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1 | #include <windows.h> |
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2 | #include <string.h> |
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3 | |
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4 | #include <sys/stat.h> // mkdir |
5 | #include <sys/types.h> |
6 | |
7 | #include "kgsdk/Framework.h" |
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8 | #include "kgsdk/Framework2D.h" |
9 | #include "kgsdk/FrameworkAudio.h" |
10 | #include "../common/emu.h" |
11 | #include "../common/lprintf.h" |
12 | #include "../common/arm_utils.h" |
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13 | #include "../common/config.h" |
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14 | #include "emu.h" |
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15 | #include "menu.h" |
16 | #include "giz.h" |
17 | #include "asm_utils.h" |
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18 | |
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19 | #include <pico/pico_int.h> |
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20 | |
21 | #ifdef BENCHMARK |
22 | #define OSD_FPS_X 220 |
23 | #else |
24 | #define OSD_FPS_X 260 |
25 | #endif |
26 | |
27 | // main 300K gfx-related buffer. Used by menu and renderers. |
28 | unsigned char gfx_buffer[321*240*2*2]; |
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29 | |
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30 | static short *snd_cbuff = NULL; |
31 | static int snd_cbuf_samples = 0, snd_all_samples = 0; |
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32 | |
33 | |
34 | static void blit(const char *fps, const char *notice); |
35 | static void clearArea(int full); |
36 | |
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37 | int plat_get_root_dir(char *dst, int len) |
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38 | { |
39 | if (len > 0) *dst = 0; |
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40 | |
41 | return 0; |
ea8c405f |
42 | } |
43 | |
44 | static void emu_msg_cb(const char *msg) |
45 | { |
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46 | if (giz_screen != NULL) fb_unlock(); |
47 | giz_screen = fb_lock(1); |
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48 | |
49 | memset32((int *)((char *)giz_screen + 321*232*2), 0, 321*8*2/4); |
cc41eb4f |
50 | emu_text_out16(4, 232, msg); |
ea8c405f |
51 | noticeMsgTime = GetTickCount() - 2000; |
52 | |
53 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */ |
54 | reset_timing = 1; |
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55 | |
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56 | fb_unlock(); |
57 | giz_screen = fb_lock((currentConfig.EmuOpt&0x8000) ? 0 : 1); |
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58 | } |
59 | |
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60 | void emu_stateCb(const char *str) |
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61 | { |
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62 | if (giz_screen != NULL) fb_unlock(); |
63 | giz_screen = fb_lock(1); |
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64 | |
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65 | clearArea(0); |
66 | blit("", str); |
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67 | |
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68 | fb_unlock(); |
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69 | giz_screen = NULL; |
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70 | |
71 | Sleep(0); /* yield the CPU, the system may need it */ |
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72 | } |
73 | |
