notaz.gp2x.de / libpicofe.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
refactoring for Wiz port; random cleanups
[libpicofe.git] / gp2x / emu.c
CommitLineData
6ab2f79c 1// (c) Copyright 2006-2007 notaz, All rights reserved.\r
720ee7f6 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
4ffd2858 9#include <sys/stat.h>\r
10#include <sys/types.h>\r
720ee7f6 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 "emu.h"\r
18#include "gp2x.h"\r
d572cbad 19#include "soc.h"\r
82abf46f 20#include "../common/menu.h"\r
c7a4ff64 21#include "../common/arm_utils.h"\r
22#include "../common/fonts.h"\r
f013066e 23#include "../common/emu.h"\r
0ae25549 24#include "../common/config.h"\r
bc0420cd 25#include "../common/input.h"\r
b3972d82 26#include "../linux/sndout_oss.h"\r
720ee7f6 27#include "cpuctrl.h"\r
049a6b3e 28#include "version.h"\r
720ee7f6 29\r
f11bad75 30#include <pico/pico_int.h>\r
31#include <pico/patch.h>\r
32#include <pico/sound/mix.h>\r
70d2ecc5 33#include <zlib/zlib.h>\r
720ee7f6 34\r
4327ec37 35//#define PFRAMES\r
720ee7f6 36\r
37#ifdef BENCHMARK\r
38#define OSD_FPS_X 220\r
39#else\r
40#define OSD_FPS_X 260\r
41#endif\r
42\r
720ee7f6 43\r
720ee7f6 44extern int crashed_940;\r
45\r
6245d5a0 46static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
720ee7f6 47static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
8f1b51ef 48static int osd_fps_x;\r
720ee7f6 49static int gp2x_old_gamma = 100;\r
c7a4ff64 50unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r
8f1b51ef 51int reset_timing = 0;\r
720ee7f6 52\r
2b395ee0 53#define PICO_PEN_ADJUST_X 4\r
54#define PICO_PEN_ADJUST_Y 2\r
8a091e48 55static int pico_pen_x = 320/2, pico_pen_y = 240/2;\r
e1cd546f 56\r
f013066e 57static void emu_msg_cb(const char *msg);\r
58static void emu_msg_tray_open(void);\r
720ee7f6 59\r
720ee7f6 60\r
f013066e 61void emu_noticeMsgUpdated(void)\r
720ee7f6 62{\r
f013066e 63 gettimeofday(&noticeMsgTime, 0);\r
720ee7f6 64}\r
65\r
36f6fd5a 66int emu_getMainDir(char *dst, int len)\r
25fced50 67{\r
f013066e 68 extern char **g_argv;\r
69 int j;\r
25fced50 70\r
f013066e 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
25fced50 79}\r
80\r
720ee7f6 81void emu_Init(void)\r
82{\r
83 // make temp buffer for alt renderer\r
c7a4ff64 84 PicoDraw2FB = malloc((8+320)*(8+240+8));\r
85 if (!PicoDraw2FB)\r
720ee7f6 86 {\r
c7a4ff64 87 printf("PicoDraw2FB == 0\n");\r
720ee7f6 88 }\r
89\r
4ffd2858 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
720ee7f6 96 PicoInit();\r
dfa4c846 97 PicoMessage = emu_msg_cb;\r
5e2e14f2 98 PicoMCDopenTray = emu_msg_tray_open;\r
99 PicoMCDcloseTray = menu_loop_tray;\r
720ee7f6 100}\r
101\r
102\r
f013066e 103static void scaling_update(void)\r
79cad122 104{\r
105 PicoOpt &= ~0x4100;\r
106 switch (currentConfig.scaling) {\r
107 default: break; // off\r
108 case 1: // hw hor\r
109 case 2: PicoOpt |= 0x0100; break; // hw hor+vert\r
110 case 3: PicoOpt |= 0x4000; break; // sw hor\r
111 }\r
112}\r
113\r
114\r
720ee7f6 115void emu_Deinit(void)\r
116{\r
117 // save SRAM\r
118 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
119 emu_SaveLoadGame(0, 1);\r
120 SRam.changed = 0;\r
121 }\r
122\r
7f3b59cf 123 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG))\r
124 emu_writelrom();\r
79cad122 125\r
c7a4ff64 126 free(PicoDraw2FB);\r
720ee7f6 127\r
128 PicoExit();\r
720ee7f6 129\r
130 // restore gamma\r
131 if (gp2x_old_gamma != 100)\r
55a951dd 132 set_gamma(100, 0);\r
720ee7f6 133}\r
134\r
0ae25549 135void emu_prepareDefaultConfig(void)\r
136{\r
137 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
100ae778 138 defaultConfig.EmuOpt = 0x9d | 0x00700; // | <- ram_tmng, confirm_save, cd_leds\r
84e21f25 139 defaultConfig.s_PicoOpt = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r
0ae25549 140 defaultConfig.s_PsndRate = 44100;\r
141 defaultConfig.s_PicoRegion = 0; // auto\r
142 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
88bfc63d 143 defaultConfig.s_PicoCDBuffers = 0;\r
0ae25549 144 defaultConfig.Frameskip = -1; // auto\r
145 defaultConfig.CPUclock = 200;\r
146 defaultConfig.volume = 50;\r
0ae25549 147 defaultConfig.gamma = 100;\r
148 defaultConfig.scaling = 0;\r
6589c840 149 defaultConfig.turbo_rate = 15;\r
