2951214e |
1 | #include <sys/stat.h> |
2 | #include <sys/types.h> |
3 | #include <sys/syslimits.h> // PATH_MAX |
4 | |
703e4c7b |
5 | #include <pspthreadman.h> |
2b90fc61 |
6 | #include <pspdisplay.h> |
db298784 |
7 | #include <psputils.h> |
8 | #include <pspgu.h> |
703e4c7b |
9 | |
10 | #include "psp.h" |
11 | #include "menu.h" |
12 | #include "emu.h" |
13 | #include "../common/emu.h" |
14 | #include "../common/lprintf.h" |
2951214e |
15 | #include "../../Pico/PicoInt.h" |
16 | |
703e4c7b |
17 | #ifdef BENCHMARK |
18 | #define OSD_FPS_X 220 |
19 | #else |
20 | #define OSD_FPS_X 260 |
21 | #endif |
22 | |
2951214e |
23 | char romFileName[PATH_MAX]; |
db298784 |
24 | unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword.. |
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25 | int engineState; |
26 | |
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27 | static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos |
28 | static unsigned int noticeMsgTime = 0; |
29 | int reset_timing = 0; // do we need this? |
30 | |
31 | |
32 | static void blit(const char *fps, const char *notice); |
33 | static void clearArea(int full); |
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34 | |
35 | void emu_noticeMsgUpdated(void) |
36 | { |
703e4c7b |
37 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
2951214e |
38 | } |
39 | |
40 | void emu_getMainDir(char *dst, int len) |
41 | { |
703e4c7b |
42 | if (len > 0) *dst = 0; |
2951214e |
43 | } |
44 | |
703e4c7b |
45 | static void emu_msg_cb(const char *msg) |
2951214e |
46 | { |
703e4c7b |
47 | void *fb = psp_video_get_active_fb(); |
48 | |
49 | memset32((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); |
50 | emu_textOut16(4, 264, msg); |
51 | noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000; |
52 | |
53 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */ |
54 | reset_timing = 1; |
2951214e |
55 | } |
56 | |
703e4c7b |
57 | void emu_stateCb(const char *str) |
2951214e |
58 | { |
703e4c7b |
59 | clearArea(0); |
60 | blit("", str); |
2951214e |
61 | } |
62 | |
703e4c7b |
63 | static void emu_msg_tray_open(void) |
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64 | { |
703e4c7b |
65 | strcpy(noticeMsg, "CD tray opened"); |
66 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
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67 | } |
68 | |
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69 | |
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70 | void emu_Init(void) |
71 | { |
72 | // make dirs for saves, cfgs, etc. |
73 | mkdir("mds", 0777); |
74 | mkdir("srm", 0777); |
75 | mkdir("brm", 0777); |
76 | mkdir("cfg", 0777); |
77 | |
78 | PicoInit(); |
703e4c7b |
79 | PicoMessage = emu_msg_cb; |
80 | PicoMCDopenTray = emu_msg_tray_open; |
81 | PicoMCDcloseTray = menu_loop_tray; |
2951214e |
82 | } |
83 | |
84 | void emu_Deinit(void) |
85 | { |
86 | // save SRAM |
703e4c7b |
87 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
2951214e |
88 | emu_SaveLoadGame(0, 1); |
89 | SRam.changed = 0; |
90 | } |
91 | |
92 | if (!(currentConfig.EmuOpt & 0x20)) { |
93 | FILE *f = fopen(PicoConfigFile, "r+b"); |
94 | if (!f) emu_WriteConfig(0); |
95 | else { |
96 | // if we already have config, reload it, except last ROM |
97 | fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET); |
98 | fread(¤tConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f); |
99 | fseek(f, 0, SEEK_SET); |
100 | fwrite(¤tConfig, 1, sizeof(currentConfig), f); |
101 | fflush(f); |
102 | fclose(f); |
103 | } |
104 | } |
