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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> |
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7 | #include <psputils.h> |
8 | #include <pspgu.h> |
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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 | |
4b8f4f3c |
19 | #define OSD_FPS_X 424 |
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20 | |
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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]; |
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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); |
703e4c7b |
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 | { |
703e4c7b |
49 | if (len > 0) *dst = 0; |
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50 | } |
51 | |
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52 | static void osd_text(int x, const char *text, int is_active, int clear_all) |
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53 | { |
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54 | unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen; |
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55 | int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2); |
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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 |
5ecedd0c |
61 | memset32_uncached(p, 0, len); |
6f748c47 |
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 | |
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68 | void emu_msg_cb(const char *msg) |
69 | { |
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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(); |
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81 | } |
82 | |
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83 | |
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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 | |
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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) { |
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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; |
5ecedd0c |
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; |
4b8f4f3c |
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; |
c4f2f371 |
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 |
16e89bed |
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; |
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153 | currentConfig.PicoCDBuffers = 64; |
16e89bed |
154 | currentConfig.scaling = 1; // bilinear filtering for psp |
155 | currentConfig.scale = 1.20; // fullscreen |
156 | currentConfig.hscale40 = 1.25; |
157 | currentConfig.hscale32 = 1.56; |
703e4c7b |
158 | } |
159 | |
160 | |
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161 | extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count); |
db298784 |
162 | |
163 | struct Vertex |
164 | { |
165 | short u,v; |
166 | short x,y,z; |
167 | }; |
168 | |
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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) |
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175 | { |
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176 | int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0; |
6f748c47 |
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 | } |
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188 | |
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189 | if (fbimg_width & 1) fbimg_width++; // make even |
190 | if (fbimg_height & 1) fbimg_height++; |
191 | |
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192 | if (fbimg_width >= 480) { |
193 | g_vertices[0].u = (fbimg_width-480)/2; |
5ecedd0c |
194 | g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1; |
195 | if (fbimg_width == 480) border_hack = 1; |