0ae25549 150}\r
151\r
0805b5b4 152void osd_text(int x, int y, const char *text)\r
720ee7f6 153{\r
154 int len = strlen(text)*8;\r
e31266dd 155 int *p, i, h, offs;\r
720ee7f6 156\r
157 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
720ee7f6 158 len = (len+3) >> 2;\r
159 for (h = 0; h < 8; h++) {\r
e31266dd 160 offs = (x + g_screen_width * (y+h)) & ~3;\r
161 p = (int *) ((char *)g_screen_ptr + offs);\r
162 for (i = len; i; i--, p++)\r
163 *p = 0xe0e0e0e0;\r
720ee7f6 164 }\r
f013066e 165 emu_textOut8(x, y, text);\r
720ee7f6 166 } else {\r
720ee7f6 167 len = (len+1) >> 1;\r
168 for (h = 0; h < 8; h++) {\r
e31266dd 169 offs = (x + g_screen_width * (y+h)) & ~1;\r
170 p = (int *) ((short *)g_screen_ptr + offs);\r
171 for (i = len; i; i--, p++)\r
172 *p = (*p >> 2) & 0x39e7;\r
720ee7f6 173 }\r
f013066e 174 emu_textOut16(x, y, text);\r
720ee7f6 175 }\r
176}\r
177\r
2b395ee0 178static void draw_cd_leds(void)\r
daf91588 179{\r
8dfb9fd5 180// static\r
181 int old_reg;\r
8ede36b9 182// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
daf91588 183 old_reg = Pico_mcd->s68k_regs[0];\r
184\r
185 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
186 // 8-bit modes\r
187 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
188 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
e31266dd 189 *(unsigned int *)((char *)g_screen_ptr + 320*2+ 4) =\r
190 *(unsigned int *)((char *)g_screen_ptr + 320*3+ 4) =\r
191 *(unsigned int *)((char *)g_screen_ptr + 320*4+ 4) = col_g;\r
192 *(unsigned int *)((char *)g_screen_ptr + 320*2+12) =\r
193 *(unsigned int *)((char *)g_screen_ptr + 320*3+12) =\r
194 *(unsigned int *)((char *)g_screen_ptr + 320*4+12) = col_r;\r
daf91588 195 } else {\r
196 // 16-bit modes\r
e31266dd 197 unsigned int *p = (unsigned int *)((short *)g_screen_ptr + 320*2+4);\r
daf91588 198 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
199 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
49fe50f0 200 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
201 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
8ede36b9 202 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
daf91588 203 }\r
204}\r
205\r
2b395ee0 206static void draw_pico_ptr(void)\r
207{\r
e31266dd 208 unsigned short *p = (unsigned short *)g_screen_ptr;\r
2b395ee0 209\r
210 // only if pen enabled and for 16bit modes\r
211 if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r
212\r
213 if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r
214 p += 32;\r
215\r
216 p += 320 * (pico_pen_y + PICO_PEN_ADJUST_Y);\r
217 p += pico_pen_x + PICO_PEN_ADJUST_X;\r
218 p[0] ^= 0xffff;\r
219 p[319] ^= 0xffff;\r
220 p[320] ^= 0xffff;\r
221 p[321] ^= 0xffff;\r
222 p[640] ^= 0xffff;\r
223}\r
224\r
dd5fd477 225static int EmuScanBegin16(unsigned int num)\r
720ee7f6 226{\r
227 if (!(Pico.video.reg[1]&8)) num += 8;\r
e31266dd 228 DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r
720ee7f6 229\r
230 return 0;\r
231}\r
232\r
dd5fd477 233static int EmuScanBegin8(unsigned int num)\r
720ee7f6 234{\r
235 if (!(Pico.video.reg[1]&8)) num += 8;\r
e31266dd 236 DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r
720ee7f6 237\r
238 return 0;\r
239}\r
240\r
e5d315a5 241int localPal[0x100];\r
720ee7f6 242static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
243\r
0805b5b4 244static void blit(const char *fps, const char *notice)\r
720ee7f6 245{\r
daf91588 246 int emu_opt = currentConfig.EmuOpt;\r
247\r
b3818d1e 248 if (PicoOpt&0x10)\r
249 {\r
720ee7f6 250 // 8bit fast renderer\r
251 if (Pico.m.dirtyPal) {\r
252 Pico.m.dirtyPal = 0;\r
253 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
254 // feed new palette to our device\r
255 gp2x_video_setpalette(localPal, 0x40);\r
256 }\r
b3818d1e 257 // a hack for VR\r
258 if (PicoRead16Hook == PicoSVPRead16)\r
259 memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
260 // do actual copy\r
e31266dd 261 vidCpyM2((unsigned char *)g_screen_ptr+320*8, PicoDraw2FB+328*8);\r
b3818d1e 262 }\r
263 else if (!(emu_opt&0x80))\r
264 {\r
720ee7f6 265 // 8bit accurate renderer\r
dd5fd477 266 if (Pico.m.dirtyPal)\r
267 {\r
61f66fe0 268 int pallen = 0xc0;\r
720ee7f6 269 Pico.m.dirtyPal = 0;\r
