notaz.gp2x.de / picodrive.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
revive pandora and win32 builds, rm gp2x dep for linux, lots of refactoring
[picodrive.git] / platform / gp2x / emu.c
CommitLineData
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
cc68a136 8\r
0d9bf4fc 9#include "plat_gp2x.h"\r
42171343 10#include "soc.h"\r
bcd94522 11#include "../common/plat.h"\r
991473ad 12#include "../common/menu.h"\r
e5f426aa 13#include "../common/arm_utils.h"\r
14#include "../common/fonts.h"\r
ea8c405f 15#include "../common/emu.h"\r
58c86d00 16#include "../common/config.h"\r
e5ab6faf 17#include "../linux/sndout_oss.h"\r
713c9224 18#include "version.h"\r
cc68a136 19\r
efcba75f 20#include <pico/pico_int.h>\r
21#include <pico/patch.h>\r
22#include <pico/sound/mix.h>\r
b67ef287 23#include <zlib/zlib.h>\r
cc68a136 24\r
1dceadae 25//#define PFRAMES\r
cc68a136 26\r
27#ifdef BENCHMARK\r
28#define OSD_FPS_X 220\r
29#else\r
30#define OSD_FPS_X 260\r
31#endif\r
32\r
cc68a136 33\r
cc68a136 34extern int crashed_940;\r
35\r
02da059d 36static short __attribute__((aligned(4))) sndBuffer[2*(44100+100)/50];\r
f2cf8472 37static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];\r
38unsigned char *PicoDraw2FB = PicoDraw2FB_;\r
19954be1 39static int osd_fps_x, osd_y;\r
cc68a136 40\r
cc41eb4f 41extern void *gp2x_screens[4];\r
cc68a136 42\r
cc68a136 43\r
ea8c405f 44static void scaling_update(void)\r
2433f409 45{\r
ee2a3bdf 46 PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);\r
2433f409 47 switch (currentConfig.scaling) {\r
ee2a3bdf 48 default:break;\r
49 case EOPT_SCALE_HW_H:\r
50 case EOPT_SCALE_HW_HV:\r
51 PicoOpt |= POPT_DIS_32C_BORDER;\r
52 break;\r
53 case EOPT_SCALE_SW_H:\r
54 PicoOpt |= POPT_EN_SOFTSCALE;\r
55 break;\r
2433f409 56 }\r
57}\r
58\r
59\r
f2cf8472 60void pemu_prep_defconfig(void)\r
58c86d00 61{\r
ee2a3bdf 62 gp2x_soc_t soc;\r
63\r
ee2a3bdf 64 defaultConfig.CPUclock = default_cpu_clock;\r
ee2a3bdf 65\r
66 soc = soc_detect();\r
67 if (soc == SOCID_MMSP2)\r
68 defaultConfig.s_PicoOpt |= POPT_EXT_FM;\r
cc41eb4f 69 else if (soc == SOCID_POLLUX)\r
61753a67 70 defaultConfig.EmuOpt |= EOPT_WIZ_TEAR_FIX|EOPT_SHOW_RTC;\r
58c86d00 71}\r
72\r
697746df 73void pemu_validate_config(void)\r
74{\r
75 gp2x_soc_t soc;\r
76\r
77 soc = soc_detect();\r
78 if (soc != SOCID_MMSP2)\r
79 PicoOpt &= ~POPT_EXT_FM;\r
80 if (soc != SOCID_POLLUX)\r
81 currentConfig.EmuOpt &= ~EOPT_WIZ_TEAR_FIX;\r
82\r
83 if (currentConfig.gamma < 10 || currentConfig.gamma > 300)\r
84 currentConfig.gamma = 100;\r
85\r
86 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 1024)\r
87 currentConfig.CPUclock = default_cpu_clock;\r
88}\r
89\r
cc41eb4f 90static void (*osd_text)(int x, int y, const char *text);\r
91\r
92static void osd_text8(int x, int y, const char *text)\r
cc68a136 93{\r
94 int len = strlen(text)*8;\r
e2de9939 95 int *p, i, h, offs;\r
cc68a136 96\r
cc41eb4f 97 len = (len+3) >> 2;\r
98 for (h = 0; h < 8; h++) {\r
99 offs = (x + g_screen_width * (y+h)) & ~3;\r
100 p = (int *) ((char *)g_screen_ptr + offs);\r
101 for (i = len; i; i--, p++)\r
102 *p = 0xe0e0e0e0;\r
103 }\r
104 emu_text_out8(x, y, text);\r
105}\r
106\r
107static void osd_text16(int x, int y, const char *text)\r
108{\r
109 int len = strlen(text)*8;\r
110 int *p, i, h, offs;\r
111\r
112 len = (len+1) >> 1;\r
113 for (h = 0; h < 8; h++) {\r
114 offs = (x + g_screen_width * (y+h)) & ~1;\r
115 p = (int *) ((short *)g_screen_ptr + offs);\r
116 for (i = len; i; i--, p++)\r
