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1 | #include <sys/stat.h> |
2 | #include <sys/types.h> |
3 | #include <sys/syslimits.h> // PATH_MAX |
4 | |
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5 | #include <pspthreadman.h> |
70357ce5 |
6 | #include <pspdisplay.h> |
9112b6ce |
7 | #include <psputils.h> |
8 | #include <pspgu.h> |
a4221917 |
9 | #include <pspaudio.h> |
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10 | |
11 | #include "psp.h" |
12 | #include "menu.h" |
13 | #include "emu.h" |
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14 | #include "mp3.h" |
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15 | #include "../common/emu.h" |
16 | #include "../common/lprintf.h" |
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17 | #include "../../Pico/PicoInt.h" |
18 | |
3ec29f01 |
19 | #define OSD_FPS_X 424 |
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20 | |
a4221917 |
21 | // additional pspaudio imports, credits to crazyc |
22 | int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown); // play with conversion? |
23 | int sceAudio_5C37C0AE(void); // end play? |
24 | int sceAudio_E0727056(int volume, void *buffer); // blocking output |
25 | int sceAudioOutput2GetRestSample(); |
26 | |
27 | |
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28 | char romFileName[PATH_MAX]; |
9112b6ce |
29 | unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword.. |
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30 | int engineState; |
31 | |
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32 | static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos |
33 | static unsigned int noticeMsgTime = 0; |
34 | int reset_timing = 0; // do we need this? |
35 | |
36 | |
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37 | static void sound_init(void); |
38 | static void sound_deinit(void); |
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39 | static void blit2(const char *fps, const char *notice, int lagging_behind); |
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40 | static void clearArea(int full); |
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41 | |
42 | void emu_noticeMsgUpdated(void) |
43 | { |
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44 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
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45 | } |
46 | |
47 | void emu_getMainDir(char *dst, int len) |
48 | { |
7d4906bf |
49 | if (len > 0) *dst = 0; |
1820b5a7 |
50 | } |
51 | |
8022f53d |
52 | static void osd_text(int x, const char *text, int is_active, int clear_all) |
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53 | { |
8ab3e3c1 |
54 | unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen; |
8022f53d |
55 | int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2); |
8ab3e3c1 |
56 | int *p, h; |
57 | void *tmp; |
58 | for (h = 0; h < 8; h++) { |
59 | p = (int *) (screen+x+512*(264+h)); |
60 | p = (int *) ((int)p & ~3); // align |
b542be46 |
61 | memset32_uncached(p, 0, len); |
8ab3e3c1 |
62 | } |
63 | if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks |
64 | emu_textOut16(x, 264, text); |
65 | if (is_active) psp_screen = tmp; |
66 | } |
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67 | |
8ab3e3c1 |
68 | void emu_msg_cb(const char *msg) |
69 | { |
8022f53d |
70 | osd_text(4, msg, 1, 1); |
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71 | noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000; |
72 | |
73 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */ |
74 | reset_timing = 1; |
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75 | } |
76 | |
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77 | static void emu_msg_tray_open(void) |
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78 | { |
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79 | strcpy(noticeMsg, "CD tray opened"); |
80 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
1820b5a7 |
81 | } |
82 | |
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83 | |
1820b5a7 |
84 | void emu_Init(void) |
85 | { |
86 | // make dirs for saves, cfgs, etc. |
87 | mkdir("mds", 0777); |
88 | mkdir("srm", 0777); |
89 | mkdir("brm", 0777); |
90 | mkdir("cfg", 0777); |
91 | |
a4221917 |
92 | sound_init(); |
93 | |
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94 | PicoInit(); |
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95 | PicoMessage = emu_msg_cb; |
96 | PicoMCDopenTray = emu_msg_tray_open; |
97 | PicoMCDcloseTray = menu_loop_tray; |
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98 | } |
99 | |
100 | void emu_Deinit(void) |
101 | { |
102 | // save SRAM |
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103 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
1820b5a7 |
104 | emu_SaveLoadGame(0, 1); |
105 | SRam.changed = 0; |
106 | } |
107 | |