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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; |
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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 | } |
6f748c47 |
225 | fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit |
226 | |
a52e1f62 |
227 | /* |
6f748c47 |
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); |
a52e1f62 |
232 | */ |
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233 | } |
234 | |
a52e1f62 |
235 | static void do_pal_update(int allow_sh) |
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236 | { |
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237 | unsigned int *spal=(void *)Pico.cram; |
238 | unsigned int *dpal=(void *)localPal; |
239 | int i; |
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240 | |
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241 | for (i = 0x3f/2; i >= 0; i--) |
242 | dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4); |
db298784 |
243 | |
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244 | if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight? |
6f748c47 |
245 | { |
246 | // shadowed pixels |
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247 | for (i = 0x3f/2; i >= 0; i--) |
a52e1f62 |
248 | dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x738e738e; |
6f748c47 |
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; |
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259 | } |
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260 | Pico.m.dirtyPal = 0; |
261 | need_pal_upload = 1; |
262 | } |
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263 | |
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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; } |
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270 | |
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271 | for (; line < line_to; line++, dst+=512, src+=512) |
272 | amips_clut(dst, src, localPal, line_len); |
273 | } |
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274 | |
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275 | static void EmuScanPrepare(void) |
276 | { |
277 | HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8; |
278 | if (!(Pico.video.reg[1]&8)) HighCol += 8*512; |
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279 | |
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280 | dynamic_palette = 0; |
281 | if (Pico.m.dirtyPal) |
a52e1f62 |
282 | do_pal_update(1); |
6f748c47 |
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 | } |
a52e1f62 |
294 | do_pal_update(1); |
6f748c47 |
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; |
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303 | |
703e4c7b |
304 | return 0; |
305 | } |
306 | |
6f748c47 |
307 | static void blitscreen_clut(void) |
db298784 |
308 | { |
6f748c47 |
309 | int offs = fbimg_offs; |
310 | offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1; |
db298784 |
311 | |
db298784 |
312 | sceGuSync(0,0); // sync with prev |
313 | sceGuStart(GU_DIRECT, guCmdList); |
6f748c47 |
314 | sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer |
db298784 |
315 | |
6f748c47 |
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); |
db298784 |
321 | |
6f748c47 |
322 | blit_16bit_mode = 1; |
323 | } |
db298784 |
324 | } |
6f748c47 |
325 | else |
db298784 |
326 | { |
6f748c47 |
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 | } |
db298784 |
333 | |
6f748c47 |
334 | if ((PicoOpt&0x10) && Pico.m.dirtyPal) |
a52e1f62 |
335 | do_pal_update(0); |
336 | |
337 | sceKernelDcacheWritebackAll(); |
db298784 |
338 | |
6f748c47 |
339 | if (need_pal_upload) { |
340 | need_pal_upload = 0; |
341 | sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) |
342 | } |
343 | } |
703e4c7b |
344 | |