b13a934c 270 if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
271 {\r
720ee7f6 272 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
273 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
274 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
67dfdf5f 275 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
b13a934c 276 pallen = 0x100;\r
277 }\r
b13a934c 278 else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
720ee7f6 279 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
280 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
281 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
b13a934c 282 }\r
283 else {\r
720ee7f6 284 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
61f66fe0 285 memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r
720ee7f6 286 }\r
b13a934c 287 if (pallen > 0xc0) {\r
288 localPal[0xc0] = 0x0000c000;\r
289 localPal[0xd0] = 0x00c00000;\r
290 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
291 localPal[0xf0] = 0x00ffffff;\r
292 }\r
293 gp2x_video_setpalette(localPal, pallen);\r
720ee7f6 294 }\r
295 }\r
296\r
79cad122 297 if (notice || (emu_opt & 2)) {\r
298 int h = 232;\r
299 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;\r
300 if (notice) osd_text(4, h, notice);\r
301 if (emu_opt & 2)\r
302 osd_text(osd_fps_x, h, fps);\r
303 }\r
dd5fd477 304 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
2b395ee0 305 draw_cd_leds();\r
306 if (PicoAHW & PAHW_PICO)\r
307 draw_pico_ptr();\r
720ee7f6 308\r
309 //gp2x_video_wait_vsync();\r
310 gp2x_video_flip();\r
311\r
312 if (!(PicoOpt&0x10)) {\r
313 if (!(Pico.video.reg[1]&8)) {\r
314 if (currentConfig.EmuOpt&0x80) {\r
e31266dd 315 DrawLineDest = (unsigned short *) g_screen_ptr + 320*8;\r
720ee7f6 316 } else {\r
e31266dd 317 DrawLineDest = (unsigned char *) g_screen_ptr + 320*8;\r
720ee7f6 318 }\r
319 } else {\r
e31266dd 320 DrawLineDest = g_screen_ptr;\r
720ee7f6 321 }\r
322 }\r
323}\r
324\r
325\r
326// clears whole screen or just the notice area (in all buffers)\r
327static void clearArea(int full)\r
328{\r
daf91588 329 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
330 // 8-bit renderers\r
331 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
332 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
333 } else {\r
720ee7f6 334 // 16bit accurate renderer\r
335 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
336 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
720ee7f6 337 }\r
338}\r
339\r
340\r
341static void vidResetMode(void)\r
342{\r
343 if (PicoOpt&0x10) {\r
720ee7f6 344 gp2x_video_changemode(8);\r
720ee7f6 345 } else if (currentConfig.EmuOpt&0x80) {\r
13059a60 346 gp2x_video_changemode(16);\r
720ee7f6 347 PicoDrawSetColorFormat(1);\r
dd5fd477 348 PicoScanBegin = EmuScanBegin16;\r
720ee7f6 349 } else {\r
daf91588 350 gp2x_video_changemode(8);\r
351 PicoDrawSetColorFormat(2);\r
dd5fd477 352 PicoScanBegin = EmuScanBegin8;\r
daf91588 353 }\r
354 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
355 // setup pal for 8-bit modes\r
356 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
357 localPal[0xd0] = 0x00c00000;\r
720ee7f6 358 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
359 localPal[0xf0] = 0x00ffffff;\r
720ee7f6 360 gp2x_video_setpalette(localPal, 0x100);\r
361 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
362 gp2x_video_flip();\r
720ee7f6 363 }\r
364 Pico.m.dirtyPal = 1;\r
365 // reset scaling\r
79cad122 366 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
367 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
368 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
720ee7f6 369}\r
370\r
371\r
dfa4c846 372static void emu_msg_cb(const char *msg)\r
373{\r
374 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
375 // 8-bit renderers\r
376 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
377 osd_text(4, 232, msg);\r
e31266dd 378 gp2x_memcpy_all_buffers((char *)g_screen_ptr+320*232, 320*232, 320*8);\r
dfa4c846 379 } else {\r
380 // 16bit accurate renderer\r
381 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
382 osd_text(4, 232, msg);\r
e31266dd 383 gp2x_memcpy_all_buffers((char *)g_screen_ptr+320*232*2, 320*232*2, 320*8*2);\r