108 | if (!(currentConfig.EmuOpt & 0x20)) { |
109 | FILE *f = fopen(PicoConfigFile, "r+b"); |
110 | if (!f) emu_WriteConfig(0); |
111 | else { |
112 | // if we already have config, reload it, except last ROM |
113 | fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET); |
114 | fread(¤tConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f); |
115 | fseek(f, 0, SEEK_SET); |
116 | fwrite(¤tConfig, 1, sizeof(currentConfig), f); |
117 | fflush(f); |
118 | fclose(f); |
119 | } |
120 | } |
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121 | |
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122 | PicoExit(); |
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123 | sound_deinit(); |
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124 | } |
125 | |
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126 | void emu_setDefaultConfig(void) |
127 | { |
128 | memset(¤tConfig, 0, sizeof(currentConfig)); |
129 | currentConfig.lastRomFile[0] = 0; |
b542be46 |
130 | currentConfig.EmuOpt = 0x1d | 0x680; // | confirm_save, cd_leds, acc rend |
131 | currentConfig.PicoOpt = 0x0f | 0x1c00; // | gfx_cd, cd_pcm, cd_cdda |
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132 | currentConfig.PsndRate = 22050; |
133 | currentConfig.PicoRegion = 0; // auto |
134 | currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP |
135 | currentConfig.Frameskip = -1; // auto |
136 | currentConfig.volume = 50; |
3ec29f01 |
137 | currentConfig.CPUclock = 333; |
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138 | currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU |
139 | currentConfig.KeyBinds[ 6] = 1<<1; |
140 | currentConfig.KeyBinds[ 7] = 1<<2; |
141 | currentConfig.KeyBinds[ 5] = 1<<3; |
142 | currentConfig.KeyBinds[14] = 1<<4; |
143 | currentConfig.KeyBinds[13] = 1<<5; |
144 | currentConfig.KeyBinds[15] = 1<<6; |
145 | currentConfig.KeyBinds[ 3] = 1<<7; |
9d917eea |
146 | currentConfig.KeyBinds[12] = 1<<26; // switch rnd |
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147 | currentConfig.KeyBinds[ 8] = 1<<27; // save state |
148 | currentConfig.KeyBinds[ 9] = 1<<28; // load state |
9caf44b5 |
149 | currentConfig.KeyBinds[28] = 1<<0; // num "buttons" |
150 | currentConfig.KeyBinds[30] = 1<<1; |
151 | currentConfig.KeyBinds[31] = 1<<2; |
152 | currentConfig.KeyBinds[29] = 1<<3; |
8022f53d |
153 | currentConfig.PicoCDBuffers = 64; |
9caf44b5 |
154 | currentConfig.scaling = 1; // bilinear filtering for psp |
155 | currentConfig.scale = 1.20; // fullscreen |
156 | currentConfig.hscale40 = 1.25; |
157 | currentConfig.hscale32 = 1.56; |
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158 | } |
159 | |
160 | |
8ab3e3c1 |
161 | extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count); |
9112b6ce |
162 | |
163 | struct Vertex |
164 | { |
165 | short u,v; |
166 | short x,y,z; |
167 | }; |
168 | |
8ab3e3c1 |
169 | static struct Vertex __attribute__((aligned(4))) g_vertices[2]; |
170 | static unsigned short __attribute__((aligned(16))) localPal[0x100]; |
171 | static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0; |
172 | static int fbimg_offs = 0; |
173 | |
174 | static void set_scaling_params(void) |
9112b6ce |
175 | { |
b542be46 |
176 | int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0; |
8ab3e3c1 |
177 | g_vertices[0].x = g_vertices[0].y = |
178 | g_vertices[0].z = g_vertices[1].z = 0; |
179 | |
180 | fbimg_height = (int)(240.0 * currentConfig.scale + 0.5); |
181 | if (Pico.video.reg[12] & 1) { |
182 | fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5); |
183 | src_width = 320; |
184 | } else { |
185 | fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5); |
186 | src_width = 256; |
187 | } |
9112b6ce |
188 | |
b542be46 |
189 | if (fbimg_width & 1) fbimg_width++; // make even |
190 | if (fbimg_height & 1) fbimg_height++; |
191 | |
8ab3e3c1 |
192 | if (fbimg_width >= 480) { |
193 | g_vertices[0].u = (fbimg_width-480)/2; |
b542be46 |
194 | g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1; |
195 | if (fbimg_width == 480) border_hack = 1; |
8ab3e3c1 |
196 | fbimg_width = 480; |
197 | fbimg_xoffs = 0; |
198 | } else { |
199 | g_vertices[0].u = 0; |
200 | g_vertices[1].u = src_width; |
201 | fbimg_xoffs = 240 - fbimg_width/2; |
202 | } |
203 | |
204 | if (fbimg_height >= 272) { |
205 | g_vertices[0].v = (fbimg_height-272)/2; |
206 | g_vertices[1].v = 240 - (fbimg_height-272)/2; |
207 | fbimg_height = 272; |
208 | fbimg_yoffs = 0; |
209 | } else { |
210 | g_vertices[0].v = 0; |
211 | g_vertices[1].v = 240; |
212 | fbimg_yoffs = 136 - fbimg_height/2; |
213 | } |
214 | |
215 | g_vertices[1].x = fbimg_width; |
216 | g_vertices[1].y = fbimg_height; |
217 | if (fbimg_xoffs < 0) fbimg_xoffs = 0; |
218 | if (fbimg_yoffs < 0) fbimg_yoffs = 0; |
b542be46 |
219 | if (border_hack) { |
220 | g_vertices[0].u++; |
221 | g_vertices[0].x++; |
222 | g_vertices[1].u--; |
