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 |
e55f0cbb |
17 | #include "../common/arm_utils.h"\r |
18 | #include "../common/fonts.h"\r |
19 | #include "../common/emu.h"\r |
74f5e726 |
20 | #include "../common/menu.h"\r |
e55f0cbb |
21 | #include "../common/config.h"\r |
b6820926 |
22 | #include "../common/input.h"\r |
e5ab6faf |
23 | #include "../linux/sndout_oss.h"\r |
3bb7bd19 |
24 | #include "asm_utils.h"\r |
e55f0cbb |
25 | \r |
efcba75f |
26 | #include <pico/pico_int.h>\r |
27 | #include <pico/patch.h>\r |
28 | #include <pico/sound/mix.h>\r |
e55f0cbb |
29 | #include <zlib/zlib.h>\r |
30 | \r |
31 | //#define PFRAMES\r |
3bb7bd19 |
32 | #define BENCHMARK\r |
33 | //#define USE_320_SCREEN 1\r |
e55f0cbb |
34 | \r |
35 | #ifdef BENCHMARK\r |
36 | #define OSD_FPS_X (800-200)\r |
37 | #else\r |
38 | #define OSD_FPS_X (800-120)\r |
39 | #endif\r |
40 | \r |
41 | \r |
e55f0cbb |
42 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r |
43 | static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r |
44 | static int osd_fps_x;\r |
e55f0cbb |
45 | unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r |
46 | int reset_timing = 0;\r |
47 | \r |
48 | #define PICO_PEN_ADJUST_X 4\r |
49 | #define PICO_PEN_ADJUST_Y 2\r |
e2de9939 |
50 | static int pico_pen_x = 0, pico_pen_y = 240/2;\r |
e55f0cbb |
51 | \r |
52 | static void emu_msg_cb(const char *msg);\r |
53 | static void emu_msg_tray_open(void);\r |
54 | \r |
55 | \r |
d34a42f9 |
56 | void plat_status_msg(const char *format, ...)\r |
e55f0cbb |
57 | {\r |
d34a42f9 |
58 | va_list vl;\r |
59 | \r |
60 | va_start(vl, format);\r |
61 | vsnprintf(noticeMsg, sizeof(noticeMsg), fmt, vl);\r |
62 | va_end(vl);\r |
63 | \r |
e55f0cbb |
64 | gettimeofday(¬iceMsgTime, 0);\r |
65 | }\r |
66 | \r |
ca482e5d |
67 | int emu_getMainDir(char *dst, int len)\r |
e55f0cbb |
68 | {\r |
69 | extern char **g_argv;\r |
70 | int j;\r |
71 | \r |
72 | strncpy(dst, g_argv[0], len);\r |
73 | len -= 32; // reserve\r |
74 | if (len < 0) len = 0;\r |
75 | dst[len] = 0;\r |
76 | for (j = strlen(dst); j > 0; j--)\r |
77 | if (dst[j] == '/') { dst[j+1] = 0; break; }\r |
ca482e5d |
78 | \r |
79 | return j + 1;\r |
e55f0cbb |
80 | }\r |
81 | \r |
82 | void emu_Init(void)\r |
83 | {\r |
84 | // make temp buffer for alt renderer\r |
85 | PicoDraw2FB = malloc((8+320)*(8+240+8));\r |
86 | if (!PicoDraw2FB)\r |
87 | {\r |
88 | printf("PicoDraw2FB == 0\n");\r |
89 | }\r |
90 | \r |
91 | // make dirs for saves, cfgs, etc.\r |
92 | mkdir("mds", 0777);\r |
93 | mkdir("srm", 0777);\r |
94 | mkdir("brm", 0777);\r |
95 | mkdir("cfg", 0777);\r |
96 | \r |
97 | PicoInit();\r |
98 | PicoMessage = emu_msg_cb;\r |
99 | PicoMCDopenTray = emu_msg_tray_open;\r |
100 | PicoMCDcloseTray = menu_loop_tray;\r |
101 | }\r |
102 | \r |
103 | \r |
e55f0cbb |
104 | void emu_Deinit(void)\r |
105 | {\r |
106 | // save SRAM\r |
107 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
108 | emu_SaveLoadGame(0, 1);\r |
109 | SRam.changed = 0;\r |
110 | }\r |
111 | \r |
112 | if (!(currentConfig.EmuOpt & 0x20)) {\r |
113 | config_writelrom(PicoConfigFile);\r |
114 | #ifndef NO_SYNC\r |
115 | sync();\r |
116 | #endif\r |
117 | }\r |
118 | \r |
119 | free(PicoDraw2FB);\r |
120 | \r |
121 | PicoExit();\r |
122 | }\r |
123 | \r |
124 | void emu_prepareDefaultConfig(void)\r |
125 | {\r |
126 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
84100c0f |
127 | defaultConfig.EmuOpt = 0x8f | 0x00600; // | <- confirm_save, cd_leds\r |
3bb7bd19 |
128 | defaultConfig.s_PicoOpt = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC;\r |
129 | defaultConfig.s_PicoOpt |= POPT_ACC_SPRITES|POPT_EN_MCD_GFX;\r |
84100c0f |
