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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> |
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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" |
14 | #include "../common/emu.h" |
15 | #include "../common/lprintf.h" |
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16 | #include "../../Pico/PicoInt.h" |
17 | |
6f748c47 |
18 | #define OSD_FPS_X 420 |
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19 | |
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20 | // additional pspaudio imports, credits to crazyc |
21 | int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown); // play with conversion? |
22 | int sceAudio_5C37C0AE(void); // end play? |
23 | int sceAudio_E0727056(int volume, void *buffer); // blocking output |
24 | int sceAudioOutput2GetRestSample(); |
25 | |
26 | |
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27 | char romFileName[PATH_MAX]; |
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28 | unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword.. |
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29 | int engineState; |
30 | |
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31 | static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos |
32 | static unsigned int noticeMsgTime = 0; |
33 | int reset_timing = 0; // do we need this? |
34 | |
35 | |
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36 | static void sound_init(void); |
37 | static void sound_deinit(void); |
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38 | static void blit2(const char *fps, const char *notice); |
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39 | static void clearArea(int full); |
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40 | |
41 | void emu_noticeMsgUpdated(void) |
42 | { |
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43 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
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44 | } |
45 | |
46 | void emu_getMainDir(char *dst, int len) |
47 | { |
703e4c7b |
48 | if (len > 0) *dst = 0; |
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49 | } |
50 | |
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51 | static void osd_text(int x, const char *text, int is_active) |
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52 | { |
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53 | unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen; |
54 | int len = strlen(text) * 8 / 2; |
55 | int *p, h; |
56 | void *tmp; |
57 | for (h = 0; h < 8; h++) { |
58 | p = (int *) (screen+x+512*(264+h)); |
59 | p = (int *) ((int)p & ~3); // align |
60 | memset32(p, 0, len); |
61 | } |
62 | if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks |
63 | emu_textOut16(x, 264, text); |
64 | if (is_active) psp_screen = tmp; |
65 | } |
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66 | |
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67 | void emu_msg_cb(const char *msg) |
68 | { |
69 | osd_text(4, msg, 1); |
703e4c7b |
70 | noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000; |
71 | |
72 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */ |
73 | reset_timing = 1; |
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74 | } |
75 | |
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76 | static void emu_msg_tray_open(void) |
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77 | { |
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78 | strcpy(noticeMsg, "CD tray opened"); |
79 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
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80 | } |
81 | |
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82 | |
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83 | void emu_Init(void) |
84 | { |
85 | // make dirs for saves, cfgs, etc. |
86 | mkdir("mds", 0777); |
87 | mkdir("srm", 0777); |
88 | mkdir("brm", 0777); |
89 | mkdir("cfg", 0777); |
90 | |
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91 | sound_init(); |
92 | |
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93 | PicoInit(); |
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94 | PicoMessage = emu_msg_cb; |
95 | PicoMCDopenTray = emu_msg_tray_open; |
96 | PicoMCDcloseTray = menu_loop_tray; |
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97 | } |
98 | |
99 | void emu_Deinit(void) |
100 | { |
101 | // save SRAM |
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102 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
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103 | emu_SaveLoadGame(0, 1); |
104 | SRam.changed = 0; |
105 | } |
106 | |