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105 | |
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106 | PicoExit(); |
107 | } |
108 | |
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109 | void emu_setDefaultConfig(void) |
110 | { |
111 | memset(¤tConfig, 0, sizeof(currentConfig)); |
112 | currentConfig.lastRomFile[0] = 0; |
113 | currentConfig.EmuOpt = 0x1f | 0x680; // | confirm_save, cd_leds, 16bit rend |
114 | currentConfig.PicoOpt = 0x07 | 0xc00; // | cd_pcm, cd_cdda |
115 | currentConfig.PsndRate = 22050; |
116 | currentConfig.PicoRegion = 0; // auto |
117 | currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP |
118 | currentConfig.Frameskip = -1; // auto |
119 | currentConfig.volume = 50; |
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120 | currentConfig.CPUclock = 222; |
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121 | currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU |
122 | currentConfig.KeyBinds[ 6] = 1<<1; |
123 | currentConfig.KeyBinds[ 7] = 1<<2; |
124 | currentConfig.KeyBinds[ 5] = 1<<3; |
125 | currentConfig.KeyBinds[14] = 1<<4; |
126 | currentConfig.KeyBinds[13] = 1<<5; |
127 | currentConfig.KeyBinds[15] = 1<<6; |
128 | currentConfig.KeyBinds[ 3] = 1<<7; |
129 | currentConfig.KeyBinds[23] = 1<<26; // switch rend |
130 | currentConfig.KeyBinds[ 8] = 1<<27; // save state |
131 | currentConfig.KeyBinds[ 9] = 1<<28; // load state |
132 | currentConfig.PicoCDBuffers = 0; |
133 | currentConfig.scaling = 0; |
134 | } |
135 | |
136 | |
db298784 |
137 | static unsigned short __attribute__((aligned(16))) localPal[0x100]; |
138 | |
139 | struct Vertex |
140 | { |
141 | short u,v; |
142 | short x,y,z; |
143 | }; |
144 | |
145 | static void EmuScanPrepare(void) |
146 | { |
147 | HighCol = VRAM_STUFF; |
148 | |
149 | #if 0 |
150 | sceGuSync(0,0); // sync with prev |
151 | sceGuStart(GU_DIRECT, guCmdList); |
152 | // sceGuDispBuffer(480, 272, psp_screen == VRAM_FB0 ? VRAMOFFS_FB1 : VRAMOFFS_FB0, 512); |
153 | sceGuDrawBuffer(GU_PSM_5650, psp_screen == VRAM_FB0 ? VRAMOFFS_FB0 : VRAMOFFS_FB1, 512); // point to back fb? |
154 | sceGuFinish(); |
155 | #endif |
156 | } |
157 | |
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158 | static int EmuScan16(unsigned int num, void *sdata) |
159 | { |
db298784 |
160 | // struct Vertex* vertices; |
161 | |
703e4c7b |
162 | if (!(Pico.video.reg[1]&8)) num += 8; |
db298784 |
163 | //DrawLineDest = (unsigned short *) psp_screen + 512*(num+1); |
164 | HighCol = (unsigned char *)psp_screen + num*512; |
165 | |
166 | #if 0 |
167 | sceGuSync(0,0); // sync with prev |
168 | sceGuStart(GU_DIRECT, guCmdList); |
169 | |
170 | if (Pico.m.dirtyPal) { |
171 | int i, *dpal = (void *)localPal, *spal = (int *)Pico.cram; |
172 | Pico.m.dirtyPal = 0; |
173 | for (i = 0x3f/2; i >= 0; i--) |
174 | dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4); |
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175 | |
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176 | sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) |
177 | } |
178 | |
179 | // setup CLUT texture |
180 | |
181 | // sceGuClutMode(GU_PSM_5650,0,0xff,0); |
182 | // sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) |
183 | // sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image |
184 | // sceGuTexImage(0,512,1/*512*/,512,VRAM_STUFF); |
185 | // sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB); |
186 | // sceGuTexFilter(GU_LINEAR,GU_LINEAR); |
187 | // sceGuTexScale(1.0f,1.0f); |
188 | // sceGuTexOffset(0.0f,0.0f); |