130 | defaultConfig.EmuOpt &= ~8; // no save gzip\r |
e55f0cbb |
131 | defaultConfig.s_PsndRate = 44100;\r |
84100c0f |
132 | defaultConfig.s_PicoRegion = 0;\r |
e55f0cbb |
133 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
134 | defaultConfig.s_PicoCDBuffers = 0;\r |
3bb7bd19 |
135 | defaultConfig.Frameskip = 0;\r |
e55f0cbb |
136 | defaultConfig.CPUclock = 200;\r |
137 | defaultConfig.volume = 50;\r |
138 | defaultConfig.scaling = 0;\r |
139 | defaultConfig.turbo_rate = 15;\r |
140 | }\r |
141 | \r |
e55f0cbb |
142 | static void textOut16(int x, int y, const char *text)\r |
143 | {\r |
144 | int i,l,len=strlen(text);\r |
e2de9939 |
145 | unsigned int *screen = (unsigned int *)((unsigned short *)g_screen_ptr + (x&~1) + y*g_screen_width);\r |
e55f0cbb |
146 | \r |
147 | for (i = 0; i < len; i++)\r |
148 | {\r |
3bb7bd19 |
149 | for (l=0;l<16;)\r |
e55f0cbb |
150 | {\r |
151 | unsigned char fd = fontdata8x8[((text[i])*8)+l/2];\r |
e2de9939 |
152 | unsigned int *d = &screen[l*g_screen_width/2];\r |
3bb7bd19 |
153 | if (fd&0x80) d[0]=0xffffffff;\r |
154 | if (fd&0x40) d[1]=0xffffffff;\r |
155 | if (fd&0x20) d[2]=0xffffffff;\r |
156 | if (fd&0x10) d[3]=0xffffffff;\r |
157 | if (fd&0x08) d[4]=0xffffffff;\r |
158 | if (fd&0x04) d[5]=0xffffffff;\r |
159 | if (fd&0x02) d[6]=0xffffffff;\r |
160 | if (fd&0x01) d[7]=0xffffffff;\r |
e2de9939 |
161 | l++; d = &screen[l*g_screen_width/2];\r |
3bb7bd19 |
162 | if (fd&0x80) d[0]=0xffffffff;\r |
163 | if (fd&0x40) d[1]=0xffffffff;\r |
164 | if (fd&0x20) d[2]=0xffffffff;\r |
165 | if (fd&0x10) d[3]=0xffffffff;\r |
166 | if (fd&0x08) d[4]=0xffffffff;\r |
167 | if (fd&0x04) d[5]=0xffffffff;\r |
168 | if (fd&0x02) d[6]=0xffffffff;\r |
169 | if (fd&0x01) d[7]=0xffffffff;\r |
170 | l++;\r |
e55f0cbb |
171 | }\r |
172 | screen += 8;\r |
173 | }\r |
174 | }\r |
175 | \r |
176 | \r |
bcd94522 |
177 | static void osd_text(int x, int y, const char *text)\r |
e55f0cbb |
178 | {\r |
179 | int len = strlen(text)*8;\r |
180 | \r |
181 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
182 | int *p, i, h;\r |
183 | x &= ~3; // align x\r |
184 | len = (len+3) >> 2;\r |
185 | for (h = 0; h < 8; h++) {\r |
74f5e726 |
186 | p = (int *) ((unsigned char *) g_screen_ptr+x+g_screen_width*(y+h));\r |
e55f0cbb |
187 | for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r |
188 | }\r |
189 | emu_textOut8(x, y, text);\r |
190 | } else {\r |
191 | int *p, i, h;\r |
192 | x &= ~1; // align x\r |
193 | len++;\r |
194 | for (h = 0; h < 16; h++) {\r |
74f5e726 |
195 | p = (int *) ((unsigned short *) g_screen_ptr+x+g_screen_width*(y+h));\r |
3bb7bd19 |
196 | for (i = len; i; i--, p++) *p = 0;//(*p>>2)&0x39e7;\r |
e55f0cbb |
197 | }\r |
198 | textOut16(x, y, text);\r |
199 | }\r |
200 | }\r |
201 | \r |
202 | static void draw_cd_leds(void)\r |
203 | {\r |
204 | // static\r |
205 | int old_reg;\r |
206 | // if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r |
207 | old_reg = Pico_mcd->s68k_regs[0];\r |
208 | \r |
209 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
210 | // 8-bit modes\r |
211 | unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
212 | unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
74f5e726 |
213 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =\r |
214 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =\r |
215 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;\r |
216 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =\r |
217 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =\r |
218 | *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;\r |
e55f0cbb |
219 | } else {\r |
220 | // 16-bit modes\r |
74f5e726 |