6f748c47 |
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; |
703e4c7b |
350 | |
6f748c47 |
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 |
703e4c7b |
362 | } |
6f748c47 |
363 | else |
364 | #endif |
365 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices); |
366 | |
367 | sceGuFinish(); |
703e4c7b |
368 | } |
369 | |
370 | |
371 | static void cd_leds(void) |
372 | { |
16e89bed |
373 | unsigned int reg, col_g, col_r, *p; |
703e4c7b |
374 | |
16e89bed |
375 | reg = Pico_mcd->s68k_regs[0]; |
703e4c7b |
376 | |
377 | p = (unsigned int *)((short *)psp_screen + 512*2+4+2); |
16e89bed |
378 | col_g = (reg & 2) ? 0x06000600 : 0; |
379 | col_r = (reg & 1) ? 0x00180018 : 0; |
703e4c7b |
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 | |
5ecedd0c |
385 | #if 0 |
6f748c47 |
386 | static void dbg_text(void) |
703e4c7b |
387 | { |
6f748c47 |
388 | int *p, h, len; |
389 | char text[128]; |
703e4c7b |
390 | |
6f748c47 |
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 |
5ecedd0c |
396 | memset32_uncached(p, 0, len); |
703e4c7b |
397 | } |
6f748c47 |
398 | emu_textOut16(2, 256, text); |
399 | } |
5ecedd0c |
400 | #endif |
6f748c47 |
401 | |
402 | /* called after rendering is done, but frame emulation is not finished */ |
403 | void blit1(void) |
404 | { |
405 | if (PicoOpt&0x10) |
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406 | { |
6f748c47 |
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); |
703e4c7b |
414 | } |
6f748c47 |
415 | |
416 | blitscreen_clut(); |
417 | } |
418 | |
419 | |
4b8f4f3c |
420 | static void blit2(const char *fps, const char *notice, int lagging_behind) |
6f748c47 |
421 | { |
4b8f4f3c |
422 | int vsync = 0, emu_opt = currentConfig.EmuOpt; |
703e4c7b |
423 | |
424 | if (notice || (emu_opt & 2)) { |
60a10527 |
425 | if (notice) osd_text(4, notice, 0, 0); |
426 | if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0); |
703e4c7b |
427 | } |
428 | |
5ecedd0c |
429 | //dbg_text(); |
6f748c47 |
430 | |
703e4c7b |
431 | if ((emu_opt & 0x400) && (PicoMCD & 1)) |
432 | cd_leds(); |
433 | |
4b8f4f3c |
434 | if (currentConfig.EmuOpt & 0x2000) { // want vsync |
435 | if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1; |
436 | } |
437 | |
438 | psp_video_flip(vsync); |
703e4c7b |
439 | } |
440 | |
441 | // clears whole screen or just the notice area (in all buffers) |
442 | static void clearArea(int full) |
443 | { |
444 | if (full) { |
5ecedd0c |
445 | memset32_uncached(psp_screen, 0, 512*272*2/4); |
703e4c7b |
446 | psp_video_flip(0); |
5ecedd0c |
447 | memset32_uncached(psp_screen, 0, 512*272*2/4); |
6f748c47 |
448 | memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4); |
449 | memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4); |
703e4c7b |
450 | } else { |
451 | void *fb = psp_video_get_active_fb(); |
5ecedd0c |
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); |
703e4c7b |
454 | } |
455 | } |
456 | |
457 | static void vidResetMode(void) |
458 | { |
db298784 |
459 | // setup GU |
460 | sceGuSync(0,0); // sync with prev |
461 | sceGuStart(GU_DIRECT, guCmdList); |
462 | |
463 | sceGuClutMode(GU_PSM_5650,0,0xff,0); |
db298784 |
464 | sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image |
465 | sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB); |
6f748c47 |
466 | if (currentConfig.scaling) |
467 | sceGuTexFilter(GU_LINEAR, GU_LINEAR); |
468 | else sceGuTexFilter(GU_NEAREST, GU_NEAREST); |
db298784 |
469 | sceGuTexScale(1.0f,1.0f); |
470 | sceGuTexOffset(0.0f,0.0f); |
db298784 |
471 | |
6f748c47 |
472 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16); |
db298784 |
473 | |
6f748c47 |
474 | // slow rend. |
475 | PicoDrawSetColorFormat(-1); |
476 | PicoScan = EmuScanSlow; |
db298784 |
477 | |
6f748c47 |
478 | localPal[0xe0] = 0; |
703e4c7b |
479 | Pico.m.dirtyPal = 1; |
6f748c47 |
