bcd94522 |
1 | // (c) Copyright 2006-2009 notaz, All rights reserved.\r |
cc68a136 |
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 |
cc68a136 |
9 | #include <stdarg.h>\r |
10 | \r |
0d9bf4fc |
11 | #include "plat_gp2x.h"\r |
42171343 |
12 | #include "soc.h"\r |
bcd94522 |
13 | #include "../common/plat.h"\r |
991473ad |
14 | #include "../common/menu.h"\r |
e5f426aa |
15 | #include "../common/arm_utils.h"\r |
16 | #include "../common/fonts.h"\r |
ea8c405f |
17 | #include "../common/emu.h"\r |
58c86d00 |
18 | #include "../common/config.h"\r |
e5ab6faf |
19 | #include "../linux/sndout_oss.h"\r |
713c9224 |
20 | #include "version.h"\r |
cc68a136 |
21 | \r |
efcba75f |
22 | #include <pico/pico_int.h>\r |
23 | #include <pico/patch.h>\r |
24 | #include <pico/sound/mix.h>\r |
b67ef287 |
25 | #include <zlib/zlib.h>\r |
cc68a136 |
26 | \r |
1dceadae |
27 | //#define PFRAMES\r |
cc68a136 |
28 | \r |
29 | #ifdef BENCHMARK\r |
30 | #define OSD_FPS_X 220\r |
31 | #else\r |
32 | #define OSD_FPS_X 260\r |
33 | #endif\r |
34 | \r |
cc68a136 |
35 | \r |
cc68a136 |
36 | extern int crashed_940;\r |
37 | \r |
ca61ee42 |
38 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r |
cc68a136 |
39 | static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r |
d34a42f9 |
40 | static char noticeMsg[40];\r |
f2cf8472 |
41 | static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];\r |
42 | unsigned char *PicoDraw2FB = PicoDraw2FB_;\r |
cc41eb4f |
43 | static int osd_fps_x;\r |
cc68a136 |
44 | \r |
cc41eb4f |
45 | extern void *gp2x_screens[4];\r |
cc68a136 |
46 | \r |
d34a42f9 |
47 | void plat_status_msg(const char *format, ...)\r |
cc68a136 |
48 | {\r |
d34a42f9 |
49 | va_list vl;\r |
50 | \r |
51 | va_start(vl, format);\r |
52 | vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r |
53 | va_end(vl);\r |
54 | \r |
ea8c405f |
55 | gettimeofday(¬iceMsgTime, 0);\r |
cc68a136 |
56 | }\r |
57 | \r |
f2cf8472 |
58 | int plat_get_root_dir(char *dst, int len)\r |
8c1952f0 |
59 | {\r |
ea8c405f |
60 | extern char **g_argv;\r |
61 | int j;\r |
8c1952f0 |
62 | \r |
ea8c405f |
63 | strncpy(dst, g_argv[0], len);\r |
64 | len -= 32; // reserve\r |
65 | if (len < 0) len = 0;\r |
66 | dst[len] = 0;\r |
67 | for (j = strlen(dst); j > 0; j--)\r |
68 | if (dst[j] == '/') { dst[j+1] = 0; break; }\r |
ca482e5d |
69 | \r |
70 | return j + 1;\r |
8c1952f0 |
71 | }\r |
72 | \r |
cc68a136 |
73 | \r |
ea8c405f |
74 | static void scaling_update(void)\r |
2433f409 |
75 | {\r |
ee2a3bdf |
76 | PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);\r |
2433f409 |
77 | switch (currentConfig.scaling) {\r |
ee2a3bdf |
78 | default:break;\r |
79 | case EOPT_SCALE_HW_H:\r |
80 | case EOPT_SCALE_HW_HV:\r |
81 | PicoOpt |= POPT_DIS_32C_BORDER;\r |
82 | break;\r |
83 | case EOPT_SCALE_SW_H:\r |
84 | PicoOpt |= POPT_EN_SOFTSCALE;\r |
85 | break;\r |
2433f409 |
86 | }\r |
87 | }\r |
88 | \r |
89 | \r |
f2cf8472 |
90 | void pemu_prep_defconfig(void)\r |
58c86d00 |
91 | {\r |
ee2a3bdf |
92 | gp2x_soc_t soc;\r |
93 | \r |
58c86d00 |
94 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
cc41eb4f |
95 | defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;\r |
ee2a3bdf |
96 | defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r |
58c86d00 |
97 | defaultConfig.s_PsndRate = 44100;\r |
98 | defaultConfig.s_PicoRegion = 0; // auto\r |
99 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
2d2247c2 |
100 | defaultConfig.s_PicoCDBuffers = 0;\r |
58c86d00 |
101 | defaultConfig.Frameskip = -1; // auto\r |
ee2a3bdf |
102 | defaultConfig.CPUclock = default_cpu_clock;\r |
58c86d00 |
103 | defaultConfig.volume = 50;\r |
58c86d00 |
104 | defaultConfig.gamma = 100;\r |
105 | defaultConfig.scaling = 0;\r |
f0f0d2df |
106 | defaultConfig.turbo_rate = 15;\r |
ee2a3bdf |
107 | \r |
108 | soc = soc_detect();\r |
109 | if (soc == SOCID_MMSP2)\r |
110 | defaultConfig.s_PicoOpt |= POPT_EXT_FM;\r |
cc41eb4f |
111 | else if (soc == SOCID_POLLUX)\r |
112 | defaultConfig.EmuOpt |= EOPT_WIZ_TEAR_FIX;\r |
58c86d00 |
113 | }\r |
114 | \r |
cc41eb4f |
115 | static void (*osd_text)(int x, int y, const char *text);\r |
116 | \r |
117 | static void osd_text8(int x, int y, const char *text)\r |
cc68a136 |
118 | {\r |
119 | int len = strlen(text)*8;\r |
e2de9939 |
120 | int *p, i, h, offs;\r |
cc68a136 |
121 | \r |
cc41eb4f |
122 | len = (len+3) >> 2;\r |
123 | for (h = 0; h < 8; h++) {\r |
124 | offs = (x + g_screen_width * (y+h)) & ~3;\r |
125 | p = (int *) ((char *)g_screen_ptr + offs);\r |
126 | for (i = len; i; i--, p++)\r |
127 | *p = 0xe0e0e0e0;\r |
128 | }\r |
129 | emu_text_out8(x, y, text);\r |
130 | }\r |