107 | if (!(currentConfig.EmuOpt & 0x20)) { |
108 | FILE *f = fopen(PicoConfigFile, "r+b"); |
109 | if (!f) emu_WriteConfig(0); |
110 | else { |
111 | // if we already have config, reload it, except last ROM |
112 | fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET); |
113 | fread(¤tConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f); |
114 | fseek(f, 0, SEEK_SET); |
115 | fwrite(¤tConfig, 1, sizeof(currentConfig), f); |
116 | fflush(f); |
117 | fclose(f); |
118 | } |
119 | } |
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120 | |
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121 | PicoExit(); |
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122 | sound_deinit(); |
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123 | } |
124 | |
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125 | void emu_setDefaultConfig(void) |
126 | { |
127 | memset(¤tConfig, 0, sizeof(currentConfig)); |
128 | currentConfig.lastRomFile[0] = 0; |
129 | currentConfig.EmuOpt = 0x1f | 0x680; // | confirm_save, cd_leds, 16bit rend |
2aea862d |
130 | currentConfig.PicoOpt = 0x0f | 0xc00; // | cd_pcm, cd_cdda |
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131 | currentConfig.PsndRate = 22050; |
132 | currentConfig.PicoRegion = 0; // auto |
133 | currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP |
134 | currentConfig.Frameskip = -1; // auto |
135 | currentConfig.volume = 50; |
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136 | currentConfig.CPUclock = 222; |
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137 | currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU |
138 | currentConfig.KeyBinds[ 6] = 1<<1; |
139 | currentConfig.KeyBinds[ 7] = 1<<2; |
140 | currentConfig.KeyBinds[ 5] = 1<<3; |
141 | currentConfig.KeyBinds[14] = 1<<4; |
142 | currentConfig.KeyBinds[13] = 1<<5; |
143 | currentConfig.KeyBinds[15] = 1<<6; |
144 | currentConfig.KeyBinds[ 3] = 1<<7; |
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145 | currentConfig.KeyBinds[ 8] = 1<<27; // save state |
146 | currentConfig.KeyBinds[ 9] = 1<<28; // load state |
147 | currentConfig.PicoCDBuffers = 0; |
6f748c47 |
148 | currentConfig.scaling = 1; // bilinear filtering for psp |
149 | currentConfig.scale = currentConfig.hscale32 = currentConfig.hscale40 = 1.0; |
703e4c7b |
150 | } |
151 | |
152 | |
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153 | extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count); |
db298784 |
154 | |
155 | struct Vertex |
156 | { |
157 | short u,v; |
158 | short x,y,z; |
159 | }; |
160 | |
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161 | static struct Vertex __attribute__((aligned(4))) g_vertices[2]; |
162 | static unsigned short __attribute__((aligned(16))) localPal[0x100]; |
163 | static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0; |
164 | static int fbimg_offs = 0; |
165 | |
166 | static void set_scaling_params(void) |
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167 | { |
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168 | int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs; |
169 | g_vertices[0].x = g_vertices[0].y = |
170 | g_vertices[0].z = g_vertices[1].z = 0; |
171 | |
172 | fbimg_height = (int)(240.0 * currentConfig.scale + 0.5); |
173 | if (Pico.video.reg[12] & 1) { |
174 | fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5); |
175 | src_width = 320; |
176 | } else { |
177 | fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5); |
178 | src_width = 256; |
179 | } |
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180 | |
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181 | if (fbimg_width >= 480) { |
182 | g_vertices[0].u = (fbimg_width-480)/2; |
183 | g_vertices[1].u = src_width - (fbimg_width-480)/2; |
184 | fbimg_width = 480; |
185 | fbimg_xoffs = 0; |
186 | } else { |
187 | g_vertices[0].u = 0; |
188 | g_vertices[1].u = src_width; |
189 | fbimg_xoffs = 240 - fbimg_width/2; |
190 | } |
191 | |
192 | if (fbimg_height >= 272) { |
193 | g_vertices[0].v = (fbimg_height-272)/2; |
194 | g_vertices[1].v = 240 - (fbimg_height-272)/2; |
195 | fbimg_height = 272; |
196 | fbimg_yoffs = 0; |
197 | } else { |
198 | g_vertices[0].v = 0; |
199 | g_vertices[1].v = 240; |
200 | fbimg_yoffs = 136 - fbimg_height/2; |
201 | } |
202 | |
203 | g_vertices[1].x = fbimg_width; |
204 | g_vertices[1].y = fbimg_height; |
205 | if (fbimg_xoffs < 0) fbimg_xoffs = 0; |
206 | if (fbimg_yoffs < 0) fbimg_yoffs = 0; |
207 | fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit |
208 | |
a52e1f62 |
209 | /* |
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210 | lprintf("set_scaling_params:\n"); |
211 | lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs); |