dfa4c846 384 }\r
385 gettimeofday(&noticeMsgTime, 0);\r
386 noticeMsgTime.tv_sec -= 2;\r
e5589947 387\r
388 /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
389 reset_timing = 1;\r
dfa4c846 390}\r
391\r
1078e544 392static void emu_state_cb(const char *str)\r
393{\r
394 clearArea(0);\r
395 blit("", str);\r
396}\r
397\r
5e2e14f2 398static void emu_msg_tray_open(void)\r
399{\r
400 strcpy(noticeMsg, "CD tray opened");\r
401 gettimeofday(&noticeMsgTime, 0);\r
402}\r
403\r
82abf46f 404static void RunEventsPico(unsigned int events)\r
e1cd546f 405{\r
6589c840 406 int ret, px, py, lim_x;\r
3f2aaff2 407 static int pdown_frames = 0;\r
408\r
8a091e48 409 emu_RunEventsPico(events);\r
410\r
6589c840 411 if (pico_inp_mode == 0) return;\r
3f2aaff2 412\r
413 // for F200\r
414 ret = gp2x_touchpad_read(&px, &py);\r
6589c840 415 if (ret >= 0)\r
416 {\r
417 if (ret > 35000)\r
418 {\r
3f2aaff2 419 if (pdown_frames++ > 5)\r
420 PicoPad[0] |= 0x20;\r
421\r
422 pico_pen_x = px;\r
423 pico_pen_y = py;\r
424 if (!(Pico.video.reg[12]&1)) {\r
425 pico_pen_x -= 32;\r
426 if (pico_pen_x < 0) pico_pen_x = 0;\r
427 if (pico_pen_x > 248) pico_pen_x = 248;\r
428 }\r
429 if (pico_pen_y > 224) pico_pen_y = 224;\r
430 }\r
431 else\r
6589c840 432 pdown_frames = 0;\r
3f2aaff2 433\r
434 //if (ret == 0)\r
435 // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
436 }\r
6589c840 437\r
82abf46f 438 if (PicoPad[0] & 1) pico_pen_y--;\r
439 if (PicoPad[0] & 2) pico_pen_y++;\r
440 if (PicoPad[0] & 4) pico_pen_x--;\r
441 if (PicoPad[0] & 8) pico_pen_x++;\r
6589c840 442 PicoPad[0] &= ~0x0f; // release UDLR\r
6589c840 443\r
444 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
445 if (pico_pen_y < 8) pico_pen_y = 8;\r
446 if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r
447 if (pico_pen_x < 0) pico_pen_x = 0;\r
448 if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r
449\r
450 PicoPicohw.pen_pos[0] = pico_pen_x;\r
451 if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r
452 PicoPicohw.pen_pos[0] += 0x3c;\r
453 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
e1cd546f 454}\r
455\r
0480e6c9 456static void update_volume(int has_changed, int is_up)\r
457{\r
458 static int prev_frame = 0, wait_frames = 0;\r
459 int vol = currentConfig.volume;\r
460\r
461 if (has_changed)\r
462 {\r
463 if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
464 wait_frames++;\r
465 else {\r
466 if (is_up) {\r
467 if (vol < 99) vol++;\r
468 } else {\r
469 if (vol > 0) vol--;\r
470 }\r
471 wait_frames = 0;\r
b3972d82 472 sndout_oss_setvol(vol, vol);\r
0480e6c9 473 currentConfig.volume = vol;\r
474 }\r
475 sprintf(noticeMsg, "VOL: %02i", vol);\r
476 gettimeofday(&noticeMsgTime, 0);\r
477 prev_frame = Pico.m.frame_count;\r
478 }\r
479\r
480 // set the right mixer func\r
481 if (!(PicoOpt&8)) return; // just use defaults for mono\r
482 if (vol >= 5)\r
483 PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
484 else {\r
485 mix_32_to_16l_level = 5 - vol;\r
486 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
487 }\r
488}\r
489\r
720ee7f6 490static void RunEvents(unsigned int which)\r
491{\r
0480e6c9 492 if (which & 0x1800) // save or load (but not both)\r
493 {\r
720ee7f6 494 int do_it = 1;\r
f013066e 495 if ( emu_checkSaveFile(state_slot) &&\r
82abf46f 496 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r
497 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save\r
498 {\r
499 const char *nm;\r
500 char tmp[64];\r
501 int keys, len;\r
502\r
503 strcpy(tmp, (which & 0x1000) ? "LOAD STATE? " : "OVERWRITE SAVE? ");\r
504 len = strlen(tmp);\r
505 nm = in_get_key_name(-1, -PBTN_MA3);\r
506 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
507 len = strlen(tmp);\r
508 nm = in_get_key_name(-1, -PBTN_MBACK);\r
509 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
510\r
511 blit("", tmp);\r
512\r
513 in_set_blocking(1);\r
514 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK)); // wait for release\r
515 while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) ); // .. press\r
516 if (keys & PBTN_MBACK)\r
517 do_it = 0;\r
518 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK)); // .. release\r
519 in_set_blocking(0);\r
