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gp2x->common menu migration finished, gp2x now only uses input fwk
[libpicofe.git] / gp2x / emu.c
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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
82abf46f 19#include "../common/menu.h"\r
c7a4ff64 20#include "../common/arm_utils.h"\r
21#include "../common/fonts.h"\r
f013066e 22#include "../common/emu.h"\r
0ae25549 23#include "../common/config.h"\r
bc0420cd 24#include "../common/input.h"\r
b3972d82 25#include "../linux/sndout_oss.h"\r
720ee7f6 26#include "cpuctrl.h"\r
049a6b3e 27#include "version.h"\r
720ee7f6 28\r
f11bad75 29#include <pico/pico_int.h>\r
30#include <pico/patch.h>\r
31#include <pico/sound/mix.h>\r
70d2ecc5 32#include <zlib/zlib.h>\r
720ee7f6 33\r
4327ec37 34//#define PFRAMES\r
720ee7f6 35\r
36#ifdef BENCHMARK\r
37#define OSD_FPS_X 220\r
38#else\r
39#define OSD_FPS_X 260\r
40#endif\r
41\r
720ee7f6 42\r
720ee7f6 43int select_exits = 0;\r
720ee7f6 44\r
720ee7f6 45extern int crashed_940;\r
46\r
6245d5a0 47static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
720ee7f6 48static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
8f1b51ef 49static int osd_fps_x;\r
720ee7f6 50static int gp2x_old_gamma = 100;\r
c7a4ff64 51unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r
8f1b51ef 52int reset_timing = 0;\r
720ee7f6 53\r
2b395ee0 54#define PICO_PEN_ADJUST_X 4\r
55#define PICO_PEN_ADJUST_Y 2\r
8a091e48 56static int pico_pen_x = 320/2, pico_pen_y = 240/2;\r
e1cd546f 57\r
f013066e 58static void emu_msg_cb(const char *msg);\r
59static void emu_msg_tray_open(void);\r
720ee7f6 60\r
720ee7f6 61\r
f013066e 62void emu_noticeMsgUpdated(void)\r
720ee7f6 63{\r
f013066e 64 gettimeofday(&noticeMsgTime, 0);\r
720ee7f6 65}\r
66\r
36f6fd5a 67int emu_getMainDir(char *dst, int len)\r
25fced50 68{\r
f013066e 69 extern char **g_argv;\r
70 int j;\r
25fced50 71\r
f013066e 72 strncpy(dst, g_argv[0], len);\r
73 len -= 32; // reserve\r
74 if (len < 0) len = 0;\r
75 dst[len] = 0;\r
76 for (j = strlen(dst); j > 0; j--)\r
77 if (dst[j] == '/') { dst[j+1] = 0; break; }\r
36f6fd5a 78\r
79 return j + 1;\r
25fced50 80}\r
81\r
720ee7f6 82void emu_Init(void)\r
83{\r
84 // make temp buffer for alt renderer\r
c7a4ff64 85 PicoDraw2FB = malloc((8+320)*(8+240+8));\r
86 if (!PicoDraw2FB)\r
720ee7f6 87 {\r
c7a4ff64 88 printf("PicoDraw2FB == 0\n");\r
720ee7f6 89 }\r
90\r
4ffd2858 91 // make dirs for saves, cfgs, etc.\r
92 mkdir("mds", 0777);\r
93 mkdir("srm", 0777);\r
94 mkdir("brm", 0777);\r
95 mkdir("cfg", 0777);\r
96\r
720ee7f6 97 PicoInit();\r
dfa4c846 98 PicoMessage = emu_msg_cb;\r
5e2e14f2 99 PicoMCDopenTray = emu_msg_tray_open;\r
100 PicoMCDcloseTray = menu_loop_tray;\r
720ee7f6 101}\r
102\r
103\r
f013066e 104static void scaling_update(void)\r
79cad122 105{\r
106 PicoOpt &= ~0x4100;\r
107 switch (currentConfig.scaling) {\r
108 default: break; // off\r
109 case 1: // hw hor\r
110 case 2: PicoOpt |= 0x0100; break; // hw hor+vert\r
111 case 3: PicoOpt |= 0x4000; break; // sw hor\r
112 }\r
113}\r
114\r
115\r
720ee7f6 116void emu_Deinit(void)\r
117{\r
118 // save SRAM\r
119 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
120 emu_SaveLoadGame(0, 1);\r
121 SRam.changed = 0;\r
122 }\r
123\r
7f3b59cf 124 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG))\r
125 emu_writelrom();\r
79cad122 126\r
c7a4ff64 127 free(PicoDraw2FB);\r
720ee7f6 128\r
129 PicoExit();\r
720ee7f6 130\r
131 // restore gamma\r
132 if (gp2x_old_gamma != 100)\r
55a951dd 133 set_gamma(100, 0);\r
720ee7f6 134}\r
135\r
0ae25549 136void emu_prepareDefaultConfig(void)\r
137{\r
138 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
100ae778 139 defaultConfig.EmuOpt = 0x9d | 0x00700; // | <- ram_tmng, confirm_save, cd_leds\r
84e21f25 140 defaultConfig.s_PicoOpt = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r
0ae25549 141 defaultConfig.s_PsndRate = 44100;\r
142 defaultConfig.s_PicoRegion = 0; // auto\r
143 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
88bfc63d 144 defaultConfig.s_PicoCDBuffers = 0;\r
0ae25549 145 defaultConfig.Frameskip = -1; // auto\r
146 defaultConfig.CPUclock = 200;\r
147 defaultConfig.volume = 50;\r
0ae25549 148 defaultConfig.gamma = 100;\r
