfig.EmuOpt = 0x8f | 0x00600; // | <- confirm_save, cd_leds\r |
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125 | defaultConfig.s_PicoOpt = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC;\r |
126 | defaultConfig.s_PicoOpt |= POPT_ACC_SPRITES|POPT_EN_MCD_GFX;\r |
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127 | defaultConfig.EmuOpt &= ~8; // no save gzip\r |
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128 | defaultConfig.s_PsndRate = 44100;\r |
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129 | defaultConfig.s_PicoRegion = 0;\r |
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130 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
131 | defaultConfig.s_PicoCDBuffers = 0;\r |
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132 | defaultConfig.Frameskip = 0;\r |
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133 | defaultConfig.CPUclock = 200;\r |
134 | defaultConfig.volume = 50;\r |
135 | defaultConfig.scaling = 0;\r |
136 | defaultConfig.turbo_rate = 15;\r |
137 | }\r |
138 | \r |
e55f0cbb |
139 | static void textOut16(int x, int y, const char *text)\r |
140 | {\r |
141 | int i,l,len=strlen(text);\r |
e2de9939 |
142 | unsigned int *screen = (unsigned int *)((unsigned short *)g_screen_ptr + (x&~1) + y*g_screen_width);\r |
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143 | \r |
144 | for (i = 0; i < len; i++)\r |
145 | {\r |
3bb7bd19 |
146 | for (l=0;l<16;)\r |
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147 | {\r |
148 | unsigned char fd = fontdata8x8[((text[i])*8)+l/2];\r |
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149 | unsigned int *d = &screen[l*g_screen_width/2];\r |
3bb7bd19 |
150 | if (fd&0x80) d[0]=0xffffffff;\r |
151 | if (fd&0x40) d[1]=0xffffffff;\r |
152 | if (fd&0x20) d[2]=0xffffffff;\r |
153 | if (fd&0x10) d[3]=0xffffffff;\r |
154 | if (fd&0x08) d[4]=0xffffffff;\r |
155 | if (fd&0x04) d[5]=0xffffffff;\r |
156 | if (fd&0x02) d[6]=0xffffffff;\r |
157 | if (fd&0x01) d[7]=0xffffffff;\r |
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158 | l++; d = &screen[l*g_screen_width/2];\r |
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159 | if (fd&0x80) d[0]=0xffffffff;\r |
160 | if (fd&0x40) d[1]=0xffffffff;\r |
161 | if (fd&0x20) d[2]=0xffffffff;\r |
162 | if (fd&0x10) d[3]=0xffffffff;\r |
163 | if (fd&0x08) d[4]=0xffffffff;\r |
164 | if (fd&0x04) d[5]=0xffffffff;\r |
165 | if (fd&0x02) d[6]=0xffffffff;\r |
166 | if (fd&0x01) d[7]=0xffffffff;\r |
167 | l++;\r |
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168 | }\r |
169 | screen += 8;\r |
170 | }\r |
171 | }\r |
172 | \r |
173 | \r |
174 | void osd_text(int x, int y, const char *text)\r |
175 | {\r |
176 | int len = strlen(text)*8;\r |
177 | \r |
178 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
179 | int *p, i, h;\r |
180 | x &= ~3; // align x\r |
181 | len = (len+3) >> 2;\r |
182 | for (h = 0; h < 8; h++) {\r |
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183 | p = (int *) ((unsigned char *) g_screen_ptr+x+g_screen_width*(y+h));\r |
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184 | for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r |
185 | }\r |
186 | emu_textOut8(x, y, text);\r |
187 | } else {\r |
188 | int *p, i, h;\r |
189 | x &= ~1; // align x\r |
190 | len++;\r |
191 | for (h = 0; h < 16; h++) {\r |
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192 | p = (int *) ((unsigned short *) g_screen_ptr+x+g_screen_width*(y+h));\r |
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193 | for (i = len; i; i--, p++) *p = 0;//(*p>>2)&0x39e7;\r |
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194 | }\r |
195 | textOut16(x, y, text);\r |
196 | }\r |
197 | }\r |
198 | \r |
199 | static void draw_cd_leds(void)\r |
200 | {\r |
201 | // static\r |
202 | int old_reg;\r |
203 | // if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r |
204 | old_reg = Pico_mcd->s68k_regs[0];\r |
205 | \r |
206 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
207 | // 8-bit modes\r |