131 | \r |
132 | static void osd_text16(int x, int y, const char *text)\r |
133 | {\r |
134 | int len = strlen(text)*8;\r |
135 | int *p, i, h, offs;\r |
136 | \r |
137 | len = (len+1) >> 1;\r |
138 | for (h = 0; h < 8; h++) {\r |
139 | offs = (x + g_screen_width * (y+h)) & ~1;\r |
140 | p = (int *) ((short *)g_screen_ptr + offs);\r |
141 | for (i = len; i; i--, p++)\r |
142 | *p = (*p >> 2) & 0x39e7;\r |
143 | }\r |
144 | emu_text_out16(x, y, text);\r |
145 | }\r |
146 | \r |
147 | static void osd_text8_rot(int x, int y, const char *text)\r |
148 | {\r |
149 | int len = strlen(text) * 8;\r |
150 | char *p = (char *)g_screen_ptr + 240*(320-x) + y;\r |
151 | \r |
152 | while (len--) {\r |
153 | memset(p, 0xe0, 8);\r |
154 | p -= 240;\r |
cc68a136 |
155 | }\r |
cc41eb4f |
156 | \r |
157 | emu_text_out8_rot(x, y, text);\r |
158 | }\r |
159 | \r |
160 | static void osd_text16_rot(int x, int y, const char *text)\r |
161 | {\r |
162 | int len = strlen(text) * 8;\r |
163 | short *p = (short *)g_screen_ptr + 240*(320-x) + y;\r |
164 | \r |
165 | while (len--) {\r |
166 | memset(p, 0, 8*2);\r |
167 | p -= 240;\r |
168 | }\r |
169 | \r |
170 | emu_text_out16_rot(x, y, text);\r |
cc68a136 |
171 | }\r |
172 | \r |
213c16ad |
173 | static void draw_cd_leds(void)\r |
bf098bc5 |
174 | {\r |
cc41eb4f |
175 | int led_reg, pitch, scr_offs, led_offs;\r |
176 | led_reg = Pico_mcd->s68k_regs[0];\r |
177 | \r |
178 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
179 | pitch = 240;\r |
180 | led_offs = -pitch * 6;\r |
181 | scr_offs = pitch * (320 - 4);\r |
182 | } else {\r |
183 | pitch = 320;\r |
184 | led_offs = 4;\r |
185 | scr_offs = pitch * 2 + 4;\r |
186 | }\r |
bf098bc5 |
187 | \r |
d34a42f9 |
188 | if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r |
cc41eb4f |
189 | #define p(x) px[(x) >> 2]\r |
bf098bc5 |
190 | // 8-bit modes\r |
cc41eb4f |
191 | unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);\r |
192 | unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
193 | unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
194 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
195 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
196 | #undef p\r |
bf098bc5 |
197 | } else {\r |
cc41eb4f |
198 | #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r |
bf098bc5 |
199 | // 16-bit modes\r |
cc41eb4f |
200 | unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);\r |
201 | unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r |
202 | unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r |
203 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
204 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
205 | #undef p\r |
bf098bc5 |
206 | }\r |
207 | }\r |
208 | \r |
213c16ad |
209 | static void draw_pico_ptr(void)\r |
210 | {\r |
e2de9939 |
211 | unsigned short *p = (unsigned short *)g_screen_ptr;\r |
cc41eb4f |
212 | int x, y, pitch = 320;\r |
213c16ad |
213 | \r |
214 | // only if pen enabled and for 16bit modes\r |
cc41eb4f |
215 | if (pico_inp_mode == 0 || (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r |
216 | return;\r |
213c16ad |
217 | \r |
cc41eb4f |
218 | x = pico_pen_x + PICO_PEN_ADJUST_X;\r |
219 | y = pico_pen_y + PICO_PEN_ADJUST_Y;\r |
220 | if (!(Pico.video.reg[12]&1) && !(PicoOpt & POPT_DIS_32C_BORDER))\r |
221 | x += 32;\r |
213c16ad |
222 | \r |
cc41eb4f |
223 | if (EOPT_WIZ_TEAR_FIX) {\r |
224 | pitch = 240;\r |
225 | p += (319 - x) * pitch + y;\r |
226 | } else\r |
227 | p += x + y * pitch;\r |
228 | \r |
229 | p[0] ^= 0xffff;\r |
230 | p[pitch-1] ^= 0xffff;\r |
231 | p[pitch] ^= 0xffff;\r |
232 | p[pitch+1] ^= 0xffff;\r |
233 | p[pitch*2] ^= 0xffff;\r |
213c16ad |
234 | }\r |
235 | \r |
602133e1 |
236 | static int EmuScanBegin16(unsigned int num)\r |
cc68a136 |
237 | {\r |
238 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
e2de9939 |
239 | DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r |
cc68a136 |
240 | \r |
241 | return 0;\r |
242 | }\r |
243 | \r |
602133e1 |
244 | static int EmuScanBegin8(unsigned int num)\r |
cc68a136 |
245 | {\r |
246 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
e2de9939 |
247 | DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r |
cc68a136 |
248 | \r |
249 | return 0;\r |
250 | }\r |
251 | \r |
cc41eb4f |
252 | /* rot thing for Wiz */\r |
253 | static unsigned char __attribute__((aligned(4))) rot_buff[320*4*2];\r |
254 | \r |
255 | static int EmuScanBegin16_rot(unsigned int num)\r |
256 | {\r |
257 | DrawLineDest = rot_buff + (num & 3) * 320 * 2;\r |
258 | return 0;\r |
259 | }\r |
260 | \r |
261 | static int EmuScanEnd16_rot(unsigned int num)\r |