480 | blit_16bit_mode = dynamic_palette = 0; |
703e4c7b |
481 | |
db298784 |
482 | sceGuFinish(); |
6f748c47 |
483 | set_scaling_params(); |
db298784 |
484 | sceGuSync(0,0); |
703e4c7b |
485 | } |
6f748c47 |
486 | |
0953046b |
487 | |
488 | /* sound stuff */ |
b9342840 |
489 | #define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152 |
490 | #define SOUND_BLOCK_SIZE_PAL (1764*2) |
a6df06b7 |
491 | #define SOUND_BLOCK_COUNT 8 |
0953046b |
492 | |
2aea862d |
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; |
0953046b |
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) |
703e4c7b |
502 | { |
a6df06b7 |
503 | int ret = 0; |
0953046b |
504 | |
ae1bf35c |
505 | lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority()); |
0953046b |
506 | |
507 | while (!sound_thread_exit) |
508 | { |
509 | if (samples_made - samples_done < samples_block) { |
b9342840 |
510 | // wait for data (use at least 2 blocks) |
a6df06b7 |
511 | lprintf("sthr: wait... (%i)\n", samples_made - samples_done); |
b9342840 |
512 | while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit) |
513 | ret = sceKernelWaitSema(sound_sem, 1, 0); |
a6df06b7 |
514 | if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret); |
0953046b |
515 | continue; |
516 | } |
517 | |
a6df06b7 |
518 | // lprintf("sthr: got data: %i\n", samples_made - samples_done); |
0953046b |
519 | |
520 | ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr); |
521 | |
522 | samples_done += samples_block; |
523 | snd_playptr += samples_block; |
2aea862d |
524 | if (snd_playptr >= sndBuffer_endptr) |
0953046b |
525 | snd_playptr = sndBuffer; |
526 | if (ret) |
527 | lprintf("sthr: outf: %i; pos %i/%i\n", ret, samples_done, samples_made); |
b9342840 |
528 | |
529 | // shouln't happen, but just in case |
530 | if (samples_made - samples_done >= samples_block*3) { |
a6df06b7 |
531 | lprintf("sthr: block skip (%i)\n", samples_made - samples_done); |
b9342840 |
532 | samples_done += samples_block; // skip |
533 | snd_playptr += samples_block; |
534 | } |
535 | |
0953046b |
536 | } |
537 | |
538 | lprintf("sthr: exit\n"); |
539 | sceKernelExitDeleteThread(0); |
540 | return 0; |
541 | } |
542 | |
543 | static void sound_init(void) |
544 | { |
545 | SceUID thid; |
546 | |
547 | sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL); |
548 | if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem); |
549 | |
ae1bf35c |
550 | samples_made = samples_done = 0; |
551 | samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema |
0953046b |
552 | sound_thread_exit = 0; |
553 | thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL); |
554 | if (thid >= 0) |
555 | { |
556 | sceKernelStartThread(thid, 0, 0); |
557 | } |
558 | else |
559 | lprintf("sceKernelCreateThread failed: %i\n", thid); |
560 | } |
561 | |
562 | static void sound_prepare(void) |
563 | { |
564 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; |
565 | int ret, stereo; |
566 | |
567 | samples_made = samples_done = 0; |
568 | |
569 | if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) { |
c4f2f371 |
570 | PsndRerate(Pico.m.frame_count ? 1 : 0); |
0953046b |
571 | } |
572 | stereo=(PicoOpt&8)>>3; |
2aea862d |
573 | |
574 | samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC; |
b9342840 |
575 | if (PsndRate <= 22050) samples_block /= 2; |
2aea862d |
576 | sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT]; |
0953046b |
577 | |
578 | lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n", |
579 | PsndRate, PsndLen, stereo, Pico.m.pal, samples_block); |
580 | |
60a10527 |
581 | // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100); |
582 | // sceAudio_5C37C0AE(); |
2aea862d |
583 | ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment |
0953046b |
584 | if (ret < 0) { |
585 | lprintf("sceAudio_38553111() failed: %i\n", ret); |