149 defaultConfig.scaling = 0;\r
6589c840 150 defaultConfig.turbo_rate = 15;\r
0ae25549 151}\r
152\r
0805b5b4 153void osd_text(int x, int y, const char *text)\r
720ee7f6 154{\r
155 int len = strlen(text)*8;\r
e31266dd 156 int *p, i, h, offs;\r
720ee7f6 157\r
158 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
720ee7f6 159 len = (len+3) >> 2;\r
160 for (h = 0; h < 8; h++) {\r
e31266dd 161 offs = (x + g_screen_width * (y+h)) & ~3;\r
162 p = (int *) ((char *)g_screen_ptr + offs);\r
163 for (i = len; i; i--, p++)\r
164 *p = 0xe0e0e0e0;\r
720ee7f6 165 }\r
f013066e 166 emu_textOut8(x, y, text);\r
720ee7f6 167 } else {\r
720ee7f6 168 len = (len+1) >> 1;\r
169 for (h = 0; h < 8; h++) {\r
e31266dd 170 offs = (x + g_screen_width * (y+h)) & ~1;\r
171 p = (int *) ((short *)g_screen_ptr + offs);\r
172 for (i = len; i; i--, p++)\r
173 *p = (*p >> 2) & 0x39e7;\r
720ee7f6 174 }\r
f013066e 175 emu_textOut16(x, y, text);\r
720ee7f6 176 }\r
177}\r
178\r
2b395ee0 179static void draw_cd_leds(void)\r
daf91588 180{\r
8dfb9fd5 181// static\r
182 int old_reg;\r
8ede36b9 183// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
daf91588 184 old_reg = Pico_mcd->s68k_regs[0];\r
185\r
186 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
187 // 8-bit modes\r
188 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
189 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
e31266dd 190 *(unsigned int *)((char *)g_screen_ptr + 320*2+ 4) =\r
191 *(unsigned int *)((char *)g_screen_ptr + 320*3+ 4) =\r
192 *(unsigned int *)((char *)g_screen_ptr + 320*4+ 4) = col_g;\r
193 *(unsigned int *)((char *)g_screen_ptr + 320*2+12) =\r
194 *(unsigned int *)((char *)g_screen_ptr + 320*3+12) =\r
195 *(unsigned int *)((char *)g_screen_ptr + 320*4+12) = col_r;\r
daf91588 196 } else {\r
197 // 16-bit modes\r
e31266dd 198 unsigned int *p = (unsigned int *)((short *)g_screen_ptr + 320*2+4);\r
daf91588 199 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
200 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
49fe50f0 201 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
202 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
8ede36b9 203 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
daf91588 204 }\r
205}\r
206\r
2b395ee0 207static void draw_pico_ptr(void)\r
208{\r
e31266dd 209 unsigned short *p = (unsigned short *)g_screen_ptr;\r
2b395ee0 210\r
211 // only if pen enabled and for 16bit modes\r
212 if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r
213\r
214 if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r
215 p += 32;\r
216\r
217 p += 320 * (pico_pen_y + PICO_PEN_ADJUST_Y);\r
218 p += pico_pen_x + PICO_PEN_ADJUST_X;\r
219 p[0] ^= 0xffff;\r
220 p[319] ^= 0xffff;\r
221 p[320] ^= 0xffff;\r
222 p[321] ^= 0xffff;\r
223 p[640] ^= 0xffff;\r
224}\r
225\r
dd5fd477 226static int EmuScanBegin16(unsigned int num)\r
720ee7f6 227{\r
228 if (!(Pico.video.reg[1]&8)) num += 8;\r
e31266dd 229 DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r
720ee7f6 230\r
231 return 0;\r
232}\r
233\r
dd5fd477 234static int EmuScanBegin8(unsigned int num)\r
720ee7f6 235{\r
236 if (!(Pico.video.reg[1]&8)) num += 8;\r
e31266dd 237 DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r
720ee7f6 238\r
239 return 0;\r
240}\r
241\r
e5d315a5 242int localPal[0x100];\r
720ee7f6 243static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
244\r
0805b5b4 245static void blit(const char *fps, const char *notice)\r
720ee7f6 246{\r
daf91588 247 int emu_opt = currentConfig.EmuOpt;\r
248\r
b3818d1e 249 if (PicoOpt&0x10)\r
250 {\r
720ee7f6 251 // 8bit fast renderer\r
252 if (Pico.m.dirtyPal) {\r
253 Pico.m.dirtyPal = 0;\r
254 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
255 // feed new palette to our device\r
256 gp2x_video_setpalette(localPal, 0x40);\r
257 }\r
b3818d1e 258 // a hack for VR\r
259 if (PicoRead16Hook == PicoSVPRead16)\r
260 memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
261 // do actual copy\r
e31266dd 262 vidCpyM2((unsigned char *)g_screen_ptr+320*8, PicoDraw2FB+328*8);\r
b3818d1e 263 }\r
264 else if (!(emu_opt&0x80))\r
265 {\r
720ee7f6 266 // 8bit accurate renderer\r
dd5fd477 267 if (Pico.m.dirtyPal)\r
268 {\r