223 | g_vertices[1].x--; |
224 | } |
8ab3e3c1 |
225 | fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit |
226 | |
80db4442 |
227 | /* |
8ab3e3c1 |
228 | lprintf("set_scaling_params:\n"); |
229 | lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs); |
230 | lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y); |
231 | lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v); |
80db4442 |
232 | */ |
9112b6ce |
233 | } |
234 | |
80db4442 |
235 | static void do_pal_update(int allow_sh) |
7d4906bf |
236 | { |
8ab3e3c1 |
237 | unsigned int *spal=(void *)Pico.cram; |
238 | unsigned int *dpal=(void *)localPal; |
239 | int i; |
9112b6ce |
240 | |
8ab3e3c1 |
241 | for (i = 0x3f/2; i >= 0; i--) |
242 | dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4); |
9112b6ce |
243 | |
80db4442 |
244 | if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight? |
8ab3e3c1 |
245 | { |
246 | // shadowed pixels |
9112b6ce |
247 | for (i = 0x3f/2; i >= 0; i--) |
80db4442 |
248 | dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x738e738e; |
8ab3e3c1 |
249 | // hilighted pixels |
250 | for (i = 0x3f; i >= 0; i--) { |
251 | int t=localPal[i]&0xe71c;t+=0x4208; |
252 | if (t&0x20) t|=0x1c; |
253 | if (t&0x800) t|=0x700; |
254 | if (t&0x10000) t|=0xe000; |
255 | t&=0xe71c; |
256 | localPal[0x80|i]=(unsigned short)t; |
257 | } |
258 | localPal[0xe0] = 0; |
9112b6ce |
259 | } |
8ab3e3c1 |
260 | Pico.m.dirtyPal = 0; |
261 | need_pal_upload = 1; |
262 | } |
9112b6ce |
263 | |
8ab3e3c1 |
264 | static void do_slowmode_lines(int line_to) |
265 | { |
266 | int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256; |
267 | unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2; |
268 | unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16; |
269 | if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; } |
9112b6ce |
270 | |
8ab3e3c1 |
271 | for (; line < line_to; line++, dst+=512, src+=512) |
272 | amips_clut(dst, src, localPal, line_len); |
273 | } |
9112b6ce |
274 | |
8ab3e3c1 |
275 | static void EmuScanPrepare(void) |
276 | { |
277 | HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8; |
278 | if (!(Pico.video.reg[1]&8)) HighCol += 8*512; |
9112b6ce |
279 | |
8ab3e3c1 |
280 | dynamic_palette = 0; |
281 | if (Pico.m.dirtyPal) |
80db4442 |
282 | do_pal_update(1); |
8ab3e3c1 |
283 | } |
284 | |
285 | static int EmuScanSlow(unsigned int num, void *sdata) |
286 | { |
287 | if (!(Pico.video.reg[1]&8)) num += 8; |
288 | |
289 | if (Pico.m.dirtyPal) { |
290 | if (!dynamic_palette) { |
291 | do_slowmode_lines(num); |
292 | dynamic_palette = 1; |
293 | } |
80db4442 |
294 | do_pal_update(1); |
8ab3e3c1 |
295 | } |
296 | |
297 | if (dynamic_palette) { |
298 | int line_len = (Pico.video.reg[12]&1) ? 320 : 256; |
299 | void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num; |
300 | amips_clut(dst, HighCol + 8, localPal, line_len); |
301 | } else |
302 | HighCol = (unsigned char *)VRAM_CACHED_STUFF + (num+1)*512 + 8; |
9112b6ce |
303 | |
7d4906bf |
304 | return 0; |
305 | } |
306 | |
8ab3e3c1 |
307 | static void blitscreen_clut(void) |
9112b6ce |
308 | { |
8ab3e3c1 |
309 | int offs = fbimg_offs; |
310 | offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1; |
9112b6ce |
311 | |
9112b6ce |
312 | sceGuSync(0,0); // sync with prev |
313 | sceGuStart(GU_DIRECT, guCmdList); |
8ab3e3c1 |
314 | sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer |
9112b6ce |
315 | |
8ab3e3c1 |
316 | if (dynamic_palette) |
317 | { |
318 | if (!blit_16bit_mode) { |
319 | sceGuTexMode(GU_PSM_5650, 0, 0, 0); |
320 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240); |
9112b6ce |
321 | |
8ab3e3c1 |
322 | blit_16bit_mode = 1; |
323 | } |
9112b6ce |
324 | } |
8ab3e3c1 |
325 | else |
9112b6ce |
326 | { |
8ab3e3c1 |
327 | if (blit_16bit_mode) { |
328 | sceGuClutMode(GU_PSM_5650,0,0xff,0); |
329 | sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image |
330 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16); |
331 | blit_16bit_mode = 0; |
332 | } |
9112b6ce |
333 | |
8ab3e3c1 |
334 | if ((PicoOpt&0x10) && Pico.m.dirtyPal) |
80db4442 |
335 | do_pal_update(0); |
336 | |
337 | sceKernelDcacheWritebackAll(); |
9112b6ce |
338 | |
8ab3e3c1 |
339 | if (need_pal_upload) { |
340 | need_pal_upload = 0; |
341 | sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) |
342 | } |
343 | } |
7d4906bf |
344 | |
8ab3e3c1 |
345 | #if 1 |
346 | if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x) |
347 | { |
348 | struct Vertex* vertices; |
349 | int x; |
7d4906bf |
350 | |
8ab3e3c1 |
351 | #define SLICE_WIDTH 32 |
352 | for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH) |
353 | { |
354 | // render sprite |
355 | vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex)); |
356 | memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex)); |
357 | vertices[0].u = vertices[0].x = x; |
358 | vertices[1].u = vertices[1].x = x + SLICE_WIDTH; |