208 | unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
209 | unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
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210 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =\r |
211 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =\r |
212 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;\r |
213 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =\r |
214 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =\r |
215 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;\r |
e55f0cbb |
216 | } else {\r |
217 | // 16-bit modes\r |
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218 | unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);\r |
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219 | unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r |
220 | unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r |
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221 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r |
222 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r |
e55f0cbb |
223 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r |
224 | }\r |
225 | }\r |
226 | \r |
227 | static void draw_pico_ptr(void)\r |
228 | {\r |
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229 | unsigned short *p = (unsigned short *)g_screen_ptr;\r |
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230 | \r |
231 | // only if pen enabled and for 16bit modes\r |
232 | if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r |
233 | \r |
234 | if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r |
235 | p += 32;\r |
236 | \r |
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237 | p += g_screen_width * (pico_pen_y + PICO_PEN_ADJUST_Y);\r |
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238 | p += pico_pen_x + PICO_PEN_ADJUST_X;\r |
239 | p[0] ^= 0xffff;\r |
240 | p[319] ^= 0xffff;\r |
241 | p[320] ^= 0xffff;\r |
242 | p[321] ^= 0xffff;\r |
243 | p[640] ^= 0xffff;\r |
244 | }\r |
245 | \r |
3bb7bd19 |
246 | #ifdef USE_320_SCREEN\r |
247 | \r |
248 | static int EmuScanBegin16(unsigned int num)\r |
249 | {\r |
250 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
74f5e726 |
251 | DrawLineDest = (unsigned short *)g_screen_ptr + num*800 + 800/2 - 320/2;\r |
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252 | //int w = (Pico.video.reg[12]&1) ? 320 : 256;\r |
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253 | //DrawLineDest = (unsigned short *)g_screen_ptr + num*w;\r |
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254 | \r |
255 | return 0;\r |
256 | }\r |
257 | \r |
258 | #else // USE_320_SCREEN\r |
259 | \r |
e55f0cbb |
260 | static int EmuScanEnd16(unsigned int num)\r |
261 | {\r |
262 | unsigned char *ps=HighCol+8;\r |
263 | unsigned short *pd;\r |
264 | unsigned short *pal=HighPal;\r |
265 | int sh = Pico.video.reg[0xC]&8;\r |
266 | int len, mask = 0xff;\r |
267 | \r |
268 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
74f5e726 |
269 | pd=(unsigned short *)g_screen_ptr + num*800*2 + 800/2 - 320*2/2;\r |
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270 | \r |
271 | if (Pico.m.dirtyPal)\r |
272 | PicoDoHighPal555(sh);\r |
273 | \r |
274 | if (Pico.video.reg[12]&1) {\r |
275 | len = 320;\r |
276 | } else {\r |
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277 | pd += 32*2;\r |
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278 | len = 256;\r |
279 | }\r |
280 | \r |
efcba75f |
281 | if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI))\r |
282 | mask=0x3f; // messed sprites, upper bits are priority stuff\r |
e55f0cbb |
283 | \r |
3bb7bd19 |
284 | #if 1\r |
285 | clut_line(pd, ps, pal, (mask<<16) | len);\r |
286 | #else\r |
e55f0cbb |
287 | for (; len > 0; len--)\r |
288 | {\r |
289 | unsigned int p = pal[*ps++ & mask];\r |
290 | p |= p << 16;\r |
291 | *(unsigned int *)pd = p;\r |
292 | *(unsigned int *)(&pd[800]) = p;\r |
293 | pd += 2;\r |
294 | }\r |
3bb7bd19 |
295 | #endif\r |
e55f0cbb |
296 | \r |
297 | return 0;\r |
298 | }\r |
299 | \r |
3bb7bd19 |