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74 | void pemu_prep_defconfig(void) |
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75 | { |
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76 | defaultConfig.s_PsndRate = 22050; |
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77 | defaultConfig.s_PicoCDBuffers = 0; |
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78 | defaultConfig.KeyBinds[ 2] = 1<<0; // SACB RLDU |
79 | defaultConfig.KeyBinds[ 3] = 1<<1; |
80 | defaultConfig.KeyBinds[ 0] = 1<<2; |
81 | defaultConfig.KeyBinds[ 1] = 1<<3; |
82 | defaultConfig.KeyBinds[ 5] = 1<<4; |
83 | defaultConfig.KeyBinds[ 6] = 1<<5; |
84 | defaultConfig.KeyBinds[ 7] = 1<<6; |
85 | defaultConfig.KeyBinds[ 4] = 1<<7; |
86 | defaultConfig.KeyBinds[13] = 1<<26; // switch rend |
87 | defaultConfig.KeyBinds[ 8] = 1<<27; // save state |
88 | defaultConfig.KeyBinds[ 9] = 1<<28; // load state |
89 | defaultConfig.KeyBinds[12] = 1<<29; // vol up |
90 | defaultConfig.KeyBinds[11] = 1<<30; // vol down |
91 | defaultConfig.scaling = 0; |
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92 | } |
93 | |
94 | |
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95 | static int EmuScanBegin16(unsigned int num) |
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96 | { |
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97 | Pico.est.DrawLineDest = (unsigned short *) giz_screen + 321 * num; |
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98 | |
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99 | if ((currentConfig.EmuOpt&0x4000) && (num&1) == 0) // (Pico.m.frame_count&1)) |
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100 | return 1; // skip next line |
101 | |
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102 | return 0; |
103 | } |
104 | |
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105 | static int EmuScanBegin8(unsigned int num) |
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106 | { |
107 | // draw like the fast renderer |
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108 | Pico.est.HighCol = gfx_buffer + 328 * num; |
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109 | |
110 | return 0; |
111 | } |
112 | |
113 | static void osd_text(int x, int y, const char *text) |
114 | { |
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115 | int len = strlen(text) * 8 / 2; |
116 | int *p, h; |
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117 | for (h = 0; h < 8; h++) { |
118 | p = (int *) ((unsigned short *) giz_screen+x+321*(y+h)); |
119 | p = (int *) ((int)p & ~3); // align |
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120 | memset32(p, 0, len); |
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121 | } |
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122 | emu_text_out16(x, y, text); |
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123 | } |
124 | |
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125 | static void cd_leds(void) |
126 | { |
127 | static int old_reg = 0; |
128 | unsigned int col_g, col_r, *p; |
129 | |
130 | if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change |
131 | old_reg = Pico_mcd->s68k_regs[0]; |
132 | |
133 | p = (unsigned int *)((short *)giz_screen + 321*2+4+2); |
134 | col_g = (old_reg & 2) ? 0x06000600 : 0; |
135 | col_r = (old_reg & 1) ? 0xc000c000 : 0; |
136 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 321/2 - 12/2 + 1; |
137 | *p++ = col_g; p+=3; *p++ = col_r; p += 321/2 - 10/2; |
138 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; |
139 | } |
140 | |
141 | |
142 | static short localPal[0x100]; |
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143 | |