117 *p = (*p >> 2) & 0x39e7;\r
118 }\r
119 emu_text_out16(x, y, text);\r
120}\r
121\r
122static void osd_text8_rot(int x, int y, const char *text)\r
123{\r
124 int len = strlen(text) * 8;\r
125 char *p = (char *)g_screen_ptr + 240*(320-x) + y;\r
126\r
127 while (len--) {\r
128 memset(p, 0xe0, 8);\r
129 p -= 240;\r
cc68a136 130 }\r
cc41eb4f 131\r
132 emu_text_out8_rot(x, y, text);\r
133}\r
134\r
135static void osd_text16_rot(int x, int y, const char *text)\r
136{\r
137 int len = strlen(text) * 8;\r
138 short *p = (short *)g_screen_ptr + 240*(320-x) + y;\r
139\r
140 while (len--) {\r
141 memset(p, 0, 8*2);\r
142 p -= 240;\r
143 }\r
144\r
145 emu_text_out16_rot(x, y, text);\r
cc68a136 146}\r
147\r
213c16ad 148static void draw_cd_leds(void)\r
bf098bc5 149{\r
cc41eb4f 150 int led_reg, pitch, scr_offs, led_offs;\r
151 led_reg = Pico_mcd->s68k_regs[0];\r
152\r
153 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
154 pitch = 240;\r
155 led_offs = -pitch * 6;\r
156 scr_offs = pitch * (320 - 4);\r
157 } else {\r
158 pitch = 320;\r
159 led_offs = 4;\r
160 scr_offs = pitch * 2 + 4;\r
161 }\r
bf098bc5 162\r
d34a42f9 163 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
cc41eb4f 164 #define p(x) px[(x) >> 2]\r
bf098bc5 165 // 8-bit modes\r
cc41eb4f 166 unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);\r
167 unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
168 unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
169 p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r
170 p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
171 #undef p\r
bf098bc5 172 } else {\r
cc41eb4f 173 #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r
bf098bc5 174 // 16-bit modes\r
cc41eb4f 175 unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);\r
176 unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r
177 unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r
178 p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r
179 p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
180 #undef p\r
bf098bc5 181 }\r
182}\r
183\r
213c16ad 184static void draw_pico_ptr(void)\r
185{\r
e2de9939 186 unsigned short *p = (unsigned short *)g_screen_ptr;\r
cc41eb4f 187 int x, y, pitch = 320;\r
213c16ad 188\r
189 // only if pen enabled and for 16bit modes\r
cc41eb4f 190 if (pico_inp_mode == 0 || (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r
191 return;\r
213c16ad 192\r
cc41eb4f 193 x = pico_pen_x + PICO_PEN_ADJUST_X;\r
194 y = pico_pen_y + PICO_PEN_ADJUST_Y;\r
195 if (!(Pico.video.reg[12]&1) && !(PicoOpt & POPT_DIS_32C_BORDER))\r
196 x += 32;\r
213c16ad 197\r
02da059d 198 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
cc41eb4f 199 pitch = 240;\r
200 p += (319 - x) * pitch + y;\r
201 } else\r
202 p += x + y * pitch;\r
203\r
204 p[0] ^= 0xffff;\r
205 p[pitch-1] ^= 0xffff;\r
206 p[pitch] ^= 0xffff;\r
207 p[pitch+1] ^= 0xffff;\r
208 p[pitch*2] ^= 0xffff;\r
213c16ad 209}\r
210\r
602133e1 211static int EmuScanBegin16(unsigned int num)\r
cc68a136 212{\r
e2de9939 213 DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r
cc68a136 214\r
215 return 0;\r
216}\r
217\r
602133e1 218static int EmuScanBegin8(unsigned int num)\r
cc68a136 219{\r
e2de9939 220 DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num;\r
cc68a136 221\r
222 return 0;\r
223}\r
224\r
cc41eb4f 225/* rot thing for Wiz */\r
226static unsigned char __attribute__((aligned(4))) rot_buff[320*4*2];\r
227\r
228static int EmuScanBegin16_rot(unsigned int num)\r
