notaz.gp2x.de / libpicofe.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
screen ptr/size unification, major cleanups
[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
fce20e73 19#include "../gp2x/gp2x.h"\r
492d353a 20#include "../common/arm_utils.h"\r
21#include "../common/fonts.h"\r
22#include "../common/emu.h"\r
23#include "../common/config.h"\r
24#include "../common/common.h"\r
fce20e73 25#include "../common/input.h"\r
b3972d82 26#include "../linux/sndout_oss.h"\r
de9b1274 27#include "asm_utils.h"\r
492d353a 28\r
f11bad75 29#include <pico/pico_int.h>\r
30#include <pico/patch.h>\r
31#include <pico/sound/mix.h>\r
492d353a 32#include <zlib/zlib.h>\r
33\r
34//#define PFRAMES\r
de9b1274 35#define BENCHMARK\r
36//#define USE_320_SCREEN 1\r
492d353a 37\r
38#ifdef BENCHMARK\r
39#define OSD_FPS_X (800-200)\r
40#else\r
41#define OSD_FPS_X (800-120)\r
42#endif\r
43\r
44\r
492d353a 45int select_exits = 0;\r
46\r
492d353a 47static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
48static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
49static int osd_fps_x;\r
492d353a 50unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r
51int reset_timing = 0;\r
52\r
53#define PICO_PEN_ADJUST_X 4\r
54#define PICO_PEN_ADJUST_Y 2\r
e31266dd 55static int pico_pen_x = 0, pico_pen_y = 240/2;\r
492d353a 56\r
57static void emu_msg_cb(const char *msg);\r
58static void emu_msg_tray_open(void);\r
59\r
60\r
61void emu_noticeMsgUpdated(void)\r
62{\r
63 gettimeofday(&noticeMsgTime, 0);\r
64}\r
65\r
36f6fd5a 66int emu_getMainDir(char *dst, int len)\r
492d353a 67{\r
68 extern char **g_argv;\r
69 int j;\r
70\r
71 strncpy(dst, g_argv[0], len);\r
72 len -= 32; // reserve\r
73 if (len < 0) len = 0;\r
74 dst[len] = 0;\r
75 for (j = strlen(dst); j > 0; j--)\r
76 if (dst[j] == '/') { dst[j+1] = 0; break; }\r
36f6fd5a 77\r
78 return j + 1;\r
492d353a 79}\r
80\r
81void emu_Init(void)\r
82{\r
83 // make temp buffer for alt renderer\r
84 PicoDraw2FB = malloc((8+320)*(8+240+8));\r
85 if (!PicoDraw2FB)\r
86 {\r
87 printf("PicoDraw2FB == 0\n");\r
88 }\r
89\r
90 // make dirs for saves, cfgs, etc.\r
91 mkdir("mds", 0777);\r
92 mkdir("srm", 0777);\r
93 mkdir("brm", 0777);\r
94 mkdir("cfg", 0777);\r
95\r
96 PicoInit();\r
97 PicoMessage = emu_msg_cb;\r
98 PicoMCDopenTray = emu_msg_tray_open;\r
99 PicoMCDcloseTray = menu_loop_tray;\r
100}\r
101\r
102\r
492d353a 103void emu_Deinit(void)\r
104{\r
105 // save SRAM\r
106 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
107 emu_SaveLoadGame(0, 1);\r
108 SRam.changed = 0;\r
109 }\r
110\r
111 if (!(currentConfig.EmuOpt & 0x20)) {\r
112 config_writelrom(PicoConfigFile);\r
113#ifndef NO_SYNC\r
114 sync();\r
115#endif\r
116 }\r
117\r
118 free(PicoDraw2FB);\r
119\r
120 PicoExit();\r
121}\r
122\r
123void emu_prepareDefaultConfig(void)\r
124{\r
125 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
5d239ae7 126 defaultConfig.EmuOpt = 0x8f | 0x00600; // | <- confirm_save, cd_leds\r
de9b1274 127 defaultConfig.s_PicoOpt = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC;\r
128 defaultConfig.s_PicoOpt |= POPT_ACC_SPRITES|POPT_EN_MCD_GFX;\r
5d239ae7 129 defaultConfig.EmuOpt &= ~8; // no save gzip\r
492d353a 130 defaultConfig.s_PsndRate = 44100;\r
5d239ae7 131 defaultConfig.s_PicoRegion = 0;\r
492d353a 132 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
133 defaultConfig.s_PicoCDBuffers = 0;\r
de9b1274 134 defaultConfig.Frameskip = 0;\r
492d353a 135 defaultConfig.CPUclock = 200;\r
136 defaultConfig.volume = 50;\r
137 defaultConfig.scaling = 0;\r
138 defaultConfig.turbo_rate = 15;\r
139}\r
140\r
492d353a 141static void textOut16(int x, int y, const char *text)\r
142{\r
143 int i,l,len=strlen(text);\r
e31266dd 144 unsigned int *screen = (unsigned int *)((unsigned short *)g_screen_ptr + (x&~1) + y*g_screen_width);\r