212 | lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y); |
213 | lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v); |
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214 | */ |
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215 | } |
216 | |
a52e1f62 |
217 | static void do_pal_update(int allow_sh) |
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218 | { |
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219 | unsigned int *spal=(void *)Pico.cram; |
220 | unsigned int *dpal=(void *)localPal; |
221 | int i; |
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222 | |
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223 | for (i = 0x3f/2; i >= 0; i--) |
224 | dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4); |
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225 | |
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226 | if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight? |
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227 | { |
228 | // shadowed pixels |
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229 | for (i = 0x3f/2; i >= 0; i--) |
a52e1f62 |
230 | dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x738e738e; |
6f748c47 |
231 | // hilighted pixels |
232 | for (i = 0x3f; i >= 0; i--) { |
233 | int t=localPal[i]&0xe71c;t+=0x4208; |
234 | if (t&0x20) t|=0x1c; |
235 | if (t&0x800) t|=0x700; |
236 | if (t&0x10000) t|=0xe000; |
237 | t&=0xe71c; |
238 | localPal[0x80|i]=(unsigned short)t; |
239 | } |
240 | localPal[0xe0] = 0; |
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241 | } |
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242 | Pico.m.dirtyPal = 0; |
243 | need_pal_upload = 1; |
244 | } |
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245 | |
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246 | static void do_slowmode_lines(int line_to) |
247 | { |
248 | int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256; |
249 | unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2; |
250 | unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16; |
251 | if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; } |
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252 | |
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253 | for (; line < line_to; line++, dst+=512, src+=512) |
254 | amips_clut(dst, src, localPal, line_len); |
255 | } |
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256 | |
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257 | static void EmuScanPrepare(void) |
258 | { |
259 | HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8; |
260 | if (!(Pico.video.reg[1]&8)) HighCol += 8*512; |
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261 | |
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262 | dynamic_palette = 0; |
263 | if (Pico.m.dirtyPal) |
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264 | do_pal_update(1); |
6f748c47 |
265 | } |
266 | |
267 | static int EmuScanSlow(unsigned int num, void *sdata) |
268 | { |
269 | if (!(Pico.video.reg[1]&8)) num += 8; |
270 | |
271 | if (Pico.m.dirtyPal) { |
272 | if (!dynamic_palette) { |
273 | do_slowmode_lines(num); |
274 | dynamic_palette = 1; |
275 | } |
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276 | do_pal_update(1); |
6f748c47 |
277 | } |
278 | |
279 | if (dynamic_palette) { |
280 | int line_len = (Pico.video.reg[12]&1) ? 320 : 256; |
281 | void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num; |
282 | amips_clut(dst, HighCol + 8, localPal, line_len); |
283 | } else |
284 | HighCol = (unsigned char *)VRAM_CACHED_STUFF + (num+1)*512 + 8; |
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285 | |
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286 | return 0; |
287 | } |
288 | |
6f748c47 |
289 | static void blitscreen_clut(void) |
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290 | { |
6f748c47 |
291 | int offs = fbimg_offs; |
292 | offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1; |
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293 | |
db298784 |
294 | sceGuSync(0,0); // sync with prev |
295 | sceGuStart(GU_DIRECT, guCmdList); |
6f748c47 |
296 | sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer |
db298784 |
297 | |
6f748c47 |
298 | if (dynamic_palette) |
299 | { |
300 | if (!blit_16bit_mode) { |
301 | sceGuTexMode(GU_PSM_5650, 0, 0, 0); |
302 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240); |
db298784 |
303 | |
6f748c47 |
304 | blit_16bit_mode = 1; |
305 | } |
db298784 |
306 | } |
6f748c47 |
307 | else |
db298784 |
308 | { |
6f748c47 |
309 | if (blit_16bit_mode) { |
310 | sceGuClutMode(GU_PSM_5650,0,0xff,0); |
