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 |
fa5e045b |
18 | #include "plat_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 |
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 |
43 | extern int crashed_940;\r |
44 | \r |
6245d5a0 |
45 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r |
720ee7f6 |
46 | static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r |
8f1b51ef |
47 | static int osd_fps_x;\r |
720ee7f6 |
48 | static int gp2x_old_gamma = 100;\r |
c7a4ff64 |
49 | unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r |
8f1b51ef |
50 | int reset_timing = 0;\r |
720ee7f6 |
51 | \r |
2b395ee0 |
52 | #define PICO_PEN_ADJUST_X 4\r |
53 | #define PICO_PEN_ADJUST_Y 2\r |
8a091e48 |
54 | static int pico_pen_x = 320/2, pico_pen_y = 240/2;\r |
e1cd546f |
55 | \r |
f013066e |
56 | static void emu_msg_cb(const char *msg);\r |
57 | static void emu_msg_tray_open(void);\r |
720ee7f6 |
58 | \r |
720ee7f6 |
59 | \r |
f013066e |
60 | void emu_noticeMsgUpdated(void)\r |
720ee7f6 |
61 | {\r |
f013066e |
62 | gettimeofday(¬iceMsgTime, 0);\r |
720ee7f6 |
63 | }\r |
64 | \r |
36f6fd5a |
65 | int emu_getMainDir(char *dst, int len)\r |
25fced50 |
66 | {\r |
f013066e |
67 | extern char **g_argv;\r |
68 | int j;\r |
25fced50 |
69 | \r |
f013066e |
70 | strncpy(dst, g_argv[0], len);\r |
71 | len -= 32; // reserve\r |
72 | if (len < 0) len = 0;\r |
73 | dst[len] = 0;\r |
74 | for (j = strlen(dst); j > 0; j--)\r |
75 | if (dst[j] == '/') { dst[j+1] = 0; break; }\r |
36f6fd5a |
76 | \r |
77 | return j + 1;\r |
25fced50 |
78 | }\r |
79 | \r |
720ee7f6 |
80 | void emu_Init(void)\r |
81 | {\r |
82 | // make temp buffer for alt renderer\r |
c7a4ff64 |
83 | PicoDraw2FB = malloc((8+320)*(8+240+8));\r |
84 | if (!PicoDraw2FB)\r |
720ee7f6 |
85 | {\r |
c7a4ff64 |
86 | printf("PicoDraw2FB == 0\n");\r |
720ee7f6 |
87 | }\r |
88 | \r |
4ffd2858 |
89 | // make dirs for saves, cfgs, etc.\r |
90 | mkdir("mds", 0777);\r |
91 | mkdir("srm", 0777);\r |
92 | mkdir("brm", 0777);\r |
93 | mkdir("cfg", 0777);\r |
94 | \r |
720ee7f6 |
95 | PicoInit();\r |
dfa4c846 |
96 | PicoMessage = emu_msg_cb;\r |
5e2e14f2 |
97 | PicoMCDopenTray = emu_msg_tray_open;\r |
98 | PicoMCDcloseTray = menu_loop_tray;\r |
720ee7f6 |
99 | }\r |
100 | \r |
101 | \r |
f013066e |
102 | static void scaling_update(void)\r |
79cad122 |
103 | {\r |
fa8d1331 |
104 | PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);\r |
79cad122 |
105 | switch (currentConfig.scaling) {\r |
fa8d1331 |
106 | default:break;\r |
107 | case EOPT_SCALE_HW_H:\r |
108 | case EOPT_SCALE_HW_HV:\r |
109 | PicoOpt |= POPT_DIS_32C_BORDER;\r |
110 | break;\r |
111 | case EOPT_SCALE_SW_H:\r |
112 | PicoOpt |= POPT_EN_SOFTSCALE;\r |
113 | break;\r |
79cad122 |
114 | }\r |
115 | }\r |
116 | \r |
117 | \r |
720ee7f6 |
118 | void emu_Deinit(void)\r |
119 | {\r |
120 | // save SRAM\r |
121 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
122 | emu_SaveLoadGame(0, 1);\r |
123 | SRam.changed = 0;\r |
124 | }\r |
125 | \r |
7f3b59cf |
126 | if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG))\r |
127 | emu_writelrom();\r |
79cad122 |
128 | \r |
c7a4ff64 |
129 | free(PicoDraw2FB);\r |
720ee7f6 |
130 | \r |
131 | PicoExit();\r |
720ee7f6 |
132 | \r |
133 | // restore gamma\r |
134 | if (gp2x_old_gamma != 100)\r |
fa5e045b |
135 | set_lcd_gamma(100, 0);\r |
720ee7f6 |
136 | }\r |
137 | \r |
0ae25549 |
138 | void emu_prepareDefaultConfig(void)\r |
139 | {\r |
fa8d1331 |
140 | gp2x_soc_t soc;\r |
141 | \r |
0ae25549 |
142 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
fa8d1331 |
143 | defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS | 0x600; // | <- confirm_save, cd_leds\r |
144 | defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r |
0ae25549 |
145 | defaultConfig.s_PsndRate = 44100;\r |
146 | defaultConfig.s_PicoRegion = 0; // auto\r |
147 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
88bfc63d |
148 | defaultConfig.s_PicoCDBuffers = 0;\r |
0ae25549 |
149 | defaultConfig.Frameskip = -1; // auto\r |
fa8d1331 |
150 | defaultConfig.CPUclock = default_cpu_clock;\r |
0ae25549 |
151 | defaultConfig.volume = 50;\r |
0ae25549 |
152 | defaultConfig.gamma = 100;\r |
153 | defaultConfig.scaling = 0;\r |
6589c840 |
154 | defaultConfig.turbo_rate = 15;\r |
fa8d1331 |
155 | \r |
156 | soc = soc_detect();\r |
157 | if (soc == SOCID_MMSP2)\r |
158 | defaultConfig.s_PicoOpt |= POPT_EXT_FM;\r |
0ae25549 |
159 | }\r |
160 | \r |
0805b5b4 |
161 | void osd_text(int x, int y, const char *text)\r |
720ee7f6 |
162 | {\r |
163 | int len = strlen(text)*8;\r |
e31266dd |
164 | int *p, i, h, offs;\r |
720ee7f6 |
165 | \r |
166 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
720ee7f6 |
167 | len = (len+3) >> 2;\r |
168 | for (h = 0; h < 8; h++) {\r |
e31266dd |
169 | offs = (x + g_screen_width * (y+h)) & ~3;\r |