262 | {\r |
263 | if ((num & 3) != 3)\r |
264 | return 0;\r |
265 | if (!(Pico.video.reg[1] & 8))\r |
266 | num += 8;\r |
267 | rotated_blit16(g_screen_ptr, rot_buff, num + 1,\r |
268 | !(Pico.video.reg[12] & 1) && !(PicoOpt & POPT_EN_SOFTSCALE));\r |
269 | return 0;\r |
270 | }\r |
271 | \r |
272 | static int EmuScanBegin8_rot(unsigned int num)\r |
273 | {\r |
274 | DrawLineDest = rot_buff + (num & 3) * 320;\r |
275 | return 0;\r |
276 | }\r |
277 | \r |
278 | static int EmuScanEnd8_rot(unsigned int num)\r |
279 | {\r |
280 | if ((num & 3) != 3)\r |
281 | return 0;\r |
282 | if (!(Pico.video.reg[1] & 8))\r |
283 | num += 8;\r |
284 | rotated_blit8(g_screen_ptr, rot_buff, num + 1,\r |
285 | !(Pico.video.reg[12] & 1));\r |
286 | return 0;\r |
287 | }\r |
288 | \r |
e11c5548 |
289 | int localPal[0x100];\r |
cc41eb4f |
290 | static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border) = NULL;\r |
cc68a136 |
291 | \r |
76276b0b |
292 | static void blit(const char *fps, const char *notice)\r |
cc68a136 |
293 | {\r |
bf098bc5 |
294 | int emu_opt = currentConfig.EmuOpt;\r |
295 | \r |
d34a42f9 |
296 | if (PicoOpt & POPT_ALT_RENDERER)\r |
fad24893 |
297 | {\r |
cc68a136 |
298 | // 8bit fast renderer\r |
299 | if (Pico.m.dirtyPal) {\r |
300 | Pico.m.dirtyPal = 0;\r |
301 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
302 | // feed new palette to our device\r |
303 | gp2x_video_setpalette(localPal, 0x40);\r |
304 | }\r |
fad24893 |
305 | // a hack for VR\r |
306 | if (PicoRead16Hook == PicoSVPRead16)\r |
307 | memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r |
308 | // do actual copy\r |
cc41eb4f |
309 | vidcpyM2(g_screen_ptr, PicoDraw2FB+328*8,\r |
310 | !(Pico.video.reg[12] & 1), !(PicoOpt & POPT_DIS_32C_BORDER));\r |
fad24893 |
311 | }\r |
d34a42f9 |
312 | else if (!(emu_opt & EOPT_16BPP))\r |
fad24893 |
313 | {\r |
cc68a136 |
314 | // 8bit accurate renderer\r |
602133e1 |
315 | if (Pico.m.dirtyPal)\r |
316 | {\r |
f8af9634 |
317 | int pallen = 0xc0;\r |
cc68a136 |
318 | Pico.m.dirtyPal = 0;\r |
e5fa9817 |
319 | if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r |
320 | {\r |
cc68a136 |
321 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
322 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
323 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
7b802576 |
324 | memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r |
e5fa9817 |
325 | pallen = 0x100;\r |
326 | }\r |
e5fa9817 |
327 | else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r |
cc68a136 |
328 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
329 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
330 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
e5fa9817 |
331 | }\r |
332 | else {\r |
cc68a136 |
333 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
f8af9634 |
334 | memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r |
cc68a136 |
335 | }\r |
e5fa9817 |
336 | if (pallen > 0xc0) {\r |
337 | localPal[0xc0] = 0x0000c000;\r |
338 | localPal[0xd0] = 0x00c00000;\r |
339 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
340 | localPal[0xf0] = 0x00ffffff;\r |
341 | }\r |
342 | gp2x_video_setpalette(localPal, pallen);\r |
cc68a136 |
343 | }\r |
344 | }\r |
345 | \r |
2433f409 |
346 | if (notice || (emu_opt & 2)) {\r |
347 | int h = 232;\r |
ee2a3bdf |
348 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r |
349 | h -= 8;\r |
350 | if (notice)\r |
351 | osd_text(4, h, notice);\r |
2433f409 |
352 | if (emu_opt & 2)\r |
353 | osd_text(osd_fps_x, h, fps);\r |
354 | }\r |
602133e1 |
355 | if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r |
213c16ad |
356 | draw_cd_leds();\r |
357 | if (PicoAHW & PAHW_PICO)\r |
358 | draw_pico_ptr();\r |
cc68a136 |
359 | \r |
cc68a136 |
360 | gp2x_video_flip();\r |
cc68a136 |
361 | }\r |
362 | \r |
cc68a136 |
363 | // clears whole screen or just the notice area (in all buffers)\r |
364 | static void clearArea(int full)\r |
365 | {\r |
cc41eb4f |
366 | int is_8bit = (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP);\r |
367 | if (!full && (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX)) {\r |
368 | /* ugh.. */\r |
369 | int i, u, *p;\r |
370 | if (is_8bit) {\r |
371 | for (i = 0; i < 4; i++) {\r |
372 | p = (int *)gp2x_screens[i] + (240-8) / 4;\r |
373 | for (u = 320; u > 0; u--, p += 240/4)\r |
374 | p[0] = p[1] = 0xe0e0e0e0;\r |
375 | }\r |
376 | } else {\r |
377 | for (i = 0; i < 4; i++) {\r |
378 | p = (int *)gp2x_screens[i] + (240-8)*2 / 4;\r |
379 | for (u = 320; u > 0; u--, p += 240*2/4)\r |
380 | p[0] = p[1] = p[2] = p[3] = 0;\r |
381 | }\r |
382 | }\r |