492d353a 145\r
146 for (i = 0; i < len; i++)\r
147 {\r
de9b1274 148 for (l=0;l<16;)\r
492d353a 149 {\r
150 unsigned char fd = fontdata8x8[((text[i])*8)+l/2];\r
e31266dd 151 unsigned int *d = &screen[l*g_screen_width/2];\r
de9b1274 152 if (fd&0x80) d[0]=0xffffffff;\r
153 if (fd&0x40) d[1]=0xffffffff;\r
154 if (fd&0x20) d[2]=0xffffffff;\r
155 if (fd&0x10) d[3]=0xffffffff;\r
156 if (fd&0x08) d[4]=0xffffffff;\r
157 if (fd&0x04) d[5]=0xffffffff;\r
158 if (fd&0x02) d[6]=0xffffffff;\r
159 if (fd&0x01) d[7]=0xffffffff;\r
e31266dd 160 l++; d = &screen[l*g_screen_width/2];\r
de9b1274 161 if (fd&0x80) d[0]=0xffffffff;\r
162 if (fd&0x40) d[1]=0xffffffff;\r
163 if (fd&0x20) d[2]=0xffffffff;\r
164 if (fd&0x10) d[3]=0xffffffff;\r
165 if (fd&0x08) d[4]=0xffffffff;\r
166 if (fd&0x04) d[5]=0xffffffff;\r
167 if (fd&0x02) d[6]=0xffffffff;\r
168 if (fd&0x01) d[7]=0xffffffff;\r
169 l++;\r
492d353a 170 }\r
171 screen += 8;\r
172 }\r
173}\r
174\r
175\r
176void osd_text(int x, int y, const char *text)\r
177{\r
178 int len = strlen(text)*8;\r
179\r
180 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
181 int *p, i, h;\r
182 x &= ~3; // align x\r
183 len = (len+3) >> 2;\r
184 for (h = 0; h < 8; h++) {\r
e31266dd 185 p = (int *) ((unsigned char *) gp2x_screen+x+g_screen_width*(y+h));\r
492d353a 186 for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
187 }\r
188 emu_textOut8(x, y, text);\r
189 } else {\r
190 int *p, i, h;\r
191 x &= ~1; // align x\r
192 len++;\r
193 for (h = 0; h < 16; h++) {\r
e31266dd 194 p = (int *) ((unsigned short *) gp2x_screen+x+g_screen_width*(y+h));\r
de9b1274 195 for (i = len; i; i--, p++) *p = 0;//(*p>>2)&0x39e7;\r
492d353a 196 }\r
197 textOut16(x, y, text);\r
198 }\r
199}\r
200\r
201static void draw_cd_leds(void)\r
202{\r
203// static\r
204 int old_reg;\r
205// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
206 old_reg = Pico_mcd->s68k_regs[0];\r
207\r
208 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
209 // 8-bit modes\r
210 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
211 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
e31266dd 212 *(unsigned int *)((char *)gp2x_screen + g_screen_width*2+ 4) =\r
213 *(unsigned int *)((char *)gp2x_screen + g_screen_width*3+ 4) =\r
214 *(unsigned int *)((char *)gp2x_screen + g_screen_width*4+ 4) = col_g;\r
215 *(unsigned int *)((char *)gp2x_screen + g_screen_width*2+12) =\r
216 *(unsigned int *)((char *)gp2x_screen + g_screen_width*3+12) =\r
217 *(unsigned int *)((char *)gp2x_screen + g_screen_width*4+12) = col_r;\r
492d353a 218 } else {\r
219 // 16-bit modes\r
e31266dd 220 unsigned int *p = (unsigned int *)((short *)gp2x_screen + g_screen_width*2+4);\r
492d353a 221 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
222 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
e31266dd 223 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
224 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
492d353a 225 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
226 }\r
227}\r
228\r
229static void draw_pico_ptr(void)\r
230{\r
231 unsigned short *p = (unsigned short *)gp2x_screen;\r
232\r
233 // only if pen enabled and for 16bit modes\r
234 if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r
235\r
236 if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r
237 p += 32;\r
238\r
e31266dd 239 p += g_screen_width * (pico_pen_y + PICO_PEN_ADJUST_Y);\r
492d353a 240 p += pico_pen_x + PICO_PEN_ADJUST_X;\r
241 p[0] ^= 0xffff;\r
242 p[319] ^= 0xffff;\r
243 p[320] ^= 0xffff;\r
244 p[321] ^= 0xffff;\r
245 p[640] ^= 0xffff;\r
246}\r
247\r
de9b1274 248#ifdef USE_320_SCREEN\r
249\r
250static int EmuScanBegin16(unsigned int num)\r
251{\r
252 if (!(Pico.video.reg[1]&8)) num += 8;\r