586 | sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret); |
587 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
588 | currentConfig.EmuOpt &= ~4; |
589 | } else { |
0953046b |
590 | PicoWriteSound = writeSound; |
591 | memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4); |
2aea862d |
592 | snd_playptr = sndBuffer_endptr - samples_block; |
593 | samples_made = samples_block; // send 1 empty block first.. |
0953046b |
594 | PsndOut = sndBuffer; |
595 | PsndRate_old = PsndRate; |
596 | PicoOpt_old = PicoOpt; |
597 | pal_old = Pico.m.pal; |
598 | } |
599 | } |
600 | |
601 | static void sound_end(void) |
602 | { |
60a10527 |
603 | int i; |
604 | if (samples_done == 0) |
605 | { |
606 | // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls, |
607 | // we get a deadlock on next sceAudio_38553111 call |
608 | // so this is yet another workaround: |
609 | memset32((int *)(void *)sndBuffer, 0, samples_block*4/4); |
610 | samples_made = samples_block * 3; |
611 | sceKernelSignalSema(sound_sem, 1); |
612 | } |
613 | sceKernelDelayThread(100*1000); |
a52e1f62 |
614 | samples_made = samples_done = 0; |
60a10527 |
615 | for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++) |
2aea862d |
616 | psp_msleep(100); |
617 | sceAudio_5C37C0AE(); |
0953046b |
618 | } |
619 | |
620 | static void sound_deinit(void) |
621 | { |
622 | sound_thread_exit = 1; |
623 | sceKernelSignalSema(sound_sem, 1); |
a52e1f62 |
624 | sceKernelDeleteSema(sound_sem); |
625 | sound_sem = -1; |
0953046b |
626 | } |
627 | |
628 | static void writeSound(int len) |
629 | { |
630 | int ret; |
703e4c7b |
631 | if (PicoOpt&8) len<<=1; |
632 | |
0953046b |
633 | PsndOut += len; |
2aea862d |
634 | /*if (PsndOut > sndBuffer_endptr) { |
0953046b |
635 | memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2); |
636 | PsndOut = &sndBuffer[PsndOut - endptr]; |
2aea862d |
637 | lprintf("mov\n"); |
0953046b |
638 | } |
2aea862d |
639 | else*/ |
a6df06b7 |
640 | if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr); |
2aea862d |
641 | if (PsndOut >= sndBuffer_endptr) |
642 | PsndOut = sndBuffer; |
0953046b |
643 | |
644 | // signal the snd thread |
645 | samples_made += len; |
b9342840 |
646 | if (samples_made - samples_done > samples_block*2) { |
2aea862d |
647 | // lprintf("signal, %i/%i\n", samples_done, samples_made); |
0953046b |
648 | ret = sceKernelSignalSema(sound_sem, 1); |
a6df06b7 |
649 | //if (ret < 0) lprintf("snd signal ret %08x\n", ret); |
0953046b |
650 | } |
703e4c7b |
651 | } |
0953046b |
652 | |
703e4c7b |
653 | |
654 | static void SkipFrame(void) |
655 | { |
656 | PicoSkipFrame=1; |
657 | PicoFrame(); |
658 | PicoSkipFrame=0; |
659 | } |
660 | |
661 | void emu_forcedFrame(void) |
662 | { |
663 | int po_old = PicoOpt; |
664 | int eo_old = currentConfig.EmuOpt; |
665 | |
666 | PicoOpt &= ~0x0010; |
667 | PicoOpt |= 0x4080; // soft_scale | acc_sprites |
668 | currentConfig.EmuOpt |= 0x80; |
669 | |
6f748c47 |
670 | vidResetMode(); |
671 | memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders |
672 | memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4); |
5ecedd0c |
673 | memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4); |
6f748c47 |
674 | |
675 | PicoDrawSetColorFormat(-1); |
676 | PicoScan = EmuScanSlow; |
db298784 |
677 | EmuScanPrepare(); |
703e4c7b |
678 | PicoFrameDrawOnly(); |
6f748c47 |
679 | blit1(); |
680 | sceGuSync(0,0); |
703e4c7b |
681 | |
682 | PicoOpt = po_old; |
683 | currentConfig.EmuOpt = eo_old; |
684 | } |
685 | |
686 | |
687 | static void RunEvents(unsigned int which) |
688 | { |
689 | if (which & 0x1800) // save or load (but not both) |
690 | { |
691 | int do_it = 1; |
692 | |
693 | if ( emu_checkSaveFile(state_slot) && |
694 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load |
695 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save |