221 | unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);\r |
e55f0cbb |
222 | unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r |
223 | unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r |
e2de9939 |
224 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r |
225 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r |
e55f0cbb |
226 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r |
227 | }\r |
228 | }\r |
229 | \r |
230 | static void draw_pico_ptr(void)\r |
231 | {\r |
74f5e726 |
232 | unsigned short *p = (unsigned short *)g_screen_ptr;\r |
e55f0cbb |
233 | \r |
234 | // only if pen enabled and for 16bit modes\r |
235 | if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r |
236 | \r |
237 | if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r |
238 | p += 32;\r |
239 | \r |
e2de9939 |
240 | p += g_screen_width * (pico_pen_y + PICO_PEN_ADJUST_Y);\r |
e55f0cbb |
241 | p += pico_pen_x + PICO_PEN_ADJUST_X;\r |
242 | p[0] ^= 0xffff;\r |
243 | p[319] ^= 0xffff;\r |
244 | p[320] ^= 0xffff;\r |
245 | p[321] ^= 0xffff;\r |
246 | p[640] ^= 0xffff;\r |
247 | }\r |
248 | \r |
3bb7bd19 |
249 | #ifdef USE_320_SCREEN\r |
250 | \r |
251 | static int EmuScanBegin16(unsigned int num)\r |
252 | {\r |
253 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
74f5e726 |
254 | DrawLineDest = (unsigned short *)g_screen_ptr + num*800 + 800/2 - 320/2;\r |
3bb7bd19 |
255 | //int w = (Pico.video.reg[12]&1) ? 320 : 256;\r |
74f5e726 |
256 | //DrawLineDest = (unsigned short *)g_screen_ptr + num*w;\r |
3bb7bd19 |
257 | \r |
258 | return 0;\r |
259 | }\r |
260 | \r |
261 | #else // USE_320_SCREEN\r |
262 | \r |
e55f0cbb |
263 | static int EmuScanEnd16(unsigned int num)\r |
264 | {\r |
265 | unsigned char *ps=HighCol+8;\r |
266 | unsigned short *pd;\r |
267 | unsigned short *pal=HighPal;\r |
268 | int sh = Pico.video.reg[0xC]&8;\r |
269 | int len, mask = 0xff;\r |
270 | \r |
271 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
74f5e726 |
272 | pd=(unsigned short *)g_screen_ptr + num*800*2 + 800/2 - 320*2/2;\r |
e55f0cbb |
273 | \r |
274 | if (Pico.m.dirtyPal)\r |
275 | PicoDoHighPal555(sh);\r |
276 | \r |
277 | if (Pico.video.reg[12]&1) {\r |
278 | len = 320;\r |
279 | } else {\r |
3bb7bd19 |
280 | pd += 32*2;\r |
e55f0cbb |
281 | len = 256;\r |
282 | }\r |
283 | \r |
efcba75f |
284 | if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI))\r |
285 | mask=0x3f; // messed sprites, upper bits are priority stuff\r |
e55f0cbb |
286 | \r |
3bb7bd19 |
287 | #if 1\r |
288 | clut_line(pd, ps, pal, (mask<<16) | len);\r |
289 | #else\r |
e55f0cbb |
290 | for (; len > 0; len--)\r |
291 | {\r |
292 | unsigned int p = pal[*ps++ & mask];\r |
293 | p |= p << 16;\r |
294 | *(unsigned int *)pd = p;\r |
295 | *(unsigned int *)(&pd[800]) = p;\r |
296 | pd += 2;\r |
297 | }\r |
3bb7bd19 |
298 | #endif\r |
e55f0cbb |
299 | \r |
300 | return 0;\r |
301 | }\r |
302 | \r |
3bb7bd19 |
303 | #endif // USE_320_SCREEN\r |
304 | \r |
e55f0cbb |
305 | int localPal[0x100];\r |
306 | static void (*vidCpyM2)(void *dest, void *src) = NULL;\r |
307 | \r |
308 | static void blit(const char *fps, const char *notice)\r |
309 | {\r |
310 | int emu_opt = currentConfig.EmuOpt;\r |
311 | \r |
312 | if (PicoOpt&0x10)\r |
313 | {\r |
314 | // 8bit fast renderer\r |
315 | if (Pico.m.dirtyPal) {\r |
316 | Pico.m.dirtyPal = 0;\r |
317 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
318 | // feed new palette to our device\r |
74f5e726 |
319 | // gp2x_video_setpalette(localPal, 0x40);\r |
e55f0cbb |
320 | }\r |
321 | // a hack for VR\r |
322 | if (PicoRead16Hook == PicoSVPRead16)\r |
323 | memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r |