300 | #endif // USE_320_SCREEN\r |
301 | \r |
e55f0cbb |
302 | int localPal[0x100];\r |
303 | static void (*vidCpyM2)(void *dest, void *src) = NULL;\r |
304 | \r |
305 | static void blit(const char *fps, const char *notice)\r |
306 | {\r |
307 | int emu_opt = currentConfig.EmuOpt;\r |
308 | \r |
309 | if (PicoOpt&0x10)\r |
310 | {\r |
311 | // 8bit fast renderer\r |
312 | if (Pico.m.dirtyPal) {\r |
313 | Pico.m.dirtyPal = 0;\r |
314 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
315 | // feed new palette to our device\r |
74f5e726 |
316 | // gp2x_video_setpalette(localPal, 0x40);\r |
e55f0cbb |
317 | }\r |
318 | // a hack for VR\r |
319 | if (PicoRead16Hook == PicoSVPRead16)\r |
320 | memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r |
321 | // do actual copy\r |
74f5e726 |
322 | vidCpyM2((unsigned char *)g_screen_ptr+g_screen_width*8, PicoDraw2FB+328*8);\r |
e55f0cbb |
323 | }\r |
324 | else if (!(emu_opt&0x80))\r |
325 | {\r |
326 | // 8bit accurate renderer\r |
327 | if (Pico.m.dirtyPal)\r |
328 | {\r |
f8af9634 |
329 | int pallen = 0xc0;\r |
e55f0cbb |
330 | Pico.m.dirtyPal = 0;\r |
331 | if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r |
332 | {\r |
333 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
334 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
335 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
336 | memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r |
337 | pallen = 0x100;\r |
338 | }\r |
e55f0cbb |
339 | else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r |
340 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
341 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
342 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
343 | pallen = 0xc0;\r |
344 | }\r |
345 | else {\r |
346 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
f8af9634 |
347 | memcpy32(localPal+0x80, localPal, 0x40);\r |
e55f0cbb |
348 | }\r |
349 | if (pallen > 0xc0) {\r |
350 | localPal[0xc0] = 0x0000c000;\r |
351 | localPal[0xd0] = 0x00c00000;\r |
352 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
353 | localPal[0xf0] = 0x00ffffff;\r |
354 | }\r |
74f5e726 |
355 | // gp2x_video_setpalette(localPal, pallen);\r |
e55f0cbb |
356 | }\r |
357 | }\r |
358 | \r |
359 | if (notice || (emu_opt & 2)) {\r |
e2de9939 |
360 | int h = g_screen_height-16;\r |
e55f0cbb |
361 | if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 16;\r |
362 | if (notice) osd_text(4, h, notice);\r |
363 | if (emu_opt & 2)\r |
3bb7bd19 |
364 | osd_text(osd_fps_x, h, fps);\r |
e55f0cbb |
365 | }\r |
366 | if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r |
367 | draw_cd_leds();\r |
368 | if (PicoAHW & PAHW_PICO)\r |
369 | draw_pico_ptr();\r |
e55f0cbb |
370 | \r |
371 | //gp2x_video_wait_vsync();\r |
74f5e726 |
372 | // gp2x_video_flip();\r |
e55f0cbb |
373 | }\r |
374 | \r |
375 | \r |
376 | // clears whole screen or just the notice area (in all buffers)\r |
377 | static void clearArea(int full)\r |
378 | {\r |
74f5e726 |
379 | if (full) memset(g_screen_ptr, 0, g_screen_width*g_screen_height*2);\r |
380 | else memset((short *)g_screen_ptr + g_screen_width * (g_screen_height - 16), 0,\r |
381 | g_screen_width * 16 * 2);\r |
e55f0cbb |
382 | }\r |
383 | \r |
384 | \r |
385 | static void vidResetMode(void)\r |
386 | {\r |
74f5e726 |
387 | #if 0\r |
e55f0cbb |
388 | if (PicoOpt&0x10) {\r |
389 | gp2x_video_changemode(8);\r |
390 | } else if (currentConfig.EmuOpt&0x80) {\r |
391 | gp2x_video_changemode(16);\r |
3bb7bd19 |
392 | #ifdef USE_320_SCREEN\r |
393 | PicoDrawSetColorFormat(1);\r |
394 | PicoScanBegin = EmuScanBegin16;\r |
395 | #else\r |
e55f0cbb |
396 | PicoDrawSetColorFormat(-1);\r |
397 | PicoScanEnd = EmuScanEnd16;\r |
3bb7bd19 |
398 | #endif\r |
e55f0cbb |
399 | } else {\r |
400 | gp2x_video_changemode(8);\r |
401 | PicoDrawSetColorFormat(2);\r |
402 | PicoScanBegin = EmuScanBegin8;\r |
403 | }\r |
404 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
405 | // setup pal for 8-bit modes\r |
406 | localPal[0xc0] = 0x0000c000; // MCD LEDs\r |