520\r
720ee7f6 521 clearArea(0);\r
522 }\r
523 if (do_it) {\r
0805b5b4 524 osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
1078e544 525 PicoStateProgressCB = emu_state_cb;\r
e31266dd 526 gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);\r
0805b5b4 527 emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
1078e544 528 PicoStateProgressCB = NULL;\r
720ee7f6 529 }\r
530\r
531 reset_timing = 1;\r
532 }\r
0480e6c9 533 if (which & 0x0400) // switch renderer\r
534 {\r
720ee7f6 535 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
536 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
537 else currentConfig.EmuOpt &= ~0x80;\r
538\r
539 vidResetMode();\r
540\r
541 if (PicoOpt&0x10) {\r
542 strcpy(noticeMsg, " 8bit fast renderer");\r
543 } else if (currentConfig.EmuOpt&0x80) {\r
544 strcpy(noticeMsg, "16bit accurate renderer");\r
545 } else {\r
546 strcpy(noticeMsg, " 8bit accurate renderer");\r
547 }\r
548\r
82abf46f 549 emu_noticeMsgUpdated();\r
720ee7f6 550 }\r
0480e6c9 551 if (which & 0x0300)\r
552 {\r
720ee7f6 553 if(which&0x0200) {\r
554 state_slot -= 1;\r
555 if(state_slot < 0) state_slot = 9;\r
556 } else {\r
557 state_slot += 1;\r
558 if(state_slot > 9) state_slot = 0;\r
559 }\r
f013066e 560 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r
82abf46f 561 emu_noticeMsgUpdated();\r
720ee7f6 562 }\r
0480e6c9 563 if (which & 0x0080) {\r
720ee7f6 564 engineState = PGS_Menu;\r
565 }\r
566}\r
567\r
720ee7f6 568static void updateKeys(void)\r
569{\r
82abf46f 570 unsigned int allActions[2] = { 0, 0 }, events;\r
e1cd546f 571 static unsigned int prevEvents = 0;\r
720ee7f6 572\r
2c600560 573 /* FIXME: player2 */\r
fce20e73 574 allActions[0] = in_update();\r
720ee7f6 575\r
6589c840 576 PicoPad[0] = allActions[0] & 0xfff;\r
577 PicoPad[1] = allActions[1] & 0xfff;\r
578\r
579 if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r
580 if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r
720ee7f6 581\r
582 events = (allActions[0] | allActions[1]) >> 16;\r
583\r
584 // volume is treated in special way and triggered every frame\r
0480e6c9 585 if (events & 0x6000)\r
586 update_volume(1, events & 0x2000);\r
587\r
8a091e48 588 if ((events ^ prevEvents) & 0x40) {\r
589 emu_changeFastForward(events & 0x40);\r
590 update_volume(0, 0);\r
591 reset_timing = 1;\r
592 }\r
720ee7f6 593\r
594 events &= ~prevEvents;\r
e1cd546f 595\r
596 if (PicoAHW == PAHW_PICO)\r
82abf46f 597 RunEventsPico(events);\r
720ee7f6 598 if (events) RunEvents(events);\r
f013066e 599 if (movie_data) emu_updateMovie();\r
720ee7f6 600\r
601 prevEvents = (allActions[0] | allActions[1]) >> 16;\r
602}\r
603\r
720ee7f6 604\r
3ef975c9 605static void updateSound(int len)\r
720ee7f6 606{\r
3ef975c9 607 if (PicoOpt&8) len<<=1;\r
720ee7f6 608\r
d9a18943 609 /* avoid writing audio when lagging behind to prevent audio lag */\r
610 if (PicoSkipFrame != 2)\r
b3972d82 611 sndout_oss_write(PsndOut, len<<1);\r
720ee7f6 612}\r
613\r
725d7f6c 614void emu_startSound(void)\r
615{\r
616 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
617 int target_fps = Pico.m.pal ? 50 : 60;\r
618\r
619 PsndOut = NULL;\r
620\r
621 // prepare sound stuff\r
622 if (currentConfig.EmuOpt & 4)\r
623 {\r
624 int snd_excess_add;\r
625 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r
626 ((PicoOpt&0x200) && crashed_940)) {\r
627 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
628 }\r
629 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
630 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
631 PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
b3972d82 632 sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r
633 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
725d7f6c 634 PicoWriteSound = updateSound;\r
635 update_volume(0, 0);\r
636 memset(sndBuffer, 0, sizeof(sndBuffer));\r
637 PsndOut = sndBuffer;\r
638 PsndRate_old = PsndRate;\r
639 PicoOpt_old = PicoOpt;\r
640 pal_old = Pico.m.pal;\r
641 }\r
642}\r
643\r
644void emu_endSound(void)\r
645{\r
646}\r
647\r
648/* wait until we can write more sound */\r
649void emu_waitSound(void)\r
650{\r
651 // don't need to do anything, writes will block by themselves\r
652}\r
653\r
720ee7f6 654\r