311 | sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image |
312 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16); |
313 | blit_16bit_mode = 0; |
314 | } |
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315 | |
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316 | if ((PicoOpt&0x10) && Pico.m.dirtyPal) |
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317 | do_pal_update(0); |
318 | |
319 | sceKernelDcacheWritebackAll(); |
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320 | |
6f748c47 |
321 | if (need_pal_upload) { |
322 | need_pal_upload = 0; |
323 | sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) |
324 | } |
325 | } |
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326 | |
6f748c47 |
327 | #if 1 |
328 | if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x) |
329 | { |
330 | struct Vertex* vertices; |
331 | int x; |
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332 | |
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333 | #define SLICE_WIDTH 32 |
334 | for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH) |
335 | { |
336 | // render sprite |
337 | vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex)); |
338 | memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex)); |
339 | vertices[0].u = vertices[0].x = x; |
340 | vertices[1].u = vertices[1].x = x + SLICE_WIDTH; |
341 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices); |
342 | } |
343 | // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only |
703e4c7b |
344 | } |
6f748c47 |
345 | else |
346 | #endif |
347 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices); |
348 | |
349 | sceGuFinish(); |
703e4c7b |
350 | } |
351 | |
352 | |
353 | static void cd_leds(void) |
354 | { |
355 | static int old_reg = 0; |
356 | unsigned int col_g, col_r, *p; |
357 | |
358 | if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change |
359 | old_reg = Pico_mcd->s68k_regs[0]; |
360 | |
361 | p = (unsigned int *)((short *)psp_screen + 512*2+4+2); |
362 | col_g = (old_reg & 2) ? 0x06000600 : 0; |
363 | col_r = (old_reg & 1) ? 0xc000c000 : 0; |
364 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
365 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
366 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; |
367 | } |
368 | |
369 | |
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370 | static void dbg_text(void) |
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371 | { |
6f748c47 |
372 | int *p, h, len; |
373 | char text[128]; |
703e4c7b |
374 | |
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375 | sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode); |
376 | len = strlen(text) * 8 / 2; |
377 | for (h = 0; h < 8; h++) { |
378 | p = (int *) ((unsigned short *) psp_screen+2+512*(256+h)); |
379 | p = (int *) ((int)p & ~3); // align |
380 | memset32(p, 0, len); |
703e4c7b |
381 | } |
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382 | emu_textOut16(2, 256, text); |
383 | } |
384 | |
385 | |
386 | /* called after rendering is done, but frame emulation is not finished */ |
387 | void blit1(void) |
388 | { |
389 | if (PicoOpt&0x10) |
703e4c7b |
390 | { |
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391 | int i; |
392 | unsigned char *pd; |
393 | // clear top and bottom trash |
394 | for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512) |
395 | memset32((int *)pd, 0xe0e0e0e0, 320/4); |
396 | for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512) |
397 | memset32((int *)pd, 0xe0e0e0e0, 320/4); |
703e4c7b |
398 | } |
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399 | |
400 | blitscreen_clut(); |
401 | } |
402 | |
403 | |
404 | static void blit2(const char *fps, const char *notice) |
405 | { |
406 | int emu_opt = currentConfig.EmuOpt; |
407 | |
408 | sceGuSync(0,0); |
703e4c7b |
409 | |
410 | if (notice || (emu_opt & 2)) { |
6f748c47 |
411 | if (notice) osd_text(4, notice, 0); |
412 | if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0); |
703e4c7b |
413 | } |
414 | |
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415 | dbg_text(); |
416 | |
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417 | if ((emu_opt & 0x400) && (PicoMCD & 1)) |
418 | cd_leds(); |
419 | |
420 | psp_video_flip(0); |
421 | } |
422 | |
423 | // clears whole screen or just the notice area (in all buffers) |
424 | static void clearArea(int full) |
425 | { |
426 | if (full) { |
427 | memset32(psp_screen, 0, 512*272*2/4); |
428 | psp_video_flip(0); |
429 | memset32(psp_screen, 0, 512*272*2/4); |
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430 | memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4); |
431 | memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4); |