144 | static void blit(const char *fps, const char *notice) |
145 | { |
146 | int emu_opt = currentConfig.EmuOpt; |
147 | |
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148 | if (PicoOpt&0x10) |
149 | { |
150 | int lines_flags = 224; |
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151 | // 8bit fast renderer |
152 | if (Pico.m.dirtyPal) { |
153 | Pico.m.dirtyPal = 0; |
154 | vidConvCpyRGB565(localPal, Pico.cram, 0x40); |
155 | } |
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156 | // a hack for VR |
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157 | if (PicoAHW & PAHW_SVP) |
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158 | memset32((int *)(Pico.est.Draw2FB+328*8+328*223), 0xe0e0e0e0, 328); |
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159 | if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000; |
160 | if (currentConfig.EmuOpt&0x4000) |
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161 | lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000; |
98a27142 |
162 | vidCpy8to16((unsigned short *)giz_screen+321*8, Pico.est.Draw2FB+328*8, localPal, lines_flags); |
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163 | } |
164 | else if (!(emu_opt&0x80)) |
165 | { |
166 | int lines_flags; |
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167 | // 8bit accurate renderer |
168 | if (Pico.m.dirtyPal) { |
169 | Pico.m.dirtyPal = 0; |
170 | vidConvCpyRGB565(localPal, Pico.cram, 0x40); |
2ec14aec |
171 | if (Pico.video.reg[0xC]&8) { // shadow/hilight mode |
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172 | //vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40); |
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173 | //vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40); // TODO? |
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174 | memcpy32((void *)(localPal+0xc0), (void *)(localPal+0x40), 0x40*2/4); |
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175 | localPal[0xc0] = 0x0600; |
176 | localPal[0xd0] = 0xc000; |
177 | localPal[0xe0] = 0x0000; // reserved pixels for OSD |
178 | localPal[0xf0] = 0xffff; |
179 | } |
180 | /* no support |
181 | else if (rendstatus & 0x20) { // mid-frame palette changes |
182 | vidConvCpyRGB565(localPal+0x40, HighPal, 0x40); |
183 | vidConvCpyRGB565(localPal+0x80, HighPal+0x40, 0x40); |
184 | } */ |
185 | } |
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186 | lines_flags = (Pico.video.reg[1]&8) ? 240 : 224; |
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187 | if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000; |
188 | if (currentConfig.EmuOpt&0x4000) |
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189 | lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000; |
98a27142 |
190 | vidCpy8to16((unsigned short *)giz_screen+321*8, Pico.est.Draw2FB+328*8, localPal, lines_flags); |
ea8c405f |
191 | } |
192 | |
193 | if (notice || (emu_opt & 2)) { |
194 | int h = 232; |
195 | if (notice) osd_text(4, h, notice); |
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196 | if (emu_opt & 2) osd_text(OSD_FPS_X, h, fps); |
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197 | } |
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198 | |
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199 | if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD)) |
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200 | cd_leds(); |
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201 | } |
202 | |
203 | // clears whole screen or just the notice area (in all buffers) |
204 | static void clearArea(int full) |
205 | { |
206 | if (giz_screen == NULL) |