407 | localPal[0xd0] = 0x00c00000;\r |
408 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
409 | localPal[0xf0] = 0x00ffffff;\r |
410 | gp2x_video_setpalette(localPal, 0x100);\r |
411 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
412 | gp2x_video_flip();\r |
413 | }\r |
414 | Pico.m.dirtyPal = 1;\r |
415 | // reset scaling\r |
416 | if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r |
417 | gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r |
418 | else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
74f5e726 |
419 | #else\r |
420 | #ifdef USE_320_SCREEN\r |
421 | PicoDrawSetColorFormat(1);\r |
422 | PicoScanBegin = EmuScanBegin16;\r |
423 | #else\r |
424 | PicoDrawSetColorFormat(-1);\r |
425 | PicoScanEnd = EmuScanEnd16;\r |
426 | #endif\r |
427 | #endif\r |
e55f0cbb |
428 | }\r |
429 | \r |
430 | \r |
431 | static void emu_msg_cb(const char *msg)\r |
432 | {\r |
74f5e726 |
433 | /*\r |
e55f0cbb |
434 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
435 | // 8-bit renderers\r |
e2de9939 |
436 | gp2x_memset_all_buffers(g_screen_width*(g_screen_height-16), 0xe0, g_screen_width*16);\r |
437 | osd_text(4, g_screen_height-16, msg);\r |
74f5e726 |
438 | gp2x_memcpy_all_buffers((char *)g_screen_ptr+g_screen_width*(g_screen_height-16),\r |
e2de9939 |
439 | g_screen_width*(g_screen_height-16), g_screen_width*16);\r |
e55f0cbb |
440 | } else {\r |
441 | // 16bit accurate renderer\r |
e2de9939 |
442 | gp2x_memset_all_buffers(g_screen_width*(g_screen_height-16)*2, 0, g_screen_width*16*2);\r |
443 | osd_text(4, g_screen_height-16, msg);\r |
74f5e726 |
444 | gp2x_memcpy_all_buffers((char *)g_screen_ptr+g_screen_width*(g_screen_height-16)*2,\r |
e2de9939 |
445 | g_screen_width*(g_screen_height-16)*2, g_screen_width*16*2);\r |
e55f0cbb |
446 | }\r |
447 | gettimeofday(¬iceMsgTime, 0);\r |
448 | noticeMsgTime.tv_sec -= 2;\r |
74f5e726 |
449 | */\r |
e55f0cbb |
450 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r |
451 | reset_timing = 1;\r |
452 | }\r |
453 | \r |
454 | static void emu_state_cb(const char *str)\r |
455 | {\r |
456 | clearArea(0);\r |
457 | blit("", str);\r |
458 | }\r |
459 | \r |
460 | static void emu_msg_tray_open(void)\r |
461 | {\r |
462 | strcpy(noticeMsg, "CD tray opened");\r |
463 | gettimeofday(¬iceMsgTime, 0);\r |
464 | }\r |
465 | \r |
b6820926 |
466 | #if 0\r |
e55f0cbb |
467 | static void RunEventsPico(unsigned int events, unsigned int gp2x_keys)\r |
468 | {\r |
469 | int ret, px, py, lim_x;\r |
470 | static int pdown_frames = 0;\r |
471 | \r |
472 | emu_RunEventsPico(events);\r |
473 | \r |
474 | if (pico_inp_mode == 0) return;\r |
475 | \r |
476 | // for F200\r |
477 | ret = gp2x_touchpad_read(&px, &py);\r |
478 | if (ret >= 0)\r |
479 | {\r |
480 | if (ret > 35000)\r |
481 | {\r |
482 | if (pdown_frames++ > 5)\r |
483 | PicoPad[0] |= 0x20;\r |
484 | \r |
485 | pico_pen_x = px;\r |
486 | pico_pen_y = py;\r |
487 | if (!(Pico.video.reg[12]&1)) {\r |
488 | pico_pen_x -= 32;\r |
489 | if (pico_pen_x < 0) pico_pen_x = 0;\r |
490 | if (pico_pen_x > 248) pico_pen_x = 248;\r |
491 | }\r |
492 | if (pico_pen_y > 224) pico_pen_y = 224;\r |
493 | }\r |
494 | else\r |
495 | pdown_frames = 0;\r |
496 | \r |
497 | //if (ret == 0)\r |
498 | // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
499 | }\r |
500 | \r |
501 | PicoPad[0] &= ~0x0f; // release UDLR\r |
502 | if (gp2x_keys & GP2X_UP) pico_pen_y--;\r |
503 | if (gp2x_keys & GP2X_DOWN) pico_pen_y++;\r |
504 | if (gp2x_keys & GP2X_LEFT) pico_pen_x--;\r |
505 | if (gp2x_keys & GP2X_RIGHT) pico_pen_x++;\r |
506 | \r |
507 | lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r |
508 | if (pico_pen_y < 8) pico_pen_y = 8;\r |
509 | if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r |
510 | if (pico_pen_x < 0) pico_pen_x = 0;\r |
511 | if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r |
512 | \r |
513 | PicoPicohw.pen_pos[0] = pico_pen_x;\r |
514 | if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r |
515 | PicoPicohw.pen_pos[0] += 0x3c;\r |
516 | PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r |