696 | { |
697 | int keys; |
4b8f4f3c |
698 | sceGuSync(0,0); |
699 | blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0); |
703e4c7b |
700 | while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) |
701 | psp_msleep(50); |
702 | if (keys & BTN_CIRCLE) do_it = 0; |
703 | while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release |
704 | psp_msleep(50); |
705 | clearArea(0); |
706 | } |
707 | |
708 | if (do_it) |
709 | { |
60a10527 |
710 | osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0); |
6f748c47 |
711 | PicoStateProgressCB = emu_msg_cb; |
703e4c7b |
712 | emu_SaveLoadGame((which & 0x1000) >> 12, 0); |
713 | PicoStateProgressCB = NULL; |
714 | psp_msleep(0); |
715 | } |
716 | |
717 | reset_timing = 1; |
718 | } |
719 | if (which & 0x0400) // switch renderer |
720 | { |
721 | if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; } |
722 | else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; } |
723 | |
724 | vidResetMode(); |
725 | |
ae1bf35c |
726 | if (PicoOpt&0x10) |
727 | strcpy(noticeMsg, "fast renderer"); |
728 | else if (currentConfig.EmuOpt&0x80) |
729 | strcpy(noticeMsg, "accurate renderer"); |
703e4c7b |
730 | |
731 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
732 | } |
733 | if (which & 0x0300) |
734 | { |
735 | if(which&0x0200) { |
736 | state_slot -= 1; |
737 | if(state_slot < 0) state_slot = 9; |
738 | } else { |
739 | state_slot += 1; |
740 | if(state_slot > 9) state_slot = 0; |
741 | } |
742 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE"); |
743 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
744 | } |
745 | } |
746 | |
747 | static void updateKeys(void) |
748 | { |
749 | unsigned int keys, allActions[2] = { 0, 0 }, events; |
750 | static unsigned int prevEvents = 0; |
751 | int i; |
752 | |
753 | keys = psp_pad_read(0); |
2b90fc61 |
754 | if (keys & PSP_CTRL_HOME) |
755 | sceDisplayWaitVblankStart(); |
756 | |
703e4c7b |
757 | if (keys & BTN_SELECT) |
758 | engineState = PGS_Menu; |
759 | |
760 | keys &= CONFIGURABLE_KEYS; |
761 | |
762 | for (i = 0; i < 32; i++) |
763 | { |
764 | if (keys & (1 << i)) |
765 | { |
766 | int pl, acts = currentConfig.KeyBinds[i]; |
767 | if (!acts) continue; |
768 | pl = (acts >> 16) & 1; |
769 | if (combo_keys & (1 << i)) |
770 | { |
771 | int u = i+1, acts_c = acts & combo_acts; |
772 | // let's try to find the other one |
773 | if (acts_c) |
774 | for (; u < 32; u++) |
775 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) { |
776 | allActions[pl] |= acts_c; |
777 | keys &= ~((1 << i) | (1 << u)); |
778 | break; |
779 | } |
780 | // add non-combo actions if combo ones were not found |
781 | if (!acts_c || u == 32) |
782 | allActions[pl] |= acts & ~combo_acts; |
783 | } else { |
784 | allActions[pl] |= acts; |
785 | } |
786 | } |
787 | } |
788 | |
789 | PicoPad[0] = (unsigned short) allActions[0]; |
790 | PicoPad[1] = (unsigned short) allActions[1]; |
791 | |
792 | events = (allActions[0] | allActions[1]) >> 16; |
793 | |
794 | // volume is treated in special way and triggered every frame |
795 | if ((events & 0x6000) && PsndOut != NULL) |
796 | { |
797 | int vol = currentConfig.volume; |
798 | if (events & 0x2000) { |
799 | if (vol < 100) vol++; |
800 | } else { |
801 | if (vol > 0) vol--; |
802 | } |
803 | // FrameworkAudio_SetVolume(vol, vol); // TODO |
804 | sprintf(noticeMsg, "VOL: %02i ", vol); |
805 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
806 | currentConfig.volume = vol; |
807 | } |
808 | |
809 | events &= ~prevEvents; |
810 | if (events) RunEvents(events); |
811 | if (movie_data) emu_updateMovie(); |
812 | |
813 | prevEvents = (allActions[0] | allActions[1]) >> 16; |
814 | } |
815 | |
816 | static void find_combos(void) |
817 | { |
818 | int act, u; |
819 | |
820 | // find out which keys and actions are combos |