324 | // do actual copy\r |
74f5e726 |
325 | vidCpyM2((unsigned char *)g_screen_ptr+g_screen_width*8, PicoDraw2FB+328*8);\r |
e55f0cbb |
326 | }\r |
327 | else if (!(emu_opt&0x80))\r |
328 | {\r |
329 | // 8bit accurate renderer\r |
330 | if (Pico.m.dirtyPal)\r |
331 | {\r |
f8af9634 |
332 | int pallen = 0xc0;\r |
e55f0cbb |
333 | Pico.m.dirtyPal = 0;\r |
334 | if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r |
335 | {\r |
336 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
337 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
338 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
339 | memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r |
340 | pallen = 0x100;\r |
341 | }\r |
e55f0cbb |
342 | else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r |
343 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
344 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
345 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
346 | pallen = 0xc0;\r |
347 | }\r |
348 | else {\r |
349 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
f8af9634 |
350 | memcpy32(localPal+0x80, localPal, 0x40);\r |
e55f0cbb |
351 | }\r |
352 | if (pallen > 0xc0) {\r |
353 | localPal[0xc0] = 0x0000c000;\r |
354 | localPal[0xd0] = 0x00c00000;\r |
355 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
356 | localPal[0xf0] = 0x00ffffff;\r |
357 | }\r |
74f5e726 |
358 | // gp2x_video_setpalette(localPal, pallen);\r |
e55f0cbb |
359 | }\r |
360 | }\r |
361 | \r |
362 | if (notice || (emu_opt & 2)) {\r |
e2de9939 |
363 | int h = g_screen_height-16;\r |
e55f0cbb |
364 | if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 16;\r |
365 | if (notice) osd_text(4, h, notice);\r |
366 | if (emu_opt & 2)\r |
3bb7bd19 |
367 | osd_text(osd_fps_x, h, fps);\r |
e55f0cbb |
368 | }\r |
369 | if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r |
370 | draw_cd_leds();\r |
371 | if (PicoAHW & PAHW_PICO)\r |
372 | draw_pico_ptr();\r |
e55f0cbb |
373 | \r |
374 | //gp2x_video_wait_vsync();\r |
74f5e726 |
375 | // gp2x_video_flip();\r |
e55f0cbb |
376 | }\r |
377 | \r |
378 | \r |
379 | // clears whole screen or just the notice area (in all buffers)\r |
380 | static void clearArea(int full)\r |
381 | {\r |
74f5e726 |
382 | if (full) memset(g_screen_ptr, 0, g_screen_width*g_screen_height*2);\r |
383 | else memset((short *)g_screen_ptr + g_screen_width * (g_screen_height - 16), 0,\r |
384 | g_screen_width * 16 * 2);\r |
e55f0cbb |
385 | }\r |
386 | \r |
387 | \r |
388 | static void vidResetMode(void)\r |
389 | {\r |
74f5e726 |
390 | #if 0\r |
e55f0cbb |
391 | if (PicoOpt&0x10) {\r |
392 | gp2x_video_changemode(8);\r |
393 | } else if (currentConfig.EmuOpt&0x80) {\r |
394 | gp2x_video_changemode(16);\r |
3bb7bd19 |
395 | #ifdef USE_320_SCREEN\r |
396 | PicoDrawSetColorFormat(1);\r |
397 | PicoScanBegin = EmuScanBegin16;\r |
398 | #else\r |
e55f0cbb |
399 | PicoDrawSetColorFormat(-1);\r |
400 | PicoScanEnd = EmuScanEnd16;\r |
3bb7bd19 |
401 | #endif\r |
e55f0cbb |
402 | } else {\r |
403 | gp2x_video_changemode(8);\r |
404 | PicoDrawSetColorFormat(2);\r |
405 | PicoScanBegin = EmuScanBegin8;\r |
406 | }\r |
407 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
408 | // setup pal for 8-bit modes\r |
409 | localPal[0xc0] = 0x0000c000; // MCD LEDs\r |
410 | localPal[0xd0] = 0x00c00000;\r |
411 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
412 | localPal[0xf0] = 0x00ffffff;\r |
413 | gp2x_video_setpalette(localPal, 0x100);\r |
414 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
415 | gp2x_video_flip();\r |
416 | }\r |
417 | Pico.m.dirtyPal = 1;\r |
418 | // reset scaling\r |