d9a18943 655static void SkipFrame(int do_audio)\r
720ee7f6 656{\r
d9a18943 657 PicoSkipFrame=do_audio ? 1 : 2;\r
720ee7f6 658 PicoFrame();\r
659 PicoSkipFrame=0;\r
720ee7f6 660}\r
661\r
662\r
84e21f25 663void emu_forcedFrame(int opts)\r
4ffd2858 664{\r
665 int po_old = PicoOpt;\r
13059a60 666 int eo_old = currentConfig.EmuOpt;\r
667\r
84e21f25 668 PicoOpt &= ~0x10;\r
669 PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r
13059a60 670 currentConfig.EmuOpt |= 0x80;\r
4ffd2858 671\r
13059a60 672 //vidResetMode();\r
673 PicoDrawSetColorFormat(1);\r
dd5fd477 674 PicoScanBegin = EmuScanBegin16;\r
13059a60 675 Pico.m.dirtyPal = 1;\r
676 PicoFrameDrawOnly();\r
4ffd2858 677\r
13059a60 678/*\r
4ffd2858 679 if (!(Pico.video.reg[12]&1)) {\r
dccc2bd0 680 vidCpyM2 = vidCpyM2_32col;\r
4ffd2858 681 clearArea(1);\r
dccc2bd0 682 } else vidCpyM2 = vidCpyM2_40col;\r
4ffd2858 683\r
e31266dd 684 vidCpyM2((unsigned char *)g_screen_ptr+320*8, PicoDraw2FB+328*8);\r
4ffd2858 685 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
686 gp2x_video_setpalette(localPal, 0x40);\r
13059a60 687*/\r
e1aa0fa7 688 PicoOpt = po_old;\r
13059a60 689 currentConfig.EmuOpt = eo_old;\r
4ffd2858 690}\r
691\r
7443ecd9 692void emu_platformDebugCat(char *str)\r
693{\r
694 // nothing\r
695}\r
696\r
720ee7f6 697static void simpleWait(int thissec, int lim_time)\r
698{\r
699 struct timeval tval;\r
700\r
701 spend_cycles(1024);\r
702 gettimeofday(&tval, 0);\r
450dab6f 703 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 704\r
450dab6f 705 while (tval.tv_usec < lim_time)\r
720ee7f6 706 {\r
707 spend_cycles(1024);\r
708 gettimeofday(&tval, 0);\r
450dab6f 709 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 710 }\r
711}\r
712\r
713\r
450dab6f 714#if 0\r
715static void tga_dump(void)\r
716{\r
717#define BYTE unsigned char\r
718#define WORD unsigned short\r
719 struct\r
720 {\r
721 BYTE IDLength; /* 00h Size of Image ID field */\r
722 BYTE ColorMapType; /* 01h Color map type */\r
723 BYTE ImageType; /* 02h Image type code */\r
724 WORD CMapStart; /* 03h Color map origin */\r
725 WORD CMapLength; /* 05h Color map length */\r
726 BYTE CMapDepth; /* 07h Depth of color map entries */\r
727 WORD XOffset; /* 08h X origin of image */\r
728 WORD YOffset; /* 0Ah Y origin of image */\r
729 WORD Width; /* 0Ch Width of image */\r
730 WORD Height; /* 0Eh Height of image */\r
731 BYTE PixelDepth; /* 10h Image pixel size */\r
732 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
733 } __attribute__((packed)) TGAHEAD;\r
734 static unsigned short oldscr[320*240];\r
735 FILE *f; char name[128]; int i;\r
736\r
737 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
738 TGAHEAD.ImageType = 2;\r
739 TGAHEAD.Width = 320;\r
740 TGAHEAD.Height = 240;\r
741 TGAHEAD.PixelDepth = 16;\r
742 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
743\r
744#define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
745\r
746 for (i = 0; i < 320*240; i++)\r
e31266dd 747 if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r
450dab6f 748 if (i < 320*240)\r
749 {\r
750 for (i = 0; i < 320*240; i++)\r
e31266dd 751 oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r
450dab6f 752 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
753 f = fopen(name, "wb");\r
754 if (!f) { printf("!f\n"); exit(1); }\r
755 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
756 fwrite(oldscr, 1, 320*240*2, f);\r
757 fclose(f);\r
758 }\r
759}\r
760#endif\r
761\r
762\r
720ee7f6 763void emu_Loop(void)\r
764{\r
725d7f6c 765 static int gp2x_old_clock = 200, EmuOpt_old = 0;\r
720ee7f6 766 char fpsbuff[24]; // fps count c string\r
767 struct timeval tval; // timing\r
450dab6f 768 int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r
769 int frames_done, frames_shown, thissec; // actual frames\r
770 int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r
720ee7f6 771 char *notice = 0;\r
772\r
773 printf("entered emu_Loop()\n");\r
774\r
775 if (gp2x_old_clock != currentConfig.CPUclock) {\r
776 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
777 set_FCLK(currentConfig.CPUclock);\r
778 gp2x_old_clock = currentConfig.CPUclock;\r
779 printf(" done\n");\r
780 }\r
781\r