703e4c7b |
432 | } else { |
433 | void *fb = psp_video_get_active_fb(); |
434 | memset32((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4); |
435 | memset32((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); |
436 | } |
437 | } |
438 | |
439 | static void vidResetMode(void) |
440 | { |
db298784 |
441 | // setup GU |
442 | sceGuSync(0,0); // sync with prev |
443 | sceGuStart(GU_DIRECT, guCmdList); |
444 | |
445 | sceGuClutMode(GU_PSM_5650,0,0xff,0); |
db298784 |
446 | sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image |
447 | sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB); |
6f748c47 |
448 | if (currentConfig.scaling) |
449 | sceGuTexFilter(GU_LINEAR, GU_LINEAR); |
450 | else sceGuTexFilter(GU_NEAREST, GU_NEAREST); |
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451 | sceGuTexScale(1.0f,1.0f); |
452 | sceGuTexOffset(0.0f,0.0f); |
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453 | |
6f748c47 |
454 | sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16); |
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455 | |
6f748c47 |
456 | // slow rend. |
457 | PicoDrawSetColorFormat(-1); |
458 | PicoScan = EmuScanSlow; |
db298784 |
459 | |
6f748c47 |
460 | localPal[0xe0] = 0; |
703e4c7b |
461 | Pico.m.dirtyPal = 1; |
6f748c47 |
462 | blit_16bit_mode = dynamic_palette = 0; |
703e4c7b |
463 | |
db298784 |
464 | sceGuFinish(); |
6f748c47 |
465 | set_scaling_params(); |
db298784 |
466 | sceGuSync(0,0); |
703e4c7b |
467 | } |
6f748c47 |
468 | |
0953046b |
469 | |
470 | /* sound stuff */ |
2aea862d |
471 | #define SOUND_BLOCK_SIZE_NTSC (2940*2) // 1024 // 1152 |
472 | #define SOUND_BLOCK_SIZE_PAL (3528*2) |
0953046b |
473 | #define SOUND_BLOCK_COUNT 4 |
474 | |
2aea862d |
475 | static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2]; |
476 | static short *snd_playptr = NULL, *sndBuffer_endptr = NULL; |
477 | static int samples_made = 0, samples_done = 0, samples_block = 0; |
0953046b |
478 | static int sound_thread_exit = 0; |
479 | static SceUID sound_sem = -1; |
480 | |
481 | static void writeSound(int len); |
482 | |
483 | static int sound_thread(SceSize args, void *argp) |
703e4c7b |
484 | { |
0953046b |
485 | int ret; |
486 | |
487 | lprintf("sound_thread: started, priority %i\n", sceKernelGetThreadCurrentPriority()); |
488 | |
489 | while (!sound_thread_exit) |
490 | { |
491 | if (samples_made - samples_done < samples_block) { |
492 | // wait for data... |
493 | //lprintf("sthr: wait... (%i/%i)\n", samples_done, samples_made); |
494 | ret = sceKernelWaitSema(sound_sem, 1, 0); |
495 | //lprintf("sthr: sceKernelWaitSema: %i\n", ret); |
496 | continue; |
497 | } |
498 | |
499 | //lprintf("sthr: got data: %i\n", samples_made - samples_done); |
500 | |
501 | ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr); |
502 | |
503 | samples_done += samples_block; |
504 | snd_playptr += samples_block; |
2aea862d |
505 | if (snd_playptr >= sndBuffer_endptr) |
0953046b |
506 | snd_playptr = sndBuffer; |
507 | if (ret) |
508 | lprintf("sthr: outf: %i; pos %i/%i\n", ret, samples_done, samples_made); |
509 | } |
510 | |
511 | lprintf("sthr: exit\n"); |
512 | sceKernelExitDeleteThread(0); |
513 | return 0; |
514 | } |
515 | |
516 | static void sound_init(void) |
517 | { |
518 | SceUID thid; |
519 | |
520 | sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL); |
521 | if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem); |
522 | |
523 | sound_thread_exit = 0; |
524 | thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL); |
525 | if (thid >= 0) |
526 | { |
527 | sceKernelStartThread(thid, 0, 0); |
528 | } |
529 | else |
530 | lprintf("sceKernelCreateThread failed: %i\n", thid); |
531 | } |
532 | |
533 | static void sound_prepare(void) |
534 | { |
535 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; |
536 | int ret, stereo; |
537 | |
538 | samples_made = samples_done = 0; |
539 | |
540 | if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) { |
541 | sound_rerate(Pico.m.frame_count ? 1 : 0); |
542 | } |
543 | stereo=(PicoOpt&8)>>3; |
2aea862d |
544 | |
545 | samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC; |
546 | if (PsndRate == 22050) samples_block /= 2; |
547 | else if (PsndRate == 11025) samples_block /= 4; |
548 | sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT]; |
0953046b |
549 | |
550 | lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n", |
551 | PsndRate, PsndLen, stereo, Pico.m.pal, samples_block); |
552 | |
553 | while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100); |
554 | sceAudio_5C37C0AE(); |
2aea862d |
555 | ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment |
0953046b |
556 | if (ret < 0) { |