170 | p = (int *) ((char *)g_screen_ptr + offs);\r |
171 | for (i = len; i; i--, p++)\r |
172 | *p = 0xe0e0e0e0;\r |
720ee7f6 |
173 | }\r |
f013066e |
174 | emu_textOut8(x, y, text);\r |
720ee7f6 |
175 | } else {\r |
720ee7f6 |
176 | len = (len+1) >> 1;\r |
177 | for (h = 0; h < 8; h++) {\r |
e31266dd |
178 | offs = (x + g_screen_width * (y+h)) & ~1;\r |
179 | p = (int *) ((short *)g_screen_ptr + offs);\r |
180 | for (i = len; i; i--, p++)\r |
181 | *p = (*p >> 2) & 0x39e7;\r |
720ee7f6 |
182 | }\r |
f013066e |
183 | emu_textOut16(x, y, text);\r |
720ee7f6 |
184 | }\r |
185 | }\r |
186 | \r |
2b395ee0 |
187 | static void draw_cd_leds(void)\r |
daf91588 |
188 | {\r |
8dfb9fd5 |
189 | // static\r |
190 | int old_reg;\r |
8ede36b9 |
191 | // if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r |
daf91588 |
192 | old_reg = Pico_mcd->s68k_regs[0];\r |
193 | \r |
194 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
195 | // 8-bit modes\r |
196 | unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
197 | unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
e31266dd |
198 | *(unsigned int *)((char *)g_screen_ptr + 320*2+ 4) =\r |
199 | *(unsigned int *)((char *)g_screen_ptr + 320*3+ 4) =\r |
200 | *(unsigned int *)((char *)g_screen_ptr + 320*4+ 4) = col_g;\r |
201 | *(unsigned int *)((char *)g_screen_ptr + 320*2+12) =\r |
202 | *(unsigned int *)((char *)g_screen_ptr + 320*3+12) =\r |
203 | *(unsigned int *)((char *)g_screen_ptr + 320*4+12) = col_r;\r |
daf91588 |
204 | } else {\r |
205 | // 16-bit modes\r |
e31266dd |
206 | unsigned int *p = (unsigned int *)((short *)g_screen_ptr + 320*2+4);\r |
daf91588 |
207 | unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r |
208 | unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r |
49fe50f0 |
209 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r |
210 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r |
8ede36b9 |
211 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r |
daf91588 |
212 | }\r |
213 | }\r |
214 | \r |
2b395ee0 |
215 | static void draw_pico_ptr(void)\r |
216 | {\r |
e31266dd |
217 | unsigned short *p = (unsigned short *)g_screen_ptr;\r |
2b395ee0 |
218 | \r |
219 | // only if pen enabled and for 16bit modes\r |
220 | if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r |
221 | \r |
222 | if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r |
223 | p += 32;\r |
224 | \r |
225 | p += 320 * (pico_pen_y + PICO_PEN_ADJUST_Y);\r |
226 | p += pico_pen_x + PICO_PEN_ADJUST_X;\r |
227 | p[0] ^= 0xffff;\r |
228 | p[319] ^= 0xffff;\r |
229 | p[320] ^= 0xffff;\r |
230 | p[321] ^= 0xffff;\r |
231 | p[640] ^= 0xffff;\r |
232 | }\r |
233 | \r |
dd5fd477 |
234 | static int EmuScanBegin16(unsigned int num)\r |
720ee7f6 |
235 | {\r |
236 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
e31266dd |
237 | DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r |
720ee7f6 |
238 | \r |
239 | return 0;\r |
240 | }\r |
241 | \r |
dd5fd477 |
242 | static int EmuScanBegin8(unsigned int num)\r |
720ee7f6 |
243 | {\r |
244 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
e31266dd |
245 | DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r |
720ee7f6 |
246 | \r |
247 | return 0;\r |
248 | }\r |
249 | \r |
e5d315a5 |
250 | int localPal[0x100];\r |
720ee7f6 |
251 | static void (*vidCpyM2)(void *dest, void *src) = NULL;\r |
252 | \r |
0805b5b4 |
253 | static void blit(const char *fps, const char *notice)\r |
720ee7f6 |
254 | {\r |
daf91588 |
255 | int emu_opt = currentConfig.EmuOpt;\r |
256 | \r |
b3818d1e |
257 | if (PicoOpt&0x10)\r |
258 | {\r |
720ee7f6 |
259 | // 8bit fast renderer\r |
260 | if (Pico.m.dirtyPal) {\r |
261 | Pico.m.dirtyPal = 0;\r |
262 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
263 | // feed new palette to our device\r |
264 | gp2x_video_setpalette(localPal, 0x40);\r |
265 | }\r |
b3818d1e |
266 | // a hack for VR\r |
267 | if (PicoRead16Hook == PicoSVPRead16)\r |
268 | memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r |
269 | // do actual copy\r |
e31266dd |
270 | vidCpyM2((unsigned char *)g_screen_ptr+320*8, PicoDraw2FB+328*8);\r |
b3818d1e |
271 | }\r |
272 | else if (!(emu_opt&0x80))\r |
273 | {\r |
720ee7f6 |
274 | // 8bit accurate renderer\r |
dd5fd477 |
275 | if (Pico.m.dirtyPal)\r |
276 | {\r |
61f66fe0 |
277 | int pallen = 0xc0;\r |
720ee7f6 |
278 | Pico.m.dirtyPal = 0;\r |
b13a934c |
279 | if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r |
280 | {\r |
720ee7f6 |
281 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
282 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
283 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
67dfdf5f |
284 | memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r |
b13a934c |
285 | pallen = 0x100;\r |
286 | }\r |
b13a934c |
287 | else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r |