229{\r
230 DrawLineDest = rot_buff + (num & 3) * 320 * 2;\r
231 return 0;\r
232}\r
233\r
234static int EmuScanEnd16_rot(unsigned int num)\r
235{\r
236 if ((num & 3) != 3)\r
237 return 0;\r
cc41eb4f 238 rotated_blit16(g_screen_ptr, rot_buff, num + 1,\r
239 !(Pico.video.reg[12] & 1) && !(PicoOpt & POPT_EN_SOFTSCALE));\r
240 return 0;\r
241}\r
242\r
243static int EmuScanBegin8_rot(unsigned int num)\r
244{\r
245 DrawLineDest = rot_buff + (num & 3) * 320;\r
246 return 0;\r
247}\r
248\r
249static int EmuScanEnd8_rot(unsigned int num)\r
250{\r
251 if ((num & 3) != 3)\r
252 return 0;\r
cc41eb4f 253 rotated_blit8(g_screen_ptr, rot_buff, num + 1,\r
254 !(Pico.video.reg[12] & 1));\r
255 return 0;\r
256}\r
257\r
19954be1 258static int localPal[0x100];\r
259static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border);\r
260static int (*make_local_pal)(int fast_mode);\r
261\r
262static int make_local_pal_md(int fast_mode)\r
263{\r
264 int pallen = 0xc0;\r
265\r
266 bgr444_to_rgb32(localPal, Pico.cram);\r
267 if (fast_mode)\r
268 return 0x40;\r
269\r
270 if (Pico.video.reg[0xC] & 8) { // shadow/hilight mode\r
271 bgr444_to_rgb32_sh(localPal, Pico.cram);\r
272 localPal[0xc0] = 0x0000c000;\r
273 localPal[0xd0] = 0x00c00000;\r
274 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
275 localPal[0xf0] = 0x00ffffff;\r
276 pallen = 0x100;\r
277 }\r
278 else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
279 bgr444_to_rgb32(localPal+0x40, HighPal);\r
280 bgr444_to_rgb32(localPal+0x80, HighPal+0x40);\r
281 }\r
282 else\r
283 memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r
284\r
285 return pallen;\r
286}\r
287\r
288static int make_local_pal_sms(int fast_mode)\r
289{\r
290 unsigned short *spal = Pico.cram;\r
291 unsigned int *dpal = (void *)localPal;\r
292 unsigned int i, t;\r
293\r
294 for (i = 0x40; i > 0; i--) {\r
295 t = *spal++;\r
296 t = ((t & 0x0003) << 22) | ((t & 0x000c) << 12) | ((t & 0x0030) << 2);\r
297 t |= t >> 2;\r
298 t |= t >> 4;\r
299 *dpal++ = t;\r
300 }\r
301\r
302 return 0x40;\r
303}\r
cc68a136 304\r
b24e0f6c 305void pemu_update_display(const char *fps, const char *notice)\r
cc68a136 306{\r
bf098bc5 307 int emu_opt = currentConfig.EmuOpt;\r
19954be1 308 int ret;\r
bf098bc5 309\r
d34a42f9 310 if (PicoOpt & POPT_ALT_RENDERER)\r
fad24893 311 {\r
cc68a136 312 // 8bit fast renderer\r
313 if (Pico.m.dirtyPal) {\r
314 Pico.m.dirtyPal = 0;\r
19954be1 315 ret = make_local_pal(1);\r
cc68a136 316 // feed new palette to our device\r
19954be1 317 gp2x_video_setpalette(localPal, ret);\r
cc68a136 318 }\r
fad24893 319 // a hack for VR\r
45f2f245 320 if (PicoAHW & PAHW_SVP)\r
fad24893 321 memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
322 // do actual copy\r
cc41eb4f 323 vidcpyM2(g_screen_ptr, PicoDraw2FB+328*8,\r
324 !(Pico.video.reg[12] & 1), !(PicoOpt & POPT_DIS_32C_BORDER));\r
fad24893 325 }\r
d34a42f9 326 else if (!(emu_opt & EOPT_16BPP))\r
fad24893 327 {\r
cc68a136 328 // 8bit accurate renderer\r
602133e1 329 if (Pico.m.dirtyPal)\r
330 {\r
cc68a136 331 Pico.m.dirtyPal = 0;\r
19954be1 332 ret = make_local_pal(0);\r
333 gp2x_video_setpalette(localPal, ret);\r
cc68a136 334 }\r
335 }\r
336\r
697746df 337 if (notice || (emu_opt & EOPT_SHOW_FPS)) {\r
ee2a3bdf 338 if (notice)\r
19954be1 339 osd_text(4, osd_y, notice);\r
2433f409 340 if (emu_opt & 2)\r
19954be1 341 osd_text(osd_fps_x, osd_y, fps);\r
2433f409 342 }\r
697746df 343 if ((PicoAHW & PAHW_MCD) && (emu_opt & EOPT_EN_CD_LEDS))\r