557 | lprintf("sceAudio_38553111() failed: %i\n", ret); |
558 | sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret); |
559 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
560 | currentConfig.EmuOpt &= ~4; |
561 | } else { |
0953046b |
562 | PicoWriteSound = writeSound; |
563 | memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4); |
2aea862d |
564 | snd_playptr = sndBuffer_endptr - samples_block; |
565 | samples_made = samples_block; // send 1 empty block first.. |
0953046b |
566 | PsndOut = sndBuffer; |
567 | PsndRate_old = PsndRate; |
568 | PicoOpt_old = PicoOpt; |
569 | pal_old = Pico.m.pal; |
570 | } |
571 | } |
572 | |
573 | static void sound_end(void) |
574 | { |
a52e1f62 |
575 | samples_made = samples_done = 0; |
576 | while (sceAudioOutput2GetRestSample() > 0) |
2aea862d |
577 | psp_msleep(100); |
578 | sceAudio_5C37C0AE(); |
0953046b |
579 | } |
580 | |
581 | static void sound_deinit(void) |
582 | { |
583 | sound_thread_exit = 1; |
584 | sceKernelSignalSema(sound_sem, 1); |
a52e1f62 |
585 | sceKernelDeleteSema(sound_sem); |
586 | sound_sem = -1; |
0953046b |
587 | } |
588 | |
589 | static void writeSound(int len) |
590 | { |
591 | int ret; |
703e4c7b |
592 | if (PicoOpt&8) len<<=1; |
593 | |
0953046b |
594 | PsndOut += len; |
2aea862d |
595 | /*if (PsndOut > sndBuffer_endptr) { |
0953046b |
596 | memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2); |
597 | PsndOut = &sndBuffer[PsndOut - endptr]; |
2aea862d |
598 | lprintf("mov\n"); |
0953046b |
599 | } |
2aea862d |
600 | else*/ |
601 | if (PsndOut >= sndBuffer_endptr) |
602 | PsndOut = sndBuffer; |
0953046b |
603 | |
604 | // signal the snd thread |
605 | samples_made += len; |
606 | if (samples_made - samples_done >= samples_block) { |
2aea862d |
607 | // lprintf("signal, %i/%i\n", samples_done, samples_made); |
0953046b |
608 | ret = sceKernelSignalSema(sound_sem, 1); |
2aea862d |
609 | // lprintf("signal ret %i\n", ret); |
0953046b |
610 | } |
703e4c7b |
611 | } |
0953046b |
612 | |
703e4c7b |
613 | |
614 | static void SkipFrame(void) |
615 | { |
616 | PicoSkipFrame=1; |
617 | PicoFrame(); |
618 | PicoSkipFrame=0; |
619 | } |
620 | |
621 | void emu_forcedFrame(void) |
622 | { |
623 | int po_old = PicoOpt; |
624 | int eo_old = currentConfig.EmuOpt; |
625 | |
626 | PicoOpt &= ~0x0010; |
627 | PicoOpt |= 0x4080; // soft_scale | acc_sprites |
628 | currentConfig.EmuOpt |= 0x80; |
629 | |
6f748c47 |
630 | vidResetMode(); |
631 | memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders |
632 | memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4); |
0953046b |
633 | memset32((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4); |
6f748c47 |
634 | |
635 | PicoDrawSetColorFormat(-1); |
636 | PicoScan = EmuScanSlow; |
db298784 |
637 | EmuScanPrepare(); |
703e4c7b |
638 | PicoFrameDrawOnly(); |
6f748c47 |
639 | blit1(); |
640 | sceGuSync(0,0); |
703e4c7b |
641 | |
642 | PicoOpt = po_old; |
643 | currentConfig.EmuOpt = eo_old; |
644 | } |
645 | |
646 | |
647 | static void RunEvents(unsigned int which) |
648 | { |
649 | if (which & 0x1800) // save or load (but not both) |
650 | { |
651 | int do_it = 1; |
652 | |
653 | if ( emu_checkSaveFile(state_slot) && |
654 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load |
655 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save |
656 | { |
657 | int keys; |
6f748c47 |
658 | blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)"); |
703e4c7b |
659 | while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) |
660 | psp_msleep(50); |
661 | if (keys & BTN_CIRCLE) do_it = 0; |
662 | while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release |
663 | psp_msleep(50); |
664 | clearArea(0); |
665 | } |
666 | |
667 | if (do_it) |
668 | { |
6f748c47 |
669 | osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1); |
670 | PicoStateProgressCB = emu_msg_cb; |
703e4c7b |
671 | emu_SaveLoadGame((which & 0x1000) >> 12, 0); |
672 | PicoStateProgressCB = NULL; |
673 | psp_msleep(0); |
674 | } |
675 | |
676 | reset_timing = 1; |
677 | } |
678 | if (which & 0x0400) // switch renderer |
679 | { |
680 | if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; } |
681 | else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; } |
682 | |
683 | vidResetMode(); |
684 | |
685 | if (PicoOpt&0x10) { |
686 | strcpy(noticeMsg, " 8bit fast renderer"); |
687 | } else if (currentConfig.EmuOpt&0x80) { |
688 | strcpy(noticeMsg, "16bit accurate renderer"); |
689 | } else { |
690 | strcpy(noticeMsg, " 8bit accurate renderer"); |
691 | } |
692 | |
693 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
694 | } |
695 | if (which & 0x0300) |
696 | { |
697 | if(which&0x0200) { |
698 | state_slot -= 1; |