720ee7f6 |
288 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
289 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
290 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
b13a934c |
291 | }\r |
292 | else {\r |
720ee7f6 |
293 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
61f66fe0 |
294 | memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r |
720ee7f6 |
295 | }\r |
b13a934c |
296 | if (pallen > 0xc0) {\r |
297 | localPal[0xc0] = 0x0000c000;\r |
298 | localPal[0xd0] = 0x00c00000;\r |
299 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
300 | localPal[0xf0] = 0x00ffffff;\r |
301 | }\r |
302 | gp2x_video_setpalette(localPal, pallen);\r |
720ee7f6 |
303 | }\r |
304 | }\r |
305 | \r |
79cad122 |
306 | if (notice || (emu_opt & 2)) {\r |
307 | int h = 232;\r |
fa8d1331 |
308 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r |
309 | h -= 8;\r |
310 | if (notice)\r |
311 | osd_text(4, h, notice);\r |
79cad122 |
312 | if (emu_opt & 2)\r |
313 | osd_text(osd_fps_x, h, fps);\r |
314 | }\r |
dd5fd477 |
315 | if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r |
2b395ee0 |
316 | draw_cd_leds();\r |
317 | if (PicoAHW & PAHW_PICO)\r |
318 | draw_pico_ptr();\r |
720ee7f6 |
319 | \r |
320 | //gp2x_video_wait_vsync();\r |
321 | gp2x_video_flip();\r |
322 | \r |
323 | if (!(PicoOpt&0x10)) {\r |
324 | if (!(Pico.video.reg[1]&8)) {\r |
325 | if (currentConfig.EmuOpt&0x80) {\r |
e31266dd |
326 | DrawLineDest = (unsigned short *) g_screen_ptr + 320*8;\r |
720ee7f6 |
327 | } else {\r |
e31266dd |
328 | DrawLineDest = (unsigned char *) g_screen_ptr + 320*8;\r |
720ee7f6 |
329 | }\r |
330 | } else {\r |
e31266dd |
331 | DrawLineDest = g_screen_ptr;\r |
720ee7f6 |
332 | }\r |
333 | }\r |
334 | }\r |
335 | \r |
336 | \r |
337 | // clears whole screen or just the notice area (in all buffers)\r |
338 | static void clearArea(int full)\r |
339 | {\r |
daf91588 |
340 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
341 | // 8-bit renderers\r |
342 | if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
343 | else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r |
344 | } else {\r |
720ee7f6 |
345 | // 16bit accurate renderer\r |
346 | if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r |
347 | else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r |
720ee7f6 |
348 | }\r |
349 | }\r |
350 | \r |
351 | \r |
352 | static void vidResetMode(void)\r |
353 | {\r |
354 | if (PicoOpt&0x10) {\r |
720ee7f6 |
355 | gp2x_video_changemode(8);\r |
720ee7f6 |
356 | } else if (currentConfig.EmuOpt&0x80) {\r |
13059a60 |
357 | gp2x_video_changemode(16);\r |
720ee7f6 |
358 | PicoDrawSetColorFormat(1);\r |
dd5fd477 |
359 | PicoScanBegin = EmuScanBegin16;\r |
720ee7f6 |
360 | } else {\r |
daf91588 |
361 | gp2x_video_changemode(8);\r |
362 | PicoDrawSetColorFormat(2);\r |
dd5fd477 |
363 | PicoScanBegin = EmuScanBegin8;\r |
daf91588 |
364 | }\r |
365 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
366 | // setup pal for 8-bit modes\r |
367 | localPal[0xc0] = 0x0000c000; // MCD LEDs\r |
368 | localPal[0xd0] = 0x00c00000;\r |
720ee7f6 |
369 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
370 | localPal[0xf0] = 0x00ffffff;\r |
720ee7f6 |
371 | gp2x_video_setpalette(localPal, 0x100);\r |
372 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
373 | gp2x_video_flip();\r |
720ee7f6 |
374 | }\r |
375 | Pico.m.dirtyPal = 1;\r |
376 | // reset scaling\r |
fa8d1331 |
377 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r |
79cad122 |
378 | gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r |
379 | else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
720ee7f6 |
380 | }\r |
381 | \r |
382 | \r |
dfa4c846 |
383 | static void emu_msg_cb(const char *msg)\r |
384 | {\r |
385 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
386 | // 8-bit renderers\r |
387 | gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r |
388 | osd_text(4, 232, msg);\r |
e31266dd |
389 | gp2x_memcpy_all_buffers((char *)g_screen_ptr+320*232, 320*232, 320*8);\r |
dfa4c846 |
390 | } else {\r |
391 | // 16bit accurate renderer\r |
392 | gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r |
393 | osd_text(4, 232, msg);\r |
e31266dd |
394 | gp2x_memcpy_all_buffers((char *)g_screen_ptr+320*232*2, 320*232*2, 320*8*2);\r |
dfa4c846 |
395 | }\r |
396 | gettimeofday(¬iceMsgTime, 0);\r |
397 | noticeMsgTime.tv_sec -= 2;\r |
e5589947 |
398 | \r |
399 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r |
400 | reset_timing = 1;\r |
dfa4c846 |
401 | }\r |
402 | \r |
1078e544 |
403 | static void emu_state_cb(const char *str)\r |
404 | {\r |
405 | clearArea(0);\r |
406 | blit("", str);\r |
407 | }\r |
408 | \r |
5e2e14f2 |
409 | static void emu_msg_tray_open(void)\r |
410 | {\r |
411 | strcpy(noticeMsg, "CD tray opened");\r |
412 | gettimeofday(¬iceMsgTime, 0);\r |