253 DrawLineDest = (unsigned short *)gp2x_screen + num*800 + 800/2 - 320/2;\r
254 //int w = (Pico.video.reg[12]&1) ? 320 : 256;\r
255 //DrawLineDest = (unsigned short *)gp2x_screen + num*w;\r
256\r
257 return 0;\r
258}\r
259\r
260#else // USE_320_SCREEN\r
261\r
492d353a 262static int EmuScanEnd16(unsigned int num)\r
263{\r
264 unsigned char *ps=HighCol+8;\r
265 unsigned short *pd;\r
266 unsigned short *pal=HighPal;\r
267 int sh = Pico.video.reg[0xC]&8;\r
268 int len, mask = 0xff;\r
269\r
270 if (!(Pico.video.reg[1]&8)) num += 8;\r
271 pd=(unsigned short *)gp2x_screen + num*800*2 + 800/2 - 320*2/2;\r
272\r
273 if (Pico.m.dirtyPal)\r
274 PicoDoHighPal555(sh);\r
275\r
276 if (Pico.video.reg[12]&1) {\r
277 len = 320;\r
278 } else {\r
de9b1274 279 pd += 32*2;\r
492d353a 280 len = 256;\r
281 }\r
282\r
f11bad75 283 if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI))\r
284 mask=0x3f; // messed sprites, upper bits are priority stuff\r
492d353a 285\r
de9b1274 286#if 1\r
287 clut_line(pd, ps, pal, (mask<<16) | len);\r
288#else\r
492d353a 289 for (; len > 0; len--)\r
290 {\r
291 unsigned int p = pal[*ps++ & mask];\r
292 p |= p << 16;\r
293 *(unsigned int *)pd = p;\r
294 *(unsigned int *)(&pd[800]) = p;\r
295 pd += 2;\r
296 }\r
de9b1274 297#endif\r
492d353a 298\r
299 return 0;\r
300}\r
301\r
de9b1274 302#endif // USE_320_SCREEN\r
303\r
492d353a 304static int EmuScanBegin8(unsigned int num)\r
305{\r
306 if (!(Pico.video.reg[1]&8)) num += 8;\r
e31266dd 307 DrawLineDest = (unsigned char *) gp2x_screen + g_screen_width * num;\r
492d353a 308\r
309 return 0;\r
310}\r
311\r
312int localPal[0x100];\r
313static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
314\r
315static void blit(const char *fps, const char *notice)\r
316{\r
317 int emu_opt = currentConfig.EmuOpt;\r
318\r
319 if (PicoOpt&0x10)\r
320 {\r
321 // 8bit fast renderer\r
322 if (Pico.m.dirtyPal) {\r
323 Pico.m.dirtyPal = 0;\r
324 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
325 // feed new palette to our device\r
326 gp2x_video_setpalette(localPal, 0x40);\r
327 }\r
328 // a hack for VR\r
329 if (PicoRead16Hook == PicoSVPRead16)\r
330 memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
331 // do actual copy\r
e31266dd 332 vidCpyM2((unsigned char *)gp2x_screen+g_screen_width*8, PicoDraw2FB+328*8);\r
492d353a 333 }\r
334 else if (!(emu_opt&0x80))\r
335 {\r
336 // 8bit accurate renderer\r
337 if (Pico.m.dirtyPal)\r
338 {\r
61f66fe0 339 int pallen = 0xc0;\r
492d353a 340 Pico.m.dirtyPal = 0;\r
341 if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
342 {\r
343 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
344 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
345 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
346 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
347 pallen = 0x100;\r
348 }\r
492d353a 349 else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
350 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
351 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
352 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
353 pallen = 0xc0;\r
354 }\r
355 else {\r
356 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
61f66fe0 357 memcpy32(localPal+0x80, localPal, 0x40);\r
492d353a 358 }\r
359 if (pallen > 0xc0) {\r
360 localPal[0xc0] = 0x0000c000;\r
361 localPal[0xd0] = 0x00c00000;\r
362 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
363 localPal[0xf0] = 0x00ffffff;\r
364 }\r
365 gp2x_video_setpalette(localPal, pallen);\r
366 }\r
367 }\r
368\r
369 if (notice || (emu_opt & 2)) {\r
e31266dd 370 int h = g_screen_height-16;\r
492d353a 371 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 16;\r
372 if (notice) osd_text(4, h, notice);\r
373 if (emu_opt & 2)\r
de9b1274 374 osd_text(osd_fps_x, h, fps);\r