213c16ad 344 draw_cd_leds();\r
345 if (PicoAHW & PAHW_PICO)\r
346 draw_pico_ptr();\r
cc68a136 347\r
cc68a136 348 gp2x_video_flip();\r
cc68a136 349}\r
350\r
b24e0f6c 351/* XXX */\r
352#ifdef __GP2X__\r
353unsigned int plat_get_ticks_ms(void)\r
354{\r
355 return gp2x_get_ticks_ms();\r
356}\r
357\r
358unsigned int plat_get_ticks_us(void)\r
359{\r
360 return gp2x_get_ticks_us();\r
361}\r
362#endif\r
363\r
364void plat_wait_till_us(unsigned int us_to)\r
365{\r
366 unsigned int now;\r
367\r
368 spend_cycles(1024);\r
369 now = plat_get_ticks_us();\r
370\r
371 while ((signed int)(us_to - now) > 512)\r
372 {\r
373 spend_cycles(1024);\r
374 now = plat_get_ticks_us();\r
375 }\r
376}\r
377\r
378void plat_video_wait_vsync(void)\r
379{\r
380 gp2x_video_wait_vsync();\r
381}\r
382\r
383void plat_status_msg_clear(void)\r
cc68a136 384{\r
cc41eb4f 385 int is_8bit = (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP);\r
b24e0f6c 386 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
cc41eb4f 387 /* ugh.. */\r
388 int i, u, *p;\r
389 if (is_8bit) {\r
390 for (i = 0; i < 4; i++) {\r
391 p = (int *)gp2x_screens[i] + (240-8) / 4;\r
392 for (u = 320; u > 0; u--, p += 240/4)\r
393 p[0] = p[1] = 0xe0e0e0e0;\r
394 }\r
395 } else {\r
396 for (i = 0; i < 4; i++) {\r
397 p = (int *)gp2x_screens[i] + (240-8)*2 / 4;\r
398 for (u = 320; u > 0; u--, p += 240*2/4)\r
399 p[0] = p[1] = p[2] = p[3] = 0;\r
400 }\r
401 }\r
402 return;\r
403 }\r
404\r
b24e0f6c 405 if (is_8bit)\r
406 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
407 else\r
408 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
cc68a136 409}\r
410\r
d34a42f9 411void plat_status_msg_busy_next(const char *msg)\r
412{\r
b24e0f6c 413 plat_status_msg_clear();\r
414 pemu_update_display("", msg);\r
7c34867a 415 emu_status_msg("");\r
d34a42f9 416\r
417 /* assumption: msg_busy_next gets called only when\r
418 * something slow is about to happen */\r
419 reset_timing = 1;\r
420}\r
421\r
422void plat_status_msg_busy_first(const char *msg)\r
423{\r
424 gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);\r
425 plat_status_msg_busy_next(msg);\r
426}\r
cc68a136 427\r
428static void vidResetMode(void)\r
429{\r
cc41eb4f 430 PicoScanEnd = NULL;\r
431\r
d34a42f9 432 if (PicoOpt & POPT_ALT_RENDERER) {\r
cc41eb4f 433 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
434 gp2x_video_changemode(-8);\r
435 vidcpyM2 = vidcpy_m2_rot;\r
436 osd_text = osd_text8_rot;\r
437 } else {\r
438 gp2x_video_changemode(8);\r
439 vidcpyM2 = vidcpy_m2;\r
440 osd_text = osd_text8;\r
441 }\r
442 }\r
443 else if (currentConfig.EmuOpt & EOPT_16BPP) {\r
cc68a136 444 PicoDrawSetColorFormat(1);\r
cc41eb4f 445 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
446 gp2x_video_changemode(-16);\r
447 PicoScanBegin = EmuScanBegin16_rot;\r
448 PicoScanEnd = EmuScanEnd16_rot;\r
449 osd_text = osd_text16_rot;\r
450 } else {\r
451 gp2x_video_changemode(16);\r
452 PicoScanBegin = EmuScanBegin16;\r
453 osd_text = osd_text16;\r
454 }\r
455 }\r
456 else {\r
bf098bc5 457 PicoDrawSetColorFormat(2);\r
cc41eb4f 458 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
459 gp2x_video_changemode(-8);\r
460 PicoScanBegin = EmuScanBegin8_rot;\r
461 PicoScanEnd = EmuScanEnd8_rot;\r
462 osd_text = osd_text8_rot;\r
463 } else {\r
464 gp2x_video_changemode(8);\r
465 PicoScanBegin = EmuScanBegin8;\r
466 osd_text = osd_text8;\r
467 }\r
bf098bc5 468 }\r
cc41eb4f 469\r
d34a42f9 470 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