359 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices); |
360 | } |
361 | // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only |
7d4906bf |
362 | } |
8ab3e3c1 |
363 | else |
364 | #endif |
365 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices); |
366 | |
367 | sceGuFinish(); |
7d4906bf |
368 | } |
369 | |
370 | |
371 | static void cd_leds(void) |
372 | { |
9caf44b5 |
373 | unsigned int reg, col_g, col_r, *p; |
7d4906bf |
374 | |
9caf44b5 |
375 | reg = Pico_mcd->s68k_regs[0]; |
7d4906bf |
376 | |
377 | p = (unsigned int *)((short *)psp_screen + 512*2+4+2); |
9caf44b5 |
378 | col_g = (reg & 2) ? 0x06000600 : 0; |
379 | col_r = (reg & 1) ? 0x00180018 : 0; |
7d4906bf |
380 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
381 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
382 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; |
383 | } |
384 | |
b542be46 |
385 | #if 0 |
8ab3e3c1 |
386 | static void dbg_text(void) |
7d4906bf |
387 | { |
8ab3e3c1 |
388 | int *p, h, len; |
389 | char text[128]; |
7d4906bf |
390 | |
8ab3e3c1 |
391 | sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode); |
392 | len = strlen(text) * 8 / 2; |
393 | for (h = 0; h < 8; h++) { |
394 | p = (int *) ((unsigned short *) psp_screen+2+512*(256+h)); |
395 | p = (int *) ((int)p & ~3); // align |
b542be46 |
396 | memset32_uncached(p, 0, len); |
7d4906bf |
397 | } |
8ab3e3c1 |
398 | emu_textOut16(2, 256, text); |
399 | } |
b542be46 |
400 | #endif |
8ab3e3c1 |
401 | |
402 | /* called after rendering is done, but frame emulation is not finished */ |
403 | void blit1(void) |
404 | { |
405 | if (PicoOpt&0x10) |
7d4906bf |
406 | { |
8ab3e3c1 |
407 | int i; |
408 | unsigned char *pd; |
409 | // clear top and bottom trash |
410 | for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512) |
411 | memset32((int *)pd, 0xe0e0e0e0, 320/4); |
412 | for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512) |
413 | memset32((int *)pd, 0xe0e0e0e0, 320/4); |
7d4906bf |
414 | } |
8ab3e3c1 |
415 | |
416 | blitscreen_clut(); |
417 | } |
418 | |
419 | |
3ec29f01 |
420 | static void blit2(const char *fps, const char *notice, int lagging_behind) |
8ab3e3c1 |
421 | { |
3ec29f01 |
422 | int vsync = 0, emu_opt = currentConfig.EmuOpt; |
7d4906bf |
423 | |
424 | if (notice || (emu_opt & 2)) { |
8022f53d |
425 | if (notice) osd_text(4, notice, 0, 0); |
426 | if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0); |
7d4906bf |
427 | } |
428 | |
b542be46 |
429 | //dbg_text(); |
8ab3e3c1 |
430 | |
7d4906bf |
431 | if ((emu_opt & 0x400) && (PicoMCD & 1)) |
432 | cd_leds(); |
433 | |
3ec29f01 |
434 | if (currentConfig.EmuOpt & 0x2000) { // want vsync |
435 | if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1; |
436 | } |
437 | |
438 | psp_video_flip(vsync); |
7d4906bf |
439 | } |
440 | |
441 | // clears whole screen or just the notice area (in all buffers) |
442 | static void clearArea(int full) |
443 | { |
444 | if (full) { |
b542be46 |
445 | memset32_uncached(psp_screen, 0, 512*272*2/4); |
7d4906bf |
446 | psp_video_flip(0); |
b542be46 |
447 | memset32_uncached(psp_screen, 0, 512*272*2/4); |
8ab3e3c1 |
448 | memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4); |
449 | memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4); |
7d4906bf |
450 | } else { |
451 | void *fb = psp_video_get_active_fb(); |
b542be46 |
452 | memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4); |
453 | memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); |
7d4906bf |
454 | } |
455 | } |
456 | |
457 | static void vidResetMode(void) |
458 | { |
9112b6ce |
459 | // setup GU |
460 | sceGuSync(0,0); // sync with prev |
461 | sceGuStart(GU_DIRECT, guCmdList); |
462 | |
463 | sceGuClutMode(GU_PSM_5650,0,0xff,0); |
9112b6ce |
464 | sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image |
465 | sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB); |
8ab3e3c1 |
466 | if (currentConfig.scaling) |
467 | sceGuTexFilter(GU_LINEAR, GU_LINEAR); |
468 | else sceGuTexFilter(GU_NEAREST, GU_NEAREST); |
9112b6ce |
469 | sceGuTexScale(1.0f,1.0f); |
470 | sceGuTexOffset(0.0f,0.0f); |
9112b6ce |
471 | |
8ab3e3c1 |
472 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16); |
9112b6ce |
473 | |
8ab3e3c1 |
474 | // slow rend. |
475 | PicoDrawSetColorFormat(-1); |
476 | PicoScan = EmuScanSlow; |
9112b6ce |
477 | |
8ab3e3c1 |
478 | localPal[0xe0] = 0; |
7d4906bf |
479 | Pico.m.dirtyPal = 1; |
8ab3e3c1 |
480 | blit_16bit_mode = dynamic_palette = 0; |
7d4906bf |
481 | |
9112b6ce |
482 | sceGuFinish(); |
8ab3e3c1 |
483 | set_scaling_params(); |
9112b6ce |
484 | sceGuSync(0,0); |
7d4906bf |
485 | } |
8ab3e3c1 |
486 | |
a4221917 |
487 | |
488 | /* sound stuff */ |
88b3d7c1 |
489 | #define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152 |
490 | #define SOUND_BLOCK_SIZE_PAL (1764*2) |
4b167c12 |