699 | if(state_slot < 0) state_slot = 9; |
700 | } else { |
701 | state_slot += 1; |
702 | if(state_slot > 9) state_slot = 0; |
703 | } |
704 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE"); |
705 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
706 | } |
707 | } |
708 | |
709 | static void updateKeys(void) |
710 | { |
711 | unsigned int keys, allActions[2] = { 0, 0 }, events; |
712 | static unsigned int prevEvents = 0; |
713 | int i; |
714 | |
715 | keys = psp_pad_read(0); |
2b90fc61 |
716 | if (keys & PSP_CTRL_HOME) |
717 | sceDisplayWaitVblankStart(); |
718 | |
703e4c7b |
719 | if (keys & BTN_SELECT) |
720 | engineState = PGS_Menu; |
721 | |
722 | keys &= CONFIGURABLE_KEYS; |
723 | |
724 | for (i = 0; i < 32; i++) |
725 | { |
726 | if (keys & (1 << i)) |
727 | { |
728 | int pl, acts = currentConfig.KeyBinds[i]; |
729 | if (!acts) continue; |
730 | pl = (acts >> 16) & 1; |
731 | if (combo_keys & (1 << i)) |
732 | { |
733 | int u = i+1, acts_c = acts & combo_acts; |
734 | // let's try to find the other one |
735 | if (acts_c) |
736 | for (; u < 32; u++) |
737 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) { |
738 | allActions[pl] |= acts_c; |
739 | keys &= ~((1 << i) | (1 << u)); |
740 | break; |
741 | } |
742 | // add non-combo actions if combo ones were not found |
743 | if (!acts_c || u == 32) |
744 | allActions[pl] |= acts & ~combo_acts; |
745 | } else { |
746 | allActions[pl] |= acts; |
747 | } |
748 | } |
749 | } |
750 | |
751 | PicoPad[0] = (unsigned short) allActions[0]; |
752 | PicoPad[1] = (unsigned short) allActions[1]; |
753 | |
754 | events = (allActions[0] | allActions[1]) >> 16; |
755 | |
756 | // volume is treated in special way and triggered every frame |
757 | if ((events & 0x6000) && PsndOut != NULL) |
758 | { |
759 | int vol = currentConfig.volume; |
760 | if (events & 0x2000) { |
761 | if (vol < 100) vol++; |
762 | } else { |
763 | if (vol > 0) vol--; |
764 | } |
765 | // FrameworkAudio_SetVolume(vol, vol); // TODO |
766 | sprintf(noticeMsg, "VOL: %02i ", vol); |
767 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
768 | currentConfig.volume = vol; |
769 | } |
770 | |
771 | events &= ~prevEvents; |
772 | if (events) RunEvents(events); |
773 | if (movie_data) emu_updateMovie(); |
774 | |
775 | prevEvents = (allActions[0] | allActions[1]) >> 16; |
776 | } |
777 | |
778 | static void find_combos(void) |
779 | { |
780 | int act, u; |
781 | |
782 | // find out which keys and actions are combos |
783 | combo_keys = combo_acts = 0; |
784 | for (act = 0; act < 32; act++) |
785 | { |
786 | int keyc = 0; |
787 | if (act == 16 || act == 17) continue; // player2 flag |
788 | for (u = 0; u < 32; u++) |
789 | { |
790 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++; |
791 | } |
792 | if (keyc > 1) |
793 | { |
794 | // loop again and mark those keys and actions as combo |
795 | for (u = 0; u < 32; u++) |
796 | { |
797 | if (currentConfig.KeyBinds[u] & (1 << act)) { |
798 | combo_keys |= 1 << u; |
799 | combo_acts |= 1 << act; |
800 | } |
801 | } |
802 | } |
803 | } |
804 | } |
805 | |
806 | |
807 | static void simpleWait(unsigned int until) |
808 | { |
809 | unsigned int tval; |
810 | int diff; |
811 | |
812 | tval = sceKernelGetSystemTimeLow(); |
813 | diff = (int)until - (int)tval; |
814 | if (diff >= 512 && diff < 100*1024) |
815 | sceKernelDelayThread(diff); |
816 | } |
817 | |
818 | void emu_Loop(void) |
819 | { |
703e4c7b |
820 | char fpsbuff[24]; // fps count c string |
821 | unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing |
822 | int frames_done = 0, frames_shown = 0, oldmodes = 0; |
823 | int target_fps, target_frametime, lim_time, tval_diff, i; |
824 | char *notice = NULL; |
825 | |
826 | lprintf("entered emu_Loop()\n"); |
827 | |
828 | fpsbuff[0] = 0; |
829 | |
2b90fc61 |
830 | if (currentConfig.CPUclock != psp_get_cpu_clock()) { |
831 | lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock); |
832 | i = psp_set_cpu_clock(currentConfig.CPUclock); |
833 | lprintf(i ? "failed\n" : "done\n"); |
834 | currentConfig.CPUclock = psp_get_cpu_clock(); |
835 | } |
836 | |
703e4c7b |
837 | // make sure we are in correct mode |
838 | vidResetMode(); |
6f748c47 |
839 | clearArea(1); |
703e4c7b |
840 | Pico.m.dirtyPal = 1; |
841 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; |
842 | find_combos(); |
843 | |
844 | // pal/ntsc might have changed, reset related stuff |
845 | target_fps = Pico.m.pal ? 50 : 60; |
846 | target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1; |
847 | reset_timing = 1; |
848 | |
849 | // prepare CD buffer |
850 | if (PicoMCD & 1) PicoCDBufferInit(); |
851 | |
852 | // prepare sound stuff |
853 | PsndOut = NULL; |
703e4c7b |