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207 | giz_screen = fb_lock(1); |
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208 | if (full) memset32(giz_screen, 0, 320*240*2/4); |
499a0be3 |
209 | else memset32((int *)((char *)giz_screen + 321*232*2), 0, 321*8*2/4); |
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210 | |
211 | if (currentConfig.EmuOpt&0x8000) { |
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212 | fb_unlock(); |
213 | giz_screen = fb_lock(0); |
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214 | if (full) memset32(giz_screen, 0, 320*240*2/4); |
215 | else memset32((int *)((char *)giz_screen + 321*232*2), 0, 321*8*2/4); |
216 | } |
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217 | } |
218 | |
219 | static void vidResetMode(void) |
220 | { |
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221 | giz_screen = fb_lock(1); |
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222 | |
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223 | if (PicoOpt&0x10) { |
224 | } else if (currentConfig.EmuOpt&0x80) { |
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225 | PicoDrawSetOutFormat(PDF_RGB555, 0); |
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226 | PicoDrawSetCallbacks(EmuScanBegin16, NULL); |
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227 | } else { |
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228 | PicoDrawSetOutFormat(PDF_NONE, 0); |
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229 | PicoDrawSetCallbacks(EmuScanBegin8, NULL); |
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230 | } |
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231 | if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) { |
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232 | // setup pal for 8-bit modes |
233 | localPal[0xc0] = 0x0600; |
234 | localPal[0xd0] = 0xc000; |
235 | localPal[0xe0] = 0x0000; // reserved pixels for OSD |
236 | localPal[0xf0] = 0xffff; |
237 | } |
238 | Pico.m.dirtyPal = 1; |
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239 | |
240 | memset32(giz_screen, 0, 321*240*2/4); |
c77ca79e |
241 | if (currentConfig.EmuOpt&0x8000) { |
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242 | fb_unlock(); |
243 | giz_screen = fb_lock(0); |
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244 | memset32(giz_screen, 0, 321*240*2/4); |
245 | } |
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246 | fb_unlock(); |
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247 | giz_screen = NULL; |
248 | } |
249 | |
da42200b |
250 | /* |
fa283c9a |
251 | #include <stdarg.h> |
252 | static void stdbg(const char *fmt, ...) |
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253 | { |
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254 | static int cnt = 0; |
255 | va_list vl; |
256 | |
257 | sprintf(noticeMsg, "%x ", cnt++); |
258 | va_start(vl, fmt); |
259 | vsnprintf(noticeMsg+strlen(noticeMsg), sizeof(noticeMsg)-strlen(noticeMsg), fmt, vl); |
260 | va_end(vl); |
261 | |
262 | noticeMsgTime = GetTickCount(); |
263 | } |
da42200b |
264 | */ |
fa283c9a |
265 | |
266 | static void updateSound(int len) |
267 | { |
a4edca53 |
268 | snd_all_samples += len / 2; |
269 | PsndOut += len / 2; |
fa283c9a |
270 | if (PsndOut - snd_cbuff >= snd_cbuf_samples) |
271 | { |
da42200b |
272 | //if (PsndOut - snd_cbuff != snd_cbuf_samples) |
273 | // stdbg("snd diff is %i, not %i", PsndOut - snd_cbuff, snd_cbuf_samples); |
fa283c9a |
274 | PsndOut = snd_cbuff; |
275 | } |
276 | } |
277 | |
278 | |
279 | static void SkipFrame(void) |
280 | { |
281 | PicoSkipFrame=1; |
ea8c405f |
282 | PicoFrame(); |
283 | PicoSkipFrame=0; |