492d353a 375 }\r
376 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
377 draw_cd_leds();\r
378 if (PicoAHW & PAHW_PICO)\r
379 draw_pico_ptr();\r
380{\r
381//static int u=0;\r
382//memset((char *)gp2x_screen+800*471*2, (u++)>>1, 800*9*2);\r
383}\r
384\r
385 //gp2x_video_wait_vsync();\r
386 gp2x_video_flip();\r
387}\r
388\r
389\r
390// clears whole screen or just the notice area (in all buffers)\r
391static void clearArea(int full)\r
392{\r
393 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
394 // 8-bit renderers\r
e31266dd 395 if (full) gp2x_memset_all_buffers(0, 0xe0, g_screen_width*240);\r
396 else gp2x_memset_all_buffers(g_screen_width*232, 0xe0, g_screen_width*8);\r
492d353a 397 } else {\r
398 // 16bit accurate renderer\r
e31266dd 399 if (full) gp2x_memset_all_buffers(0, 0, g_screen_width*g_screen_height*2);\r
400 else gp2x_memset_all_buffers(g_screen_width*(g_screen_height-16)*2, 0, g_screen_width*16*2);\r
492d353a 401 }\r
402}\r
403\r
404\r
405static void vidResetMode(void)\r
406{\r
407 if (PicoOpt&0x10) {\r
408 gp2x_video_changemode(8);\r
409 } else if (currentConfig.EmuOpt&0x80) {\r
410 gp2x_video_changemode(16);\r
de9b1274 411#ifdef USE_320_SCREEN\r
412 PicoDrawSetColorFormat(1);\r
413 PicoScanBegin = EmuScanBegin16;\r
414#else\r
492d353a 415 PicoDrawSetColorFormat(-1);\r
416 PicoScanEnd = EmuScanEnd16;\r
de9b1274 417#endif\r
492d353a 418 } else {\r
419 gp2x_video_changemode(8);\r
420 PicoDrawSetColorFormat(2);\r
421 PicoScanBegin = EmuScanBegin8;\r
422 }\r
423 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
424 // setup pal for 8-bit modes\r
425 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
426 localPal[0xd0] = 0x00c00000;\r
427 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
428 localPal[0xf0] = 0x00ffffff;\r
429 gp2x_video_setpalette(localPal, 0x100);\r
430 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
431 gp2x_video_flip();\r
432 }\r
433 Pico.m.dirtyPal = 1;\r
434 // reset scaling\r
435 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
436 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
437 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
438}\r
439\r
440\r
441static void emu_msg_cb(const char *msg)\r
442{\r
443 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
444 // 8-bit renderers\r
e31266dd 445 gp2x_memset_all_buffers(g_screen_width*(g_screen_height-16), 0xe0, g_screen_width*16);\r
446 osd_text(4, g_screen_height-16, msg);\r
447 gp2x_memcpy_all_buffers((char *)gp2x_screen+g_screen_width*(g_screen_height-16),\r
448 g_screen_width*(g_screen_height-16), g_screen_width*16);\r
492d353a 449 } else {\r
450 // 16bit accurate renderer\r
e31266dd 451 gp2x_memset_all_buffers(g_screen_width*(g_screen_height-16)*2, 0, g_screen_width*16*2);\r
452 osd_text(4, g_screen_height-16, msg);\r
453 gp2x_memcpy_all_buffers((char *)gp2x_screen+g_screen_width*(g_screen_height-16)*2,\r
454 g_screen_width*(g_screen_height-16)*2, g_screen_width*16*2);\r
492d353a 455 }\r
456 gettimeofday(&noticeMsgTime, 0);\r
457 noticeMsgTime.tv_sec -= 2;\r
458\r
459 /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
460 reset_timing = 1;\r
461}\r
462\r
463static void emu_state_cb(const char *str)\r
464{\r
465 clearArea(0);\r
466 blit("", str);\r
467}\r
468\r
469static void emu_msg_tray_open(void)\r
470{\r
471 strcpy(noticeMsg, "CD tray opened");\r
472 gettimeofday(&noticeMsgTime, 0);\r
473}\r
474\r
fce20e73 475#if 0\r
492d353a 476static void RunEventsPico(unsigned int events, unsigned int gp2x_keys)\r
477{\r
478 int ret, px, py, lim_x;\r
479 static int pdown_frames = 0;\r
480\r
481 emu_RunEventsPico(events);\r
482\r
483 if (pico_inp_mode == 0) return;\r
484\r
485 // for F200\r
486 ret = gp2x_touchpad_read(&px, &py);\r
487 if (ret >= 0)\r
488 {\r
489 if (ret > 35000)\r