491 | #define SOUND_BLOCK_COUNT 8 |
a4221917 |
492 | |
e41da5ce |
493 | static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2]; |
494 | static short *snd_playptr = NULL, *sndBuffer_endptr = NULL; |
495 | static int samples_made = 0, samples_done = 0, samples_block = 0; |
a4221917 |
496 | static int sound_thread_exit = 0; |
497 | static SceUID sound_sem = -1; |
498 | |
499 | static void writeSound(int len); |
500 | |
501 | static int sound_thread(SceSize args, void *argp) |
7d4906bf |
502 | { |
4b167c12 |
503 | int ret = 0; |
a4221917 |
504 | |
c5b61ac2 |
505 | lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority()); |
a4221917 |
506 | |
507 | while (!sound_thread_exit) |
508 | { |
509 | if (samples_made - samples_done < samples_block) { |
88b3d7c1 |
510 | // wait for data (use at least 2 blocks) |
110df09c |
511 | //lprintf("sthr: wait... (%i)\n", samples_made - samples_done); |
88b3d7c1 |
512 | while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit) |
513 | ret = sceKernelWaitSema(sound_sem, 1, 0); |
4b167c12 |
514 | if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret); |
a4221917 |
515 | continue; |
516 | } |
517 | |
4b167c12 |
518 | // lprintf("sthr: got data: %i\n", samples_made - samples_done); |
a4221917 |
519 | |
520 | ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr); |
521 | |
522 | samples_done += samples_block; |
523 | snd_playptr += samples_block; |
e41da5ce |
524 | if (snd_playptr >= sndBuffer_endptr) |
a4221917 |
525 | snd_playptr = sndBuffer; |
110df09c |
526 | // 1.5 kernel returns 0, newer ones return # of samples queued |
527 | if (ret < 0) |
528 | lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made); |
88b3d7c1 |
529 | |
530 | // shouln't happen, but just in case |
531 | if (samples_made - samples_done >= samples_block*3) { |
4b167c12 |
532 | lprintf("sthr: block skip (%i)\n", samples_made - samples_done); |
88b3d7c1 |
533 | samples_done += samples_block; // skip |
534 | snd_playptr += samples_block; |
535 | } |
536 | |
a4221917 |
537 | } |
538 | |
539 | lprintf("sthr: exit\n"); |
540 | sceKernelExitDeleteThread(0); |
541 | return 0; |
542 | } |
543 | |
544 | static void sound_init(void) |
545 | { |
546 | SceUID thid; |
110df09c |
547 | int ret; |
a4221917 |
548 | |
549 | sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL); |
550 | if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem); |
551 | |
c5b61ac2 |
552 | samples_made = samples_done = 0; |
553 | samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema |
a4221917 |
554 | sound_thread_exit = 0; |
555 | thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL); |
556 | if (thid >= 0) |
557 | { |
110df09c |
558 | ret = sceKernelStartThread(thid, 0, 0); |
559 | if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret); |
a4221917 |
560 | } |
561 | else |
562 | lprintf("sceKernelCreateThread failed: %i\n", thid); |
563 | } |
564 | |
565 | static void sound_prepare(void) |
566 | { |
567 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; |
568 | int ret, stereo; |
569 | |
570 | samples_made = samples_done = 0; |
571 | |
572 | if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) { |
9d917eea |
573 | PsndRerate(Pico.m.frame_count ? 1 : 0); |
a4221917 |
574 | } |
575 | stereo=(PicoOpt&8)>>3; |
e41da5ce |
576 | |
577 | samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC; |
88b3d7c1 |
578 | if (PsndRate <= 22050) samples_block /= 2; |
e41da5ce |
579 | sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT]; |
a4221917 |
580 | |
581 | lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n", |
582 | PsndRate, PsndLen, stereo, Pico.m.pal, samples_block); |
583 | |
8022f53d |
584 | // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100); |
585 | // sceAudio_5C37C0AE(); |
e41da5ce |
586 | ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment |
a4221917 |
587 | if (ret < 0) { |
588 | lprintf("sceAudio_38553111() failed: %i\n", ret); |
589 | sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret); |
590 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
591 | currentConfig.EmuOpt &= ~4; |
592 | } else { |
a4221917 |
593 | PicoWriteSound = writeSound; |
594 | memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4); |
e41da5ce |
595 | snd_playptr = sndBuffer_endptr - samples_block; |
596 | samples_made = samples_block; // send 1 empty block first.. |
a4221917 |
597 | PsndOut = sndBuffer; |
598 | PsndRate_old = PsndRate; |
599 | PicoOpt_old = PicoOpt; |
600 | pal_old = Pico.m.pal; |
601 | } |
602 | } |
603 | |
604 | static void sound_end(void) |
605 | { |
8022f53d |
606 | int i; |
607 | if (samples_done == 0) |
608 | { |
609 | // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls, |
610 | // we get a deadlock on next sceAudio_38553111 call |
611 | // so this is yet another workaround: |
612 | memset32((int *)(void *)sndBuffer, 0, samples_block*4/4); |