821 | combo_keys = combo_acts = 0; |
822 | for (act = 0; act < 32; act++) |
823 | { |
c93fb19e |
824 | int keyc = 0, keyc2 = 0; |
703e4c7b |
825 | if (act == 16 || act == 17) continue; // player2 flag |
c93fb19e |
826 | if (act > 17) |
703e4c7b |
827 | { |
16e89bed |
828 | for (u = 0; u < 28; u++) // 28 because nub can't produce combos |
c93fb19e |
829 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++; |
830 | } |
831 | else |
832 | { |
16e89bed |
833 | for (u = 0; u < 28; u++) |
c93fb19e |
834 | if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1 |
835 | (currentConfig.KeyBinds[u] & (1 << act))) keyc++; |
16e89bed |
836 | for (u = 0; u < 28; u++) |
c93fb19e |
837 | if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2 |
838 | (currentConfig.KeyBinds[u] & (1 << act))) keyc2++; |
703e4c7b |
839 | } |
16e89bed |
840 | if (keyc > 1 || keyc2 > 1) |
703e4c7b |
841 | { |
842 | // loop again and mark those keys and actions as combo |
16e89bed |
843 | for (u = 0; u < 28; u++) |
703e4c7b |
844 | { |
845 | if (currentConfig.KeyBinds[u] & (1 << act)) { |
846 | combo_keys |= 1 << u; |
847 | combo_acts |= 1 << act; |
848 | } |
849 | } |
850 | } |
851 | } |
852 | } |
853 | |
854 | |
855 | static void simpleWait(unsigned int until) |
856 | { |
857 | unsigned int tval; |
858 | int diff; |
859 | |
860 | tval = sceKernelGetSystemTimeLow(); |
861 | diff = (int)until - (int)tval; |
862 | if (diff >= 512 && diff < 100*1024) |
863 | sceKernelDelayThread(diff); |
864 | } |
865 | |
866 | void emu_Loop(void) |
867 | { |
703e4c7b |
868 | char fpsbuff[24]; // fps count c string |
869 | unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing |
870 | int frames_done = 0, frames_shown = 0, oldmodes = 0; |
871 | int target_fps, target_frametime, lim_time, tval_diff, i; |
872 | char *notice = NULL; |
873 | |
874 | lprintf("entered emu_Loop()\n"); |
875 | |
876 | fpsbuff[0] = 0; |
877 | |
2b90fc61 |
878 | if (currentConfig.CPUclock != psp_get_cpu_clock()) { |
879 | lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock); |
880 | i = psp_set_cpu_clock(currentConfig.CPUclock); |
881 | lprintf(i ? "failed\n" : "done\n"); |
882 | currentConfig.CPUclock = psp_get_cpu_clock(); |
883 | } |
884 | |
703e4c7b |
885 | // make sure we are in correct mode |
886 | vidResetMode(); |
6f748c47 |
887 | clearArea(1); |
703e4c7b |
888 | Pico.m.dirtyPal = 1; |
889 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; |
890 | find_combos(); |
891 | |
892 | // pal/ntsc might have changed, reset related stuff |
893 | target_fps = Pico.m.pal ? 50 : 60; |
894 | target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1; |
895 | reset_timing = 1; |
896 | |
897 | // prepare CD buffer |
898 | if (PicoMCD & 1) PicoCDBufferInit(); |
899 | |
900 | // prepare sound stuff |
901 | PsndOut = NULL; |
703e4c7b |
902 | if (currentConfig.EmuOpt & 4) |
903 | { |
0953046b |
904 | sound_prepare(); |
703e4c7b |
905 | } |
703e4c7b |
906 | |
c93fb19e |
907 | sceDisplayWaitVblankStart(); |
908 | |
703e4c7b |
909 | // loop? |
910 | while (engineState == PGS_Running) |
911 | { |
912 | int modes; |
913 | |
914 | tval = sceKernelGetSystemTimeLow(); |
915 | if (reset_timing || tval < tval_prev) { |
916 | //stdbg("timing reset"); |
917 | reset_timing = 0; |
918 | tval_thissec = tval; |
919 | frames_shown = frames_done = 0; |
920 | } |
921 | |
922 | // show notice message? |
923 | if (noticeMsgTime) { |
924 | static int noticeMsgSum; |
925 | if (tval - noticeMsgTime > 2000000) { // > 2.0 sec |
926 | noticeMsgTime = 0; |
927 | clearArea(0); |
928 | notice = 0; |
929 | } else { |
930 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2]; |
931 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; } |
932 | notice = noticeMsg; |
933 | } |
934 | } |
935 | |
936 | // check for mode changes |
937 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8); |