bf098bc5 471 // setup pal for 8-bit modes\r
472 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
473 localPal[0xd0] = 0x00c00000;\r
cc68a136 474 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
475 localPal[0xf0] = 0x00ffffff;\r
cc68a136 476 gp2x_video_setpalette(localPal, 0x100);\r
477 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
478 gp2x_video_flip();\r
cc68a136 479 }\r
480 Pico.m.dirtyPal = 1;\r
cc41eb4f 481\r
cc68a136 482 // reset scaling\r
ee2a3bdf 483 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r
2433f409 484 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
485 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
19954be1 486\r
487 // palette converters for 8bit modes\r
488 make_local_pal = (PicoAHW & PAHW_SMS) ? make_local_pal_sms : make_local_pal_md;\r
cc68a136 489}\r
490\r
974fdb5b 491void plat_video_toggle_renderer(int is_next, int force_16bpp, int is_menu)\r
66fdc0f0 492{\r
974fdb5b 493 if (force_16bpp) {\r
494 PicoOpt &= ~POPT_ALT_RENDERER;\r
495 currentConfig.EmuOpt |= EOPT_16BPP;\r
496 }\r
d90f5bd7 497 /* alt, 16bpp, 8bpp */\r
974fdb5b 498 else if (PicoOpt & POPT_ALT_RENDERER) {\r
d34a42f9 499 PicoOpt &= ~POPT_ALT_RENDERER;\r
d90f5bd7 500 if (is_next)\r
501 currentConfig.EmuOpt |= EOPT_16BPP;\r
502 } else if (!(currentConfig.EmuOpt & EOPT_16BPP)) {\r
503 if (is_next)\r
504 PicoOpt |= POPT_ALT_RENDERER;\r
505 else\r
506 currentConfig.EmuOpt |= EOPT_16BPP;\r
507 } else {\r
d34a42f9 508 currentConfig.EmuOpt &= ~EOPT_16BPP;\r
d90f5bd7 509 if (!is_next)\r
510 PicoOpt |= POPT_ALT_RENDERER;\r
511 }\r
512\r
513 if (is_menu)\r
514 return;\r
7a1f6e45 515\r
d34a42f9 516 vidResetMode();\r
19954be1 517 rendstatus_old = -1;\r
66fdc0f0 518\r
d34a42f9 519 if (PicoOpt & POPT_ALT_RENDERER) {\r
b24e0f6c 520 emu_status_msg(" 8bit fast renderer");\r
d34a42f9 521 } else if (currentConfig.EmuOpt & EOPT_16BPP) {\r
b24e0f6c 522 emu_status_msg("16bit accurate renderer");\r
d34a42f9 523 } else {\r
b24e0f6c 524 emu_status_msg(" 8bit accurate renderer");\r
d34a42f9 525 }\r
fa1e5e29 526}\r
527\r
f2cf8472 528#if 0 // TODO\r
991473ad 529static void RunEventsPico(unsigned int events)\r
406c96c5 530{\r
f0f0d2df 531 int ret, px, py, lim_x;\r
85a4b5a4 532 static int pdown_frames = 0;\r
533\r
85a4b5a4 534 // for F200\r
535 ret = gp2x_touchpad_read(&px, &py);\r
f0f0d2df 536 if (ret >= 0)\r
537 {\r
538 if (ret > 35000)\r
539 {\r
85a4b5a4 540 if (pdown_frames++ > 5)\r
541 PicoPad[0] |= 0x20;\r
542\r
543 pico_pen_x = px;\r
544 pico_pen_y = py;\r
545 if (!(Pico.video.reg[12]&1)) {\r
546 pico_pen_x -= 32;\r
547 if (pico_pen_x < 0) pico_pen_x = 0;\r
548 if (pico_pen_x > 248) pico_pen_x = 248;\r
549 }\r
550 if (pico_pen_y > 224) pico_pen_y = 224;\r
551 }\r
552 else\r
f0f0d2df 553 pdown_frames = 0;\r
85a4b5a4 554\r
555 //if (ret == 0)\r
556 // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
557 }\r
406c96c5 558}\r
f2cf8472 559#endif\r
406c96c5 560\r
d34a42f9 561void plat_update_volume(int has_changed, int is_up)\r
4a32f01f 562{\r
563 static int prev_frame = 0, wait_frames = 0;\r
564 int vol = currentConfig.volume;\r
d34a42f9 565 int need_low_volume = 0;\r
566 gp2x_soc_t soc;\r
567\r
568 soc = soc_detect();\r
569 if ((PicoOpt & POPT_EN_STEREO) && soc == SOCID_MMSP2)\r
570 need_low_volume = 1;\r
4a32f01f 571\r
572 if (has_changed)\r
573 {\r
d34a42f9 574 if (need_low_volume && vol < 5 && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
4a32f01f 575 wait_frames++;\r
576 else {\r