61f66fe0 269 int pallen = 0xc0;\r
720ee7f6 270 Pico.m.dirtyPal = 0;\r
b13a934c 271 if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
272 {\r
720ee7f6 273 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
274 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
275 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
67dfdf5f 276 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
b13a934c 277 pallen = 0x100;\r
278 }\r
b13a934c 279 else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
720ee7f6 280 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
281 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
282 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
b13a934c 283 }\r
284 else {\r
720ee7f6 285 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
61f66fe0 286 memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r
720ee7f6 287 }\r
b13a934c 288 if (pallen > 0xc0) {\r
289 localPal[0xc0] = 0x0000c000;\r
290 localPal[0xd0] = 0x00c00000;\r
291 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
292 localPal[0xf0] = 0x00ffffff;\r
293 }\r
294 gp2x_video_setpalette(localPal, pallen);\r
720ee7f6 295 }\r
296 }\r
297\r
79cad122 298 if (notice || (emu_opt & 2)) {\r
299 int h = 232;\r
300 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;\r
301 if (notice) osd_text(4, h, notice);\r
302 if (emu_opt & 2)\r
303 osd_text(osd_fps_x, h, fps);\r
304 }\r
dd5fd477 305 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
2b395ee0 306 draw_cd_leds();\r
307 if (PicoAHW & PAHW_PICO)\r
308 draw_pico_ptr();\r
720ee7f6 309\r
310 //gp2x_video_wait_vsync();\r
311 gp2x_video_flip();\r
312\r
313 if (!(PicoOpt&0x10)) {\r
314 if (!(Pico.video.reg[1]&8)) {\r
315 if (currentConfig.EmuOpt&0x80) {\r
e31266dd 316 DrawLineDest = (unsigned short *) g_screen_ptr + 320*8;\r
720ee7f6 317 } else {\r
e31266dd 318 DrawLineDest = (unsigned char *) g_screen_ptr + 320*8;\r
720ee7f6 319 }\r
320 } else {\r
e31266dd 321 DrawLineDest = g_screen_ptr;\r
720ee7f6 322 }\r
323 }\r
324}\r
325\r
326\r
327// clears whole screen or just the notice area (in all buffers)\r
328static void clearArea(int full)\r
329{\r
daf91588 330 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
331 // 8-bit renderers\r
332 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
333 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
334 } else {\r
720ee7f6 335 // 16bit accurate renderer\r
336 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
337 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
720ee7f6 338 }\r
339}\r
340\r
341\r
342static void vidResetMode(void)\r
343{\r
344 if (PicoOpt&0x10) {\r
720ee7f6 345 gp2x_video_changemode(8);\r
720ee7f6 346 } else if (currentConfig.EmuOpt&0x80) {\r
13059a60 347 gp2x_video_changemode(16);\r
720ee7f6 348 PicoDrawSetColorFormat(1);\r
dd5fd477 349 PicoScanBegin = EmuScanBegin16;\r
720ee7f6 350 } else {\r
daf91588 351 gp2x_video_changemode(8);\r
352 PicoDrawSetColorFormat(2);\r
dd5fd477 353 PicoScanBegin = EmuScanBegin8;\r
daf91588 354 }\r
355 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
356 // setup pal for 8-bit modes\r
357 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
358 localPal[0xd0] = 0x00c00000;\r
720ee7f6 359 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
360 localPal[0xf0] = 0x00ffffff;\r
720ee7f6 361 gp2x_video_setpalette(localPal, 0x100);\r
362 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
363 gp2x_video_flip();\r
720ee7f6 364 }\r
365 Pico.m.dirtyPal = 1;\r
366 // reset scaling\r
79cad122 367 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
368 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
369 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
720ee7f6 370}\r
371\r
372\r
dfa4c846 373static void emu_msg_cb(const char *msg)\r
374{\r
375 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
376 // 8-bit renderers\r
377 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
378 osd_text(4, 232, msg);\r
e31266dd 379 gp2x_memcpy_all_buffers((char *)g_screen_ptr+320*232, 320*232, 320*8);\r
dfa4c846 380 } else {\r
381 // 16bit accurate renderer\r
382 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
383 osd_text(4, 232, msg);\r