938 | if (modes != oldmodes) { |
939 | oldmodes = modes; |
940 | clearArea(1); |
6f748c47 |
941 | set_scaling_params(); |
703e4c7b |
942 | } |
943 | |
944 | // second passed? |
945 | if (tval - tval_thissec >= 1000000) |
946 | { |
2aea862d |
947 | // missing 1 frame? |
948 | if (currentConfig.Frameskip < 0 && frames_done < target_fps) { |
949 | SkipFrame(); frames_done++; |
703e4c7b |
950 | } |
2aea862d |
951 | |
952 | if (currentConfig.EmuOpt & 2) |
953 | sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done); |
954 | |
703e4c7b |
955 | tval_thissec += 1000000; |
956 | |
957 | if (currentConfig.Frameskip < 0) { |
958 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0; |
959 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0; |
960 | if (frames_shown > frames_done) frames_shown = frames_done; |
961 | } else { |
962 | frames_done = frames_shown = 0; |
963 | } |
964 | } |
965 | #ifdef PFRAMES |
966 | sprintf(fpsbuff, "%i", Pico.m.frame_count); |
967 | #endif |
968 | |
969 | tval_prev = tval; |
970 | lim_time = (frames_done+1) * target_frametime; |
971 | if (currentConfig.Frameskip >= 0) // frameskip enabled |
972 | { |
973 | for (i = 0; i < currentConfig.Frameskip; i++) { |
974 | updateKeys(); |
975 | SkipFrame(); frames_done++; |
976 | if (PsndOut) { // do framelimitting if sound is enabled |
977 | int tval_diff; |
978 | tval = sceKernelGetSystemTimeLow(); |
979 | tval_diff = (int)(tval - tval_thissec) << 8; |
980 | if (tval_diff < lim_time) // we are too fast |
981 | simpleWait(tval + ((lim_time - tval_diff)>>8)); |
982 | } |
983 | lim_time += target_frametime; |
984 | } |
985 | } |
986 | else // auto frameskip |
987 | { |
988 | int tval_diff; |
989 | tval = sceKernelGetSystemTimeLow(); |
990 | tval_diff = (int)(tval - tval_thissec) << 8; |
b9342840 |
991 | if (tval_diff > lim_time && (frames_done/16 < frames_shown)) |
703e4c7b |
992 | { |
993 | // no time left for this frame - skip |
994 | if (tval_diff - lim_time >= (300000<<8)) { |
703e4c7b |
995 | reset_timing = 1; |
996 | continue; |
997 | } |
998 | updateKeys(); |
999 | SkipFrame(); frames_done++; |
1000 | continue; |
1001 | } |
1002 | } |
1003 | |
1004 | updateKeys(); |
1005 | |
1006 | if (!(PicoOpt&0x10)) |
db298784 |
1007 | EmuScanPrepare(); |
703e4c7b |
1008 | |
1009 | PicoFrame(); |
1010 | |
4b8f4f3c |
1011 | sceGuSync(0,0); |
703e4c7b |
1012 | |
1013 | // check time |
1014 | tval = sceKernelGetSystemTimeLow(); |
1015 | tval_diff = (int)(tval - tval_thissec) << 8; |
1016 | |
4b8f4f3c |
1017 | blit2(fpsbuff, notice, tval_diff > lim_time); |
1018 | |
703e4c7b |
1019 | if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection |
1020 | reset_timing = 1; |
1021 | else if (PsndOut != NULL || currentConfig.Frameskip < 0) |
1022 | { |
1023 | // sleep if we are still too fast |
1024 | if (tval_diff < lim_time) |
1025 | { |
1026 | // we are too fast |
1027 | simpleWait(tval + ((lim_time - tval_diff) >> 8)); |
1028 | } |
1029 | } |
1030 | |
1031 | frames_done++; frames_shown++; |
1032 | } |
1033 | |
1034 | |
1035 | if (PicoMCD & 1) PicoCDBufferFree(); |
0953046b |
1036 | |
703e4c7b |
1037 | if (PsndOut != NULL) { |
0953046b |
1038 | PsndOut = NULL; |
1039 | sound_end(); |
703e4c7b |
1040 | } |
0953046b |
1041 | |
703e4c7b |
1042 | // save SRAM |
1043 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
6f748c47 |
1044 | emu_msg_cb("Writing SRAM/BRAM.."); |
703e4c7b |
1045 | emu_SaveLoadGame(0, 1); |
1046 | SRam.changed = 0; |
1047 | } |
0953046b |
1048 | |
a52e1f62 |
1049 | // clear fps counters and stuff |
5ecedd0c |
1050 | memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4); |
703e4c7b |
1051 | } |
1052 | |
1053 | |
2951214e |
1054 | void emu_ResetGame(void) |
1055 | { |
1056 | PicoReset(0); |
703e4c7b |
1057 | reset_timing = 1; |
2951214e |
1058 | } |
1059 | |