189 | // sceGuAmbientColor(0xffffffff); |
190 | |
191 | // render sprite |
192 | |
193 | // sceGuColor(0xffffffff); |
194 | vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex)); |
195 | vertices[0].u = 0; vertices[0].v = 0; |
196 | vertices[0].x = 0; vertices[0].y = num; vertices[0].z = 0; |
197 | vertices[1].u = 320; vertices[1].v = 512; |
198 | vertices[1].x = 320; vertices[1].y = num+1; vertices[1].z = 0; |
199 | //sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices); |
200 | |
201 | sceGuFinish(); |
202 | #endif |
703e4c7b |
203 | return 0; |
204 | } |
205 | |
db298784 |
206 | |
207 | static void draw2_clut(void) |
208 | { |
209 | struct Vertex* vertices; |
210 | int x; |
211 | |
212 | sceKernelDcacheWritebackAll(); // for PicoDraw2FB |
213 | |
214 | sceGuSync(0,0); // sync with prev |
215 | sceGuStart(GU_DIRECT, guCmdList); |
216 | // sceGuDispBuffer(480, 272, psp_screen == VRAM_FB0 ? VRAMOFFS_FB1 : VRAMOFFS_FB0, 512); |
217 | sceGuDrawBuffer(GU_PSM_5650, psp_screen == VRAM_FB0 ? VRAMOFFS_FB0 : VRAMOFFS_FB1, 512); // point to back fb? |
218 | |
219 | if (Pico.m.dirtyPal) { |
220 | int i, *dpal = (void *)localPal, *spal = (int *)Pico.cram; |
221 | Pico.m.dirtyPal = 0; |
222 | for (i = 0x3f/2; i >= 0; i--) |
223 | dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4); |
224 | |
225 | sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) |
226 | } |
227 | |
228 | #define SLICE_WIDTH 32 |
229 | |
230 | for (x = 0; x < 320; x += SLICE_WIDTH) |
231 | { |
232 | // render sprite |
233 | vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex)); |
234 | vertices[0].u = vertices[0].x = x; |
235 | vertices[0].v = vertices[0].y = 0; |
236 | vertices[0].z = 0; |
237 | vertices[1].u = vertices[1].x = x + SLICE_WIDTH; |
238 | vertices[1].v = vertices[1].y = 224; |
239 | vertices[1].z = 0; |
240 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices); |
241 | } |
242 | |
243 | sceGuFinish(); |
244 | } |
245 | |
246 | |
247 | |
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248 | static int EmuScan8(unsigned int num, void *sdata) |
249 | { |
250 | // draw like the fast renderer |
251 | // TODO? |
252 | //if (!(Pico.video.reg[1]&8)) num += 8; |
253 | //HighCol = gfx_buffer + 328*(num+1); |
254 | |
255 | return 0; |
256 | } |
257 | |
258 | static void osd_text(int x, const char *text) |
259 | { |
260 | int len = strlen(text) * 8 / 2; |
261 | int *p, h; |
262 | for (h = 0; h < 8; h++) { |
263 | p = (int *) ((unsigned short *) psp_screen+x+512*(264+h)); |
264 | p = (int *) ((int)p & ~3); // align |
265 | memset32(p, 0, len); |
266 | } |
267 | emu_textOut16(x, 264, text); |
268 | } |
269 | |
270 | |
271 | static void cd_leds(void) |
272 | { |
273 | static int old_reg = 0; |
274 | unsigned int col_g, col_r, *p; |
275 | |
276 | if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change |
277 | old_reg = Pico_mcd->s68k_regs[0]; |
278 | |
279 | p = (unsigned int *)((short *)psp_screen + 512*2+4+2); |
280 | col_g = (old_reg & 2) ? 0x06000600 : 0; |
281 | col_r = (old_reg & 1) ? 0xc000c000 : 0; |
282 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
283 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
284 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; |
285 | } |
286 | |
287 | |
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288 | static void blit(const char *fps, const char *notice) |
289 | { |
290 | int emu_opt = currentConfig.EmuOpt; |
291 | |
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292 | if (PicoOpt&0x10) |
293 | { |
db298784 |
294 | #if 1 |