e31266dd 384 gp2x_memcpy_all_buffers((char *)g_screen_ptr+320*232*2, 320*232*2, 320*8*2);\r
dfa4c846 385 }\r
386 gettimeofday(&noticeMsgTime, 0);\r
387 noticeMsgTime.tv_sec -= 2;\r
e5589947 388\r
389 /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
390 reset_timing = 1;\r
dfa4c846 391}\r
392\r
1078e544 393static void emu_state_cb(const char *str)\r
394{\r
395 clearArea(0);\r
396 blit("", str);\r
397}\r
398\r
5e2e14f2 399static void emu_msg_tray_open(void)\r
400{\r
401 strcpy(noticeMsg, "CD tray opened");\r
402 gettimeofday(&noticeMsgTime, 0);\r
403}\r
404\r
82abf46f 405static void RunEventsPico(unsigned int events)\r
e1cd546f 406{\r
6589c840 407 int ret, px, py, lim_x;\r
3f2aaff2 408 static int pdown_frames = 0;\r
409\r
8a091e48 410 emu_RunEventsPico(events);\r
411\r
6589c840 412 if (pico_inp_mode == 0) return;\r
3f2aaff2 413\r
414 // for F200\r
415 ret = gp2x_touchpad_read(&px, &py);\r
6589c840 416 if (ret >= 0)\r
417 {\r
418 if (ret > 35000)\r
419 {\r
3f2aaff2 420 if (pdown_frames++ > 5)\r
421 PicoPad[0] |= 0x20;\r
422\r
423 pico_pen_x = px;\r
424 pico_pen_y = py;\r
425 if (!(Pico.video.reg[12]&1)) {\r
426 pico_pen_x -= 32;\r
427 if (pico_pen_x < 0) pico_pen_x = 0;\r
428 if (pico_pen_x > 248) pico_pen_x = 248;\r
429 }\r
430 if (pico_pen_y > 224) pico_pen_y = 224;\r
431 }\r
432 else\r
6589c840 433 pdown_frames = 0;\r
3f2aaff2 434\r
435 //if (ret == 0)\r
436 // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
437 }\r
6589c840 438\r
82abf46f 439 if (PicoPad[0] & 1) pico_pen_y--;\r
440 if (PicoPad[0] & 2) pico_pen_y++;\r
441 if (PicoPad[0] & 4) pico_pen_x--;\r
442 if (PicoPad[0] & 8) pico_pen_x++;\r
6589c840 443 PicoPad[0] &= ~0x0f; // release UDLR\r
6589c840 444\r
445 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
446 if (pico_pen_y < 8) pico_pen_y = 8;\r
447 if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r
448 if (pico_pen_x < 0) pico_pen_x = 0;\r
449 if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r
450\r
451 PicoPicohw.pen_pos[0] = pico_pen_x;\r
452 if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r
453 PicoPicohw.pen_pos[0] += 0x3c;\r
454 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
e1cd546f 455}\r
456\r
0480e6c9 457static void update_volume(int has_changed, int is_up)\r
458{\r
459 static int prev_frame = 0, wait_frames = 0;\r
460 int vol = currentConfig.volume;\r
461\r
462 if (has_changed)\r
463 {\r
464 if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
465 wait_frames++;\r
466 else {\r
467 if (is_up) {\r
468 if (vol < 99) vol++;\r
469 } else {\r
470 if (vol > 0) vol--;\r
471 }\r
472 wait_frames = 0;\r
b3972d82 473 sndout_oss_setvol(vol, vol);\r
0480e6c9 474 currentConfig.volume = vol;\r
475 }\r
476 sprintf(noticeMsg, "VOL: %02i", vol);\r
477 gettimeofday(&noticeMsgTime, 0);\r
478 prev_frame = Pico.m.frame_count;\r
479 }\r
480\r
481 // set the right mixer func\r
482 if (!(PicoOpt&8)) return; // just use defaults for mono\r
483 if (vol >= 5)\r
484 PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
485 else {\r
486 mix_32_to_16l_level = 5 - vol;\r
487 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
488 }\r
489}\r
490\r
720ee7f6 491static void RunEvents(unsigned int which)\r
492{\r
0480e6c9 493 if (which & 0x1800) // save or load (but not both)\r
494 {\r
720ee7f6 495 int do_it = 1;\r
f013066e 496 if ( emu_checkSaveFile(state_slot) &&\r
82abf46f 497 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r
498 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save\r
499 {\r
500 const char *nm;\r
501 char tmp[64];\r
502 int keys, len;\r
503\r
504 strcpy(tmp, (which & 0x1000) ? "LOAD STATE? " : "OVERWRITE SAVE? ");\r
505 len = strlen(tmp);\r
506 nm = in_get_key_name(-1, -PBTN_MA3);\r
507 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
508 len = strlen(tmp);\r
509 nm = in_get_key_name(-1, -PBTN_MBACK);\r
510 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
511\r
512 blit("", tmp);\r
513\r
514 in_set_blocking(1);\r
515 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK)); // wait for release\r
516 while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) ); // .. press\r
517 if (keys & PBTN_MBACK)\r
518 do_it = 0;\r
519 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK)); // .. release\r