284 | } |
285 | |
c77ca79e |
286 | /* forced frame to front buffer */ |
45285368 |
287 | void pemu_forced_frame(int no_scale, int do_emu) |
ea8c405f |
288 | { |
fa283c9a |
289 | int po_old = PicoOpt; |
290 | int eo_old = currentConfig.EmuOpt; |
291 | |
0fc0e241 |
292 | PicoOpt &= ~0x10; |
45285368 |
293 | PicoOpt |= POPT_ACC_SPRITES; |
294 | if (!no_scale) |
295 | PicoOpt |= POPT_EN_SOFTSCALE; |
fa283c9a |
296 | currentConfig.EmuOpt |= 0x80; |
297 | |
298 | if (giz_screen == NULL) |
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299 | giz_screen = fb_lock(1); |
fa283c9a |
300 | |
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301 | PicoDrawSetOutFormat(PDF_RGB555, 0); |
f4750ee0 |
302 | PicoDrawSetCallbacks(EmuScanBegin16, NULL); |
fa283c9a |
303 | Pico.m.dirtyPal = 1; |
304 | PicoFrameDrawOnly(); |
305 | |
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306 | fb_unlock(); |
fa283c9a |
307 | giz_screen = NULL; |
308 | |
309 | PicoOpt = po_old; |
310 | currentConfig.EmuOpt = eo_old; |
ea8c405f |
311 | } |
312 | |
fa283c9a |
313 | |
9839d126 |
314 | static void RunEvents(unsigned int which) |
315 | { |
da42200b |
316 | if (which & 0x1800) // save or load (but not both) |
317 | { |
9839d126 |
318 | int do_it = 1; |
da42200b |
319 | |
320 | if (PsndOut != NULL) |
321 | FrameworkAudio_SetPause(1); |
322 | if (giz_screen == NULL) |
84100c0f |
323 | giz_screen = fb_lock(1); |
a47dd663 |
324 | if ( emu_check_save_file(state_slot) && |
a8869ad1 |
325 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load |
326 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save |
327 | { |
9839d126 |
328 | int keys; |
329 | blit("", (which & 0x1000) ? "LOAD STATE? (PLAY=yes, STOP=no)" : "OVERWRITE SAVE? (PLAY=yes, STOP=no)"); |
e5ab6faf |
330 | while( !((keys = Framework_PollGetButtons()) & (PBTN_PLAY|PBTN_STOP)) ) |
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331 | Sleep(50); |
e5ab6faf |
332 | if (keys & PBTN_STOP) do_it = 0; |
333 | while( ((keys = Framework_PollGetButtons()) & (PBTN_PLAY|PBTN_STOP)) ) // wait for release |
da42200b |
334 | Sleep(50); |
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335 | clearArea(0); |
336 | } |
da42200b |
337 | |
338 | if (do_it) |
339 | { |
9839d126 |
340 | osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME"); |
c77ca79e |
341 | PicoStateProgressCB = emu_stateCb; |
a47dd663 |
342 | emu_save_load_game((which & 0x1000) >> 12, 0); |
9839d126 |
343 | PicoStateProgressCB = NULL; |
da42200b |
344 | Sleep(0); |
9839d126 |
345 | } |
346 | |
da42200b |
347 | if (PsndOut != NULL) |
348 | FrameworkAudio_SetPause(0); |
9839d126 |
349 | reset_timing = 1; |
350 | } |
da42200b |
351 | if (which & 0x0400) // switch renderer |
352 | { |
a8869ad1 |
353 | if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; } |
354 | else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; } |
9839d126 |
355 | |
356 | vidResetMode(); |
357 | |
358 | if (PicoOpt&0x10) { |
359 | strcpy(noticeMsg, " 8bit fast renderer"); |
360 | } else if (currentConfig.EmuOpt&0x80) { |
361 | strcpy(noticeMsg, "16bit accurate renderer"); |
362 | } else { |
363 | strcpy(noticeMsg, " 8bit accurate renderer"); |
364 | } |
365 | |
366 | noticeMsgTime = GetTickCount(); |
367 | } |
da42200b |
368 | if (which & 0x0300) |
369 | { |
9839d126 |
370 | if(which&0x0200) { |
371 | state_slot -= 1; |
372 | if(state_slot < 0) state_slot = 9; |
373 | } else { |
374 | state_slot += 1; |
375 | if(state_slot > 9) state_slot = 0; |
376 | } |
a47dd663 |
377 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_check_save_file(state_slot) ? "USED" : "FREE"); |
9839d126 |
378 | noticeMsgTime = GetTickCount(); |
379 | } |