413 | }\r |
414 | \r |
82abf46f |
415 | static void RunEventsPico(unsigned int events)\r |
e1cd546f |
416 | {\r |
6589c840 |
417 | int ret, px, py, lim_x;\r |
3f2aaff2 |
418 | static int pdown_frames = 0;\r |
419 | \r |
8a091e48 |
420 | emu_RunEventsPico(events);\r |
421 | \r |
6589c840 |
422 | if (pico_inp_mode == 0) return;\r |
3f2aaff2 |
423 | \r |
424 | // for F200\r |
425 | ret = gp2x_touchpad_read(&px, &py);\r |
6589c840 |
426 | if (ret >= 0)\r |
427 | {\r |
428 | if (ret > 35000)\r |
429 | {\r |
3f2aaff2 |
430 | if (pdown_frames++ > 5)\r |
431 | PicoPad[0] |= 0x20;\r |
432 | \r |
433 | pico_pen_x = px;\r |
434 | pico_pen_y = py;\r |
435 | if (!(Pico.video.reg[12]&1)) {\r |
436 | pico_pen_x -= 32;\r |
437 | if (pico_pen_x < 0) pico_pen_x = 0;\r |
438 | if (pico_pen_x > 248) pico_pen_x = 248;\r |
439 | }\r |
440 | if (pico_pen_y > 224) pico_pen_y = 224;\r |
441 | }\r |
442 | else\r |
6589c840 |
443 | pdown_frames = 0;\r |
3f2aaff2 |
444 | \r |
445 | //if (ret == 0)\r |
446 | // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
447 | }\r |
6589c840 |
448 | \r |
82abf46f |
449 | if (PicoPad[0] & 1) pico_pen_y--;\r |
450 | if (PicoPad[0] & 2) pico_pen_y++;\r |
451 | if (PicoPad[0] & 4) pico_pen_x--;\r |
452 | if (PicoPad[0] & 8) pico_pen_x++;\r |
6589c840 |
453 | PicoPad[0] &= ~0x0f; // release UDLR\r |
6589c840 |
454 | \r |
455 | lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r |
456 | if (pico_pen_y < 8) pico_pen_y = 8;\r |
457 | if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r |
458 | if (pico_pen_x < 0) pico_pen_x = 0;\r |
459 | if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r |
460 | \r |
461 | PicoPicohw.pen_pos[0] = pico_pen_x;\r |
462 | if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r |
463 | PicoPicohw.pen_pos[0] += 0x3c;\r |
464 | PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r |
e1cd546f |
465 | }\r |
466 | \r |
0480e6c9 |
467 | static void update_volume(int has_changed, int is_up)\r |
468 | {\r |
469 | static int prev_frame = 0, wait_frames = 0;\r |
470 | int vol = currentConfig.volume;\r |
471 | \r |
472 | if (has_changed)\r |
473 | {\r |
474 | if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r |
475 | wait_frames++;\r |
476 | else {\r |
477 | if (is_up) {\r |
478 | if (vol < 99) vol++;\r |
479 | } else {\r |
480 | if (vol > 0) vol--;\r |
481 | }\r |
482 | wait_frames = 0;\r |
b3972d82 |
483 | sndout_oss_setvol(vol, vol);\r |
0480e6c9 |
484 | currentConfig.volume = vol;\r |
485 | }\r |
486 | sprintf(noticeMsg, "VOL: %02i", vol);\r |
487 | gettimeofday(¬iceMsgTime, 0);\r |
488 | prev_frame = Pico.m.frame_count;\r |
489 | }\r |
490 | \r |
491 | // set the right mixer func\r |
492 | if (!(PicoOpt&8)) return; // just use defaults for mono\r |
493 | if (vol >= 5)\r |
494 | PsndMix_32_to_16l = mix_32_to_16l_stereo;\r |
495 | else {\r |
496 | mix_32_to_16l_level = 5 - vol;\r |
497 | PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r |
498 | }\r |
499 | }\r |
500 | \r |
720ee7f6 |
501 | static void RunEvents(unsigned int which)\r |
502 | {\r |
0480e6c9 |
503 | if (which & 0x1800) // save or load (but not both)\r |
504 | {\r |
720ee7f6 |
505 | int do_it = 1;\r |
f013066e |
506 | if ( emu_checkSaveFile(state_slot) &&\r |
82abf46f |
507 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r |
508 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save\r |
509 | {\r |
510 | const char *nm;\r |
511 | char tmp[64];\r |
512 | int keys, len;\r |
513 | \r |
514 | strcpy(tmp, (which & 0x1000) ? "LOAD STATE? " : "OVERWRITE SAVE? ");\r |
515 | len = strlen(tmp);\r |
516 | nm = in_get_key_name(-1, -PBTN_MA3);\r |
517 | snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r |
518 | len = strlen(tmp);\r |
519 | nm = in_get_key_name(-1, -PBTN_MBACK);\r |
520 | snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r |
521 | \r |
522 | blit("", tmp);\r |
523 | \r |
524 | in_set_blocking(1);\r |
525 | while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK)); // wait for release\r |
526 | while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) ); // .. press\r |
527 | if (keys & PBTN_MBACK)\r |
528 | do_it = 0;\r |
529 | while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK)); // .. release\r |
530 | in_set_blocking(0);\r |
531 | \r |
720ee7f6 |
532 | clearArea(0);\r |
533 | }\r |
534 | if (do_it) {\r |
0805b5b4 |
535 | osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r |
1078e544 |
536 | PicoStateProgressCB = emu_state_cb;\r |
e31266dd |
537 | gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);\r |
0805b5b4 |
538 | emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r |
1078e544 |
539 | PicoStateProgressCB = NULL;\r |
720ee7f6 |
540 | }\r |
541 | \r |
542 | reset_timing = 1;\r |
543 | }\r |
0480e6c9 |
544 | if (which & 0x0400) // switch renderer\r |
545 | {\r |