490 {\r
491 if (pdown_frames++ > 5)\r
492 PicoPad[0] |= 0x20;\r
493\r
494 pico_pen_x = px;\r
495 pico_pen_y = py;\r
496 if (!(Pico.video.reg[12]&1)) {\r
497 pico_pen_x -= 32;\r
498 if (pico_pen_x < 0) pico_pen_x = 0;\r
499 if (pico_pen_x > 248) pico_pen_x = 248;\r
500 }\r
501 if (pico_pen_y > 224) pico_pen_y = 224;\r
502 }\r
503 else\r
504 pdown_frames = 0;\r
505\r
506 //if (ret == 0)\r
507 // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
508 }\r
509\r
510 PicoPad[0] &= ~0x0f; // release UDLR\r
511 if (gp2x_keys & GP2X_UP) pico_pen_y--;\r
512 if (gp2x_keys & GP2X_DOWN) pico_pen_y++;\r
513 if (gp2x_keys & GP2X_LEFT) pico_pen_x--;\r
514 if (gp2x_keys & GP2X_RIGHT) pico_pen_x++;\r
515\r
516 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
517 if (pico_pen_y < 8) pico_pen_y = 8;\r
518 if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r
519 if (pico_pen_x < 0) pico_pen_x = 0;\r
520 if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r
521\r
522 PicoPicohw.pen_pos[0] = pico_pen_x;\r
523 if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r
524 PicoPicohw.pen_pos[0] += 0x3c;\r
525 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
526}\r
fce20e73 527#endif\r
492d353a 528\r
529static void update_volume(int has_changed, int is_up)\r
530{\r
531 static int prev_frame = 0, wait_frames = 0;\r
532 int vol = currentConfig.volume;\r
533\r
534 if (has_changed)\r
535 {\r
536 if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
537 wait_frames++;\r
538 else {\r
539 if (is_up) {\r
540 if (vol < 99) vol++;\r
541 } else {\r
542 if (vol > 0) vol--;\r
543 }\r
544 wait_frames = 0;\r
b3972d82 545 sndout_oss_setvol(vol, vol);\r
492d353a 546 currentConfig.volume = vol;\r
547 }\r
548 sprintf(noticeMsg, "VOL: %02i", vol);\r
549 gettimeofday(&noticeMsgTime, 0);\r
550 prev_frame = Pico.m.frame_count;\r
551 }\r
552\r
553 // set the right mixer func\r
554 if (!(PicoOpt&8)) return; // just use defaults for mono\r
555 if (vol >= 5)\r
556 PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
557 else {\r
558 mix_32_to_16l_level = 5 - vol;\r
559 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
560 }\r
561}\r
562\r
563static void RunEvents(unsigned int which)\r
564{\r
565 if (which & 0x1800) // save or load (but not both)\r
566 {\r
567 int do_it = 1;\r
568 if ( emu_checkSaveFile(state_slot) &&\r
569 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r
570 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r
fce20e73 571#if 0\r
492d353a 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
fce20e73 580#endif\r
492d353a 581 }\r
582 if (do_it) {\r
e31266dd 583 osd_text(4, g_screen_height-16, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
492d353a 584 PicoStateProgressCB = emu_state_cb;\r
e31266dd 585 gp2x_memcpy_all_buffers(gp2x_screen, 0, g_screen_width*g_screen_height*2);\r
492d353a 586 emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
587 PicoStateProgressCB = NULL;\r
588 }\r
589\r
590 reset_timing = 1;\r
591 }\r
592 if (which & 0x0400) // switch renderer\r
593 {\r
594 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
595 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
596 else currentConfig.EmuOpt &= ~0x80;\r
597\r
598 vidResetMode();\r
599\r
600 if (PicoOpt&0x10) {\r
601 strcpy(noticeMsg, " 8bit fast renderer");\r
602 } else if (currentConfig.EmuOpt&0x80) {\r
603 strcpy(noticeMsg, "16bit accurate renderer");\r
604 } else {\r
605 strcpy(noticeMsg, " 8bit accurate renderer");\r
606 }\r
607\r
608 gettimeofday(&noticeMsgTime, 0);\r
609 }\r
610 if (which & 0x0300)\r
611 {\r
612 if(which&0x0200) {\r
613 state_slot -= 1;\r
614 if(state_slot < 0) state_slot = 9;\r
615 } else {\r
616 state_slot += 1;\r
617 if(state_slot > 9) state_slot = 0;\r
618 }\r