295 | draw2_clut(); |
296 | #else |
297 | extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count); |
298 | int i; // , lines_flags = 224; |
299 | unsigned short *pd = psp_screen; |
300 | unsigned char *ps = PicoDraw2FB+328*8+8; |
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301 | // 8bit fast renderer |
302 | if (Pico.m.dirtyPal) { |
db298784 |
303 | int *dpal = (void *)localPal; |
304 | int *spal = (int *)Pico.cram; |
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305 | Pico.m.dirtyPal = 0; |
db298784 |
306 | for (i = 0x3f/2; i >= 0; i--) |
307 | dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4); |
703e4c7b |
308 | } |
db298784 |
309 | // if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000; |
310 | // if (currentConfig.EmuOpt&0x4000) |
311 | // lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000; |
312 | //vidCpy8to16((unsigned short *)giz_screen+321*8, PicoDraw2FB+328*8, localPal, lines_flags); |
313 | for (i = 224; i > 0; i--, pd+=512, ps+=328) |
314 | amips_clut(pd, ps, localPal, 320); |
315 | #endif |
703e4c7b |
316 | } |
db298784 |
317 | #if 0 |
703e4c7b |
318 | else if (!(emu_opt&0x80)) |
319 | { |
320 | int lines_flags; |
321 | // 8bit accurate renderer |
322 | if (Pico.m.dirtyPal) { |
323 | Pico.m.dirtyPal = 0; |
324 | vidConvCpyRGB565(localPal, Pico.cram, 0x40); |
325 | if (Pico.video.reg[0xC]&8) { // shadow/hilight mode |
326 | //vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40); |
327 | //vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40); // TODO? |
328 | blockcpy(localPal+0xc0, localPal+0x40, 0x40*2); |
329 | localPal[0xc0] = 0x0600; |
330 | localPal[0xd0] = 0xc000; |
331 | localPal[0xe0] = 0x0000; // reserved pixels for OSD |
332 | localPal[0xf0] = 0xffff; |
333 | } |
334 | /* no support |
335 | else if (rendstatus & 0x20) { // mid-frame palette changes |
336 | vidConvCpyRGB565(localPal+0x40, HighPal, 0x40); |
337 | vidConvCpyRGB565(localPal+0x80, HighPal+0x40, 0x40); |
338 | } */ |
339 | } |
340 | lines_flags = (Pico.video.reg[1]&8) ? 240 : 224; |
341 | if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000; |
342 | if (currentConfig.EmuOpt&0x4000) |
343 | lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000; |
344 | vidCpy8to16((unsigned short *)giz_screen+321*8, PicoDraw2FB+328*8, localPal, lines_flags); |
345 | } |
346 | #endif |
347 | |
348 | if (notice || (emu_opt & 2)) { |
349 | if (notice) osd_text(4, notice); |
350 | if (emu_opt & 2) osd_text(OSD_FPS_X, fps); |
351 | } |
352 | |
353 | if ((emu_opt & 0x400) && (PicoMCD & 1)) |
354 | cd_leds(); |
355 | |
db298784 |
356 | sceGuSync(0,0); |
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357 | psp_video_flip(0); |
358 | } |
359 | |
360 | // clears whole screen or just the notice area (in all buffers) |
361 | static void clearArea(int full) |
362 | { |
363 | if (full) { |
364 | memset32(psp_screen, 0, 512*272*2/4); |
365 | psp_video_flip(0); |
366 | memset32(psp_screen, 0, 512*272*2/4); |
367 | } else { |
368 | void *fb = psp_video_get_active_fb(); |
369 | memset32((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4); |
370 | memset32((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); |
371 | } |
372 | } |
373 | |
374 | static void vidResetMode(void) |
375 | { |
db298784 |
376 | // setup GU |
377 | sceGuSync(0,0); // sync with prev |
378 | sceGuStart(GU_DIRECT, guCmdList); |
379 | |
380 | sceGuClutMode(GU_PSM_5650,0,0xff,0); |
381 | //sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) |
382 | sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image |