517 | }\r |
b6820926 |
518 | #endif\r |
e55f0cbb |
519 | \r |
520 | static void update_volume(int has_changed, int is_up)\r |
521 | {\r |
522 | static int prev_frame = 0, wait_frames = 0;\r |
523 | int vol = currentConfig.volume;\r |
524 | \r |
525 | if (has_changed)\r |
526 | {\r |
527 | if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r |
528 | wait_frames++;\r |
529 | else {\r |
530 | if (is_up) {\r |
531 | if (vol < 99) vol++;\r |
532 | } else {\r |
533 | if (vol > 0) vol--;\r |
534 | }\r |
535 | wait_frames = 0;\r |
e5ab6faf |
536 | sndout_oss_setvol(vol, vol);\r |
e55f0cbb |
537 | currentConfig.volume = vol;\r |
538 | }\r |
539 | sprintf(noticeMsg, "VOL: %02i", vol);\r |
540 | gettimeofday(¬iceMsgTime, 0);\r |
541 | prev_frame = Pico.m.frame_count;\r |
542 | }\r |
543 | \r |
544 | // set the right mixer func\r |
545 | if (!(PicoOpt&8)) return; // just use defaults for mono\r |
546 | if (vol >= 5)\r |
547 | PsndMix_32_to_16l = mix_32_to_16l_stereo;\r |
548 | else {\r |
549 | mix_32_to_16l_level = 5 - vol;\r |
550 | PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r |
551 | }\r |
552 | }\r |
553 | \r |
554 | static void RunEvents(unsigned int which)\r |
555 | {\r |
556 | if (which & 0x1800) // save or load (but not both)\r |
557 | {\r |
558 | int do_it = 1;\r |
559 | if ( emu_checkSaveFile(state_slot) &&\r |
560 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r |
561 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r |
b6820926 |
562 | #if 0\r |
e55f0cbb |
563 | unsigned long keys;\r |
564 | blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r |
565 | while ( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r |
566 | usleep(50*1024);\r |
567 | if (keys & GP2X_X) do_it = 0;\r |
568 | while ( gp2x_joystick_read(1) & (GP2X_X|GP2X_Y) ) // wait for release\r |
569 | usleep(50*1024);\r |
570 | clearArea(0);\r |
b6820926 |
571 | #endif\r |
e55f0cbb |
572 | }\r |
573 | if (do_it) {\r |
e2de9939 |
574 | osd_text(4, g_screen_height-16, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r |
e55f0cbb |
575 | PicoStateProgressCB = emu_state_cb;\r |
74f5e726 |
576 | //gp2x_memcpy_all_buffers(g_screen_ptr, 0, g_screen_width*g_screen_height*2);\r |
e55f0cbb |
577 | emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r |
578 | PicoStateProgressCB = NULL;\r |
579 | }\r |
580 | \r |
581 | reset_timing = 1;\r |
582 | }\r |
583 | if (which & 0x0400) // switch renderer\r |
584 | {\r |
585 | if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r |
586 | else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r |
587 | else currentConfig.EmuOpt &= ~0x80;\r |
588 | \r |
589 | vidResetMode();\r |
590 | \r |
591 | if (PicoOpt&0x10) {\r |
592 | strcpy(noticeMsg, " 8bit fast renderer");\r |
593 | } else if (currentConfig.EmuOpt&0x80) {\r |
594 | strcpy(noticeMsg, "16bit accurate renderer");\r |
595 | } else {\r |
596 | strcpy(noticeMsg, " 8bit accurate renderer");\r |
597 | }\r |
598 | \r |
599 | gettimeofday(¬iceMsgTime, 0);\r |
600 | }\r |
601 | if (which & 0x0300)\r |
602 | {\r |
603 | if(which&0x0200) {\r |
604 | state_slot -= 1;\r |
605 | if(state_slot < 0) state_slot = 9;\r |
606 | } else {\r |
607 | state_slot += 1;\r |
608 | if(state_slot > 9) state_slot = 0;\r |
609 | }\r |
610 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r |
611 | gettimeofday(¬iceMsgTime, 0);\r |
612 | }\r |
613 | if (which & 0x0080) {\r |
614 | engineState = PGS_Menu;\r |
615 | }\r |
616 | }\r |
617 | \r |
618 | static void updateKeys(void)\r |
619 | {\r |
b6820926 |
620 | unsigned int allActions[2] = { 0, 0 }, events;\r |
e55f0cbb |
621 | static unsigned int prevEvents = 0;\r |
e55f0cbb |
622 | \r |
b6820926 |
623 | /* FIXME: combos, player2 */\r |
624 | allActions[0] = in_update();\r |
e55f0cbb |
625 | \r |
626 | PicoPad[0] = allActions[0] & 0xfff;\r |
627 | PicoPad[1] = allActions[1] & 0xfff;\r |
628 | \r |
629 | if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r |
630 | if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r |
631 | \r |
632 | events = (allActions[0] | allActions[1]) >> 16;\r |