720ee7f6 |
546 | if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r |
547 | else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r |
548 | else currentConfig.EmuOpt &= ~0x80;\r |
549 | \r |
550 | vidResetMode();\r |
551 | \r |
552 | if (PicoOpt&0x10) {\r |
553 | strcpy(noticeMsg, " 8bit fast renderer");\r |
554 | } else if (currentConfig.EmuOpt&0x80) {\r |
555 | strcpy(noticeMsg, "16bit accurate renderer");\r |
556 | } else {\r |
557 | strcpy(noticeMsg, " 8bit accurate renderer");\r |
558 | }\r |
559 | \r |
82abf46f |
560 | emu_noticeMsgUpdated();\r |
720ee7f6 |
561 | }\r |
0480e6c9 |
562 | if (which & 0x0300)\r |
563 | {\r |
720ee7f6 |
564 | if(which&0x0200) {\r |
565 | state_slot -= 1;\r |
566 | if(state_slot < 0) state_slot = 9;\r |
567 | } else {\r |
568 | state_slot += 1;\r |
569 | if(state_slot > 9) state_slot = 0;\r |
570 | }\r |
f013066e |
571 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r |
82abf46f |
572 | emu_noticeMsgUpdated();\r |
720ee7f6 |
573 | }\r |
0480e6c9 |
574 | if (which & 0x0080) {\r |
720ee7f6 |
575 | engineState = PGS_Menu;\r |
576 | }\r |
577 | }\r |
578 | \r |
720ee7f6 |
579 | static void updateKeys(void)\r |
580 | {\r |
82abf46f |
581 | unsigned int allActions[2] = { 0, 0 }, events;\r |
e1cd546f |
582 | static unsigned int prevEvents = 0;\r |
720ee7f6 |
583 | \r |
2c600560 |
584 | /* FIXME: player2 */\r |
fce20e73 |
585 | allActions[0] = in_update();\r |
720ee7f6 |
586 | \r |
6589c840 |
587 | PicoPad[0] = allActions[0] & 0xfff;\r |
588 | PicoPad[1] = allActions[1] & 0xfff;\r |
589 | \r |
590 | if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r |
591 | if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r |
720ee7f6 |
592 | \r |
593 | events = (allActions[0] | allActions[1]) >> 16;\r |
594 | \r |
595 | // volume is treated in special way and triggered every frame\r |
0480e6c9 |
596 | if (events & 0x6000)\r |
597 | update_volume(1, events & 0x2000);\r |
598 | \r |
8a091e48 |
599 | if ((events ^ prevEvents) & 0x40) {\r |
600 | emu_changeFastForward(events & 0x40);\r |
601 | update_volume(0, 0);\r |
602 | reset_timing = 1;\r |
603 | }\r |
720ee7f6 |
604 | \r |
605 | events &= ~prevEvents;\r |
e1cd546f |
606 | \r |
607 | if (PicoAHW == PAHW_PICO)\r |
82abf46f |
608 | RunEventsPico(events);\r |
720ee7f6 |
609 | if (events) RunEvents(events);\r |
f013066e |
610 | if (movie_data) emu_updateMovie();\r |
720ee7f6 |
611 | \r |
612 | prevEvents = (allActions[0] | allActions[1]) >> 16;\r |
613 | }\r |
614 | \r |
720ee7f6 |
615 | \r |
3ef975c9 |
616 | static void updateSound(int len)\r |
720ee7f6 |
617 | {\r |
3ef975c9 |
618 | if (PicoOpt&8) len<<=1;\r |
720ee7f6 |
619 | \r |
d9a18943 |
620 | /* avoid writing audio when lagging behind to prevent audio lag */\r |
621 | if (PicoSkipFrame != 2)\r |
b3972d82 |
622 | sndout_oss_write(PsndOut, len<<1);\r |
720ee7f6 |
623 | }\r |
624 | \r |
725d7f6c |
625 | void emu_startSound(void)\r |
626 | {\r |
627 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r |
628 | int target_fps = Pico.m.pal ? 50 : 60;\r |
629 | \r |
630 | PsndOut = NULL;\r |
631 | \r |
632 | // prepare sound stuff\r |
633 | if (currentConfig.EmuOpt & 4)\r |
634 | {\r |
635 | int snd_excess_add;\r |
636 | if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r |
637 | ((PicoOpt&0x200) && crashed_940)) {\r |
638 | PsndRerate(Pico.m.frame_count ? 1 : 0);\r |
639 | }\r |
640 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
641 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r |
642 | PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r |
b3972d82 |
643 | sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r |
644 | sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r |
725d7f6c |
645 | PicoWriteSound = updateSound;\r |
646 | update_volume(0, 0);\r |
647 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
648 | PsndOut = sndBuffer;\r |
649 | PsndRate_old = PsndRate;\r |
650 | PicoOpt_old = PicoOpt;\r |
651 | pal_old = Pico.m.pal;\r |
652 | }\r |
653 | }\r |
654 | \r |
655 | void emu_endSound(void)\r |
656 | {\r |
657 | }\r |
658 | \r |
659 | /* wait until we can write more sound */\r |
660 | void emu_waitSound(void)\r |
661 | {\r |
662 | // don't need to do anything, writes will block by themselves\r |
663 | }\r |
664 | \r |
720ee7f6 |
665 | \r |
d9a18943 |
666 | static void SkipFrame(int do_audio)\r |
720ee7f6 |
667 | {\r |
d9a18943 |
668 | PicoSkipFrame=do_audio ? 1 : 2;\r |
720ee7f6 |
669 | PicoFrame();\r |
670 | PicoSkipFrame=0;\r |
720ee7f6 |
671 | }\r |
672 | \r |
673 | \r |
84e21f25 |
674 | void emu_forcedFrame(int opts)\r |
4ffd2858 |
675 | {\r |
676 | int po_old = PicoOpt;\r |
13059a60 |
677 | int eo_old = currentConfig.EmuOpt;\r |
678 | \r |
84e21f25 |
679 | PicoOpt &= ~0x10;\r |
680 | PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r |
13059a60 |
681 | currentConfig.EmuOpt |= 0x80;\r |