520 in_set_blocking(0);\r
521\r
720ee7f6 522 clearArea(0);\r
523 }\r
524 if (do_it) {\r
0805b5b4 525 osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
1078e544 526 PicoStateProgressCB = emu_state_cb;\r
e31266dd 527 gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);\r
0805b5b4 528 emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
1078e544 529 PicoStateProgressCB = NULL;\r
720ee7f6 530 }\r
531\r
532 reset_timing = 1;\r
533 }\r
0480e6c9 534 if (which & 0x0400) // switch renderer\r
535 {\r
720ee7f6 536 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
537 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
538 else currentConfig.EmuOpt &= ~0x80;\r
539\r
540 vidResetMode();\r
541\r
542 if (PicoOpt&0x10) {\r
543 strcpy(noticeMsg, " 8bit fast renderer");\r
544 } else if (currentConfig.EmuOpt&0x80) {\r
545 strcpy(noticeMsg, "16bit accurate renderer");\r
546 } else {\r
547 strcpy(noticeMsg, " 8bit accurate renderer");\r
548 }\r
549\r
82abf46f 550 emu_noticeMsgUpdated();\r
720ee7f6 551 }\r
0480e6c9 552 if (which & 0x0300)\r
553 {\r
720ee7f6 554 if(which&0x0200) {\r
555 state_slot -= 1;\r
556 if(state_slot < 0) state_slot = 9;\r
557 } else {\r
558 state_slot += 1;\r
559 if(state_slot > 9) state_slot = 0;\r
560 }\r
f013066e 561 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r
82abf46f 562 emu_noticeMsgUpdated();\r
720ee7f6 563 }\r
0480e6c9 564 if (which & 0x0080) {\r
720ee7f6 565 engineState = PGS_Menu;\r
566 }\r
567}\r
568\r
720ee7f6 569static void updateKeys(void)\r
570{\r
82abf46f 571 unsigned int allActions[2] = { 0, 0 }, events;\r
e1cd546f 572 static unsigned int prevEvents = 0;\r
720ee7f6 573\r
2c600560 574 /* FIXME: player2 */\r
fce20e73 575 allActions[0] = in_update();\r
720ee7f6 576\r
6589c840 577 PicoPad[0] = allActions[0] & 0xfff;\r
578 PicoPad[1] = allActions[1] & 0xfff;\r
579\r
580 if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r
581 if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r
720ee7f6 582\r
583 events = (allActions[0] | allActions[1]) >> 16;\r
584\r
585 // volume is treated in special way and triggered every frame\r
0480e6c9 586 if (events & 0x6000)\r
587 update_volume(1, events & 0x2000);\r
588\r
8a091e48 589 if ((events ^ prevEvents) & 0x40) {\r
590 emu_changeFastForward(events & 0x40);\r
591 update_volume(0, 0);\r
592 reset_timing = 1;\r
593 }\r
720ee7f6 594\r
595 events &= ~prevEvents;\r
e1cd546f 596\r
597 if (PicoAHW == PAHW_PICO)\r
82abf46f 598 RunEventsPico(events);\r
720ee7f6 599 if (events) RunEvents(events);\r
f013066e 600 if (movie_data) emu_updateMovie();\r
720ee7f6 601\r
602 prevEvents = (allActions[0] | allActions[1]) >> 16;\r
603}\r
604\r
720ee7f6 605\r
3ef975c9 606static void updateSound(int len)\r
720ee7f6 607{\r
3ef975c9 608 if (PicoOpt&8) len<<=1;\r
720ee7f6 609\r
d9a18943 610 /* avoid writing audio when lagging behind to prevent audio lag */\r
611 if (PicoSkipFrame != 2)\r
b3972d82 612 sndout_oss_write(PsndOut, len<<1);\r
720ee7f6 613}\r
614\r
725d7f6c 615void emu_startSound(void)\r
616{\r
617 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
618 int target_fps = Pico.m.pal ? 50 : 60;\r
619\r
620 PsndOut = NULL;\r
621\r
622 // prepare sound stuff\r
623 if (currentConfig.EmuOpt & 4)\r
624 {\r
625 int snd_excess_add;\r
626 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r
627 ((PicoOpt&0x200) && crashed_940)) {\r
628 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
629 }\r
630 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
631 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
632 PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
b3972d82 633 sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r
634 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
725d7f6c 635 PicoWriteSound = updateSound;\r
636 update_volume(0, 0);\r
637 memset(sndBuffer, 0, sizeof(sndBuffer));\r
638 PsndOut = sndBuffer;\r
639 PsndRate_old = PsndRate;\r
640 PicoOpt_old = PicoOpt;\r
641 pal_old = Pico.m.pal;\r
642 }\r
643}\r
644\r
645void emu_endSound(void)\r
646{\r
647}\r
648\r
649/* wait until we can write more sound */\r
650void emu_waitSound(void)\r
651{\r
652 // don't need to do anything, writes will block by themselves\r