633 | \r |
634 | // volume is treated in special way and triggered every frame\r |
635 | if (events & 0x6000)\r |
636 | update_volume(1, events & 0x2000);\r |
637 | \r |
638 | if ((events ^ prevEvents) & 0x40) {\r |
639 | emu_changeFastForward(events & 0x40);\r |
640 | update_volume(0, 0);\r |
641 | reset_timing = 1;\r |
642 | }\r |
643 | \r |
644 | events &= ~prevEvents;\r |
645 | \r |
b6820926 |
646 | /*\r |
e55f0cbb |
647 | if (PicoAHW == PAHW_PICO)\r |
648 | RunEventsPico(events, keys);\r |
b6820926 |
649 | */\r |
e55f0cbb |
650 | if (events) RunEvents(events);\r |
651 | if (movie_data) emu_updateMovie();\r |
652 | \r |
653 | prevEvents = (allActions[0] | allActions[1]) >> 16;\r |
654 | }\r |
655 | \r |
656 | \r |
657 | static void updateSound(int len)\r |
658 | {\r |
659 | if (PicoOpt&8) len<<=1;\r |
660 | \r |
661 | /* avoid writing audio when lagging behind to prevent audio lag */\r |
662 | if (PicoSkipFrame != 2)\r |
e5ab6faf |
663 | sndout_oss_write(PsndOut, len<<1);\r |
e55f0cbb |
664 | }\r |
665 | \r |
666 | \r |
667 | static void SkipFrame(int do_audio)\r |
668 | {\r |
669 | PicoSkipFrame=do_audio ? 1 : 2;\r |
670 | PicoFrame();\r |
671 | PicoSkipFrame=0;\r |
672 | }\r |
673 | \r |
674 | \r |
675 | void emu_forcedFrame(int opts)\r |
676 | {\r |
677 | int po_old = PicoOpt;\r |
678 | int eo_old = currentConfig.EmuOpt;\r |
679 | \r |
680 | PicoOpt &= ~0x10;\r |
681 | PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r |
682 | currentConfig.EmuOpt |= 0x80;\r |
683 | \r |
684 | //vidResetMode();\r |
3bb7bd19 |
685 | #ifdef USE_320_SCREEN\r |
686 | PicoDrawSetColorFormat(1);\r |
687 | PicoScanBegin = EmuScanBegin16;\r |
688 | #else\r |
e55f0cbb |
689 | PicoDrawSetColorFormat(-1);\r |
690 | PicoScanEnd = EmuScanEnd16;\r |
3bb7bd19 |
691 | #endif\r |
e55f0cbb |
692 | Pico.m.dirtyPal = 1;\r |
693 | PicoFrameDrawOnly();\r |
694 | \r |
695 | /*\r |
696 | if (!(Pico.video.reg[12]&1)) {\r |
697 | vidCpyM2 = vidCpyM2_32col;\r |
698 | clearArea(1);\r |
699 | } else vidCpyM2 = vidCpyM2_40col;\r |
700 | \r |
74f5e726 |
701 | vidCpyM2((unsigned char *)g_screen_ptr+g_screen_width*8, PicoDraw2FB+328*8);\r |
e55f0cbb |
702 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
703 | gp2x_video_setpalette(localPal, 0x40);\r |
704 | */\r |
705 | PicoOpt = po_old;\r |
706 | currentConfig.EmuOpt = eo_old;\r |
707 | }\r |
708 | \r |
efcba75f |
709 | void emu_platformDebugCat(char *str)\r |
710 | {\r |
711 | // nothing\r |
712 | }\r |
713 | \r |
e55f0cbb |
714 | static void simpleWait(int thissec, int lim_time)\r |
715 | {\r |
716 | struct timeval tval;\r |
717 | \r |
718 | spend_cycles(1024);\r |
719 | gettimeofday(&tval, 0);\r |
720 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
721 | \r |
722 | while (tval.tv_usec < lim_time)\r |
723 | {\r |
724 | spend_cycles(1024);\r |
725 | gettimeofday(&tval, 0);\r |
726 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
727 | }\r |
728 | }\r |
729 | \r |
b6820926 |
730 | void emu_startSound(void)\r |
731 | {\r |
732 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r |
733 | int target_fps = Pico.m.pal ? 50 : 60;\r |
734 | \r |
735 | PsndOut = NULL;\r |
736 | \r |
737 | if (currentConfig.EmuOpt & 4)\r |
738 | {\r |
739 | int snd_excess_add;\r |
740 | if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old)\r |
741 | PsndRerate(Pico.m.frame_count ? 1 : 0);\r |
742 | \r |
743 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
744 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r |
745 | PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r |
746 | sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r |
747 | sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r |
748 | PicoWriteSound = updateSound;\r |
749 | update_volume(0, 0);\r |
750 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
751 | PsndOut = sndBuffer;\r |
752 | PsndRate_old = PsndRate;\r |
753 | PicoOpt_old = PicoOpt;\r |
754 | pal_old = Pico.m.pal;\r |
755 | }\r |
756 | }\r |
757 | \r |
758 | void emu_endSound(void)\r |
759 | {\r |
760 | }\r |
761 | \r |