380 | } |
381 | |
ea8c405f |
382 | static void updateKeys(void) |
383 | { |
2ec14aec |
384 | unsigned int keys, allActions[2] = { 0, 0 }, events; |
385 | static unsigned int prevEvents = 0; |
386 | int i; |
387 | |
d34a42f9 |
388 | /* FIXME: port to input fw, merge with emu.c:emu_update_input() */ |
2ec14aec |
389 | keys = Framework_PollGetButtons(); |
e5ab6faf |
390 | if (keys & PBTN_HOME) |
2ec14aec |
391 | engineState = PGS_Menu; |
2ec14aec |
392 | |
393 | keys &= CONFIGURABLE_KEYS; |
394 | |
f0f0d2df |
395 | PicoPad[0] = allActions[0] & 0xfff; |
396 | PicoPad[1] = allActions[1] & 0xfff; |
397 | |
398 | if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]); |
399 | if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]); |
2ec14aec |
400 | |
401 | events = (allActions[0] | allActions[1]) >> 16; |
402 | |
403 | // volume is treated in special way and triggered every frame |
fa283c9a |
404 | if ((events & 0x6000) && PsndOut != NULL) |
405 | { |
2ec14aec |
406 | int vol = currentConfig.volume; |
407 | if (events & 0x2000) { |
408 | if (vol < 100) vol++; |
409 | } else { |
410 | if (vol > 0) vol--; |
411 | } |
fa283c9a |
412 | FrameworkAudio_SetVolume(vol, vol); |
c77ca79e |
413 | sprintf(noticeMsg, "VOL: %02i ", vol); |
2ec14aec |
414 | noticeMsgTime = GetTickCount(); |
415 | currentConfig.volume = vol; |
416 | } |
417 | |
418 | events &= ~prevEvents; |
9839d126 |
419 | if (events) RunEvents(events); |
2ec14aec |
420 | if (movie_data) emu_updateMovie(); |
421 | |
422 | prevEvents = (allActions[0] | allActions[1]) >> 16; |
ea8c405f |
423 | } |
424 | |
f2cf8472 |
425 | void plat_debug_cat(char *str) |
84100c0f |
426 | { |
84100c0f |
427 | } |
fa283c9a |
428 | |
ea8c405f |
429 | static void simpleWait(DWORD until) |
430 | { |
9839d126 |
431 | DWORD tval; |
432 | int diff; |
433 | |
434 | tval = GetTickCount(); |
435 | diff = (int)until - (int)tval; |
436 | if (diff >= 2) |
437 | Sleep(diff - 1); |
438 | |
439 | while ((tval = GetTickCount()) < until && until - tval < 512) // some simple overflow detection |
440 | spend_cycles(1024*2); |
ea8c405f |
441 | } |
442 | |
f2cf8472 |
443 | void pemu_loop(void) |
ea8c405f |
444 | { |
fa283c9a |
445 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; |
ea8c405f |
446 | char fpsbuff[24]; // fps count c string |
447 | DWORD tval, tval_prev = 0, tval_thissec = 0; // timing |
fa283c9a |
448 | int frames_done = 0, frames_shown = 0, oldmodes = 0, sec_ms = 1000; |
ea8c405f |
449 | int target_fps, target_frametime, lim_time, tval_diff, i; |
450 | char *notice = NULL; |
451 | |
452 | lprintf("entered emu_Loop()\n"); |
453 | |
454 | fpsbuff[0] = 0; |
455 | |
456 | // make sure we are in correct mode |
457 | vidResetMode(); |
458 | if (currentConfig.scaling) PicoOpt|=0x4000; |
459 | else PicoOpt&=~0x4000; |
460 | Pico.m.dirtyPal = 1; |
461 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; |
ea8c405f |
462 | |
463 | // pal/ntsc might have changed, reset related stuff |
464 | target_fps = Pico.m.pal ? 50 : 60; |
fa283c9a |
465 | target_frametime = Pico.m.pal ? (1000<<8)/50 : (1000<<8)/60+1; |
ea8c405f |
466 | reset_timing = 1; |
467 | |
fa283c9a |
468 | // prepare CD buffer |
602133e1 |
469 | if (PicoAHW & PAHW_MCD) PicoCDBufferInit(); |
fa283c9a |
470 | |
ea8c405f |
471 | // prepare sound stuff |
fa283c9a |
472 | PsndOut = NULL; |
473 | if (currentConfig.EmuOpt & 4) |
474 | { |
da42200b |
475 | int ret, snd_excess_add, stereo; |
ea8c405f |
476 | if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) { |
9d917eea |
477 | PsndRerate(Pico.m.frame_count ? 1 : 0); |
ea8c405f |
478 | } |
da42200b |
479 | stereo=(PicoOpt&8)>>3; |
ea8c405f |
480 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps; |