577 if (is_up) {\r
578 if (vol < 99) vol++;\r
579 } else {\r
580 if (vol > 0) vol--;\r
581 }\r
582 wait_frames = 0;\r
e5ab6faf 583 sndout_oss_setvol(vol, vol);\r
4a32f01f 584 currentConfig.volume = vol;\r
585 }\r
b24e0f6c 586 emu_status_msg("VOL: %02i", vol);\r
4a32f01f 587 prev_frame = Pico.m.frame_count;\r
588 }\r
589\r
54646a39 590 if (!need_low_volume)\r
d34a42f9 591 return;\r
592\r
593 /* set the right mixer func */\r
4a32f01f 594 if (vol >= 5)\r
595 PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
596 else {\r
597 mix_32_to_16l_level = 5 - vol;\r
598 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
599 }\r
600}\r
601\r
7a93adeb 602static void updateSound(int len)\r
cc68a136 603{\r
b08ccf71 604 len <<= 1;\r
b24e0f6c 605 if (PicoOpt & POPT_EN_STEREO)\r
606 len <<= 1;\r
cc68a136 607\r
b08ccf71 608 if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))\r
609 return;\r
610\r
01bc6b19 611 /* avoid writing audio when lagging behind to prevent audio lag */\r
612 if (PicoSkipFrame != 2)\r
b08ccf71 613 sndout_oss_write(PsndOut, len);\r
cc68a136 614}\r
615\r
f2cf8472 616void pemu_sound_start(void)\r
7b3f44c6 617{\r
618 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
7b3f44c6 619\r
620 PsndOut = NULL;\r
621\r
622 // prepare sound stuff\r
7c34867a 623 if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
7b3f44c6 624 {\r
7c34867a 625 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
626 int target_fps = Pico.m.pal ? 50 : 60;\r
b08ccf71 627 int frame_samples, snd_excess_add;\r
02da059d 628 int snd_rate_oss = PsndRate;\r
7c34867a 629 gp2x_soc_t soc;\r
630\r
b08ccf71 631 soc = soc_detect();\r
02da059d 632 if (soc == SOCID_POLLUX) {\r
633 /* POLLUX pain: DPLL1 / mclk_div / bitclk_div / 4 */\r
634 switch (PsndRate) {\r
635 case 44100: PsndRate = 44171; break; // 44170.673077\r
636 case 22050: PsndRate = 22086; break; // 22085.336538\r
637 case 11025: PsndRate = 11043; break; // 11042.668269\r
638 default: break;\r
639 }\r
640 }\r
b08ccf71 641\r
7c34867a 642 #define SOUND_RERATE_FLAGS (POPT_EN_FM|POPT_EN_PSG|POPT_EN_STEREO|POPT_EXT_FM|POPT_EN_MCD_CDDA)\r
643 if (PsndRate != PsndRate_old || Pico.m.pal != pal_old || ((PicoOpt & POPT_EXT_FM) && crashed_940) ||\r
644 ((PicoOpt ^ PicoOpt_old) & SOUND_RERATE_FLAGS)) {\r
7b3f44c6 645 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
646 }\r
b08ccf71 647\r
7b3f44c6 648 memset(sndBuffer, 0, sizeof(sndBuffer));\r
649 PsndOut = sndBuffer;\r
b08ccf71 650 PicoWriteSound = updateSound;\r
7b3f44c6 651 PsndRate_old = PsndRate;\r
652 PicoOpt_old = PicoOpt;\r
653 pal_old = Pico.m.pal;\r
b08ccf71 654 plat_update_volume(0, 0);\r
655\r
656 frame_samples = PsndLen;\r
657 snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;\r
658 if (snd_excess_add != 0)\r
659 frame_samples++;\r
660 if (soc == SOCID_POLLUX)\r
661 frame_samples *= 2; /* force larger buffer */\r
662\r
663 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
664 PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);\r
665 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
02da059d 666 sndout_oss_start(snd_rate_oss, frame_samples, is_stereo);\r
7c34867a 667\r
668 /* Wiz's sound hardware needs more prebuffer */\r
7c34867a 669 if (soc == SOCID_POLLUX)\r
b08ccf71 670 updateSound(frame_samples);\r
7b3f44c6 671 }\r
672}\r
673\r
f2cf8472 674void pemu_sound_stop(void)\r
7b3f44c6 675{\r
02da059d 676 /* get back from Wiz pain */\r
677 switch (PsndRate) {\r
678 case 44171: PsndRate = 44100; break;\r