613 | samples_made = samples_block * 3; |
614 | sceKernelSignalSema(sound_sem, 1); |
615 | } |
616 | sceKernelDelayThread(100*1000); |
80db4442 |
617 | samples_made = samples_done = 0; |
8022f53d |
618 | for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++) |
e41da5ce |
619 | psp_msleep(100); |
620 | sceAudio_5C37C0AE(); |
a4221917 |
621 | } |
622 | |
623 | static void sound_deinit(void) |
624 | { |
625 | sound_thread_exit = 1; |
626 | sceKernelSignalSema(sound_sem, 1); |
80db4442 |
627 | sceKernelDeleteSema(sound_sem); |
628 | sound_sem = -1; |
a4221917 |
629 | } |
630 | |
631 | static void writeSound(int len) |
632 | { |
633 | int ret; |
7d4906bf |
634 | if (PicoOpt&8) len<<=1; |
635 | |
a4221917 |
636 | PsndOut += len; |
e41da5ce |
637 | /*if (PsndOut > sndBuffer_endptr) { |
a4221917 |
638 | memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2); |
639 | PsndOut = &sndBuffer[PsndOut - endptr]; |
e41da5ce |
640 | lprintf("mov\n"); |
a4221917 |
641 | } |
e41da5ce |
642 | else*/ |
4b167c12 |
643 | if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr); |
e41da5ce |
644 | if (PsndOut >= sndBuffer_endptr) |
645 | PsndOut = sndBuffer; |
a4221917 |
646 | |
647 | // signal the snd thread |
648 | samples_made += len; |
88b3d7c1 |
649 | if (samples_made - samples_done > samples_block*2) { |
e41da5ce |
650 | // lprintf("signal, %i/%i\n", samples_done, samples_made); |
a4221917 |
651 | ret = sceKernelSignalSema(sound_sem, 1); |
4b167c12 |
652 | //if (ret < 0) lprintf("snd signal ret %08x\n", ret); |
a4221917 |
653 | } |
7d4906bf |
654 | } |
a4221917 |
655 | |
7d4906bf |
656 | |
657 | static void SkipFrame(void) |
658 | { |
659 | PicoSkipFrame=1; |
660 | PicoFrame(); |
661 | PicoSkipFrame=0; |
662 | } |
663 | |
664 | void emu_forcedFrame(void) |
665 | { |
666 | int po_old = PicoOpt; |
667 | int eo_old = currentConfig.EmuOpt; |
668 | |
669 | PicoOpt &= ~0x0010; |
670 | PicoOpt |= 0x4080; // soft_scale | acc_sprites |
671 | currentConfig.EmuOpt |= 0x80; |
672 | |
8ab3e3c1 |
673 | vidResetMode(); |
674 | memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders |
675 | memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4); |
b542be46 |
676 | memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4); |
8ab3e3c1 |
677 | |
678 | PicoDrawSetColorFormat(-1); |
679 | PicoScan = EmuScanSlow; |
9112b6ce |
680 | EmuScanPrepare(); |
7d4906bf |
681 | PicoFrameDrawOnly(); |
8ab3e3c1 |
682 | blit1(); |
683 | sceGuSync(0,0); |
7d4906bf |
684 | |
685 | PicoOpt = po_old; |
686 | currentConfig.EmuOpt = eo_old; |
687 | } |
688 | |
689 | |
690 | static void RunEvents(unsigned int which) |
691 | { |
692 | if (which & 0x1800) // save or load (but not both) |
693 | { |
694 | int do_it = 1; |
695 | |
696 | if ( emu_checkSaveFile(state_slot) && |
697 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load |
698 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save |
699 | { |
700 | int keys; |
3ec29f01 |
701 | sceGuSync(0,0); |
702 | blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0); |
7d4906bf |
703 | while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) |
704 | psp_msleep(50); |
705 | if (keys & BTN_CIRCLE) do_it = 0; |
706 | while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release |
707 | psp_msleep(50); |
708 | clearArea(0); |
709 | } |
710 | |
711 | if (do_it) |
712 | { |
8022f53d |
713 | osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0); |
8ab3e3c1 |
714 | PicoStateProgressCB = emu_msg_cb; |
7d4906bf |
715 | emu_SaveLoadGame((which & 0x1000) >> 12, 0); |
716 | PicoStateProgressCB = NULL; |
717 | psp_msleep(0); |
718 | } |
719 | |
720 | reset_timing = 1; |
721 | } |
722 | if (which & 0x0400) // switch renderer |
723 | { |
724 | if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; } |
725 | else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; } |
726 | |
727 | vidResetMode(); |
728 | |
c5b61ac2 |
729 | if (PicoOpt&0x10) |
730 | strcpy(noticeMsg, "fast renderer"); |
731 | else if (currentConfig.EmuOpt&0x80) |
732 | strcpy(noticeMsg, "accurate renderer"); |
7d4906bf |
733 | |
734 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
735 | } |
736 | if (which & 0x0300) |
737 | { |
738 | if(which&0x0200) { |
739 | state_slot -= 1; |
740 | if(state_slot < 0) state_slot = 9; |
741 | } else { |
742 | state_slot += 1; |
743 | if(state_slot > 9) state_slot = 0; |
744 | } |
745 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE"); |
746 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
747 | } |
748 | } |
749 | |
750 | static void updateKeys(void) |
751 | { |
752 | unsigned int keys, allActions[2] = { 0, 0 }, events; |
753 | static unsigned int prevEvents = 0; |
754 | int i; |
755 | |
756 | keys = psp_pad_read(0); |
70357ce5 |
757 | if (keys & PSP_CTRL_HOME) |
758 | sceDisplayWaitVblankStart(); |
759 | |
7d4906bf |
760 | if (keys & BTN_SELECT) |
761 | engineState = PGS_Menu; |