383 | return;\r |
384 | }\r |
385 | \r |
386 | if (is_8bit) {\r |
bf098bc5 |
387 | // 8-bit renderers\r |
388 | if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
389 | else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r |
390 | } else {\r |
cc68a136 |
391 | // 16bit accurate renderer\r |
392 | if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r |
393 | else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r |
cc68a136 |
394 | }\r |
395 | }\r |
396 | \r |
d34a42f9 |
397 | void plat_status_msg_busy_next(const char *msg)\r |
398 | {\r |
399 | clearArea(0);\r |
400 | blit("", msg);\r |
401 | \r |
402 | /* assumption: msg_busy_next gets called only when\r |
403 | * something slow is about to happen */\r |
404 | reset_timing = 1;\r |
405 | }\r |
406 | \r |
407 | void plat_status_msg_busy_first(const char *msg)\r |
408 | {\r |
409 | gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);\r |
410 | plat_status_msg_busy_next(msg);\r |
411 | }\r |
cc68a136 |
412 | \r |
413 | static void vidResetMode(void)\r |
414 | {\r |
cc41eb4f |
415 | PicoScanEnd = NULL;\r |
416 | \r |
d34a42f9 |
417 | if (PicoOpt & POPT_ALT_RENDERER) {\r |
cc41eb4f |
418 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
419 | gp2x_video_changemode(-8);\r |
420 | vidcpyM2 = vidcpy_m2_rot;\r |
421 | osd_text = osd_text8_rot;\r |
422 | } else {\r |
423 | gp2x_video_changemode(8);\r |
424 | vidcpyM2 = vidcpy_m2;\r |
425 | osd_text = osd_text8;\r |
426 | }\r |
427 | }\r |
428 | else if (currentConfig.EmuOpt & EOPT_16BPP) {\r |
cc68a136 |
429 | PicoDrawSetColorFormat(1);\r |
cc41eb4f |
430 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
431 | gp2x_video_changemode(-16);\r |
432 | PicoScanBegin = EmuScanBegin16_rot;\r |
433 | PicoScanEnd = EmuScanEnd16_rot;\r |
434 | osd_text = osd_text16_rot;\r |
435 | } else {\r |
436 | gp2x_video_changemode(16);\r |
437 | PicoScanBegin = EmuScanBegin16;\r |
438 | osd_text = osd_text16;\r |
439 | }\r |
440 | }\r |
441 | else {\r |
bf098bc5 |
442 | PicoDrawSetColorFormat(2);\r |
cc41eb4f |
443 | if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r |
444 | gp2x_video_changemode(-8);\r |
445 | PicoScanBegin = EmuScanBegin8_rot;\r |
446 | PicoScanEnd = EmuScanEnd8_rot;\r |
447 | osd_text = osd_text8_rot;\r |
448 | } else {\r |
449 | gp2x_video_changemode(8);\r |
450 | PicoScanBegin = EmuScanBegin8;\r |
451 | osd_text = osd_text8;\r |
452 | }\r |
bf098bc5 |
453 | }\r |
cc41eb4f |
454 | \r |
d34a42f9 |
455 | if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r |
bf098bc5 |
456 | // setup pal for 8-bit modes\r |
457 | localPal[0xc0] = 0x0000c000; // MCD LEDs\r |
458 | localPal[0xd0] = 0x00c00000;\r |
cc68a136 |
459 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
460 | localPal[0xf0] = 0x00ffffff;\r |
cc68a136 |
461 | gp2x_video_setpalette(localPal, 0x100);\r |
462 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
463 | gp2x_video_flip();\r |
cc68a136 |
464 | }\r |
465 | Pico.m.dirtyPal = 1;\r |
cc41eb4f |
466 | \r |
cc68a136 |
467 | // reset scaling\r |
ee2a3bdf |
468 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r |
2433f409 |
469 | gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r |
470 | else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
cc68a136 |
471 | }\r |
472 | \r |
d90f5bd7 |
473 | void plat_video_toggle_renderer(int is_next, int is_menu)\r |
66fdc0f0 |
474 | {\r |
d90f5bd7 |
475 | /* alt, 16bpp, 8bpp */\r |
d34a42f9 |
476 | if (PicoOpt & POPT_ALT_RENDERER) {\r |
477 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
d90f5bd7 |
478 | if (is_next)\r |
479 | currentConfig.EmuOpt |= EOPT_16BPP;\r |
480 | } else if (!(currentConfig.EmuOpt & EOPT_16BPP)) {\r |
481 | if (is_next)\r |
482 | PicoOpt |= POPT_ALT_RENDERER;\r |
483 | else\r |
484 | currentConfig.EmuOpt |= EOPT_16BPP;\r |
485 | } else {\r |
d34a42f9 |
486 | currentConfig.EmuOpt &= ~EOPT_16BPP;\r |
d90f5bd7 |
487 | if (!is_next)\r |
488 | PicoOpt |= POPT_ALT_RENDERER;\r |
489 | }\r |
490 | \r |
491 | if (is_menu)\r |
492 | return;\r |
7a1f6e45 |
493 | \r |
d34a42f9 |
494 | vidResetMode();\r |
66fdc0f0 |
495 | \r |
d34a42f9 |
496 | if (PicoOpt & POPT_ALT_RENDERER) {\r |
497 | plat_status_msg(" 8bit fast renderer");\r |
498 | } else if (currentConfig.EmuOpt & EOPT_16BPP) {\r |
499 | plat_status_msg("16bit accurate renderer");\r |
500 | } else {\r |
501 | plat_status_msg(" 8bit accurate renderer");\r |
502 | }\r |
fa1e5e29 |
503 | }\r |
504 | \r |
f2cf8472 |
505 | #if 0 // TODO\r |
991473ad |
506 | static void RunEventsPico(unsigned int events)\r |
406c96c5 |
507 | {\r |
f0f0d2df |
508 | int ret, px, py, lim_x;\r |
85a4b5a4 |