419 | if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r |
420 | gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r |
421 | else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
74f5e726 |
422 | #else\r |
423 | #ifdef USE_320_SCREEN\r |
424 | PicoDrawSetColorFormat(1);\r |
425 | PicoScanBegin = EmuScanBegin16;\r |
426 | #else\r |
427 | PicoDrawSetColorFormat(-1);\r |
428 | PicoScanEnd = EmuScanEnd16;\r |
429 | #endif\r |
430 | #endif\r |
e55f0cbb |
431 | }\r |
432 | \r |
433 | \r |
434 | static void emu_msg_cb(const char *msg)\r |
435 | {\r |
74f5e726 |
436 | /*\r |
e55f0cbb |
437 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
438 | // 8-bit renderers\r |
e2de9939 |
439 | gp2x_memset_all_buffers(g_screen_width*(g_screen_height-16), 0xe0, g_screen_width*16);\r |
440 | osd_text(4, g_screen_height-16, msg);\r |
74f5e726 |
441 | gp2x_memcpy_all_buffers((char *)g_screen_ptr+g_screen_width*(g_screen_height-16),\r |
e2de9939 |
442 | g_screen_width*(g_screen_height-16), g_screen_width*16);\r |
e55f0cbb |
443 | } else {\r |
444 | // 16bit accurate renderer\r |
e2de9939 |
445 | gp2x_memset_all_buffers(g_screen_width*(g_screen_height-16)*2, 0, g_screen_width*16*2);\r |
446 | osd_text(4, g_screen_height-16, msg);\r |
74f5e726 |
447 | gp2x_memcpy_all_buffers((char *)g_screen_ptr+g_screen_width*(g_screen_height-16)*2,\r |
e2de9939 |
448 | g_screen_width*(g_screen_height-16)*2, g_screen_width*16*2);\r |
e55f0cbb |
449 | }\r |
450 | gettimeofday(¬iceMsgTime, 0);\r |
451 | noticeMsgTime.tv_sec -= 2;\r |
74f5e726 |
452 | */\r |
e55f0cbb |
453 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r |
454 | reset_timing = 1;\r |
455 | }\r |
456 | \r |
457 | static void emu_state_cb(const char *str)\r |
458 | {\r |
459 | clearArea(0);\r |
460 | blit("", str);\r |
461 | }\r |
462 | \r |
463 | static void emu_msg_tray_open(void)\r |
464 | {\r |
465 | strcpy(noticeMsg, "CD tray opened");\r |
466 | gettimeofday(¬iceMsgTime, 0);\r |
467 | }\r |
468 | \r |
e55f0cbb |
469 | \r |
470 | static void update_volume(int has_changed, int is_up)\r |
471 | {\r |
472 | static int prev_frame = 0, wait_frames = 0;\r |
473 | int vol = currentConfig.volume;\r |
474 | \r |
475 | if (has_changed)\r |
476 | {\r |
477 | if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r |
478 | wait_frames++;\r |
479 | else {\r |
480 | if (is_up) {\r |
481 | if (vol < 99) vol++;\r |
482 | } else {\r |
483 | if (vol > 0) vol--;\r |
484 | }\r |
485 | wait_frames = 0;\r |
e5ab6faf |
486 | sndout_oss_setvol(vol, vol);\r |
e55f0cbb |
487 | currentConfig.volume = vol;\r |
488 | }\r |
489 | sprintf(noticeMsg, "VOL: %02i", vol);\r |
490 | gettimeofday(¬iceMsgTime, 0);\r |
491 | prev_frame = Pico.m.frame_count;\r |
492 | }\r |
493 | \r |
494 | // set the right mixer func\r |
495 | if (!(PicoOpt&8)) return; // just use defaults for mono\r |
496 | if (vol >= 5)\r |
497 | PsndMix_32_to_16l = mix_32_to_16l_stereo;\r |
498 | else {\r |
499 | mix_32_to_16l_level = 5 - vol;\r |
500 | PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r |
501 | }\r |
502 | }\r |
503 | \r |
e55f0cbb |
504 | \r |
505 | static void updateSound(int len)\r |
506 | {\r |
507 | if (PicoOpt&8) len<<=1;\r |
508 | \r |
509 | /* avoid writing audio when lagging behind to prevent audio lag */\r |
510 | if (PicoSkipFrame != 2)\r |
e5ab6faf |
511 | sndout_oss_write(PsndOut, len<<1);\r |
e55f0cbb |
512 | }\r |
513 | \r |
514 | \r |
515 | static void SkipFrame(int do_audio)\r |
516 | {\r |
517 | PicoSkipFrame=do_audio ? 1 : 2;\r |
518 | PicoFrame();\r |
519 | PicoSkipFrame=0;\r |
520 | }\r |
521 | \r |
522 | \r |
523 | void emu_forcedFrame(int opts)\r |
524 | {\r |