854 | if (currentConfig.EmuOpt & 4) |
855 | { |
0953046b |
856 | sound_prepare(); |
703e4c7b |
857 | } |
703e4c7b |
858 | |
859 | // loop? |
860 | while (engineState == PGS_Running) |
861 | { |
862 | int modes; |
863 | |
864 | tval = sceKernelGetSystemTimeLow(); |
865 | if (reset_timing || tval < tval_prev) { |
866 | //stdbg("timing reset"); |
867 | reset_timing = 0; |
868 | tval_thissec = tval; |
869 | frames_shown = frames_done = 0; |
870 | } |
871 | |
872 | // show notice message? |
873 | if (noticeMsgTime) { |
874 | static int noticeMsgSum; |
875 | if (tval - noticeMsgTime > 2000000) { // > 2.0 sec |
876 | noticeMsgTime = 0; |
877 | clearArea(0); |
878 | notice = 0; |
879 | } else { |
880 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2]; |
881 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; } |
882 | notice = noticeMsg; |
883 | } |
884 | } |
885 | |
886 | // check for mode changes |
887 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8); |
888 | if (modes != oldmodes) { |
889 | oldmodes = modes; |
890 | clearArea(1); |
6f748c47 |
891 | set_scaling_params(); |
703e4c7b |
892 | } |
893 | |
894 | // second passed? |
895 | if (tval - tval_thissec >= 1000000) |
896 | { |
2aea862d |
897 | // missing 1 frame? |
898 | if (currentConfig.Frameskip < 0 && frames_done < target_fps) { |
899 | SkipFrame(); frames_done++; |
703e4c7b |
900 | } |
2aea862d |
901 | |
902 | if (currentConfig.EmuOpt & 2) |
903 | sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done); |
904 | |
703e4c7b |
905 | tval_thissec += 1000000; |
906 | |
907 | if (currentConfig.Frameskip < 0) { |
908 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0; |
909 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0; |
910 | if (frames_shown > frames_done) frames_shown = frames_done; |
911 | } else { |
912 | frames_done = frames_shown = 0; |
913 | } |
914 | } |
915 | #ifdef PFRAMES |
916 | sprintf(fpsbuff, "%i", Pico.m.frame_count); |
917 | #endif |
918 | |
919 | tval_prev = tval; |
920 | lim_time = (frames_done+1) * target_frametime; |
921 | if (currentConfig.Frameskip >= 0) // frameskip enabled |
922 | { |
923 | for (i = 0; i < currentConfig.Frameskip; i++) { |
924 | updateKeys(); |
925 | SkipFrame(); frames_done++; |
926 | if (PsndOut) { // do framelimitting if sound is enabled |
927 | int tval_diff; |
928 | tval = sceKernelGetSystemTimeLow(); |
929 | tval_diff = (int)(tval - tval_thissec) << 8; |
930 | if (tval_diff < lim_time) // we are too fast |
931 | simpleWait(tval + ((lim_time - tval_diff)>>8)); |
932 | } |
933 | lim_time += target_frametime; |
934 | } |
935 | } |
936 | else // auto frameskip |
937 | { |
938 | int tval_diff; |
939 | tval = sceKernelGetSystemTimeLow(); |
940 | tval_diff = (int)(tval - tval_thissec) << 8; |
941 | if (tval_diff > lim_time) |
942 | { |
943 | // no time left for this frame - skip |
944 | if (tval_diff - lim_time >= (300000<<8)) { |
945 | /* something caused a slowdown for us (disk access? cache flush?) |
946 | * try to recover by resetting timing... */ |
947 | reset_timing = 1; |
948 | continue; |
949 | } |
950 | updateKeys(); |
951 | SkipFrame(); frames_done++; |
952 | continue; |
953 | } |
954 | } |
955 | |
956 | updateKeys(); |
957 | |
958 | if (!(PicoOpt&0x10)) |
db298784 |
959 | EmuScanPrepare(); |
703e4c7b |
960 | |
961 | PicoFrame(); |
962 | |
6f748c47 |
963 | blit2(fpsbuff, notice); |
703e4c7b |
964 | |
965 | // check time |
966 | tval = sceKernelGetSystemTimeLow(); |
967 | tval_diff = (int)(tval - tval_thissec) << 8; |
968 | |
969 | if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection |
970 | reset_timing = 1; |
971 | else if (PsndOut != NULL || currentConfig.Frameskip < 0) |
972 | { |
973 | // sleep if we are still too fast |
974 | if (tval_diff < lim_time) |
975 | { |
976 | // we are too fast |
977 | simpleWait(tval + ((lim_time - tval_diff) >> 8)); |
978 | } |
979 | } |
980 | |
981 | frames_done++; frames_shown++; |
982 | } |
983 | |
984 | |
985 | if (PicoMCD & 1) PicoCDBufferFree(); |
0953046b |
986 | |
703e4c7b |
987 | if (PsndOut != NULL) { |
0953046b |
988 | PsndOut = NULL; |
989 | sound_end(); |
703e4c7b |
990 | } |
0953046b |
991 | |
703e4c7b |
992 | // save SRAM |
993 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
6f748c47 |
994 | emu_msg_cb("Writing SRAM/BRAM.."); |
703e4c7b |
995 | emu_SaveLoadGame(0, 1); |
996 | SRam.changed = 0; |
997 | } |
0953046b |
998 | |
a52e1f62 |
999 | // clear fps counters and stuff |
1000 | memset32((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4); |
703e4c7b |
1001 | } |
1002 | |
1003 | |
2951214e |
1004 | void emu_ResetGame(void) |
1005 | { |
1006 | PicoReset(0); |
703e4c7b |
1007 | reset_timing = 1; |
2951214e |
1008 | } |
1009 | |