509 | static int pdown_frames = 0;\r |
510 | \r |
85a4b5a4 |
511 | // for F200\r |
512 | ret = gp2x_touchpad_read(&px, &py);\r |
f0f0d2df |
513 | if (ret >= 0)\r |
514 | {\r |
515 | if (ret > 35000)\r |
516 | {\r |
85a4b5a4 |
517 | if (pdown_frames++ > 5)\r |
518 | PicoPad[0] |= 0x20;\r |
519 | \r |
520 | pico_pen_x = px;\r |
521 | pico_pen_y = py;\r |
522 | if (!(Pico.video.reg[12]&1)) {\r |
523 | pico_pen_x -= 32;\r |
524 | if (pico_pen_x < 0) pico_pen_x = 0;\r |
525 | if (pico_pen_x > 248) pico_pen_x = 248;\r |
526 | }\r |
527 | if (pico_pen_y > 224) pico_pen_y = 224;\r |
528 | }\r |
529 | else\r |
f0f0d2df |
530 | pdown_frames = 0;\r |
85a4b5a4 |
531 | \r |
532 | //if (ret == 0)\r |
533 | // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
534 | }\r |
406c96c5 |
535 | }\r |
f2cf8472 |
536 | #endif\r |
406c96c5 |
537 | \r |
d34a42f9 |
538 | void plat_update_volume(int has_changed, int is_up)\r |
4a32f01f |
539 | {\r |
540 | static int prev_frame = 0, wait_frames = 0;\r |
541 | int vol = currentConfig.volume;\r |
d34a42f9 |
542 | int need_low_volume = 0;\r |
543 | gp2x_soc_t soc;\r |
544 | \r |
545 | soc = soc_detect();\r |
546 | if ((PicoOpt & POPT_EN_STEREO) && soc == SOCID_MMSP2)\r |
547 | need_low_volume = 1;\r |
4a32f01f |
548 | \r |
549 | if (has_changed)\r |
550 | {\r |
d34a42f9 |
551 | if (need_low_volume && vol < 5 && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r |
4a32f01f |
552 | wait_frames++;\r |
553 | else {\r |
554 | if (is_up) {\r |
555 | if (vol < 99) vol++;\r |
556 | } else {\r |
557 | if (vol > 0) vol--;\r |
558 | }\r |
559 | wait_frames = 0;\r |
e5ab6faf |
560 | sndout_oss_setvol(vol, vol);\r |
4a32f01f |
561 | currentConfig.volume = vol;\r |
562 | }\r |
d34a42f9 |
563 | plat_status_msg("VOL: %02i", vol);\r |
4a32f01f |
564 | prev_frame = Pico.m.frame_count;\r |
565 | }\r |
566 | \r |
d34a42f9 |
567 | if (need_low_volume)\r |
568 | return;\r |
569 | \r |
570 | /* set the right mixer func */\r |
4a32f01f |
571 | if (vol >= 5)\r |
572 | PsndMix_32_to_16l = mix_32_to_16l_stereo;\r |
573 | else {\r |
574 | mix_32_to_16l_level = 5 - vol;\r |
575 | PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r |
576 | }\r |
577 | }\r |
578 | \r |
cc68a136 |
579 | \r |
7a93adeb |
580 | static void updateSound(int len)\r |
cc68a136 |
581 | {\r |
7a93adeb |
582 | if (PicoOpt&8) len<<=1;\r |
cc68a136 |
583 | \r |
01bc6b19 |
584 | /* avoid writing audio when lagging behind to prevent audio lag */\r |
585 | if (PicoSkipFrame != 2)\r |
e5ab6faf |
586 | sndout_oss_write(PsndOut, len<<1);\r |
cc68a136 |
587 | }\r |
588 | \r |
f2cf8472 |
589 | void pemu_sound_start(void)\r |
7b3f44c6 |
590 | {\r |
591 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r |
592 | int target_fps = Pico.m.pal ? 50 : 60;\r |
593 | \r |
594 | PsndOut = NULL;\r |
595 | \r |
596 | // prepare sound stuff\r |
597 | if (currentConfig.EmuOpt & 4)\r |
598 | {\r |
599 | int snd_excess_add;\r |
600 | if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r |
601 | ((PicoOpt&0x200) && crashed_940)) {\r |
602 | PsndRerate(Pico.m.frame_count ? 1 : 0);\r |
603 | }\r |
604 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
605 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r |
606 | PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r |
e5ab6faf |
607 | sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r |
608 | sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r |
7b3f44c6 |
609 | PicoWriteSound = updateSound;\r |
d34a42f9 |
610 | plat_update_volume(0, 0);\r |
7b3f44c6 |
611 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
612 | PsndOut = sndBuffer;\r |
613 | PsndRate_old = PsndRate;\r |
614 | PicoOpt_old = PicoOpt;\r |
615 | pal_old = Pico.m.pal;\r |
616 | }\r |
617 | }\r |
618 | \r |
f2cf8472 |
619 | void pemu_sound_stop(void)\r |
7b3f44c6 |
620 | {\r |
621 | }\r |
622 | \r |
f2cf8472 |
623 | void pemu_sound_wait(void)\r |
7b3f44c6 |
624 | {\r |
625 | // don't need to do anything, writes will block by themselves\r |
626 | }\r |
627 | \r |
cc68a136 |
628 | \r |
01bc6b19 |
629 | static void SkipFrame(int do_audio)\r |
cc68a136 |
630 | {\r |
01bc6b19 |
631 | PicoSkipFrame=do_audio ? 1 : 2;\r |
cc68a136 |
632 | PicoFrame();\r |
633 | PicoSkipFrame=0;\r |
cc68a136 |
634 | }\r |
635 | \r |
636 | \r |
f2cf8472 |
637 | void pemu_forced_frame(int opts)\r |
860c6322 |
638 | {\r |
639 | int po_old = PicoOpt;\r |
a12e0116 |
640 | int eo_old = currentConfig.EmuOpt;\r |
641 | \r |
f2cf8472 |
642 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
643 | PicoOpt |= opts|POPT_ACC_SPRITES;\r |
644 | currentConfig.EmuOpt |= EOPT_16BPP;\r |
860c6322 |