619 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r
620 gettimeofday(&noticeMsgTime, 0);\r
621 }\r
622 if (which & 0x0080) {\r
623 engineState = PGS_Menu;\r
624 }\r
625}\r
626\r
627static void updateKeys(void)\r
628{\r
fce20e73 629 unsigned int allActions[2] = { 0, 0 }, events;\r
492d353a 630 static unsigned int prevEvents = 0;\r
492d353a 631\r
fce20e73 632 /* FIXME: combos, player2 */\r
633 allActions[0] = in_update();\r
492d353a 634\r
635 PicoPad[0] = allActions[0] & 0xfff;\r
636 PicoPad[1] = allActions[1] & 0xfff;\r
637\r
638 if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r
639 if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r
640\r
641 events = (allActions[0] | allActions[1]) >> 16;\r
642\r
643 // volume is treated in special way and triggered every frame\r
644 if (events & 0x6000)\r
645 update_volume(1, events & 0x2000);\r
646\r
647 if ((events ^ prevEvents) & 0x40) {\r
648 emu_changeFastForward(events & 0x40);\r
649 update_volume(0, 0);\r
650 reset_timing = 1;\r
651 }\r
652\r
653 events &= ~prevEvents;\r
654\r
fce20e73 655/*\r
492d353a 656 if (PicoAHW == PAHW_PICO)\r
657 RunEventsPico(events, keys);\r
fce20e73 658*/\r
492d353a 659 if (events) RunEvents(events);\r
660 if (movie_data) emu_updateMovie();\r
661\r
662 prevEvents = (allActions[0] | allActions[1]) >> 16;\r
663}\r
664\r
665\r
666static void updateSound(int len)\r
667{\r
668 if (PicoOpt&8) len<<=1;\r
669\r
670 /* avoid writing audio when lagging behind to prevent audio lag */\r
671 if (PicoSkipFrame != 2)\r
b3972d82 672 sndout_oss_write(PsndOut, len<<1);\r
492d353a 673}\r
674\r
675\r
676static void SkipFrame(int do_audio)\r
677{\r
678 PicoSkipFrame=do_audio ? 1 : 2;\r
679 PicoFrame();\r
680 PicoSkipFrame=0;\r
681}\r
682\r
683\r
684void emu_forcedFrame(int opts)\r
685{\r
686 int po_old = PicoOpt;\r
687 int eo_old = currentConfig.EmuOpt;\r
688\r
689 PicoOpt &= ~0x10;\r
690 PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r
691 currentConfig.EmuOpt |= 0x80;\r
692\r
693 //vidResetMode();\r
de9b1274 694#ifdef USE_320_SCREEN\r
695 PicoDrawSetColorFormat(1);\r
696 PicoScanBegin = EmuScanBegin16;\r
697#else\r
492d353a 698 PicoDrawSetColorFormat(-1);\r
699 PicoScanEnd = EmuScanEnd16;\r
de9b1274 700#endif\r
492d353a 701 Pico.m.dirtyPal = 1;\r
702 PicoFrameDrawOnly();\r
703\r
704/*\r
705 if (!(Pico.video.reg[12]&1)) {\r
706 vidCpyM2 = vidCpyM2_32col;\r
707 clearArea(1);\r
708 } else vidCpyM2 = vidCpyM2_40col;\r
709\r
e31266dd 710 vidCpyM2((unsigned char *)gp2x_screen+g_screen_width*8, PicoDraw2FB+328*8);\r
492d353a 711 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
712 gp2x_video_setpalette(localPal, 0x40);\r
713*/\r
714 PicoOpt = po_old;\r
715 currentConfig.EmuOpt = eo_old;\r
716}\r
717\r
f11bad75 718void emu_platformDebugCat(char *str)\r
719{\r
720 // nothing\r
721}\r
722\r
492d353a 723static void simpleWait(int thissec, int lim_time)\r
724{\r
725 struct timeval tval;\r
726\r
727 spend_cycles(1024);\r
728 gettimeofday(&tval, 0);\r
729 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
730\r
731 while (tval.tv_usec < lim_time)\r
732 {\r
733 spend_cycles(1024);\r
734 gettimeofday(&tval, 0);\r
735 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
736 }\r
737}\r
738\r
fce20e73 739void emu_startSound(void)\r
740{\r
741 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
742 int target_fps = Pico.m.pal ? 50 : 60;\r
743\r
744 PsndOut = NULL;\r
745\r
746 if (currentConfig.EmuOpt & 4)\r
747 {\r
748 int snd_excess_add;\r
749 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old)\r
750 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
751\r
752 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
753 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
754 PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