762 | |
763 | keys &= CONFIGURABLE_KEYS; |
764 | |
765 | for (i = 0; i < 32; i++) |
766 | { |
767 | if (keys & (1 << i)) |
768 | { |
769 | int pl, acts = currentConfig.KeyBinds[i]; |
770 | if (!acts) continue; |
771 | pl = (acts >> 16) & 1; |
772 | if (combo_keys & (1 << i)) |
773 | { |
774 | int u = i+1, acts_c = acts & combo_acts; |
775 | // let's try to find the other one |
776 | if (acts_c) |
777 | for (; u < 32; u++) |
778 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) { |
779 | allActions[pl] |= acts_c; |
780 | keys &= ~((1 << i) | (1 << u)); |
781 | break; |
782 | } |
783 | // add non-combo actions if combo ones were not found |
784 | if (!acts_c || u == 32) |
785 | allActions[pl] |= acts & ~combo_acts; |
786 | } else { |
787 | allActions[pl] |= acts; |
788 | } |
789 | } |
790 | } |
791 | |
792 | PicoPad[0] = (unsigned short) allActions[0]; |
793 | PicoPad[1] = (unsigned short) allActions[1]; |
794 | |
795 | events = (allActions[0] | allActions[1]) >> 16; |
796 | |
797 | // volume is treated in special way and triggered every frame |
798 | if ((events & 0x6000) && PsndOut != NULL) |
799 | { |
800 | int vol = currentConfig.volume; |
801 | if (events & 0x2000) { |
802 | if (vol < 100) vol++; |
803 | } else { |
804 | if (vol > 0) vol--; |
805 | } |
806 | // FrameworkAudio_SetVolume(vol, vol); // TODO |
807 | sprintf(noticeMsg, "VOL: %02i ", vol); |
808 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
809 | currentConfig.volume = vol; |
810 | } |
811 | |
812 | events &= ~prevEvents; |
813 | if (events) RunEvents(events); |
814 | if (movie_data) emu_updateMovie(); |
815 | |
816 | prevEvents = (allActions[0] | allActions[1]) >> 16; |
817 | } |
818 | |
819 | static void find_combos(void) |
820 | { |
821 | int act, u; |
822 | |
823 | // find out which keys and actions are combos |
824 | combo_keys = combo_acts = 0; |
825 | for (act = 0; act < 32; act++) |
826 | { |
1f4e9f14 |
827 | int keyc = 0, keyc2 = 0; |
7d4906bf |
828 | if (act == 16 || act == 17) continue; // player2 flag |
1f4e9f14 |
829 | if (act > 17) |
7d4906bf |
830 | { |
9caf44b5 |
831 | for (u = 0; u < 28; u++) // 28 because nub can't produce combos |
1f4e9f14 |
832 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++; |
833 | } |
834 | else |
835 | { |
9caf44b5 |
836 | for (u = 0; u < 28; u++) |
1f4e9f14 |
837 | if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1 |
838 | (currentConfig.KeyBinds[u] & (1 << act))) keyc++; |
9caf44b5 |
839 | for (u = 0; u < 28; u++) |
1f4e9f14 |
840 | if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2 |
841 | (currentConfig.KeyBinds[u] & (1 << act))) keyc2++; |
7d4906bf |
842 | } |
9caf44b5 |
843 | if (keyc > 1 || keyc2 > 1) |
7d4906bf |
844 | { |
845 | // loop again and mark those keys and actions as combo |
9caf44b5 |
846 | for (u = 0; u < 28; u++) |
7d4906bf |
847 | { |
848 | if (currentConfig.KeyBinds[u] & (1 << act)) { |
849 | combo_keys |= 1 << u; |
850 | combo_acts |= 1 << act; |
851 | } |
852 | } |
853 | } |
854 | } |
855 | } |
856 | |
857 | |
858 | static void simpleWait(unsigned int until) |
859 | { |
860 | unsigned int tval; |
861 | int diff; |
862 | |
863 | tval = sceKernelGetSystemTimeLow(); |
864 | diff = (int)until - (int)tval; |
865 | if (diff >= 512 && diff < 100*1024) |
866 | sceKernelDelayThread(diff); |
867 | } |
868 | |
869 | void emu_Loop(void) |
870 | { |
110df09c |
871 | static int mp3_init_done = 0; |
7d4906bf |
872 | char fpsbuff[24]; // fps count c string |
873 | unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing |
874 | int frames_done = 0, frames_shown = 0, oldmodes = 0; |
875 | int target_fps, target_frametime, lim_time, tval_diff, i; |
876 | char *notice = NULL; |
877 | |
878 | lprintf("entered emu_Loop()\n"); |
879 | |
880 | fpsbuff[0] = 0; |
881 | |
70357ce5 |
882 | if (currentConfig.CPUclock != psp_get_cpu_clock()) { |
883 | lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock); |
884 | i = psp_set_cpu_clock(currentConfig.CPUclock); |
885 | lprintf(i ? "failed\n" : "done\n"); |
886 | currentConfig.CPUclock = psp_get_cpu_clock(); |
887 | } |
888 | |
7d4906bf |
889 | // make sure we are in correct mode |
890 | vidResetMode(); |
8ab3e3c1 |
891 | clearArea(1); |
7d4906bf |
892 | Pico.m.dirtyPal = 1; |
893 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; |
894 | find_combos(); |
895 | |
896 | // pal/ntsc might have changed, reset related stuff |
897 | target_fps = Pico.m.pal ? 50 : 60; |
898 | target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1; |
899 | reset_timing = 1; |
900 | |
110df09c |
901 | if (PicoMCD & 1) { |
902 | // prepare CD buffer |
903 | PicoCDBufferInit(); |
904 | // mp3... |
905 | if (!mp3_init_done) { |
906 | i = mp3_init(); |
907 | mp3_init_done = 1; |
908 | if (i) { engineState = PGS_Menu; return; } |
909 | } |
910 | } |
7d4906bf |
911 | |
912 | // prepare sound stuff |
913 | PsndOut = NULL; |