55a951dd 782 if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
783 set_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 784 gp2x_old_gamma = currentConfig.gamma;\r
55a951dd 785 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 786 }\r
787\r
59d0f042 788 if ((EmuOpt_old&0x2000) != (currentConfig.EmuOpt&0x2000)) {\r
789 if (currentConfig.EmuOpt&0x2000)\r
790 set_LCD_custom_rate(Pico.m.pal ? LCDR_100 : LCDR_120);\r
791 else unset_LCD_custom_rate();\r
792 }\r
793\r
794 EmuOpt_old = currentConfig.EmuOpt;\r
720ee7f6 795 fpsbuff[0] = 0;\r
796\r
797 // make sure we are in correct mode\r
798 vidResetMode();\r
f013066e 799 scaling_update();\r
e5d315a5 800 Pico.m.dirtyPal = 1;\r
720ee7f6 801 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
720ee7f6 802\r
803 // pal/ntsc might have changed, reset related stuff\r
804 target_fps = Pico.m.pal ? 50 : 60;\r
805 target_frametime = 1000000/target_fps;\r
806 reset_timing = 1;\r
807\r
725d7f6c 808 emu_startSound();\r
720ee7f6 809\r
5f9922e6 810 // prepare CD buffer\r
dd5fd477 811 if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r
5f9922e6 812\r
59d0f042 813 // calc vsync offset to sync timing code with vsync\r
814 if (currentConfig.EmuOpt&0x2000) {\r
815 gettimeofday(&tval, 0);\r
816 gp2x_video_wait_vsync();\r
817 gettimeofday(&tval, 0);\r
818 vsync_offset = tval.tv_usec;\r
819 while (vsync_offset >= target_frametime)\r
820 vsync_offset -= target_frametime;\r
821 if (!vsync_offset) vsync_offset++;\r
822 printf("vsync_offset: %i\n", vsync_offset);\r
823 } else\r
824 vsync_offset = 0;\r
825\r
450dab6f 826 frames_done = frames_shown = thissec =\r
827 pframes_done = pframes_shown = pthissec = 0;\r
828\r
829 // loop\r
720ee7f6 830 while (engineState == PGS_Running)\r
831 {\r
832 int modes;\r
833\r
834 gettimeofday(&tval, 0);\r
0480e6c9 835 if (reset_timing) {\r
720ee7f6 836 reset_timing = 0;\r
450dab6f 837 pthissec = tval.tv_sec;\r
838 pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r
720ee7f6 839 }\r
840\r
841 // show notice message?\r
0480e6c9 842 if (noticeMsgTime.tv_sec)\r
843 {\r
720ee7f6 844 static int noticeMsgSum;\r
845 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
846 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
847 clearArea(0);\r
848 notice = 0;\r
849 } else {\r
850 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
851 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
852 notice = noticeMsg;\r
853 }\r
854 }\r
855\r
856 // check for mode changes\r
857 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
0480e6c9 858 if (modes != oldmodes)\r
859 {\r
720ee7f6 860 int scalex = 320;\r
861 osd_fps_x = OSD_FPS_X;\r
862 if (modes & 4) {\r
863 vidCpyM2 = vidCpyM2_40col;\r
864 } else {\r
865 if (PicoOpt & 0x100) {\r
866 vidCpyM2 = vidCpyM2_32col_nobord;\r
867 scalex = 256;\r
868 osd_fps_x = OSD_FPS_X - 64;\r
869 } else {\r
870 vidCpyM2 = vidCpyM2_32col;\r
871 }\r
872 }\r
79cad122 873 if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
874 gp2x_video_RGB_setscaling(8, scalex, 224);\r
875 else gp2x_video_RGB_setscaling(0, scalex, 240);\r
720ee7f6 876 oldmodes = modes;\r
877 clearArea(1);\r
878 }\r
879\r
880 // second changed?\r
0480e6c9 881 if (thissec != tval.tv_sec)\r
882 {\r
720ee7f6 883#ifdef BENCHMARK\r
884 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
0480e6c9 885 if (++bench == 10) {\r
720ee7f6 886 bench = 0;\r
887 bench_fps_s = bench_fps;\r
888 bf[bfp++ & 3] = bench_fps;\r
889 bench_fps = 0;\r
890 }\r
891 bench_fps += frames_shown;\r
892 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
893#else\r
55c7b464 894 if (currentConfig.EmuOpt & 2) {\r
720ee7f6 895 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
55c7b464 896 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
897 }\r
720ee7f6 898#endif\r
450dab6f 899 frames_shown = frames_done = 0;\r
720ee7f6 900 thissec = tval.tv_sec;\r
450dab6f 901 }\r
902#ifdef PFRAMES\r
903 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
904#endif\r
720ee7f6 905\r
450dab6f 906 if (pthissec != tval.tv_sec)\r
907 {\r
0480e6c9 908 if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
450dab6f 909 pframes_done = pframes_shown = 0;\r
720ee7f6 910 } else {\r
