notaz.gp2x.de / libpicofe.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
more input wip
[libpicofe.git] / pandora / emu.c
CommitLineData
de9b1274 1// (c) Copyright 2006-2008 notaz, All rights reserved.\r
492d353a 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
492d353a 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
b3972d82 24#include "../linux/usbjoy.h"\r
25#include "../linux/sndout_oss.h"\r
de9b1274 26#include "asm_utils.h"\r
492d353a 27\r
f11bad75 28#include <pico/pico_int.h>\r
29#include <pico/patch.h>\r
30#include <pico/sound/mix.h>\r
492d353a 31#include <zlib/zlib.h>\r
32\r
33//#define PFRAMES\r
de9b1274 34#define BENCHMARK\r
35//#define USE_320_SCREEN 1\r
492d353a 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
44int engineState;\r
45int select_exits = 0;\r
46\r
47char romFileName[PATH_MAX];\r
48\r
49static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
50static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
51static int osd_fps_x;\r
492d353a 52unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r
53int reset_timing = 0;\r
54\r
55#define PICO_PEN_ADJUST_X 4\r
56#define PICO_PEN_ADJUST_Y 2\r
57static int pico_pen_x = SCREEN_WIDTH/2, pico_pen_y = 240/2;\r
58\r
59static void emu_msg_cb(const char *msg);\r
60static void emu_msg_tray_open(void);\r
61\r
62\r
63void emu_noticeMsgUpdated(void)\r
64{\r
65 gettimeofday(&noticeMsgTime, 0);\r
66}\r
67\r
36f6fd5a 68int emu_getMainDir(char *dst, int len)\r
492d353a 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
36f6fd5a 79\r
80 return j + 1;\r
492d353a 81}\r
82\r
83void 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
492d353a 105void 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
125void emu_prepareDefaultConfig(void)\r
126{\r
127 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
5d239ae7 128 defaultConfig.EmuOpt = 0x8f | 0x00600; // | <- confirm_save, cd_leds\r
de9b1274 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
095a240b 131// defaultConfig.s_PicoOpt &= ~POPT_EN_SVP_DRC; // crashes :(\r
5d239ae7 132 defaultConfig.EmuOpt &= ~8; // no save gzip\r
492d353a 133 defaultConfig.s_PsndRate = 44100;\r
5d239ae7 134 defaultConfig.s_PicoRegion = 0;\r
492d353a 135 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
136 defaultConfig.s_PicoCDBuffers = 0;\r
de9b1274 137 defaultConfig.Frameskip = 0;\r
492d353a 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
492d353a 144static 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
de9b1274 151 for (l=0;l<16;)\r
492d353a 152 {\r
153 unsigned char fd = fontdata8x8[((text[i])*8)+l/2];\r
de9b1274 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
492d353a 173 }\r
174 screen += 8;\r
175 }\r
176}\r
177\r
178\r
179void 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
de9b1274 198 for (i = len; i; i--, p++) *p = 0;//(*p>>2)&0x39e7;\r
492d353a 199 }\r
200 textOut16(x, y, text);\r
201 }\r
202}\r
203\r
204static 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
232static 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
de9b1274 251#ifdef USE_320_SCREEN\r
252\r
253static 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
492d353a 265static 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
de9b1274 282 pd += 32*2;\r
492d353a 283 len = 256;\r
284 }\r
285\r
f11bad75 286 if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI))\r
287 mask=0x3f; // messed sprites, upper bits are priority stuff\r
492d353a 288\r
de9b1274 289#if 1\r
290 clut_line(pd, ps, pal, (mask<<16) | len);\r
291#else\r
492d353a 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
de9b1274 300#endif\r
492d353a 301\r
302 return 0;\r
303}\r
304\r
de9b1274 305#endif // USE_320_SCREEN\r
306\r
492d353a 307static 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
315int localPal[0x100];\r
316static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
317\r
318static 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
61f66fe0 342 int pallen = 0xc0;\r
492d353a 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
492d353a 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
61f66fe0 360 memcpy32(localPal+0x80, localPal, 0x40);\r
492d353a 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
de9b1274 377 osd_text(osd_fps_x, h, fps);\r
492d353a 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
394static 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
408static 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
de9b1274 414#ifdef USE_320_SCREEN\r
415 PicoDrawSetColorFormat(1);\r
416 PicoScanBegin = EmuScanBegin16;\r
417#else\r
492d353a 418 PicoDrawSetColorFormat(-1);\r
419 PicoScanEnd = EmuScanEnd16;\r
de9b1274 420#endif\r
492d353a 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
444static 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(&noticeMsgTime, 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
466static void emu_state_cb(const char *str)\r
467{\r
468 clearArea(0);\r
469 blit("", str);\r
470}\r
471\r
472static void emu_msg_tray_open(void)\r
473{\r
474 strcpy(noticeMsg, "CD tray opened");\r
475 gettimeofday(&noticeMsgTime, 0);\r
476}\r
477\r
478static 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
530static 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
b3972d82 546 sndout_oss_setvol(vol, vol);\r
492d353a 547 currentConfig.volume = vol;\r
548 }\r
549 sprintf(noticeMsg, "VOL: %02i", vol);\r
550 gettimeofday(&noticeMsgTime, 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
564static 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(&noticeMsgTime, 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(&noticeMsgTime, 0);\r
620 }\r
621 if (which & 0x0080) {\r
622 engineState = PGS_Menu;\r
623 }\r
624}\r
625\r
626static 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
b3972d82 673 usbjoy_update();\r
492d353a 674 for (joy = 0; joy < num_of_joys; joy++) {\r
b3972d82 675 int btns = usbjoy_check2(joy);\r
492d353a 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
715static 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
b3972d82 721 sndout_oss_write(PsndOut, len<<1);\r
492d353a 722}\r
723\r
724\r
725static 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
733void 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
de9b1274 743#ifdef USE_320_SCREEN\r
744 PicoDrawSetColorFormat(1);\r
745 PicoScanBegin = EmuScanBegin16;\r
746#else\r
492d353a 747 PicoDrawSetColorFormat(-1);\r
748 PicoScanEnd = EmuScanEnd16;\r
de9b1274 749#endif\r
492d353a 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
f11bad75 767void emu_platformDebugCat(char *str)\r
768{\r
769 // nothing\r
770}\r
771\r
492d353a 772static 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
789void 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
492d353a 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
b3972d82 824 sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r
825 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
492d353a 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
de9b1274 912 if (++bench == 4) {\r
492d353a 913 bench = 0;\r
de9b1274 914 bench_fps_s = bench_fps / 4;\r
915 bf[bfp++ & 3] = bench_fps / 4;\r
492d353a 916 bench_fps = 0;\r
917 }\r
918 bench_fps += frames_shown;\r
de9b1274 919 sprintf(fpsbuff, "%3i/%3i/%3i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
5d239ae7 920 printf("%s\n", fpsbuff);\r
492d353a 921#else\r
922 if (currentConfig.EmuOpt & 2) {\r
de9b1274 923 sprintf(fpsbuff, "%3i/%3i", frames_shown, frames_done);\r
492d353a 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
095a240b 992#if 1\r
993 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
492d353a 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
095a240b 1009#endif\r
492d353a 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
1033void emu_ResetGame(void)\r
1034{\r
1035 PicoReset();\r
1036 reset_timing = 1;\r
1037}\r
1038\r
PicoDrive's frontend in a lib