653}\r
654\r
720ee7f6 655\r
d9a18943 656static void SkipFrame(int do_audio)\r
720ee7f6 657{\r
d9a18943 658 PicoSkipFrame=do_audio ? 1 : 2;\r
720ee7f6 659 PicoFrame();\r
660 PicoSkipFrame=0;\r
720ee7f6 661}\r
662\r
663\r
84e21f25 664void emu_forcedFrame(int opts)\r
4ffd2858 665{\r
666 int po_old = PicoOpt;\r
13059a60 667 int eo_old = currentConfig.EmuOpt;\r
668\r
84e21f25 669 PicoOpt &= ~0x10;\r
670 PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r
13059a60 671 currentConfig.EmuOpt |= 0x80;\r
4ffd2858 672\r
13059a60 673 //vidResetMode();\r
674 PicoDrawSetColorFormat(1);\r
dd5fd477 675 PicoScanBegin = EmuScanBegin16;\r
13059a60 676 Pico.m.dirtyPal = 1;\r
677 PicoFrameDrawOnly();\r
4ffd2858 678\r
13059a60 679/*\r
4ffd2858 680 if (!(Pico.video.reg[12]&1)) {\r
dccc2bd0 681 vidCpyM2 = vidCpyM2_32col;\r
4ffd2858 682 clearArea(1);\r
dccc2bd0 683 } else vidCpyM2 = vidCpyM2_40col;\r
4ffd2858 684\r
e31266dd 685 vidCpyM2((unsigned char *)g_screen_ptr+320*8, PicoDraw2FB+328*8);\r
4ffd2858 686 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
687 gp2x_video_setpalette(localPal, 0x40);\r
13059a60 688*/\r
e1aa0fa7 689 PicoOpt = po_old;\r
13059a60 690 currentConfig.EmuOpt = eo_old;\r
4ffd2858 691}\r
692\r
7443ecd9 693void emu_platformDebugCat(char *str)\r
694{\r
695 // nothing\r
696}\r
697\r
720ee7f6 698static void simpleWait(int thissec, int lim_time)\r
699{\r
700 struct timeval tval;\r
701\r
702 spend_cycles(1024);\r
703 gettimeofday(&tval, 0);\r
450dab6f 704 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 705\r
450dab6f 706 while (tval.tv_usec < lim_time)\r
720ee7f6 707 {\r
708 spend_cycles(1024);\r
709 gettimeofday(&tval, 0);\r
450dab6f 710 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 711 }\r
712}\r
713\r
714\r
450dab6f 715#if 0\r
716static void tga_dump(void)\r
717{\r
718#define BYTE unsigned char\r
719#define WORD unsigned short\r
720 struct\r
721 {\r
722 BYTE IDLength; /* 00h Size of Image ID field */\r
723 BYTE ColorMapType; /* 01h Color map type */\r
724 BYTE ImageType; /* 02h Image type code */\r
725 WORD CMapStart; /* 03h Color map origin */\r
726 WORD CMapLength; /* 05h Color map length */\r
727 BYTE CMapDepth; /* 07h Depth of color map entries */\r
728 WORD XOffset; /* 08h X origin of image */\r
729 WORD YOffset; /* 0Ah Y origin of image */\r
730 WORD Width; /* 0Ch Width of image */\r
731 WORD Height; /* 0Eh Height of image */\r
732 BYTE PixelDepth; /* 10h Image pixel size */\r
733 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
734 } __attribute__((packed)) TGAHEAD;\r
735 static unsigned short oldscr[320*240];\r
736 FILE *f; char name[128]; int i;\r
737\r
738 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
739 TGAHEAD.ImageType = 2;\r
740 TGAHEAD.Width = 320;\r
741 TGAHEAD.Height = 240;\r
742 TGAHEAD.PixelDepth = 16;\r
743 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
744\r
745#define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
746\r
747 for (i = 0; i < 320*240; i++)\r
e31266dd 748 if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r
450dab6f 749 if (i < 320*240)\r
750 {\r
751 for (i = 0; i < 320*240; i++)\r
e31266dd 752 oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r
450dab6f 753 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
754 f = fopen(name, "wb");\r
755 if (!f) { printf("!f\n"); exit(1); }\r
756 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
757 fwrite(oldscr, 1, 320*240*2, f);\r
758 fclose(f);\r
759 }\r
760}\r
761#endif\r
762\r
763\r
720ee7f6 764void emu_Loop(void)\r
765{\r
725d7f6c 766 static int gp2x_old_clock = 200, EmuOpt_old = 0;\r
720ee7f6 767 char fpsbuff[24]; // fps count c string\r
768 struct timeval tval; // timing\r
450dab6f 769 int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r
770 int frames_done, frames_shown, thissec; // actual frames\r
771 int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r
720ee7f6 772 char *notice = 0;\r
773\r
774 printf("entered emu_Loop()\n");\r
775\r
776 if (gp2x_old_clock != currentConfig.CPUclock) {\r
777 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
778 set_FCLK(currentConfig.CPUclock);\r
779 gp2x_old_clock = currentConfig.CPUclock;\r
780 printf(" done\n");\r