645 | \r |
a12e0116 |
646 | PicoDrawSetColorFormat(1);\r |
602133e1 |
647 | PicoScanBegin = EmuScanBegin16;\r |
cc41eb4f |
648 | PicoScanEnd = NULL;\r |
a12e0116 |
649 | Pico.m.dirtyPal = 1;\r |
650 | PicoFrameDrawOnly();\r |
860c6322 |
651 | \r |
48e8482f |
652 | PicoOpt = po_old;\r |
a12e0116 |
653 | currentConfig.EmuOpt = eo_old;\r |
860c6322 |
654 | }\r |
655 | \r |
f2cf8472 |
656 | void plat_debug_cat(char *str)\r |
fcf94fcc |
657 | {\r |
fcf94fcc |
658 | }\r |
659 | \r |
cc68a136 |
660 | static void simpleWait(int thissec, int lim_time)\r |
661 | {\r |
662 | struct timeval tval;\r |
663 | \r |
664 | spend_cycles(1024);\r |
665 | gettimeofday(&tval, 0);\r |
da310283 |
666 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
cc68a136 |
667 | \r |
da310283 |
668 | while (tval.tv_usec < lim_time)\r |
cc68a136 |
669 | {\r |
670 | spend_cycles(1024);\r |
671 | gettimeofday(&tval, 0);\r |
da310283 |
672 | if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
cc68a136 |
673 | }\r |
674 | }\r |
675 | \r |
676 | \r |
da310283 |
677 | #if 0\r |
678 | static void tga_dump(void)\r |
679 | {\r |
680 | #define BYTE unsigned char\r |
681 | #define WORD unsigned short\r |
682 | struct\r |
683 | {\r |
684 | BYTE IDLength; /* 00h Size of Image ID field */\r |
685 | BYTE ColorMapType; /* 01h Color map type */\r |
686 | BYTE ImageType; /* 02h Image type code */\r |
687 | WORD CMapStart; /* 03h Color map origin */\r |
688 | WORD CMapLength; /* 05h Color map length */\r |
689 | BYTE CMapDepth; /* 07h Depth of color map entries */\r |
690 | WORD XOffset; /* 08h X origin of image */\r |
691 | WORD YOffset; /* 0Ah Y origin of image */\r |
692 | WORD Width; /* 0Ch Width of image */\r |
693 | WORD Height; /* 0Eh Height of image */\r |
694 | BYTE PixelDepth; /* 10h Image pixel size */\r |
695 | BYTE ImageDescriptor; /* 11h Image descriptor byte */\r |
696 | } __attribute__((packed)) TGAHEAD;\r |
697 | static unsigned short oldscr[320*240];\r |
698 | FILE *f; char name[128]; int i;\r |
699 | \r |
700 | memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r |
701 | TGAHEAD.ImageType = 2;\r |
702 | TGAHEAD.Width = 320;\r |
703 | TGAHEAD.Height = 240;\r |
704 | TGAHEAD.PixelDepth = 16;\r |
705 | TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r |
706 | \r |
707 | #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r |
708 | \r |
709 | for (i = 0; i < 320*240; i++)\r |
e2de9939 |
710 | if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r |
da310283 |
711 | if (i < 320*240)\r |
712 | {\r |
713 | for (i = 0; i < 320*240; i++)\r |
e2de9939 |
714 | oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r |
da310283 |
715 | sprintf(name, "%05i.tga", Pico.m.frame_count);\r |
716 | f = fopen(name, "wb");\r |
717 | if (!f) { printf("!f\n"); exit(1); }\r |
718 | fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r |
719 | fwrite(oldscr, 1, 320*240*2, f);\r |
720 | fclose(f);\r |
721 | }\r |
722 | }\r |
723 | #endif\r |
724 | \r |
725 | \r |
f2cf8472 |
726 | void pemu_loop(void)\r |
cc68a136 |
727 | {\r |
cc41eb4f |
728 | static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0;\r |
729 | static int gp2x_old_gamma = 100;\r |
cc68a136 |
730 | char fpsbuff[24]; // fps count c string\r |
731 | struct timeval tval; // timing\r |
da310283 |
732 | int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r |
733 | int frames_done, frames_shown, thissec; // actual frames\r |
734 | int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r |
cc68a136 |
735 | char *notice = 0;\r |
736 | \r |
737 | printf("entered emu_Loop()\n");\r |
738 | \r |
0d9bf4fc |
739 | if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r |
740 | if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r |
ee2a3bdf |
741 | set_ram_timings();\r |
0d9bf4fc |
742 | else\r |
743 | unset_ram_timings();\r |
744 | }\r |
745 | \r |
746 | if (gp2x_old_clock < 0)\r |
747 | gp2x_old_clock = default_cpu_clock;\r |
cc68a136 |
748 | if (gp2x_old_clock != currentConfig.CPUclock) {\r |
749 | printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r |
0d9bf4fc |
750 | gp2x_set_cpuclk(currentConfig.CPUclock);\r |
cc68a136 |
751 | gp2x_old_clock = currentConfig.CPUclock;\r |
752 | printf(" done\n");\r |
753 | }\r |
754 | \r |
82bc9cdd |
755 | if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r |
0d9bf4fc |
756 | set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r |
cc68a136 |
757 | gp2x_old_gamma = currentConfig.gamma;\r |
82bc9cdd |
758 | printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r |
cc68a136 |
759 | }\r |
760 | \r |
cc41eb4f |