679 case 22086: PsndRate = 22050; break;\r
680 case 11043: PsndRate = 11025; break;\r
681 default: break;\r
682 }\r
7b3f44c6 683}\r
684\r
f2cf8472 685void pemu_sound_wait(void)\r
7b3f44c6 686{\r
687 // don't need to do anything, writes will block by themselves\r
688}\r
689\r
cc68a136 690\r
f2cf8472 691void pemu_forced_frame(int opts)\r
860c6322 692{\r
693 int po_old = PicoOpt;\r
a12e0116 694 int eo_old = currentConfig.EmuOpt;\r
695\r
f2cf8472 696 PicoOpt &= ~POPT_ALT_RENDERER;\r
697 PicoOpt |= opts|POPT_ACC_SPRITES;\r
698 currentConfig.EmuOpt |= EOPT_16BPP;\r
860c6322 699\r
a12e0116 700 PicoDrawSetColorFormat(1);\r
602133e1 701 PicoScanBegin = EmuScanBegin16;\r
cc41eb4f 702 PicoScanEnd = NULL;\r
a12e0116 703 Pico.m.dirtyPal = 1;\r
704 PicoFrameDrawOnly();\r
860c6322 705\r
48e8482f 706 PicoOpt = po_old;\r
a12e0116 707 currentConfig.EmuOpt = eo_old;\r
860c6322 708}\r
709\r
f2cf8472 710void plat_debug_cat(char *str)\r
fcf94fcc 711{\r
fcf94fcc 712}\r
713\r
19954be1 714void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
cc68a136 715{\r
b24e0f6c 716 int scalex = 320;\r
717 osd_fps_x = OSD_FPS_X;\r
19954be1 718 osd_y = 232;\r
719 if (is_32cols && (PicoOpt & POPT_DIS_32C_BORDER)) {\r
b24e0f6c 720 scalex = 256;\r
721 osd_fps_x = OSD_FPS_X - 64;\r
cc68a136 722 }\r
19954be1 723\r
b24e0f6c 724 /* want vertical scaling and game is not in 240 line mode */\r
19954be1 725 if (currentConfig.scaling == EOPT_SCALE_HW_HV) {\r
726 gp2x_video_RGB_setscaling(start_line, scalex, line_count);\r
727 osd_y = start_line + line_count - 8;\r
728 } else\r
b24e0f6c 729 gp2x_video_RGB_setscaling(0, scalex, 240);\r
730\r
731 // clear whole screen in all buffers\r
732 if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r
733 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
734 else\r
735 gp2x_memset_all_buffers(0, 0, 320*240*2);\r
cc68a136 736}\r
737\r
da310283 738#if 0\r
739static void tga_dump(void)\r
740{\r
741#define BYTE unsigned char\r
742#define WORD unsigned short\r
743 struct\r
744 {\r
745 BYTE IDLength; /* 00h Size of Image ID field */\r
746 BYTE ColorMapType; /* 01h Color map type */\r
747 BYTE ImageType; /* 02h Image type code */\r
748 WORD CMapStart; /* 03h Color map origin */\r
749 WORD CMapLength; /* 05h Color map length */\r
750 BYTE CMapDepth; /* 07h Depth of color map entries */\r
751 WORD XOffset; /* 08h X origin of image */\r
752 WORD YOffset; /* 0Ah Y origin of image */\r
753 WORD Width; /* 0Ch Width of image */\r
754 WORD Height; /* 0Eh Height of image */\r
755 BYTE PixelDepth; /* 10h Image pixel size */\r
756 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
757 } __attribute__((packed)) TGAHEAD;\r
758 static unsigned short oldscr[320*240];\r
759 FILE *f; char name[128]; int i;\r
760\r
761 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
762 TGAHEAD.ImageType = 2;\r
763 TGAHEAD.Width = 320;\r
764 TGAHEAD.Height = 240;\r
765 TGAHEAD.PixelDepth = 16;\r
766 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
767\r
768#define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
769\r
770 for (i = 0; i < 320*240; i++)\r
e2de9939 771 if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r
da310283 772 if (i < 320*240)\r
773 {\r
774 for (i = 0; i < 320*240; i++)\r
e2de9939 775 oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r
da310283 776 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
777 f = fopen(name, "wb");\r
778 if (!f) { printf("!f\n"); exit(1); }\r
779 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