4ffd2858 |
682 | \r |
13059a60 |
683 | //vidResetMode();\r |
684 | PicoDrawSetColorFormat(1);\r |
dd5fd477 |
685 | PicoScanBegin = EmuScanBegin16;\r |
13059a60 |
686 | Pico.m.dirtyPal = 1;\r |
687 | PicoFrameDrawOnly();\r |
4ffd2858 |
688 | \r |
13059a60 |
689 | /*\r |
4ffd2858 |
690 | if (!(Pico.video.reg[12]&1)) {\r |
dccc2bd0 |
691 | vidCpyM2 = vidCpyM2_32col;\r |
4ffd2858 |
692 | clearArea(1);\r |
dccc2bd0 |
693 | } else vidCpyM2 = vidCpyM2_40col;\r |
4ffd2858 |
694 | \r |
e31266dd |
695 | vidCpyM2((unsigned char *)g_screen_ptr+320*8, PicoDraw2FB+328*8);\r |
4ffd2858 |
696 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
697 | gp2x_video_setpalette(localPal, 0x40);\r |
13059a60 |
698 | */\r |
e1aa0fa7 |
699 | PicoOpt = po_old;\r |
13059a60 |
700 | currentConfig.EmuOpt = eo_old;\r |
4ffd2858 |
701 | }\r |
702 | \r |
7443ecd9 |
703 | void emu_platformDebugCat(char *str)\r |
704 | {\r |
705 | // nothing\r |
706 | }\r |
707 | \r |
720ee7f6 |
708 | static void simpleWait(int thissec, int lim_time)\r |
709 | {\r |
710 | struct timeval tval;\r |
711 | \r |
712 | spend_cycles(1024);\r |
713 | gettimeofday(&tval, 0);\r |
450dab6f |
714 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
720ee7f6 |
715 | \r |
450dab6f |
716 | while (tval.tv_usec < lim_time)\r |
720ee7f6 |
717 | {\r |
718 | spend_cycles(1024);\r |
719 | gettimeofday(&tval, 0);\r |
450dab6f |
720 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
720ee7f6 |
721 | }\r |
722 | }\r |
723 | \r |
724 | \r |
450dab6f |
725 | #if 0\r |
726 | static void tga_dump(void)\r |
727 | {\r |
728 | #define BYTE unsigned char\r |
729 | #define WORD unsigned short\r |
730 | struct\r |
731 | {\r |
732 | BYTE IDLength; /* 00h Size of Image ID field */\r |
733 | BYTE ColorMapType; /* 01h Color map type */\r |
734 | BYTE ImageType; /* 02h Image type code */\r |
735 | WORD CMapStart; /* 03h Color map origin */\r |
736 | WORD CMapLength; /* 05h Color map length */\r |
737 | BYTE CMapDepth; /* 07h Depth of color map entries */\r |
738 | WORD XOffset; /* 08h X origin of image */\r |
739 | WORD YOffset; /* 0Ah Y origin of image */\r |
740 | WORD Width; /* 0Ch Width of image */\r |
741 | WORD Height; /* 0Eh Height of image */\r |
742 | BYTE PixelDepth; /* 10h Image pixel size */\r |
743 | BYTE ImageDescriptor; /* 11h Image descriptor byte */\r |
744 | } __attribute__((packed)) TGAHEAD;\r |
745 | static unsigned short oldscr[320*240];\r |
746 | FILE *f; char name[128]; int i;\r |
747 | \r |
748 | memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r |
749 | TGAHEAD.ImageType = 2;\r |
750 | TGAHEAD.Width = 320;\r |
751 | TGAHEAD.Height = 240;\r |
752 | TGAHEAD.PixelDepth = 16;\r |
753 | TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r |
754 | \r |
755 | #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r |
756 | \r |
757 | for (i = 0; i < 320*240; i++)\r |
e31266dd |
758 | if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r |
450dab6f |
759 | if (i < 320*240)\r |
760 | {\r |
761 | for (i = 0; i < 320*240; i++)\r |
e31266dd |
762 | oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r |
450dab6f |
763 | sprintf(name, "%05i.tga", Pico.m.frame_count);\r |
764 | f = fopen(name, "wb");\r |
765 | if (!f) { printf("!f\n"); exit(1); }\r |
766 | fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r |
767 | fwrite(oldscr, 1, 320*240*2, f);\r |
768 | fclose(f);\r |
769 | }\r |
770 | }\r |
771 | #endif\r |
772 | \r |
773 | \r |
720ee7f6 |
774 | void emu_Loop(void)\r |
775 | {\r |
fa5e045b |
776 | static int gp2x_old_clock = -1, EmuOpt_old = 0;\r |
720ee7f6 |
777 | char fpsbuff[24]; // fps count c string\r |
778 | struct timeval tval; // timing\r |
450dab6f |
779 | int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r |
780 | int frames_done, frames_shown, thissec; // actual frames\r |
781 | int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r |
720ee7f6 |
782 | char *notice = 0;\r |
783 | \r |
784 | printf("entered emu_Loop()\n");\r |
785 | \r |
fa5e045b |
786 | if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r |
787 | if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r |
fa8d1331 |
788 | set_ram_timings();\r |
fa5e045b |
789 | else\r |
790 | unset_ram_timings();\r |
791 | }\r |
792 | \r |
793 | if (gp2x_old_clock < 0)\r |
794 | gp2x_old_clock = default_cpu_clock;\r |
720ee7f6 |
795 | if (gp2x_old_clock != currentConfig.CPUclock) {\r |
796 | printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r |
fa5e045b |
797 | gp2x_set_cpuclk(currentConfig.CPUclock);\r |
720ee7f6 |
798 | gp2x_old_clock = currentConfig.CPUclock;\r |
799 | printf(" done\n");\r |
800 | }\r |
801 | \r |
55a951dd |
802 | if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r |
fa5e045b |
803 | set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r |
720ee7f6 |
804 | gp2x_old_gamma = currentConfig.gamma;\r |