761 | if (((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_PSYNC) || Pico.m.pal != pal_old) {\r |
0d9bf4fc |
762 | if (currentConfig.EmuOpt & EOPT_PSYNC)\r |
763 | set_lcd_custom_rate(Pico.m.pal);\r |
764 | else\r |
765 | unset_lcd_custom_rate();\r |
aae35e84 |
766 | }\r |
767 | \r |
0d9bf4fc |
768 | if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)\r |
769 | gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);\r |
770 | \r |
aae35e84 |
771 | EmuOpt_old = currentConfig.EmuOpt;\r |
cc41eb4f |
772 | pal_old = Pico.m.pal;\r |
cc68a136 |
773 | fpsbuff[0] = 0;\r |
774 | \r |
775 | // make sure we are in correct mode\r |
776 | vidResetMode();\r |
ea8c405f |
777 | scaling_update();\r |
e11c5548 |
778 | Pico.m.dirtyPal = 1;\r |
cc68a136 |
779 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
cc68a136 |
780 | \r |
781 | // pal/ntsc might have changed, reset related stuff\r |
782 | target_fps = Pico.m.pal ? 50 : 60;\r |
783 | target_frametime = 1000000/target_fps;\r |
784 | reset_timing = 1;\r |
785 | \r |
f2cf8472 |
786 | pemu_sound_start();\r |
cc68a136 |
787 | \r |
0a051f55 |
788 | // prepare CD buffer\r |
602133e1 |
789 | if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r |
0a051f55 |
790 | \r |
aae35e84 |
791 | // calc vsync offset to sync timing code with vsync\r |
cc41eb4f |
792 | if (currentConfig.EmuOpt & EOPT_PSYNC) {\r |
aae35e84 |
793 | gettimeofday(&tval, 0);\r |
794 | gp2x_video_wait_vsync();\r |
795 | gettimeofday(&tval, 0);\r |
796 | vsync_offset = tval.tv_usec;\r |
797 | while (vsync_offset >= target_frametime)\r |
798 | vsync_offset -= target_frametime;\r |
799 | if (!vsync_offset) vsync_offset++;\r |
800 | printf("vsync_offset: %i\n", vsync_offset);\r |
801 | } else\r |
802 | vsync_offset = 0;\r |
803 | \r |
da310283 |
804 | frames_done = frames_shown = thissec =\r |
805 | pframes_done = pframes_shown = pthissec = 0;\r |
806 | \r |
807 | // loop\r |
cc68a136 |
808 | while (engineState == PGS_Running)\r |
809 | {\r |
810 | int modes;\r |
811 | \r |
812 | gettimeofday(&tval, 0);\r |
4a32f01f |
813 | if (reset_timing) {\r |
cc68a136 |
814 | reset_timing = 0;\r |
da310283 |
815 | pthissec = tval.tv_sec;\r |
816 | pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r |
cc68a136 |
817 | }\r |
818 | \r |
819 | // show notice message?\r |
4a32f01f |
820 | if (noticeMsgTime.tv_sec)\r |
821 | {\r |
cc68a136 |
822 | static int noticeMsgSum;\r |
823 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
824 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
825 | clearArea(0);\r |
826 | notice = 0;\r |
827 | } else {\r |
828 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
829 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
830 | notice = noticeMsg;\r |
831 | }\r |
832 | }\r |
833 | \r |
834 | // check for mode changes\r |
835 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
4a32f01f |
836 | if (modes != oldmodes)\r |
837 | {\r |
cc68a136 |
838 | int scalex = 320;\r |
839 | osd_fps_x = OSD_FPS_X;\r |
cc41eb4f |
840 | if (!(modes & 4) && (PicoOpt & POPT_DIS_32C_BORDER)) {\r |
841 | scalex = 256;\r |
842 | osd_fps_x = OSD_FPS_X - 64;\r |
cc68a136 |
843 | }\r |
ee2a3bdf |
844 | /* want vertical scaling and game is not in 240 line mode */\r |
845 | if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(modes&8))\r |
2433f409 |
846 | gp2x_video_RGB_setscaling(8, scalex, 224);\r |
847 | else gp2x_video_RGB_setscaling(0, scalex, 240);\r |
cc68a136 |
848 | oldmodes = modes;\r |
849 | clearArea(1);\r |
850 | }\r |
851 | \r |
852 | // second changed?\r |
4a32f01f |
853 | if (thissec != tval.tv_sec)\r |
854 | {\r |
cc68a136 |
855 | #ifdef BENCHMARK\r |
856 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
4a32f01f |
857 | if (++bench == 10) {\r |
cc68a136 |
858 | bench = 0;\r |
859 | bench_fps_s = bench_fps;\r |
860 | bf[bfp++ & 3] = bench_fps;\r |
861 | bench_fps = 0;\r |
862 | }\r |
863 | bench_fps += frames_shown;\r |
864 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
865 | #else\r |
1b13dae0 |
866 | if (currentConfig.EmuOpt & 2) {\r |
cc68a136 |
867 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
1b13dae0 |
868 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
869 | }\r |
cc68a136 |
870 | #endif\r |
da310283 |
871 | frames_shown = frames_done = 0;\r |
cc68a136 |
872 | thissec = tval.tv_sec;\r |
da310283 |
873 | }\r |
874 | #ifdef PFRAMES\r |
875 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
876 | #endif\r |
cc68a136 |
877 | \r |
da310283 |
878 | if (pthissec != tval.tv_sec)\r |
879 | {\r |
4a32f01f |
880 | if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
da310283 |
881 | pframes_done = pframes_shown = 0;\r |
cc68a136 |