7d4906bf |
914 | if (currentConfig.EmuOpt & 4) |
915 | { |
a4221917 |
916 | sound_prepare(); |
7d4906bf |
917 | } |
7d4906bf |
918 | |
1f4e9f14 |
919 | sceDisplayWaitVblankStart(); |
920 | |
7d4906bf |
921 | // loop? |
922 | while (engineState == PGS_Running) |
923 | { |
924 | int modes; |
925 | |
926 | tval = sceKernelGetSystemTimeLow(); |
927 | if (reset_timing || tval < tval_prev) { |
928 | //stdbg("timing reset"); |
929 | reset_timing = 0; |
930 | tval_thissec = tval; |
931 | frames_shown = frames_done = 0; |
932 | } |
933 | |
934 | // show notice message? |
935 | if (noticeMsgTime) { |
936 | static int noticeMsgSum; |
937 | if (tval - noticeMsgTime > 2000000) { // > 2.0 sec |
938 | noticeMsgTime = 0; |
939 | clearArea(0); |
940 | notice = 0; |
941 | } else { |
942 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2]; |
943 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; } |
944 | notice = noticeMsg; |
945 | } |
946 | } |
947 | |
948 | // check for mode changes |
949 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8); |
950 | if (modes != oldmodes) { |
951 | oldmodes = modes; |
952 | clearArea(1); |
8ab3e3c1 |
953 | set_scaling_params(); |
7d4906bf |
954 | } |
955 | |
956 | // second passed? |
957 | if (tval - tval_thissec >= 1000000) |
958 | { |
e41da5ce |
959 | // missing 1 frame? |
960 | if (currentConfig.Frameskip < 0 && frames_done < target_fps) { |
961 | SkipFrame(); frames_done++; |
7d4906bf |
962 | } |
e41da5ce |
963 | |
964 | if (currentConfig.EmuOpt & 2) |
965 | sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done); |
966 | |
7d4906bf |
967 | tval_thissec += 1000000; |
968 | |
969 | if (currentConfig.Frameskip < 0) { |
970 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0; |
971 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0; |
972 | if (frames_shown > frames_done) frames_shown = frames_done; |
973 | } else { |
974 | frames_done = frames_shown = 0; |
975 | } |
976 | } |
977 | #ifdef PFRAMES |
978 | sprintf(fpsbuff, "%i", Pico.m.frame_count); |
979 | #endif |
980 | |
981 | tval_prev = tval; |
982 | lim_time = (frames_done+1) * target_frametime; |
983 | if (currentConfig.Frameskip >= 0) // frameskip enabled |
984 | { |
985 | for (i = 0; i < currentConfig.Frameskip; i++) { |
986 | updateKeys(); |
987 | SkipFrame(); frames_done++; |
988 | if (PsndOut) { // do framelimitting if sound is enabled |
989 | int tval_diff; |
990 | tval = sceKernelGetSystemTimeLow(); |
991 | tval_diff = (int)(tval - tval_thissec) << 8; |
992 | if (tval_diff < lim_time) // we are too fast |
993 | simpleWait(tval + ((lim_time - tval_diff)>>8)); |
994 | } |
995 | lim_time += target_frametime; |
996 | } |
997 | } |
998 | else // auto frameskip |
999 | { |
1000 | int tval_diff; |
1001 | tval = sceKernelGetSystemTimeLow(); |
1002 | tval_diff = (int)(tval - tval_thissec) << 8; |
88b3d7c1 |
1003 | if (tval_diff > lim_time && (frames_done/16 < frames_shown)) |
7d4906bf |
1004 | { |
1005 | // no time left for this frame - skip |
1006 | if (tval_diff - lim_time >= (300000<<8)) { |
7d4906bf |
1007 | reset_timing = 1; |
1008 | continue; |
1009 | } |
1010 | updateKeys(); |
1011 | SkipFrame(); frames_done++; |
1012 | continue; |
1013 | } |
1014 | } |
1015 | |
1016 | updateKeys(); |
1017 | |
1018 | if (!(PicoOpt&0x10)) |
9112b6ce |
1019 | EmuScanPrepare(); |
7d4906bf |
1020 | |
1021 | PicoFrame(); |
1022 | |
3ec29f01 |
1023 | sceGuSync(0,0); |
7d4906bf |
1024 | |
1025 | // check time |
1026 | tval = sceKernelGetSystemTimeLow(); |
1027 | tval_diff = (int)(tval - tval_thissec) << 8; |
1028 | |
3ec29f01 |
1029 | blit2(fpsbuff, notice, tval_diff > lim_time); |
1030 | |
7d4906bf |
1031 | if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection |
1032 | reset_timing = 1; |
1033 | else if (PsndOut != NULL || currentConfig.Frameskip < 0) |
1034 | { |
1035 | // sleep if we are still too fast |
1036 | if (tval_diff < lim_time) |
1037 | { |
1038 | // we are too fast |
1039 | simpleWait(tval + ((lim_time - tval_diff) >> 8)); |
1040 | } |
1041 | } |
1042 | |
1043 | frames_done++; frames_shown++; |
1044 | } |
1045 | |
1046 | |
1047 | if (PicoMCD & 1) PicoCDBufferFree(); |
a4221917 |
1048 | |
7d4906bf |
1049 | if (PsndOut != NULL) { |
a4221917 |
1050 | PsndOut = NULL; |
1051 | sound_end(); |
7d4906bf |
1052 | } |
a4221917 |
1053 | |
7d4906bf |
1054 | // save SRAM |
1055 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
8ab3e3c1 |
1056 | emu_msg_cb("Writing SRAM/BRAM.."); |
7d4906bf |
1057 | emu_SaveLoadGame(0, 1); |
1058 | SRam.changed = 0; |
1059 | } |
a4221917 |
1060 | |
80db4442 |
1061 | // clear fps counters and stuff |
b542be46 |
1062 | memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4); |
7d4906bf |
1063 | } |
1064 | |
1065 | |
1820b5a7 |
1066 | void emu_ResetGame(void) |
1067 | { |
1068 | PicoReset(0); |
7d4906bf |
1069 | reset_timing = 1; |
1820b5a7 |
1070 | } |
1071 | |