762 | /* wait until we can write more sound */\r |
763 | void emu_waitSound(void)\r |
764 | {\r |
765 | // don't need to do anything, writes will block by themselves\r |
766 | }\r |
e55f0cbb |
767 | \r |
768 | void emu_Loop(void)\r |
769 | {\r |
e55f0cbb |
770 | char fpsbuff[24]; // fps count c string\r |
771 | struct timeval tval; // timing\r |
772 | int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r |
773 | int frames_done, frames_shown, thissec; // actual frames\r |
774 | int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r |
775 | char *notice = 0;\r |
776 | \r |
777 | printf("entered emu_Loop()\n");\r |
778 | \r |
779 | fpsbuff[0] = 0;\r |
780 | \r |
781 | // make sure we are in correct mode\r |
782 | vidResetMode();\r |
e55f0cbb |
783 | Pico.m.dirtyPal = 1;\r |
784 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
785 | emu_findKeyBindCombos();\r |
786 | \r |
787 | // pal/ntsc might have changed, reset related stuff\r |
788 | target_fps = Pico.m.pal ? 50 : 60;\r |
789 | target_frametime = 1000000/target_fps;\r |
790 | reset_timing = 1;\r |
791 | \r |
b6820926 |
792 | emu_startSound();\r |
e55f0cbb |
793 | \r |
794 | // prepare CD buffer\r |
795 | if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r |
796 | \r |
797 | // calc vsync offset to sync timing code with vsync\r |
798 | if (currentConfig.EmuOpt&0x2000) {\r |
799 | gettimeofday(&tval, 0);\r |
74f5e726 |
800 | //gp2x_video_wait_vsync();\r |
e55f0cbb |
801 | gettimeofday(&tval, 0);\r |
802 | vsync_offset = tval.tv_usec;\r |
803 | while (vsync_offset >= target_frametime)\r |
804 | vsync_offset -= target_frametime;\r |
805 | if (!vsync_offset) vsync_offset++;\r |
806 | printf("vsync_offset: %i\n", vsync_offset);\r |
807 | } else\r |
808 | vsync_offset = 0;\r |
809 | \r |
810 | frames_done = frames_shown = thissec =\r |
811 | pframes_done = pframes_shown = pthissec = 0;\r |
812 | \r |
813 | // loop\r |
814 | while (engineState == PGS_Running)\r |
815 | {\r |
816 | int modes;\r |
817 | \r |
818 | gettimeofday(&tval, 0);\r |
819 | if (reset_timing) {\r |
820 | reset_timing = 0;\r |
821 | pthissec = tval.tv_sec;\r |
822 | pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r |
823 | }\r |
824 | \r |
825 | // show notice message?\r |
826 | if (noticeMsgTime.tv_sec)\r |
827 | {\r |
828 | static int noticeMsgSum;\r |
829 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
830 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
831 | clearArea(0);\r |
832 | notice = 0;\r |
833 | } else {\r |
834 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
835 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
836 | notice = noticeMsg;\r |
837 | }\r |
838 | }\r |
839 | \r |
840 | // check for mode changes\r |
841 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
842 | if (modes != oldmodes)\r |
843 | {\r |
e2de9939 |
844 | int scalex = g_screen_width;\r |
e55f0cbb |
845 | osd_fps_x = OSD_FPS_X;\r |
846 | if (modes & 4) {\r |
847 | vidCpyM2 = vidCpyM2_40col;\r |
848 | } else {\r |
849 | if (PicoOpt & 0x100) {\r |
850 | vidCpyM2 = vidCpyM2_32col_nobord;\r |
851 | scalex = 256;\r |
852 | osd_fps_x = OSD_FPS_X - 64;\r |
853 | } else {\r |
854 | vidCpyM2 = vidCpyM2_32col;\r |
855 | }\r |
856 | }\r |
74f5e726 |
857 | //if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r |
858 | // gp2x_video_RGB_setscaling(8, scalex, 224);\r |
859 | // else gp2x_video_RGB_setscaling(0, scalex, 240);\r |
e55f0cbb |
860 | oldmodes = modes;\r |
861 | clearArea(1);\r |
862 | }\r |
863 | \r |
864 | // second changed?\r |
865 | if (thissec != tval.tv_sec)\r |
866 | {\r |
867 | #ifdef BENCHMARK\r |
868 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
3bb7bd19 |
869 | if (++bench == 4) {\r |
e55f0cbb |
870 | bench = 0;\r |
3bb7bd19 |
871 | bench_fps_s = bench_fps / 4;\r |
872 | bf[bfp++ & 3] = bench_fps / 4;\r |
e55f0cbb |
873 | bench_fps = 0;\r |
874 | }\r |
875 | bench_fps += frames_shown;\r |
3bb7bd19 |
876 | sprintf(fpsbuff, "%3i/%3i/%3i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
84100c0f |
877 | printf("%s\n", fpsbuff);\r |