55a951dd |
805 | printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r |
720ee7f6 |
806 | }\r |
807 | \r |
fa5e045b |
808 | if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_PSYNC) {\r |
809 | if (currentConfig.EmuOpt & EOPT_PSYNC)\r |
810 | set_lcd_custom_rate(Pico.m.pal);\r |
811 | else\r |
812 | unset_lcd_custom_rate();\r |
59d0f042 |
813 | }\r |
814 | \r |
fa5e045b |
815 | if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)\r |
816 | gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);\r |
817 | \r |
59d0f042 |
818 | EmuOpt_old = currentConfig.EmuOpt;\r |
720ee7f6 |
819 | fpsbuff[0] = 0;\r |
820 | \r |
821 | // make sure we are in correct mode\r |
822 | vidResetMode();\r |
f013066e |
823 | scaling_update();\r |
e5d315a5 |
824 | Pico.m.dirtyPal = 1;\r |
720ee7f6 |
825 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
720ee7f6 |
826 | \r |
827 | // pal/ntsc might have changed, reset related stuff\r |
828 | target_fps = Pico.m.pal ? 50 : 60;\r |
829 | target_frametime = 1000000/target_fps;\r |
830 | reset_timing = 1;\r |
831 | \r |
725d7f6c |
832 | emu_startSound();\r |
720ee7f6 |
833 | \r |
5f9922e6 |
834 | // prepare CD buffer\r |
dd5fd477 |
835 | if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r |
5f9922e6 |
836 | \r |
59d0f042 |
837 | // calc vsync offset to sync timing code with vsync\r |
838 | if (currentConfig.EmuOpt&0x2000) {\r |
839 | gettimeofday(&tval, 0);\r |
840 | gp2x_video_wait_vsync();\r |
841 | gettimeofday(&tval, 0);\r |
842 | vsync_offset = tval.tv_usec;\r |
843 | while (vsync_offset >= target_frametime)\r |
844 | vsync_offset -= target_frametime;\r |
845 | if (!vsync_offset) vsync_offset++;\r |
846 | printf("vsync_offset: %i\n", vsync_offset);\r |
847 | } else\r |
848 | vsync_offset = 0;\r |
849 | \r |
450dab6f |
850 | frames_done = frames_shown = thissec =\r |
851 | pframes_done = pframes_shown = pthissec = 0;\r |
852 | \r |
853 | // loop\r |
720ee7f6 |
854 | while (engineState == PGS_Running)\r |
855 | {\r |
856 | int modes;\r |
857 | \r |
858 | gettimeofday(&tval, 0);\r |
0480e6c9 |
859 | if (reset_timing) {\r |
720ee7f6 |
860 | reset_timing = 0;\r |
450dab6f |
861 | pthissec = tval.tv_sec;\r |
862 | pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r |
720ee7f6 |
863 | }\r |
864 | \r |
865 | // show notice message?\r |
0480e6c9 |
866 | if (noticeMsgTime.tv_sec)\r |
867 | {\r |
720ee7f6 |
868 | static int noticeMsgSum;\r |
869 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
870 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
871 | clearArea(0);\r |
872 | notice = 0;\r |
873 | } else {\r |
874 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
875 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
876 | notice = noticeMsg;\r |
877 | }\r |
878 | }\r |
879 | \r |
880 | // check for mode changes\r |
881 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
0480e6c9 |
882 | if (modes != oldmodes)\r |
883 | {\r |
720ee7f6 |
884 | int scalex = 320;\r |
885 | osd_fps_x = OSD_FPS_X;\r |
886 | if (modes & 4) {\r |
887 | vidCpyM2 = vidCpyM2_40col;\r |
888 | } else {\r |
889 | if (PicoOpt & 0x100) {\r |
890 | vidCpyM2 = vidCpyM2_32col_nobord;\r |
891 | scalex = 256;\r |
892 | osd_fps_x = OSD_FPS_X - 64;\r |
893 | } else {\r |
894 | vidCpyM2 = vidCpyM2_32col;\r |
895 | }\r |
896 | }\r |
fa8d1331 |
897 | /* want vertical scaling and game is not in 240 line mode */\r |
898 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(modes&8))\r |
79cad122 |
899 | gp2x_video_RGB_setscaling(8, scalex, 224);\r |
900 | else gp2x_video_RGB_setscaling(0, scalex, 240);\r |
720ee7f6 |
901 | oldmodes = modes;\r |
902 | clearArea(1);\r |
903 | }\r |
904 | \r |
905 | // second changed?\r |
0480e6c9 |
906 | if (thissec != tval.tv_sec)\r |
907 | {\r |
720ee7f6 |
908 | #ifdef BENCHMARK\r |
909 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
0480e6c9 |
910 | if (++bench == 10) {\r |
720ee7f6 |
911 | bench = 0;\r |
912 | bench_fps_s = bench_fps;\r |
913 | bf[bfp++ & 3] = bench_fps;\r |
914 | bench_fps = 0;\r |
915 | }\r |
916 | bench_fps += frames_shown;\r |
917 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
918 | #else\r |
55c7b464 |
919 | if (currentConfig.EmuOpt & 2) {\r |
720ee7f6 |
920 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
55c7b464 |
921 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
922 | }\r |
720ee7f6 |
923 | #endif\r |
450dab6f |
924 | frames_shown = frames_done = 0;\r |
720ee7f6 |
925 | thissec = tval.tv_sec;\r |
450dab6f |
926 | }\r |
927 | #ifdef PFRAMES\r |
928 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
929 | #endif\r |
720ee7f6 |
930 | \r |
450dab6f |
931 | if (pthissec != tval.tv_sec)\r |
932 | {\r |
0480e6c9 |
933 | if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
450dab6f |
934 | pframes_done = pframes_shown = 0;\r |