525 | int po_old = PicoOpt;\r |
526 | int eo_old = currentConfig.EmuOpt;\r |
527 | \r |
528 | PicoOpt &= ~0x10;\r |
529 | PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r |
530 | currentConfig.EmuOpt |= 0x80;\r |
531 | \r |
532 | //vidResetMode();\r |
3bb7bd19 |
533 | #ifdef USE_320_SCREEN\r |
534 | PicoDrawSetColorFormat(1);\r |
535 | PicoScanBegin = EmuScanBegin16;\r |
536 | #else\r |
e55f0cbb |
537 | PicoDrawSetColorFormat(-1);\r |
538 | PicoScanEnd = EmuScanEnd16;\r |
3bb7bd19 |
539 | #endif\r |
e55f0cbb |
540 | Pico.m.dirtyPal = 1;\r |
541 | PicoFrameDrawOnly();\r |
542 | \r |
543 | /*\r |
544 | if (!(Pico.video.reg[12]&1)) {\r |
545 | vidCpyM2 = vidCpyM2_32col;\r |
546 | clearArea(1);\r |
547 | } else vidCpyM2 = vidCpyM2_40col;\r |
548 | \r |
74f5e726 |
549 | vidCpyM2((unsigned char *)g_screen_ptr+g_screen_width*8, PicoDraw2FB+328*8);\r |
e55f0cbb |
550 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
551 | gp2x_video_setpalette(localPal, 0x40);\r |
552 | */\r |
553 | PicoOpt = po_old;\r |
554 | currentConfig.EmuOpt = eo_old;\r |
555 | }\r |
556 | \r |
efcba75f |
557 | void emu_platformDebugCat(char *str)\r |
558 | {\r |
559 | // nothing\r |
560 | }\r |
561 | \r |
e55f0cbb |
562 | static void simpleWait(int thissec, int lim_time)\r |
563 | {\r |
564 | struct timeval tval;\r |
565 | \r |
566 | spend_cycles(1024);\r |
567 | gettimeofday(&tval, 0);\r |
568 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
569 | \r |
570 | while (tval.tv_usec < lim_time)\r |
571 | {\r |
572 | spend_cycles(1024);\r |
573 | gettimeofday(&tval, 0);\r |
574 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
575 | }\r |
576 | }\r |
577 | \r |
b6820926 |
578 | void emu_startSound(void)\r |
579 | {\r |
580 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r |
581 | int target_fps = Pico.m.pal ? 50 : 60;\r |
582 | \r |
583 | PsndOut = NULL;\r |
584 | \r |
585 | if (currentConfig.EmuOpt & 4)\r |
586 | {\r |
587 | int snd_excess_add;\r |
588 | if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old)\r |
589 | PsndRerate(Pico.m.frame_count ? 1 : 0);\r |
590 | \r |
591 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
592 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r |
593 | PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r |
594 | sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r |
595 | sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r |
596 | PicoWriteSound = updateSound;\r |
597 | update_volume(0, 0);\r |
598 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
599 | PsndOut = sndBuffer;\r |
600 | PsndRate_old = PsndRate;\r |
601 | PicoOpt_old = PicoOpt;\r |
602 | pal_old = Pico.m.pal;\r |
603 | }\r |
604 | }\r |
605 | \r |
606 | void emu_endSound(void)\r |
607 | {\r |
608 | }\r |
609 | \r |
610 | /* wait until we can write more sound */\r |
611 | void emu_waitSound(void)\r |
612 | {\r |
613 | // don't need to do anything, writes will block by themselves\r |
614 | }\r |
e55f0cbb |
615 | \r |
616 | void emu_Loop(void)\r |
617 | {\r |
e55f0cbb |
618 | char fpsbuff[24]; // fps count c string\r |
619 | struct timeval tval; // timing\r |
620 | int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r |
621 | int frames_done, frames_shown, thissec; // actual frames\r |
622 | int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r |
623 | char *notice = 0;\r |
624 | \r |
625 | printf("entered emu_Loop()\n");\r |
626 | \r |
627 | fpsbuff[0] = 0;\r |
628 | \r |
629 | // make sure we are in correct mode\r |
630 | vidResetMode();\r |
e55f0cbb |
631 | Pico.m.dirtyPal = 1;\r |
632 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
e55f0cbb |
633 | \r |
634 | // pal/ntsc might have changed, reset related stuff\r |