383 | sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB); |
384 | sceGuTexFilter(GU_LINEAR,GU_LINEAR); |
385 | sceGuTexScale(1.0f,1.0f); |
386 | sceGuTexOffset(0.0f,0.0f); |
387 | sceGuAmbientColor(0xffffffff); |
388 | sceGuColor(0xffffffff); |
389 | |
390 | |
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391 | if (PicoOpt&0x10) { |
db298784 |
392 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 8*512+16); |
393 | |
703e4c7b |
394 | } else if (currentConfig.EmuOpt&0x80) { |
db298784 |
395 | PicoDrawSetColorFormat(/*1*/-1); |
703e4c7b |
396 | PicoScan = EmuScan16; |
db298784 |
397 | |
398 | sceGuTexImage(0,512,1/*512*/,512,VRAM_STUFF); |
399 | |
703e4c7b |
400 | } else { |
401 | PicoDrawSetColorFormat(-1); |
402 | PicoScan = EmuScan8; |
403 | } |
404 | if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) { |
405 | // setup pal for 8-bit modes |
406 | localPal[0xc0] = 0x0600; |
407 | localPal[0xd0] = 0xc000; |
408 | localPal[0xe0] = 0x0000; // reserved pixels for OSD |
409 | localPal[0xf0] = 0xffff; |
410 | } |
411 | Pico.m.dirtyPal = 1; |
412 | |
db298784 |
413 | sceGuFinish(); |
414 | sceGuSync(0,0); |
415 | |
703e4c7b |
416 | clearArea(1); |
417 | } |
db298784 |
418 | /* |
703e4c7b |
419 | static void updateSound(int len) |
420 | { |
421 | if (PicoOpt&8) len<<=1; |
422 | |
423 | // TODO.. |
424 | } |
db298784 |
425 | */ |
703e4c7b |
426 | |
427 | static void SkipFrame(void) |
428 | { |
429 | PicoSkipFrame=1; |
430 | PicoFrame(); |
431 | PicoSkipFrame=0; |
432 | } |
433 | |
434 | void emu_forcedFrame(void) |
435 | { |
436 | int po_old = PicoOpt; |
437 | int eo_old = currentConfig.EmuOpt; |
438 | |
439 | PicoOpt &= ~0x0010; |
440 | PicoOpt |= 0x4080; // soft_scale | acc_sprites |
441 | currentConfig.EmuOpt |= 0x80; |
442 | |
443 | PicoDrawSetColorFormat(1); |
444 | PicoScan = EmuScan16; |
db298784 |
445 | EmuScanPrepare(); |
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446 | Pico.m.dirtyPal = 1; |
447 | PicoFrameDrawOnly(); |
448 | |
449 | PicoOpt = po_old; |
450 | currentConfig.EmuOpt = eo_old; |
451 | } |
452 | |
453 | |
454 | static void RunEvents(unsigned int which) |
455 | { |
456 | if (which & 0x1800) // save or load (but not both) |
457 | { |
458 | int do_it = 1; |
459 | |
460 | if ( emu_checkSaveFile(state_slot) && |
461 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load |
462 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save |
463 | { |
464 | int keys; |
465 | blit("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)"); |
466 | while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) |
467 | psp_msleep(50); |
468 | if (keys & BTN_CIRCLE) do_it = 0; |
469 | while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release |
470 | psp_msleep(50); |
471 | clearArea(0); |
472 | } |
473 | |
474 | if (do_it) |
475 | { |
476 | osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME"); |
477 | PicoStateProgressCB = emu_stateCb; |
478 | emu_SaveLoadGame((which & 0x1000) >> 12, 0); |
479 | PicoStateProgressCB = NULL; |
480 | psp_msleep(0); |
481 | } |
482 | |
483 | reset_timing = 1; |
484 | } |
485 | if (which & 0x0400) // switch renderer |
486 | { |
487 | if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; } |
488 | else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; } |
489 | |
490 | vidResetMode(); |
491 | |
492 | if (PicoOpt&0x10) { |
493 | strcpy(noticeMsg, " 8bit fast renderer"); |
494 | } else if (currentConfig.EmuOpt&0x80) { |
495 | strcpy(noticeMsg, "16bit accurate renderer"); |
496 | } else { |