780 fwrite(oldscr, 1, 320*240*2, f);\r
781 fclose(f);\r
782 }\r
783}\r
784#endif\r
785\r
b24e0f6c 786void pemu_loop_prep(void)\r
cc68a136 787{\r
cc41eb4f 788 static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0;\r
789 static int gp2x_old_gamma = 100;\r
7b436906 790 gp2x_soc_t soc;\r
791\r
792 soc = soc_detect();\r
cc68a136 793\r
0d9bf4fc 794 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r
795 if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r
ee2a3bdf 796 set_ram_timings();\r
0d9bf4fc 797 else\r
798 unset_ram_timings();\r
799 }\r
800\r
801 if (gp2x_old_clock < 0)\r
802 gp2x_old_clock = default_cpu_clock;\r
cc68a136 803 if (gp2x_old_clock != currentConfig.CPUclock) {\r
804 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
0d9bf4fc 805 gp2x_set_cpuclk(currentConfig.CPUclock);\r
cc68a136 806 gp2x_old_clock = currentConfig.CPUclock;\r
807 printf(" done\n");\r
808 }\r
809\r
7b436906 810 if (gp2x_old_gamma != currentConfig.gamma || ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_A_SN_GAMMA)) {\r
811 set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt & EOPT_A_SN_GAMMA));\r
cc68a136 812 gp2x_old_gamma = currentConfig.gamma;\r
82bc9cdd 813 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
cc68a136 814 }\r
815\r
7b436906 816 if (((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_VSYNC) || Pico.m.pal != pal_old) {\r
817 if ((currentConfig.EmuOpt & EOPT_VSYNC) || soc == SOCID_POLLUX)\r
0d9bf4fc 818 set_lcd_custom_rate(Pico.m.pal);\r
7b436906 819 else if (EmuOpt_old & EOPT_VSYNC)\r
0d9bf4fc 820 unset_lcd_custom_rate();\r
aae35e84 821 }\r
822\r
0d9bf4fc 823 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)\r
824 gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);\r
825\r
aae35e84 826 EmuOpt_old = currentConfig.EmuOpt;\r
cc41eb4f 827 pal_old = Pico.m.pal;\r
cc68a136 828\r
829 // make sure we are in correct mode\r
830 vidResetMode();\r
ea8c405f 831 scaling_update();\r
cc68a136 832\r
f2cf8472 833 pemu_sound_start();\r
b24e0f6c 834}\r
cc68a136 835\r
b24e0f6c 836void pemu_loop_end(void)\r
837{\r
730259b7 838 int po_old = PicoOpt;\r
839 int eo_old = currentConfig.EmuOpt;\r
840\r
02da059d 841 pemu_sound_stop();\r
19954be1 842 memset32(g_screen_ptr, 0, 320*240*2/4);\r
02da059d 843\r
730259b7 844 /* do one more frame for menu bg */\r
845 PicoOpt &= ~POPT_ALT_RENDERER;\r
846 PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;\r
847 currentConfig.EmuOpt |= EOPT_16BPP;\r
848\r
849 PicoScanBegin = EmuScanBegin16;\r
850 PicoScanEnd = NULL;\r
851 PicoDrawSetColorFormat(1);\r
852 Pico.m.dirtyPal = 1;\r
853 PicoFrame();\r
854\r
855 PicoOpt = po_old;\r
856 currentConfig.EmuOpt = eo_old;\r
cc68a136 857}\r
858\r
713c9224 859const char *plat_get_credits(void)\r
860{\r
861 return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r
862 "Credits:\n"\r
863 "fDave: Cyclone 68000 core,\n"\r
864 " base code of PicoDrive\n"\r
865 "Reesy & FluBBa: DrZ80 core\n"\r
866 "MAME devs: YM2612 and SN76496 cores\n"\r
867 "rlyeh and others: minimal SDK\n"\r
42171343 868 "Squidge: mmuhack\n"\r
713c9224 869 "Dzz: ARM940 sample\n"\r
870 "GnoStiC / Puck2099: USB joy code\n"\r
871 "craigix: GP2X hardware\n"\r
872 "ketchupgun: skin design\n"\r
873 "\n"\r
874 "special thanks (for docs, ideas):\n"\r
875 " Charles MacDonald, Haze,\n"\r
876 " Stephane Dallongeville,\n"\r
877 " Lordus, Exophase, Rokas,\n"\r
878 " Nemesis, Tasco Deluxe";\r
879}\r
fast MegaDrive/MegaCD/32X emulator