781 }\r
782\r
55a951dd 783 if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
784 set_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 785 gp2x_old_gamma = currentConfig.gamma;\r
55a951dd 786 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 787 }\r
788\r
59d0f042 789 if ((EmuOpt_old&0x2000) != (currentConfig.EmuOpt&0x2000)) {\r
790 if (currentConfig.EmuOpt&0x2000)\r
791 set_LCD_custom_rate(Pico.m.pal ? LCDR_100 : LCDR_120);\r
792 else unset_LCD_custom_rate();\r
793 }\r
794\r
795 EmuOpt_old = currentConfig.EmuOpt;\r
720ee7f6 796 fpsbuff[0] = 0;\r
797\r
798 // make sure we are in correct mode\r
799 vidResetMode();\r
f013066e 800 scaling_update();\r
e5d315a5 801 Pico.m.dirtyPal = 1;\r
720ee7f6 802 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
720ee7f6 803\r
804 // pal/ntsc might have changed, reset related stuff\r
805 target_fps = Pico.m.pal ? 50 : 60;\r
806 target_frametime = 1000000/target_fps;\r
807 reset_timing = 1;\r
808\r
725d7f6c 809 emu_startSound();\r
720ee7f6 810\r
5f9922e6 811 // prepare CD buffer\r
dd5fd477 812 if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r
5f9922e6 813\r
59d0f042 814 // calc vsync offset to sync timing code with vsync\r
815 if (currentConfig.EmuOpt&0x2000) {\r
816 gettimeofday(&tval, 0);\r
817 gp2x_video_wait_vsync();\r
818 gettimeofday(&tval, 0);\r
819 vsync_offset = tval.tv_usec;\r
820 while (vsync_offset >= target_frametime)\r
821 vsync_offset -= target_frametime;\r
822 if (!vsync_offset) vsync_offset++;\r
823 printf("vsync_offset: %i\n", vsync_offset);\r
824 } else\r
825 vsync_offset = 0;\r
826\r
450dab6f 827 frames_done = frames_shown = thissec =\r
828 pframes_done = pframes_shown = pthissec = 0;\r
829\r
830 // loop\r
720ee7f6 831 while (engineState == PGS_Running)\r
832 {\r
833 int modes;\r
834\r
835 gettimeofday(&tval, 0);\r
0480e6c9 836 if (reset_timing) {\r
720ee7f6 837 reset_timing = 0;\r
450dab6f 838 pthissec = tval.tv_sec;\r
839 pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r
720ee7f6 840 }\r
841\r
842 // show notice message?\r
0480e6c9 843 if (noticeMsgTime.tv_sec)\r
844 {\r
720ee7f6 845 static int noticeMsgSum;\r
846 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
847 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
848 clearArea(0);\r
849 notice = 0;\r
850 } else {\r
851 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
852 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
853 notice = noticeMsg;\r
854 }\r
855 }\r
856\r
857 // check for mode changes\r
858 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
0480e6c9 859 if (modes != oldmodes)\r
860 {\r
720ee7f6 861 int scalex = 320;\r
862 osd_fps_x = OSD_FPS_X;\r
863 if (modes & 4) {\r
864 vidCpyM2 = vidCpyM2_40col;\r
865 } else {\r
866 if (PicoOpt & 0x100) {\r
867 vidCpyM2 = vidCpyM2_32col_nobord;\r
868 scalex = 256;\r
869 osd_fps_x = OSD_FPS_X - 64;\r
870 } else {\r
871 vidCpyM2 = vidCpyM2_32col;\r
872 }\r
873 }\r
79cad122 874 if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
875 gp2x_video_RGB_setscaling(8, scalex, 224);\r
876 else gp2x_video_RGB_setscaling(0, scalex, 240);\r
720ee7f6 877 oldmodes = modes;\r
878 clearArea(1);\r
879 }\r
880\r
881 // second changed?\r
0480e6c9 882 if (thissec != tval.tv_sec)\r
883 {\r
720ee7f6 884#ifdef BENCHMARK\r
885 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
0480e6c9 886 if (++bench == 10) {\r
720ee7f6 887 bench = 0;\r
888 bench_fps_s = bench_fps;\r
889 bf[bfp++ & 3] = bench_fps;\r
890 bench_fps = 0;\r
891 }\r
892 bench_fps += frames_shown;\r
893 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
894#else\r
55c7b464 895 if (currentConfig.EmuOpt & 2) {\r
720ee7f6 896 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
55c7b464 897 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
898 }\r
720ee7f6 899#endif\r
450dab6f 900 frames_shown = frames_done = 0;\r
720ee7f6 901 thissec = tval.tv_sec;\r
450dab6f 902 }\r
903#ifdef PFRAMES\r
904 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
905#endif\r
720ee7f6 906\r
450dab6f 907 if (pthissec != tval.tv_sec)\r
908 {\r
0480e6c9 909 if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
450dab6f 910 pframes_done = pframes_shown = 0;\r
720ee7f6 911 } else {\r