497 | strcpy(noticeMsg, " 8bit accurate renderer"); |
498 | } |
499 | |
500 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
501 | } |
502 | if (which & 0x0300) |
503 | { |
504 | if(which&0x0200) { |
505 | state_slot -= 1; |
506 | if(state_slot < 0) state_slot = 9; |
507 | } else { |
508 | state_slot += 1; |
509 | if(state_slot > 9) state_slot = 0; |
510 | } |
511 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE"); |
512 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
513 | } |
514 | } |
515 | |
516 | static void updateKeys(void) |
517 | { |
518 | unsigned int keys, allActions[2] = { 0, 0 }, events; |
519 | static unsigned int prevEvents = 0; |
520 | int i; |
521 | |
522 | keys = psp_pad_read(0); |
2b90fc61 |
523 | if (keys & PSP_CTRL_HOME) |
524 | sceDisplayWaitVblankStart(); |
525 | |
703e4c7b |
526 | if (keys & BTN_SELECT) |
527 | engineState = PGS_Menu; |
528 | |
529 | keys &= CONFIGURABLE_KEYS; |
530 | |
531 | for (i = 0; i < 32; i++) |
532 | { |
533 | if (keys & (1 << i)) |
534 | { |
535 | int pl, acts = currentConfig.KeyBinds[i]; |
536 | if (!acts) continue; |
537 | pl = (acts >> 16) & 1; |
538 | if (combo_keys & (1 << i)) |
539 | { |
540 | int u = i+1, acts_c = acts & combo_acts; |
541 | // let's try to find the other one |
542 | if (acts_c) |
543 | for (; u < 32; u++) |
544 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) { |
545 | allActions[pl] |= acts_c; |
546 | keys &= ~((1 << i) | (1 << u)); |
547 | break; |
548 | } |
549 | // add non-combo actions if combo ones were not found |
550 | if (!acts_c || u == 32) |
551 | allActions[pl] |= acts & ~combo_acts; |
552 | } else { |
553 | allActions[pl] |= acts; |
554 | } |
555 | } |
556 | } |
557 | |
558 | PicoPad[0] = (unsigned short) allActions[0]; |
559 | PicoPad[1] = (unsigned short) allActions[1]; |
560 | |
561 | events = (allActions[0] | allActions[1]) >> 16; |
562 | |
563 | // volume is treated in special way and triggered every frame |
564 | if ((events & 0x6000) && PsndOut != NULL) |
565 | { |
566 | int vol = currentConfig.volume; |
567 | if (events & 0x2000) { |
568 | if (vol < 100) vol++; |
569 | } else { |
570 | if (vol > 0) vol--; |
571 | } |
572 | // FrameworkAudio_SetVolume(vol, vol); // TODO |
573 | sprintf(noticeMsg, "VOL: %02i ", vol); |
574 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
575 | currentConfig.volume = vol; |
576 | } |
577 | |
578 | events &= ~prevEvents; |
579 | if (events) RunEvents(events); |
580 | if (movie_data) emu_updateMovie(); |
581 | |
582 | prevEvents = (allActions[0] | allActions[1]) >> 16; |
583 | } |
584 | |
585 | static void find_combos(void) |
586 | { |
587 | int act, u; |
588 | |
589 | // find out which keys and actions are combos |
590 | combo_keys = combo_acts = 0; |
591 | for (act = 0; act < 32; act++) |
592 | { |
593 | int keyc = 0; |
594 | if (act == 16 || act == 17) continue; // player2 flag |
595 | for (u = 0; u < 32; u++) |
596 | { |
597 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++; |
598 | } |
599 | if (keyc > 1) |
600 | { |
601 | // loop again and mark those keys and actions as combo |
602 | for (u = 0; u < 32; u++) |
603 | { |
604 | if (currentConfig.KeyBinds[u] & (1 << act)) { |
605 | combo_keys |= 1 << u; |
606 | combo_acts |= 1 << act; |
607 | } |
608 | } |
609 | } |
610 | } |
611 | } |
612 | |
613 | |
614 | static void simpleWait(unsigned int until) |
615 | { |
616 | unsigned int tval; |
617 | int diff; |
618 | |
619 | tval = sceKernelGetSystemTimeLow(); |
620 | diff = (int)until - (int)tval; |
621 | if (diff >= 512 && diff < 100*1024) |