882 | } else {\r |
883 | // it is quite common for this implementation to leave 1 fame unfinished\r |
884 | // when second changes, but we don't want buffer to starve.\r |
d34a42f9 |
885 | if (PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r |
886 | emu_update_input();\r |
da310283 |
887 | SkipFrame(1); pframes_done++;\r |
cc68a136 |
888 | }\r |
889 | \r |
da310283 |
890 | pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r |
891 | pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r |
892 | if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r |
cc68a136 |
893 | }\r |
da310283 |
894 | pthissec = tval.tv_sec;\r |
cc68a136 |
895 | }\r |
aae35e84 |
896 | \r |
da310283 |
897 | lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r |
898 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
899 | {\r |
cc68a136 |
900 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
d34a42f9 |
901 | emu_update_input();\r |
da310283 |
902 | SkipFrame(1); pframes_done++; frames_done++;\r |
4a32f01f |
903 | if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r |
cc68a136 |
904 | gettimeofday(&tval, 0);\r |
da310283 |
905 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
906 | if (tval.tv_usec < lim_time) { // we are too fast\r |
907 | simpleWait(pthissec, lim_time);\r |
cc68a136 |
908 | }\r |
909 | }\r |
910 | lim_time += target_frametime;\r |
911 | }\r |
da310283 |
912 | }\r |
913 | else if (tval.tv_usec > lim_time) // auto frameskip\r |
914 | {\r |
cc68a136 |
915 | // no time left for this frame - skip\r |
ea8c405f |
916 | if (tval.tv_usec - lim_time >= 300000) {\r |
4ff2d527 |
917 | /* something caused a slowdown for us (disk access? cache flush?)\r |
918 | * try to recover by resetting timing... */\r |
919 | reset_timing = 1;\r |
920 | continue;\r |
921 | }\r |
d34a42f9 |
922 | emu_update_input();\r |
da310283 |
923 | SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r |
cc68a136 |
924 | continue;\r |
925 | }\r |
926 | \r |
d34a42f9 |
927 | emu_update_input();\r |
cc68a136 |
928 | PicoFrame();\r |
929 | \r |
930 | // check time\r |
931 | gettimeofday(&tval, 0);\r |
da310283 |
932 | if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
cc68a136 |
933 | \r |
ea8c405f |
934 | if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r |
4ff2d527 |
935 | reset_timing = 1;\r |
936 | else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r |
cc68a136 |
937 | {\r |
aae35e84 |
938 | // sleep or vsync if we are still too fast\r |
cc68a136 |
939 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
4a32f01f |
940 | if (!reset_timing && tval.tv_usec < lim_time)\r |
cc68a136 |
941 | {\r |
942 | // we are too fast\r |
aae35e84 |
943 | if (vsync_offset) {\r |
944 | if (lim_time - tval.tv_usec > target_frametime/2)\r |
da310283 |
945 | simpleWait(pthissec, lim_time - target_frametime/4);\r |
aae35e84 |
946 | gp2x_video_wait_vsync();\r |
947 | } else {\r |
da310283 |
948 | simpleWait(pthissec, lim_time);\r |
aae35e84 |
949 | }\r |
cc68a136 |
950 | }\r |
951 | }\r |
952 | \r |
953 | blit(fpsbuff, notice);\r |
954 | \r |
da310283 |
955 | pframes_done++; pframes_shown++;\r |
956 | frames_done++; frames_shown++;\r |
cc68a136 |
957 | }\r |
958 | \r |
a47dd663 |
959 | emu_set_fastforward(0);\r |
0a051f55 |
960 | \r |
d34a42f9 |
961 | if (PicoAHW & PAHW_MCD)\r |
962 | PicoCDBufferFree();\r |
0a051f55 |
963 | \r |
cc68a136 |
964 | // save SRAM\r |
a47dd663 |
965 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
d34a42f9 |
966 | plat_status_msg_busy_first("Writing SRAM/BRAM...");\r |
a47dd663 |
967 | emu_save_load_game(0, 1);\r |
cc68a136 |
968 | SRam.changed = 0;\r |
969 | }\r |
e11c5548 |
970 | \r |
cc41eb4f |
971 | // do menu background to be sure it's right\r |
972 | pemu_forced_frame(POPT_EN_SOFTSCALE);\r |
cc68a136 |
973 | }\r |
974 | \r |
713c9224 |
975 | const char *plat_get_credits(void)\r |
976 | {\r |
977 | return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r |
978 | "Credits:\n"\r |
979 | "fDave: Cyclone 68000 core,\n"\r |
980 | " base code of PicoDrive\n"\r |
981 | "Reesy & FluBBa: DrZ80 core\n"\r |
982 | "MAME devs: YM2612 and SN76496 cores\n"\r |
983 | "rlyeh and others: minimal SDK\n"\r |
42171343 |
984 | "Squidge: mmuhack\n"\r |
713c9224 |
985 | "Dzz: ARM940 sample\n"\r |
986 | "GnoStiC / Puck2099: USB joy code\n"\r |
987 | "craigix: GP2X hardware\n"\r |
988 | "ketchupgun: skin design\n"\r |
989 | "\n"\r |
990 | "special thanks (for docs, ideas):\n"\r |
991 | " Charles MacDonald, Haze,\n"\r |
992 | " Stephane Dallongeville,\n"\r |
993 | " Lordus, Exophase, Rokas,\n"\r |
994 | " Nemesis, Tasco Deluxe";\r |
995 | }\r |