fa283c9a |
481 | snd_cbuf_samples = (PsndRate<<stereo) * 16 / target_fps; |
ea8c405f |
482 | lprintf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", |
f3d1de29 |
483 | PsndRate, PsndLen, snd_excess_add, stereo, Pico.m.pal); |
fa283c9a |
484 | ret = FrameworkAudio_Init(PsndRate, snd_cbuf_samples, stereo); |
485 | if (ret != 0) { |
486 | lprintf("FrameworkAudio_Init() failed: %i\n", ret); |
487 | sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret); |
488 | noticeMsgTime = GetTickCount(); |
489 | currentConfig.EmuOpt &= ~4; |
490 | } else { |
491 | FrameworkAudio_SetVolume(currentConfig.volume, currentConfig.volume); |
492 | PicoWriteSound = updateSound; |
493 | snd_cbuff = FrameworkAudio_56448Buffer(); |
494 | PsndOut = snd_cbuff + snd_cbuf_samples / 2; // start writing at the middle |
495 | snd_all_samples = 0; |
496 | PsndRate_old = PsndRate; |
497 | PicoOpt_old = PicoOpt; |
498 | pal_old = Pico.m.pal; |
499 | } |
ea8c405f |
500 | } |
501 | |
ea8c405f |
502 | // loop? |
503 | while (engineState == PGS_Running) |
504 | { |
505 | int modes; |
506 | |
507 | tval = GetTickCount(); |
508 | if (reset_timing || tval < tval_prev) { |
da42200b |
509 | //stdbg("timing reset"); |
ea8c405f |
510 | reset_timing = 0; |
511 | tval_thissec = tval; |
512 | frames_shown = frames_done = 0; |
513 | } |
514 | |
515 | // show notice message? |
516 | if (noticeMsgTime) { |
517 | static int noticeMsgSum; |
518 | if (tval - noticeMsgTime > 2000) { // > 2.0 sec |
519 | noticeMsgTime = 0; |
520 | clearArea(0); |
521 | notice = 0; |
522 | } else { |
523 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2]; |
524 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; } |
525 | notice = noticeMsg; |
526 | } |
527 | } |
528 | |
529 | // check for mode changes |
530 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8); |
531 | if (modes != oldmodes) { |
ea8c405f |
532 | oldmodes = modes; |
533 | clearArea(1); |
534 | } |
535 | |
536 | // second passed? |
fa283c9a |
537 | if (tval - tval_thissec >= sec_ms) |
ea8c405f |
538 | { |
539 | #ifdef BENCHMARK |
540 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4]; |
541 | if(++bench == 10) { |
542 | bench = 0; |
543 | bench_fps_s = bench_fps; |
544 | bf[bfp++ & 3] = bench_fps; |
545 | bench_fps = 0; |
546 | } |
547 | bench_fps += frames_shown; |
548 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2); |
549 | #else |
550 | if(currentConfig.EmuOpt & 2) |
551 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done); |
552 | #endif |
fa283c9a |
553 | //tval_thissec += 1000; |
554 | tval_thissec += sec_ms; |
ea8c405f |
555 | |
fa283c9a |
556 | if (PsndOut != NULL) |
557 | { |
f3d1de29 |
558 | /* some code which tries to sync things to audio clock, the dirty way */ |
559 | static int audio_skew_prev = 0; |
560 | int audio_skew, adj, co = 9, shift = 7; |
fa283c9a |
561 | audio_skew = snd_all_samples*2 - FrameworkAudio_BufferPos(); |
f3d1de29 |
562 | if (PsndRate == 22050) co = 10; |
563 | if (PsndRate > 22050) co = 11; |
564 | if (PicoOpt&8) shift++; |
565 | if (audio_skew < 0) { |
566 | adj = -((-audio_skew) >> shift); |
567 | if (audio_skew > -(6<<co)) adj>>=1; |
568 | if (audio_skew > -(4<<co)) adj>>=1; |
569 | if (audio_skew > -(2<<co)) adj>>=1; |
570 | if (audio_skew > audio_skew_prev) adj>>=2; // going up already |
571 | } else { |
572 | adj = audio_skew >> shift; |
573 | if (audio_skew < (6<<co)) adj>>=1; |
574 | if (audio_skew < (4<<co)) adj>>=1; |
575 | if (audio_skew < (2<<co)) adj>>=1; |
576 | if (audio_skew < audio_skew_prev) adj>>=2; |
577 | } |
578 | audio_skew_prev = audio_skew; |
fa283c9a |
579 | target_frametime += adj; |