622 | sceKernelDelayThread(diff); |
623 | } |
624 | |
625 | void emu_Loop(void) |
626 | { |
627 | //static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; |
628 | char fpsbuff[24]; // fps count c string |
629 | unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing |
630 | int frames_done = 0, frames_shown = 0, oldmodes = 0; |
631 | int target_fps, target_frametime, lim_time, tval_diff, i; |
632 | char *notice = NULL; |
633 | |
634 | lprintf("entered emu_Loop()\n"); |
635 | |
636 | fpsbuff[0] = 0; |
637 | |
2b90fc61 |
638 | if (currentConfig.CPUclock != psp_get_cpu_clock()) { |
639 | lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock); |
640 | i = psp_set_cpu_clock(currentConfig.CPUclock); |
641 | lprintf(i ? "failed\n" : "done\n"); |
642 | currentConfig.CPUclock = psp_get_cpu_clock(); |
643 | } |
644 | |
703e4c7b |
645 | // make sure we are in correct mode |
646 | vidResetMode(); |
647 | Pico.m.dirtyPal = 1; |
648 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; |
649 | find_combos(); |
650 | |
651 | // pal/ntsc might have changed, reset related stuff |
652 | target_fps = Pico.m.pal ? 50 : 60; |
653 | target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1; |
654 | reset_timing = 1; |
655 | |
656 | // prepare CD buffer |
657 | if (PicoMCD & 1) PicoCDBufferInit(); |
658 | |
659 | // prepare sound stuff |
660 | PsndOut = NULL; |
661 | #if 0 // TODO |
662 | if (currentConfig.EmuOpt & 4) |
663 | { |
664 | int ret, snd_excess_add, stereo; |
665 | if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) { |
666 | sound_rerate(Pico.m.frame_count ? 1 : 0); |
667 | } |
668 | stereo=(PicoOpt&8)>>3; |
669 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps; |
670 | snd_cbuf_samples = (PsndRate<<stereo) * 16 / target_fps; |
671 | lprintf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", |
672 | PsndRate, PsndLen, snd_excess_add, stereo, Pico.m.pal); |
673 | ret = FrameworkAudio_Init(PsndRate, snd_cbuf_samples, stereo); |
674 | if (ret != 0) { |
675 | lprintf("FrameworkAudio_Init() failed: %i\n", ret); |
676 | sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret); |
677 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
678 | currentConfig.EmuOpt &= ~4; |
679 | } else { |
680 | FrameworkAudio_SetVolume(currentConfig.volume, currentConfig.volume); |
681 | PicoWriteSound = updateSound; |
682 | snd_cbuff = FrameworkAudio_56448Buffer(); |
683 | PsndOut = snd_cbuff + snd_cbuf_samples / 2; // start writing at the middle |
684 | snd_all_samples = 0; |
685 | PsndRate_old = PsndRate; |
686 | PicoOpt_old = PicoOpt; |
687 | pal_old = Pico.m.pal; |
688 | } |
689 | } |
690 | #endif |
691 | |
692 | // loop? |
693 | while (engineState == PGS_Running) |
694 | { |
695 | int modes; |
696 | |
697 | tval = sceKernelGetSystemTimeLow(); |
698 | if (reset_timing || tval < tval_prev) { |
699 | //stdbg("timing reset"); |
700 | reset_timing = 0; |
701 | tval_thissec = tval; |
702 | frames_shown = frames_done = 0; |
703 | } |
704 | |
705 | // show notice message? |
706 | if (noticeMsgTime) { |
707 | static int noticeMsgSum; |
708 | if (tval - noticeMsgTime > 2000000) { // > 2.0 sec |
709 | noticeMsgTime = 0; |
710 | clearArea(0); |
711 | notice = 0; |
712 | } else { |
713 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2]; |
714 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; } |
715 | notice = noticeMsg; |
716 | } |
717 | } |
718 | |
719 | // check for mode changes |
720 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8); |
721 | if (modes != oldmodes) { |