755 sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r
756 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
757 PicoWriteSound = updateSound;\r
758 update_volume(0, 0);\r
759 memset(sndBuffer, 0, sizeof(sndBuffer));\r
760 PsndOut = sndBuffer;\r
761 PsndRate_old = PsndRate;\r
762 PicoOpt_old = PicoOpt;\r
763 pal_old = Pico.m.pal;\r
764 }\r
765}\r
766\r
767void emu_endSound(void)\r
768{\r
769}\r
770\r
771/* wait until we can write more sound */\r
772void emu_waitSound(void)\r
773{\r
774 // don't need to do anything, writes will block by themselves\r
775}\r
492d353a 776\r
777void emu_Loop(void)\r
778{\r
492d353a 779 char fpsbuff[24]; // fps count c string\r
780 struct timeval tval; // timing\r
781 int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r
782 int frames_done, frames_shown, thissec; // actual frames\r
783 int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r
784 char *notice = 0;\r
785\r
786 printf("entered emu_Loop()\n");\r
787\r
788 fpsbuff[0] = 0;\r
789\r
790 // make sure we are in correct mode\r
791 vidResetMode();\r
492d353a 792 Pico.m.dirtyPal = 1;\r
793 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
794 emu_findKeyBindCombos();\r
795\r
796 // pal/ntsc might have changed, reset related stuff\r
797 target_fps = Pico.m.pal ? 50 : 60;\r
798 target_frametime = 1000000/target_fps;\r
799 reset_timing = 1;\r
800\r
fce20e73 801 emu_startSound();\r
492d353a 802\r
803 // prepare CD buffer\r
804 if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r
805\r
806 // calc vsync offset to sync timing code with vsync\r
807 if (currentConfig.EmuOpt&0x2000) {\r
808 gettimeofday(&tval, 0);\r
809 gp2x_video_wait_vsync();\r
810 gettimeofday(&tval, 0);\r
811 vsync_offset = tval.tv_usec;\r
812 while (vsync_offset >= target_frametime)\r
813 vsync_offset -= target_frametime;\r
814 if (!vsync_offset) vsync_offset++;\r
815 printf("vsync_offset: %i\n", vsync_offset);\r
816 } else\r
817 vsync_offset = 0;\r
818\r
819 frames_done = frames_shown = thissec =\r
820 pframes_done = pframes_shown = pthissec = 0;\r
821\r
822 // loop\r
823 while (engineState == PGS_Running)\r
824 {\r
825 int modes;\r
826\r
827 gettimeofday(&tval, 0);\r
828 if (reset_timing) {\r
829 reset_timing = 0;\r
830 pthissec = tval.tv_sec;\r
831 pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r
832 }\r
833\r
834 // show notice message?\r
835 if (noticeMsgTime.tv_sec)\r
836 {\r
837 static int noticeMsgSum;\r
838 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
839 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
840 clearArea(0);\r
841 notice = 0;\r
842 } else {\r
843 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
844 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
845 notice = noticeMsg;\r
846 }\r
847 }\r
848\r
849 // check for mode changes\r
850 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
851 if (modes != oldmodes)\r
852 {\r
e31266dd 853 int scalex = g_screen_width;\r
492d353a 854 osd_fps_x = OSD_FPS_X;\r
855 if (modes & 4) {\r
856 vidCpyM2 = vidCpyM2_40col;\r
857 } else {\r
858 if (PicoOpt & 0x100) {\r
859 vidCpyM2 = vidCpyM2_32col_nobord;\r
860 scalex = 256;\r
861 osd_fps_x = OSD_FPS_X - 64;\r
862 } else {\r
863 vidCpyM2 = vidCpyM2_32col;\r
864 }\r
865 }\r
866 if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
867 gp2x_video_RGB_setscaling(8, scalex, 224);\r
868 else gp2x_video_RGB_setscaling(0, scalex, 240);\r
869 oldmodes = modes;\r
870 clearArea(1);\r
871 }\r
872\r
873 // second changed?\r
874 if (thissec != tval.tv_sec)\r
875 {\r
876#ifdef BENCHMARK\r
877 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
de9b1274 878 if (++bench == 4) {\r
492d353a 879 bench = 0;\r
de9b1274 880 bench_fps_s = bench_fps / 4;\r
881 bf[bfp++ & 3] = bench_fps / 4;\r
492d353a 882 bench_fps = 0;\r