580 | sec_ms = (target_frametime * target_fps) >> 8; |
da42200b |
581 | //stdbg("%i %i %i", audio_skew, adj, sec_ms); |
ea8c405f |
582 | frames_done = frames_shown = 0; |
fa283c9a |
583 | } |
584 | else if (currentConfig.Frameskip < 0) { |
ea8c405f |
585 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0; |
586 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0; |
587 | if (frames_shown > frames_done) frames_shown = frames_done; |
fa283c9a |
588 | } else { |
589 | frames_done = frames_shown = 0; |
ea8c405f |
590 | } |
591 | } |
592 | #ifdef PFRAMES |
593 | sprintf(fpsbuff, "%i", Pico.m.frame_count); |
594 | #endif |
595 | |
596 | tval_prev = tval; |
597 | lim_time = (frames_done+1) * target_frametime; |
598 | if (currentConfig.Frameskip >= 0) // frameskip enabled |
599 | { |
600 | for (i = 0; i < currentConfig.Frameskip; i++) { |
601 | updateKeys(); |
fa283c9a |
602 | SkipFrame(); frames_done++; |
ea8c405f |
603 | if (PsndOut) { // do framelimitting if sound is enabled |
604 | int tval_diff; |
605 | tval = GetTickCount(); |
606 | tval_diff = (int)(tval - tval_thissec) << 8; |
607 | if (tval_diff < lim_time) // we are too fast |
608 | simpleWait(tval + ((lim_time - tval_diff)>>8)); |
609 | } |
610 | lim_time += target_frametime; |
611 | } |
612 | } |
613 | else // auto frameskip |
614 | { |
615 | int tval_diff; |
616 | tval = GetTickCount(); |
617 | tval_diff = (int)(tval - tval_thissec) << 8; |
618 | if (tval_diff > lim_time) |
619 | { |
620 | // no time left for this frame - skip |
621 | if (tval_diff - lim_time >= (300<<8)) { |
622 | /* something caused a slowdown for us (disk access? cache flush?) |
623 | * try to recover by resetting timing... */ |
624 | reset_timing = 1; |
625 | continue; |
626 | } |
627 | updateKeys(); |
fa283c9a |
628 | SkipFrame(); frames_done++; |
ea8c405f |
629 | continue; |
630 | } |
631 | } |
632 | |
633 | updateKeys(); |
634 | |
c77ca79e |
635 | if (currentConfig.EmuOpt&0x80) |
636 | /* be sure correct framebuffer is locked */ |
84100c0f |
637 | giz_screen = fb_lock((currentConfig.EmuOpt&0x8000) ? 0 : 1); |
c77ca79e |
638 | |
ea8c405f |
639 | PicoFrame(); |
499a0be3 |
640 | |
641 | if (giz_screen == NULL) |
84100c0f |
642 | giz_screen = fb_lock((currentConfig.EmuOpt&0x8000) ? 0 : 1); |
499a0be3 |
643 | |
ea8c405f |
644 | blit(fpsbuff, notice); |
645 | |
646 | if (giz_screen != NULL) { |
84100c0f |
647 | fb_unlock(); |
ea8c405f |
648 | giz_screen = NULL; |
649 | } |
650 | |
c77ca79e |
651 | if (currentConfig.EmuOpt&0x2000) |
652 | Framework2D_WaitVSync(); |
653 | |
654 | if (currentConfig.EmuOpt&0x8000) |
84100c0f |
655 | fb_flip(); |
c77ca79e |
656 | |
ea8c405f |
657 | // check time |
658 | tval = GetTickCount(); |
659 | tval_diff = (int)(tval - tval_thissec) << 8; |
660 | |
661 | if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300<<8)) // slowdown detection |
662 | reset_timing = 1; |
663 | else if (PsndOut != NULL || currentConfig.Frameskip < 0) |
664 | { |
665 | // sleep if we are still too fast |
666 | if (tval_diff < lim_time) |
667 | { |
668 | // we are too fast |
669 | simpleWait(tval + ((lim_time - tval_diff) >> 8)); |
670 | } |
671 | } |
672 | |
673 | frames_done++; frames_shown++; |
674 | } |
675 | |
676 | |
602133e1 |
677 | if (PicoAHW & PAHW_MCD) PicoCDBufferFree(); |
ea8c405f |
678 | |
fa283c9a |
679 | if (PsndOut != NULL) { |
680 | PsndOut = snd_cbuff = NULL; |
681 | FrameworkAudio_Close(); |
682 | } |
683 | |
ea8c405f |
684 | // save SRAM |
685 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
c77ca79e |
686 | emu_stateCb("Writing SRAM/BRAM.."); |
a47dd663 |
687 | emu_save_load_game(0, 1); |
ea8c405f |
688 | SRam.changed = 0; |
689 | } |
690 | } |
691 | |