635 | target_fps = Pico.m.pal ? 50 : 60;\r |
636 | target_frametime = 1000000/target_fps;\r |
637 | reset_timing = 1;\r |
638 | \r |
b6820926 |
639 | emu_startSound();\r |
e55f0cbb |
640 | \r |
641 | // prepare CD buffer\r |
642 | if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r |
643 | \r |
644 | // calc vsync offset to sync timing code with vsync\r |
645 | if (currentConfig.EmuOpt&0x2000) {\r |
646 | gettimeofday(&tval, 0);\r |
74f5e726 |
647 | //gp2x_video_wait_vsync();\r |
e55f0cbb |
648 | gettimeofday(&tval, 0);\r |
649 | vsync_offset = tval.tv_usec;\r |
650 | while (vsync_offset >= target_frametime)\r |
651 | vsync_offset -= target_frametime;\r |
652 | if (!vsync_offset) vsync_offset++;\r |
653 | printf("vsync_offset: %i\n", vsync_offset);\r |
654 | } else\r |
655 | vsync_offset = 0;\r |
656 | \r |
657 | frames_done = frames_shown = thissec =\r |
658 | pframes_done = pframes_shown = pthissec = 0;\r |
659 | \r |
660 | // loop\r |
661 | while (engineState == PGS_Running)\r |
662 | {\r |
663 | int modes;\r |
664 | \r |
665 | gettimeofday(&tval, 0);\r |
666 | if (reset_timing) {\r |
667 | reset_timing = 0;\r |
668 | pthissec = tval.tv_sec;\r |
669 | pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r |
670 | }\r |
671 | \r |
672 | // show notice message?\r |
673 | if (noticeMsgTime.tv_sec)\r |
674 | {\r |
675 | static int noticeMsgSum;\r |
676 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
677 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
678 | clearArea(0);\r |
679 | notice = 0;\r |
680 | } else {\r |
681 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
682 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
683 | notice = noticeMsg;\r |
684 | }\r |
685 | }\r |
686 | \r |
687 | // check for mode changes\r |
688 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
689 | if (modes != oldmodes)\r |
690 | {\r |
e2de9939 |
691 | int scalex = g_screen_width;\r |
e55f0cbb |
692 | osd_fps_x = OSD_FPS_X;\r |
693 | if (modes & 4) {\r |
694 | vidCpyM2 = vidCpyM2_40col;\r |
695 | } else {\r |
696 | if (PicoOpt & 0x100) {\r |
697 | vidCpyM2 = vidCpyM2_32col_nobord;\r |
698 | scalex = 256;\r |
699 | osd_fps_x = OSD_FPS_X - 64;\r |
700 | } else {\r |
701 | vidCpyM2 = vidCpyM2_32col;\r |
702 | }\r |
703 | }\r |
74f5e726 |
704 | //if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r |
705 | // gp2x_video_RGB_setscaling(8, scalex, 224);\r |
706 | // else gp2x_video_RGB_setscaling(0, scalex, 240);\r |
e55f0cbb |
707 | oldmodes = modes;\r |
708 | clearArea(1);\r |
709 | }\r |
710 | \r |
711 | // second changed?\r |
712 | if (thissec != tval.tv_sec)\r |
713 | {\r |
714 | #ifdef BENCHMARK\r |
715 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
3bb7bd19 |
716 | if (++bench == 4) {\r |
e55f0cbb |
717 | bench = 0;\r |
3bb7bd19 |
718 | bench_fps_s = bench_fps / 4;\r |
719 | bf[bfp++ & 3] = bench_fps / 4;\r |
e55f0cbb |
720 | bench_fps = 0;\r |
721 | }\r |
722 | bench_fps += frames_shown;\r |
3bb7bd19 |
723 | sprintf(fpsbuff, "%3i/%3i/%3i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
84100c0f |
724 | printf("%s\n", fpsbuff);\r |
e55f0cbb |
725 | #else\r |
726 | if (currentConfig.EmuOpt & 2) {\r |
3bb7bd19 |
727 | sprintf(fpsbuff, "%3i/%3i", frames_shown, frames_done);\r |
e55f0cbb |
728 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
729 | }\r |
730 | #endif\r |
731 | frames_shown = frames_done = 0;\r |
732 | thissec = tval.tv_sec;\r |
733 | }\r |
734 | #ifdef PFRAMES\r |
735 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
736 | #endif\r |
737 | \r |
738 | if (pthissec != tval.tv_sec)\r |
739 | {\r |