883 }\r
884 bench_fps += frames_shown;\r
de9b1274 885 sprintf(fpsbuff, "%3i/%3i/%3i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
5d239ae7 886 printf("%s\n", fpsbuff);\r
492d353a 887#else\r
888 if (currentConfig.EmuOpt & 2) {\r
de9b1274 889 sprintf(fpsbuff, "%3i/%3i", frames_shown, frames_done);\r
492d353a 890 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
891 }\r
892#endif\r
893 frames_shown = frames_done = 0;\r
894 thissec = tval.tv_sec;\r
895 }\r
896#ifdef PFRAMES\r
897 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
898#endif\r
899\r
900 if (pthissec != tval.tv_sec)\r
901 {\r
902 if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
903 pframes_done = pframes_shown = 0;\r
904 } else {\r
905 // it is quite common for this implementation to leave 1 fame unfinished\r
906 // when second changes, but we don't want buffer to starve.\r
907 if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r
908 updateKeys();\r
909 SkipFrame(1); pframes_done++;\r
910 }\r
911\r
912 pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r
913 pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r
914 if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r
915 }\r
916 pthissec = tval.tv_sec;\r
917 }\r
918\r
919 lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r
920 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
921 {\r
922 for(i = 0; i < currentConfig.Frameskip; i++) {\r
923 updateKeys();\r
924 SkipFrame(1); pframes_done++; frames_done++;\r
925 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
926 gettimeofday(&tval, 0);\r
927 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
928 if (tval.tv_usec < lim_time) { // we are too fast\r
929 simpleWait(pthissec, lim_time);\r
930 }\r
931 }\r
932 lim_time += target_frametime;\r
933 }\r
934 }\r
935 else if (tval.tv_usec > lim_time) // auto frameskip\r
936 {\r
937 // no time left for this frame - skip\r
938 if (tval.tv_usec - lim_time >= 300000) {\r
939 /* something caused a slowdown for us (disk access? cache flush?)\r
940 * try to recover by resetting timing... */\r
941 reset_timing = 1;\r
942 continue;\r
943 }\r
944 updateKeys();\r
945 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
946 continue;\r
947 }\r
948\r
949 updateKeys();\r
950 PicoFrame();\r
951\r
952 // check time\r
953 gettimeofday(&tval, 0);\r
954 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
955\r
956 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
957 reset_timing = 1;\r
095a240b 958#if 1\r
959 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
492d353a 960 {\r
961 // sleep or vsync if we are still too fast\r
962 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
963 if (!reset_timing && tval.tv_usec < lim_time)\r
964 {\r
965 // we are too fast\r
966 if (vsync_offset) {\r
967 if (lim_time - tval.tv_usec > target_frametime/2)\r
968 simpleWait(pthissec, lim_time - target_frametime/4);\r
969 gp2x_video_wait_vsync();\r
970 } else {\r
971 simpleWait(pthissec, lim_time);\r
972 }\r
973 }\r
974 }\r
095a240b 975#endif\r
492d353a 976 blit(fpsbuff, notice);\r
977\r
978 pframes_done++; pframes_shown++;\r
979 frames_done++; frames_shown++;\r
980 }\r
981\r
982 emu_changeFastForward(0);\r
983\r
984 if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r
985\r
986 // save SRAM\r
987 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
988 emu_state_cb("Writing SRAM/BRAM..");\r
989 emu_SaveLoadGame(0, 1);\r
990 SRam.changed = 0;\r
991 }\r
992\r
993 // if in 8bit mode, generate 16bit image for menu background\r
994 if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
995 emu_forcedFrame(POPT_EN_SOFTSCALE);\r
996}\r
997\r
998\r
999void emu_ResetGame(void)\r
1000{\r
1001 PicoReset();\r
1002 reset_timing = 1;\r
1003}\r
1004\r
PicoDrive's frontend in a lib