720ee7f6 |
935 | } else {\r |
936 | // it is quite common for this implementation to leave 1 fame unfinished\r |
937 | // when second changes, but we don't want buffer to starve.\r |
450dab6f |
938 | if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r |
720ee7f6 |
939 | updateKeys();\r |
450dab6f |
940 | SkipFrame(1); pframes_done++;\r |
720ee7f6 |
941 | }\r |
942 | \r |
450dab6f |
943 | pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r |
944 | pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r |
945 | if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r |
720ee7f6 |
946 | }\r |
450dab6f |
947 | pthissec = tval.tv_sec;\r |
720ee7f6 |
948 | }\r |
59d0f042 |
949 | \r |
450dab6f |
950 | lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r |
951 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
952 | {\r |
720ee7f6 |
953 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
954 | updateKeys();\r |
450dab6f |
955 | SkipFrame(1); pframes_done++; frames_done++;\r |
0480e6c9 |
956 | if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r |
720ee7f6 |
957 | gettimeofday(&tval, 0);\r |
450dab6f |
958 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
959 | if (tval.tv_usec < lim_time) { // we are too fast\r |
960 | simpleWait(pthissec, lim_time);\r |
720ee7f6 |
961 | }\r |
962 | }\r |
963 | lim_time += target_frametime;\r |
964 | }\r |
450dab6f |
965 | }\r |
966 | else if (tval.tv_usec > lim_time) // auto frameskip\r |
967 | {\r |
720ee7f6 |
968 | // no time left for this frame - skip\r |
f013066e |
969 | if (tval.tv_usec - lim_time >= 300000) {\r |
d032c15a |
970 | /* something caused a slowdown for us (disk access? cache flush?)\r |
971 | * try to recover by resetting timing... */\r |
972 | reset_timing = 1;\r |
973 | continue;\r |
974 | }\r |
720ee7f6 |
975 | updateKeys();\r |
450dab6f |
976 | SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r |
720ee7f6 |
977 | continue;\r |
978 | }\r |
979 | \r |
980 | updateKeys();\r |
981 | PicoFrame();\r |
982 | \r |
983 | // check time\r |
984 | gettimeofday(&tval, 0);\r |
450dab6f |
985 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
720ee7f6 |
986 | \r |
f013066e |
987 | if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r |
d032c15a |
988 | reset_timing = 1;\r |
989 | else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r |
720ee7f6 |
990 | {\r |
59d0f042 |
991 | // sleep or vsync if we are still too fast\r |
720ee7f6 |
992 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
0480e6c9 |
993 | if (!reset_timing && tval.tv_usec < lim_time)\r |
720ee7f6 |
994 | {\r |
995 | // we are too fast\r |
59d0f042 |
996 | if (vsync_offset) {\r |
997 | if (lim_time - tval.tv_usec > target_frametime/2)\r |
450dab6f |
998 | simpleWait(pthissec, lim_time - target_frametime/4);\r |
59d0f042 |
999 | gp2x_video_wait_vsync();\r |
1000 | } else {\r |
450dab6f |
1001 | simpleWait(pthissec, lim_time);\r |
59d0f042 |
1002 | }\r |
720ee7f6 |
1003 | }\r |
1004 | }\r |
1005 | \r |
1006 | blit(fpsbuff, notice);\r |
1007 | \r |
450dab6f |
1008 | pframes_done++; pframes_shown++;\r |
1009 | frames_done++; frames_shown++;\r |
720ee7f6 |
1010 | }\r |
1011 | \r |
8a091e48 |
1012 | emu_changeFastForward(0);\r |
5f9922e6 |
1013 | \r |
dd5fd477 |
1014 | if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r |
5f9922e6 |
1015 | \r |
720ee7f6 |
1016 | // save SRAM\r |
1017 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
6ab2f79c |
1018 | emu_state_cb("Writing SRAM/BRAM..");\r |
720ee7f6 |
1019 | emu_SaveLoadGame(0, 1);\r |
1020 | SRam.changed = 0;\r |
1021 | }\r |
e5d315a5 |
1022 | \r |
13059a60 |
1023 | // if in 8bit mode, generate 16bit image for menu background\r |
1024 | if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r |
84e21f25 |
1025 | emu_forcedFrame(POPT_EN_SOFTSCALE);\r |
720ee7f6 |
1026 | }\r |
1027 | \r |
1028 | \r |
1029 | void emu_ResetGame(void)\r |
1030 | {\r |
8d5cb10d |
1031 | PicoReset();\r |
720ee7f6 |
1032 | reset_timing = 1;\r |
1033 | }\r |
1034 | \r |
049a6b3e |
1035 | const char *plat_get_credits(void)\r |
1036 | {\r |
1037 | return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r |
1038 | "Credits:\n"\r |
1039 | "fDave: Cyclone 68000 core,\n"\r |
1040 | " base code of PicoDrive\n"\r |
1041 | "Reesy & FluBBa: DrZ80 core\n"\r |
1042 | "MAME devs: YM2612 and SN76496 cores\n"\r |
1043 | "rlyeh and others: minimal SDK\n"\r |
d572cbad |
1044 | "Squidge: mmuhack\n"\r |
049a6b3e |
1045 | "Dzz: ARM940 sample\n"\r |
1046 | "GnoStiC / Puck2099: USB joy code\n"\r |
1047 | "craigix: GP2X hardware\n"\r |
1048 | "ketchupgun: skin design\n"\r |
1049 | "\n"\r |
1050 | "special thanks (for docs, ideas):\n"\r |
1051 | " Charles MacDonald, Haze,\n"\r |
1052 | " Stephane Dallongeville,\n"\r |
1053 | " Lordus, Exophase, Rokas,\n"\r |
1054 | " Nemesis, Tasco Deluxe";\r |
1055 | }\r |