722 | oldmodes = modes; |
723 | clearArea(1); |
724 | } |
725 | |
726 | // second passed? |
727 | if (tval - tval_thissec >= 1000000) |
728 | { |
729 | #ifdef BENCHMARK |
730 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4]; |
731 | if(++bench == 10) { |
732 | bench = 0; |
733 | bench_fps_s = bench_fps; |
734 | bf[bfp++ & 3] = bench_fps; |
735 | bench_fps = 0; |
736 | } |
737 | bench_fps += frames_shown; |
738 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2); |
739 | #else |
740 | if(currentConfig.EmuOpt & 2) |
741 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done); |
742 | #endif |
743 | tval_thissec += 1000000; |
744 | |
745 | if (currentConfig.Frameskip < 0) { |
746 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0; |
747 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0; |
748 | if (frames_shown > frames_done) frames_shown = frames_done; |
749 | } else { |
750 | frames_done = frames_shown = 0; |
751 | } |
752 | } |
753 | #ifdef PFRAMES |
754 | sprintf(fpsbuff, "%i", Pico.m.frame_count); |
755 | #endif |
756 | |
757 | tval_prev = tval; |
758 | lim_time = (frames_done+1) * target_frametime; |
759 | if (currentConfig.Frameskip >= 0) // frameskip enabled |
760 | { |
761 | for (i = 0; i < currentConfig.Frameskip; i++) { |
762 | updateKeys(); |
763 | SkipFrame(); frames_done++; |
764 | if (PsndOut) { // do framelimitting if sound is enabled |
765 | int tval_diff; |
766 | tval = sceKernelGetSystemTimeLow(); |
767 | tval_diff = (int)(tval - tval_thissec) << 8; |
768 | if (tval_diff < lim_time) // we are too fast |
769 | simpleWait(tval + ((lim_time - tval_diff)>>8)); |
770 | } |
771 | lim_time += target_frametime; |
772 | } |
773 | } |
774 | else // auto frameskip |
775 | { |
776 | int tval_diff; |
777 | tval = sceKernelGetSystemTimeLow(); |
778 | tval_diff = (int)(tval - tval_thissec) << 8; |
779 | if (tval_diff > lim_time) |
780 | { |
781 | // no time left for this frame - skip |
782 | if (tval_diff - lim_time >= (300000<<8)) { |
783 | /* something caused a slowdown for us (disk access? cache flush?) |
784 | * try to recover by resetting timing... */ |
785 | reset_timing = 1; |
786 | continue; |
787 | } |
788 | updateKeys(); |
789 | SkipFrame(); frames_done++; |
790 | continue; |
791 | } |
792 | } |
793 | |
794 | updateKeys(); |
795 | |
796 | if (!(PicoOpt&0x10)) |
db298784 |
797 | EmuScanPrepare(); |
703e4c7b |
798 | |
799 | PicoFrame(); |
800 | |
801 | blit(fpsbuff, notice); |
802 | |
803 | // check time |
804 | tval = sceKernelGetSystemTimeLow(); |
805 | tval_diff = (int)(tval - tval_thissec) << 8; |
806 | |
807 | if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection |
808 | reset_timing = 1; |
809 | else if (PsndOut != NULL || currentConfig.Frameskip < 0) |
810 | { |
811 | // sleep if we are still too fast |
812 | if (tval_diff < lim_time) |
813 | { |
814 | // we are too fast |
815 | simpleWait(tval + ((lim_time - tval_diff) >> 8)); |
816 | } |
817 | } |
818 | |
819 | frames_done++; frames_shown++; |
820 | } |
821 | |
822 | |
823 | if (PicoMCD & 1) PicoCDBufferFree(); |
824 | /* |
825 | if (PsndOut != NULL) { |
826 | PsndOut = snd_cbuff = NULL; |
827 | FrameworkAudio_Close(); |
828 | } |
829 | */ |
830 | // save SRAM |
831 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
832 | emu_stateCb("Writing SRAM/BRAM.."); |
833 | emu_SaveLoadGame(0, 1); |
834 | SRam.changed = 0; |
835 | } |
836 | } |
837 | |
838 | |
2951214e |
839 | void emu_ResetGame(void) |
840 | { |
841 | PicoReset(0); |
703e4c7b |
842 | reset_timing = 1; |
2951214e |
843 | } |
844 | |