e55f0cbb |
878 | #else\r |
879 | if (currentConfig.EmuOpt & 2) {\r |
3bb7bd19 |
880 | sprintf(fpsbuff, "%3i/%3i", frames_shown, frames_done);\r |
e55f0cbb |
881 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
882 | }\r |
883 | #endif\r |
884 | frames_shown = frames_done = 0;\r |
885 | thissec = tval.tv_sec;\r |
886 | }\r |
887 | #ifdef PFRAMES\r |
888 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
889 | #endif\r |
890 | \r |
891 | if (pthissec != tval.tv_sec)\r |
892 | {\r |
893 | if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
894 | pframes_done = pframes_shown = 0;\r |
895 | } else {\r |
896 | // it is quite common for this implementation to leave 1 fame unfinished\r |
897 | // when second changes, but we don't want buffer to starve.\r |
898 | if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r |
899 | updateKeys();\r |
900 | SkipFrame(1); pframes_done++;\r |
901 | }\r |
902 | \r |
903 | pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r |
904 | pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r |
905 | if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r |
906 | }\r |
907 | pthissec = tval.tv_sec;\r |
908 | }\r |
909 | \r |
910 | lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r |
911 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
912 | {\r |
913 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
914 | updateKeys();\r |
915 | SkipFrame(1); pframes_done++; frames_done++;\r |
916 | if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r |
917 | gettimeofday(&tval, 0);\r |
918 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
919 | if (tval.tv_usec < lim_time) { // we are too fast\r |
920 | simpleWait(pthissec, lim_time);\r |
921 | }\r |
922 | }\r |
923 | lim_time += target_frametime;\r |
924 | }\r |
925 | }\r |
926 | else if (tval.tv_usec > lim_time) // auto frameskip\r |
927 | {\r |
928 | // no time left for this frame - skip\r |
929 | if (tval.tv_usec - lim_time >= 300000) {\r |
930 | /* something caused a slowdown for us (disk access? cache flush?)\r |
931 | * try to recover by resetting timing... */\r |
932 | reset_timing = 1;\r |
933 | continue;\r |
934 | }\r |
935 | updateKeys();\r |
936 | SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r |
937 | continue;\r |
938 | }\r |
939 | \r |
940 | updateKeys();\r |
941 | PicoFrame();\r |
942 | \r |
943 | // check time\r |
944 | gettimeofday(&tval, 0);\r |
945 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
946 | \r |
947 | if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r |
948 | reset_timing = 1;\r |
16b0afd0 |
949 | #if 1\r |
950 | else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r |
e55f0cbb |
951 | {\r |
952 | // sleep or vsync if we are still too fast\r |
953 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
954 | if (!reset_timing && tval.tv_usec < lim_time)\r |
955 | {\r |
956 | // we are too fast\r |
957 | if (vsync_offset) {\r |
958 | if (lim_time - tval.tv_usec > target_frametime/2)\r |
959 | simpleWait(pthissec, lim_time - target_frametime/4);\r |
74f5e726 |
960 | // gp2x_video_wait_vsync();\r |
e55f0cbb |
961 | } else {\r |
962 | simpleWait(pthissec, lim_time);\r |
963 | }\r |
964 | }\r |
965 | }\r |
16b0afd0 |
966 | #endif\r |
e55f0cbb |
967 | blit(fpsbuff, notice);\r |
968 | \r |
969 | pframes_done++; pframes_shown++;\r |
970 | frames_done++; frames_shown++;\r |
971 | }\r |
972 | \r |
973 | emu_changeFastForward(0);\r |
974 | \r |
975 | if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r |
976 | \r |
977 | // save SRAM\r |
978 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
979 | emu_state_cb("Writing SRAM/BRAM..");\r |
980 | emu_SaveLoadGame(0, 1);\r |
981 | SRam.changed = 0;\r |
982 | }\r |
983 | \r |
984 | // if in 8bit mode, generate 16bit image for menu background\r |
985 | if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r |
986 | emu_forcedFrame(POPT_EN_SOFTSCALE);\r |
987 | }\r |
988 | \r |
989 | \r |
990 | void emu_ResetGame(void)\r |
991 | {\r |
992 | PicoReset();\r |
993 | reset_timing = 1;\r |
994 | }\r |
995 | \r |