911 // it is quite common for this implementation to leave 1 fame unfinished\r
912 // when second changes, but we don't want buffer to starve.\r
450dab6f 913 if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r
720ee7f6 914 updateKeys();\r
450dab6f 915 SkipFrame(1); pframes_done++;\r
720ee7f6 916 }\r
917\r
450dab6f 918 pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r
919 pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r
920 if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r
720ee7f6 921 }\r
450dab6f 922 pthissec = tval.tv_sec;\r
720ee7f6 923 }\r
59d0f042 924\r
450dab6f 925 lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r
926 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
927 {\r
720ee7f6 928 for(i = 0; i < currentConfig.Frameskip; i++) {\r
929 updateKeys();\r
450dab6f 930 SkipFrame(1); pframes_done++; frames_done++;\r
0480e6c9 931 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
720ee7f6 932 gettimeofday(&tval, 0);\r
450dab6f 933 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
934 if (tval.tv_usec < lim_time) { // we are too fast\r
935 simpleWait(pthissec, lim_time);\r
720ee7f6 936 }\r
937 }\r
938 lim_time += target_frametime;\r
939 }\r
450dab6f 940 }\r
941 else if (tval.tv_usec > lim_time) // auto frameskip\r
942 {\r
720ee7f6 943 // no time left for this frame - skip\r
f013066e 944 if (tval.tv_usec - lim_time >= 300000) {\r
d032c15a 945 /* something caused a slowdown for us (disk access? cache flush?)\r
946 * try to recover by resetting timing... */\r
947 reset_timing = 1;\r
948 continue;\r
949 }\r
720ee7f6 950 updateKeys();\r
450dab6f 951 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
720ee7f6 952 continue;\r
953 }\r
954\r
955 updateKeys();\r
956 PicoFrame();\r
957\r
958 // check time\r
959 gettimeofday(&tval, 0);\r
450dab6f 960 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 961\r
f013066e 962 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
d032c15a 963 reset_timing = 1;\r
964 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
720ee7f6 965 {\r
59d0f042 966 // sleep or vsync if we are still too fast\r
720ee7f6 967 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
0480e6c9 968 if (!reset_timing && tval.tv_usec < lim_time)\r
720ee7f6 969 {\r
970 // we are too fast\r
59d0f042 971 if (vsync_offset) {\r
972 if (lim_time - tval.tv_usec > target_frametime/2)\r
450dab6f 973 simpleWait(pthissec, lim_time - target_frametime/4);\r
59d0f042 974 gp2x_video_wait_vsync();\r
975 } else {\r
450dab6f 976 simpleWait(pthissec, lim_time);\r
59d0f042 977 }\r
720ee7f6 978 }\r
979 }\r
980\r
981 blit(fpsbuff, notice);\r
982\r
450dab6f 983 pframes_done++; pframes_shown++;\r
984 frames_done++; frames_shown++;\r
720ee7f6 985 }\r
986\r
8a091e48 987 emu_changeFastForward(0);\r
5f9922e6 988\r
dd5fd477 989 if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r
5f9922e6 990\r
720ee7f6 991 // save SRAM\r
992 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
6ab2f79c 993 emu_state_cb("Writing SRAM/BRAM..");\r
720ee7f6 994 emu_SaveLoadGame(0, 1);\r
995 SRam.changed = 0;\r
996 }\r
e5d315a5 997\r
13059a60 998 // if in 8bit mode, generate 16bit image for menu background\r
999 if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
84e21f25 1000 emu_forcedFrame(POPT_EN_SOFTSCALE);\r
720ee7f6 1001}\r
1002\r
1003\r
1004void emu_ResetGame(void)\r
1005{\r
8d5cb10d 1006 PicoReset();\r
720ee7f6 1007 reset_timing = 1;\r
1008}\r
1009\r
049a6b3e 1010const char *plat_get_credits(void)\r
1011{\r
1012 return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r
1013 "Credits:\n"\r
1014 "fDave: Cyclone 68000 core,\n"\r
1015 " base code of PicoDrive\n"\r
1016 "Reesy & FluBBa: DrZ80 core\n"\r
1017 "MAME devs: YM2612 and SN76496 cores\n"\r
1018 "rlyeh and others: minimal SDK\n"\r
d572cbad 1019 "Squidge: mmuhack\n"\r
049a6b3e 1020 "Dzz: ARM940 sample\n"\r
1021 "GnoStiC / Puck2099: USB joy code\n"\r
1022 "craigix: GP2X hardware\n"\r
1023 "ketchupgun: skin design\n"\r
1024 "\n"\r
1025 "special thanks (for docs, ideas):\n"\r
1026 " Charles MacDonald, Haze,\n"\r
1027 " Stephane Dallongeville,\n"\r
1028 " Lordus, Exophase, Rokas,\n"\r
1029 " Nemesis, Tasco Deluxe";\r
1030}\r
PicoDrive's frontend in a lib