912 // it is quite common for this implementation to leave 1 fame unfinished\r
913 // when second changes, but we don't want buffer to starve.\r
450dab6f 914 if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r
720ee7f6 915 updateKeys();\r
450dab6f 916 SkipFrame(1); pframes_done++;\r
720ee7f6 917 }\r
918\r
450dab6f 919 pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r
920 pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r
921 if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r
720ee7f6 922 }\r
450dab6f 923 pthissec = tval.tv_sec;\r
720ee7f6 924 }\r
59d0f042 925\r
450dab6f 926 lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r
927 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
928 {\r
720ee7f6 929 for(i = 0; i < currentConfig.Frameskip; i++) {\r
930 updateKeys();\r
450dab6f 931 SkipFrame(1); pframes_done++; frames_done++;\r
0480e6c9 932 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
720ee7f6 933 gettimeofday(&tval, 0);\r
450dab6f 934 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
935 if (tval.tv_usec < lim_time) { // we are too fast\r
936 simpleWait(pthissec, lim_time);\r
720ee7f6 937 }\r
938 }\r
939 lim_time += target_frametime;\r
940 }\r
450dab6f 941 }\r
942 else if (tval.tv_usec > lim_time) // auto frameskip\r
943 {\r
720ee7f6 944 // no time left for this frame - skip\r
f013066e 945 if (tval.tv_usec - lim_time >= 300000) {\r
d032c15a 946 /* something caused a slowdown for us (disk access? cache flush?)\r
947 * try to recover by resetting timing... */\r
948 reset_timing = 1;\r
949 continue;\r
950 }\r
720ee7f6 951 updateKeys();\r
450dab6f 952 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
720ee7f6 953 continue;\r
954 }\r
955\r
956 updateKeys();\r
957 PicoFrame();\r
958\r
959 // check time\r
960 gettimeofday(&tval, 0);\r
450dab6f 961 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 962\r
f013066e 963 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
d032c15a 964 reset_timing = 1;\r
965 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
720ee7f6 966 {\r
59d0f042 967 // sleep or vsync if we are still too fast\r
720ee7f6 968 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
0480e6c9 969 if (!reset_timing && tval.tv_usec < lim_time)\r
720ee7f6 970 {\r
971 // we are too fast\r
59d0f042 972 if (vsync_offset) {\r
973 if (lim_time - tval.tv_usec > target_frametime/2)\r
450dab6f 974 simpleWait(pthissec, lim_time - target_frametime/4);\r
59d0f042 975 gp2x_video_wait_vsync();\r
976 } else {\r
450dab6f 977 simpleWait(pthissec, lim_time);\r
59d0f042 978 }\r
720ee7f6 979 }\r
980 }\r
981\r
982 blit(fpsbuff, notice);\r
983\r
450dab6f 984 pframes_done++; pframes_shown++;\r
985 frames_done++; frames_shown++;\r
720ee7f6 986 }\r
987\r
8a091e48 988 emu_changeFastForward(0);\r
5f9922e6 989\r
dd5fd477 990 if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r
5f9922e6 991\r
720ee7f6 992 // save SRAM\r
993 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
6ab2f79c 994 emu_state_cb("Writing SRAM/BRAM..");\r
720ee7f6 995 emu_SaveLoadGame(0, 1);\r
996 SRam.changed = 0;\r
997 }\r
e5d315a5 998\r
13059a60 999 // if in 8bit mode, generate 16bit image for menu background\r
1000 if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
84e21f25 1001 emu_forcedFrame(POPT_EN_SOFTSCALE);\r
720ee7f6 1002}\r
1003\r
1004\r
1005void emu_ResetGame(void)\r
1006{\r
8d5cb10d 1007 PicoReset();\r
720ee7f6 1008 reset_timing = 1;\r
1009}\r
1010\r
049a6b3e 1011const char *plat_get_credits(void)\r
1012{\r
1013 return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r
1014 "Credits:\n"\r
1015 "fDave: Cyclone 68000 core,\n"\r
1016 " base code of PicoDrive\n"\r
1017 "Reesy & FluBBa: DrZ80 core\n"\r
1018 "MAME devs: YM2612 and SN76496 cores\n"\r
1019 "rlyeh and others: minimal SDK\n"\r
1020 "Squidge: squidgehack\n"\r
1021 "Dzz: ARM940 sample\n"\r
1022 "GnoStiC / Puck2099: USB joy code\n"\r
1023 "craigix: GP2X hardware\n"\r
1024 "ketchupgun: skin design\n"\r
1025 "\n"\r
1026 "special thanks (for docs, ideas):\n"\r
1027 " Charles MacDonald, Haze,\n"\r
1028 " Stephane Dallongeville,\n"\r
1029 " Lordus, Exophase, Rokas,\n"\r
1030 " Nemesis, Tasco Deluxe";\r
1031}\r
PicoDrive's frontend in a lib