740 | if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
741 | pframes_done = pframes_shown = 0;\r |
742 | } else {\r |
743 | // it is quite common for this implementation to leave 1 fame unfinished\r |
744 | // when second changes, but we don't want buffer to starve.\r |
745 | if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r |
d34a42f9 |
746 | emu_update_input();\r |
e55f0cbb |
747 | SkipFrame(1); pframes_done++;\r |
748 | }\r |
749 | \r |
750 | pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r |
751 | pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r |
752 | if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r |
753 | }\r |
754 | pthissec = tval.tv_sec;\r |
755 | }\r |
756 | \r |
757 | lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r |
758 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
759 | {\r |
760 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
d34a42f9 |
761 | emu_update_input();\r |
e55f0cbb |
762 | SkipFrame(1); pframes_done++; frames_done++;\r |
763 | if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r |
764 | gettimeofday(&tval, 0);\r |
765 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
766 | if (tval.tv_usec < lim_time) { // we are too fast\r |
767 | simpleWait(pthissec, lim_time);\r |
768 | }\r |
769 | }\r |
770 | lim_time += target_frametime;\r |
771 | }\r |
772 | }\r |
773 | else if (tval.tv_usec > lim_time) // auto frameskip\r |
774 | {\r |
775 | // no time left for this frame - skip\r |
776 | if (tval.tv_usec - lim_time >= 300000) {\r |
777 | /* something caused a slowdown for us (disk access? cache flush?)\r |
778 | * try to recover by resetting timing... */\r |
779 | reset_timing = 1;\r |
780 | continue;\r |
781 | }\r |
d34a42f9 |
782 | emu_update_input();\r |
e55f0cbb |
783 | SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r |
784 | continue;\r |
785 | }\r |
786 | \r |
d34a42f9 |
787 | emu_update_input();\r |
e55f0cbb |
788 | PicoFrame();\r |
789 | \r |
790 | // check time\r |
791 | gettimeofday(&tval, 0);\r |
792 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
793 | \r |
794 | if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r |
795 | reset_timing = 1;\r |
16b0afd0 |
796 | #if 1\r |
797 | else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r |
e55f0cbb |
798 | {\r |
799 | // sleep or vsync if we are still too fast\r |
800 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
801 | if (!reset_timing && tval.tv_usec < lim_time)\r |
802 | {\r |
803 | // we are too fast\r |
804 | if (vsync_offset) {\r |
805 | if (lim_time - tval.tv_usec > target_frametime/2)\r |
806 | simpleWait(pthissec, lim_time - target_frametime/4);\r |
74f5e726 |
807 | // gp2x_video_wait_vsync();\r |
e55f0cbb |
808 | } else {\r |
809 | simpleWait(pthissec, lim_time);\r |
810 | }\r |
811 | }\r |
812 | }\r |
16b0afd0 |
813 | #endif\r |
e55f0cbb |
814 | blit(fpsbuff, notice);\r |
815 | \r |
816 | pframes_done++; pframes_shown++;\r |
817 | frames_done++; frames_shown++;\r |
818 | }\r |
819 | \r |
820 | emu_changeFastForward(0);\r |
821 | \r |
822 | if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r |
823 | \r |
824 | // save SRAM\r |
825 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
826 | emu_state_cb("Writing SRAM/BRAM..");\r |
827 | emu_SaveLoadGame(0, 1);\r |
828 | SRam.changed = 0;\r |
829 | }\r |
830 | \r |
831 | // if in 8bit mode, generate 16bit image for menu background\r |
832 | if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r |
833 | emu_forcedFrame(POPT_EN_SOFTSCALE);\r |
834 | }\r |
835 | \r |
836 | \r |
837 | void emu_ResetGame(void)\r |
838 | {\r |
839 | PicoReset();\r |
840 | reset_timing = 1;\r |
841 | }\r |
842 | \r |