| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 2002 Ben Parnell |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include <stdio.h> |
| 22 | #include <string.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <sys/time.h> |
| 25 | #include <pthread.h> |
| 26 | |
| 27 | #include "sdl.h" |
| 28 | #include "../common/vidblit.h" |
| 29 | |
| 30 | |
| 31 | #ifdef GP2X |
| 32 | #include "minimal.h" |
| 33 | |
| 34 | char* fps_str=NULL; |
| 35 | #endif |
| 36 | extern int showfps; |
| 37 | |
| 38 | int stretch_offset=32; |
| 39 | |
| 40 | unsigned long framesRendered; |
| 41 | unsigned long fps; |
| 42 | unsigned long fps_samplecount=0; |
| 43 | unsigned long total_fps=-1; |
| 44 | unsigned long ticks; |
| 45 | |
| 46 | pthread_t gp2x_video_thread=0; |
| 47 | uint8 * XBufHelper=NULL; |
| 48 | |
| 49 | |
| 50 | #define _sline srendline |
| 51 | #define _eline erendline |
| 52 | |
| 53 | #ifndef GP2X |
| 54 | SDL_Surface *screen; |
| 55 | #endif |
| 56 | |
| 57 | static int tlines; |
| 58 | static int inited=0; |
| 59 | |
| 60 | static int exs,eys,eefx; |
| 61 | #define NWIDTH (256-((eoptions&EO_CLIPSIDES)?16:0)) |
| 62 | #define NOFFSET (eoptions&EO_CLIPSIDES?8:0) |
| 63 | |
| 64 | |
| 65 | |
| 66 | int paletterefresh; |
| 67 | #ifdef GP2X |
| 68 | static int screenSizeInBytes = 320 * 240; |
| 69 | #endif |
| 70 | #define FPS_COLOR 61 |
| 71 | |
| 72 | |
| 73 | |
| 74 | |
| 75 | static unsigned char fontdata8x8[] = |
| 76 | { |
| 77 | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 78 | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 79 | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 80 | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 81 | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 82 | 0x3C,0x42,0x99,0xBD,0xBD,0x99,0x42,0x3C,0x3C,0x42,0x81,0x81,0x81,0x81,0x42,0x3C, |
| 83 | 0xFE,0x82,0x8A,0xD2,0xA2,0x82,0xFE,0x00,0xFE,0x82,0x82,0x82,0x82,0x82,0xFE,0x00, |
| 84 | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x64,0x74,0x7C,0x38,0x00,0x00, |
| 85 | 0x80,0xC0,0xF0,0xFC,0xF0,0xC0,0x80,0x00,0x01,0x03,0x0F,0x3F,0x0F,0x03,0x01,0x00, |
| 86 | 0x18,0x3C,0x7E,0x18,0x7E,0x3C,0x18,0x00,0xEE,0xEE,0xEE,0xCC,0x00,0xCC,0xCC,0x00, |
| 87 | 0x00,0x00,0x30,0x68,0x78,0x30,0x00,0x00,0x00,0x38,0x64,0x74,0x7C,0x38,0x00,0x00, |
| 88 | 0x3C,0x66,0x7A,0x7A,0x7E,0x7E,0x3C,0x00,0x0E,0x3E,0x3A,0x22,0x26,0x6E,0xE4,0x40, |
| 89 | 0x18,0x3C,0x7E,0x3C,0x3C,0x3C,0x3C,0x00,0x3C,0x3C,0x3C,0x3C,0x7E,0x3C,0x18,0x00, |
| 90 | 0x08,0x7C,0x7E,0x7E,0x7C,0x08,0x00,0x00,0x10,0x3E,0x7E,0x7E,0x3E,0x10,0x00,0x00, |
| 91 | 0x58,0x2A,0xDC,0xC8,0xDC,0x2A,0x58,0x00,0x24,0x66,0xFF,0xFF,0x66,0x24,0x00,0x00, |
| 92 | 0x00,0x10,0x10,0x38,0x38,0x7C,0xFE,0x00,0xFE,0x7C,0x38,0x38,0x10,0x10,0x00,0x00, |
| 93 | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x1C,0x1C,0x18,0x00,0x18,0x18,0x00, |
| 94 | 0x6C,0x6C,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x28,0x7C,0x28,0x7C,0x28,0x00,0x00, |
| 95 | 0x10,0x38,0x60,0x38,0x0C,0x78,0x10,0x00,0x40,0xA4,0x48,0x10,0x24,0x4A,0x04,0x00, |
| 96 | 0x18,0x34,0x18,0x3A,0x6C,0x66,0x3A,0x00,0x18,0x18,0x20,0x00,0x00,0x00,0x00,0x00, |
| 97 | 0x30,0x60,0x60,0x60,0x60,0x60,0x30,0x00,0x0C,0x06,0x06,0x06,0x06,0x06,0x0C,0x00, |
| 98 | 0x10,0x54,0x38,0x7C,0x38,0x54,0x10,0x00,0x00,0x18,0x18,0x7E,0x18,0x18,0x00,0x00, |
| 99 | 0x00,0x00,0x00,0x00,0x18,0x18,0x30,0x00,0x00,0x00,0x00,0x00,0x3E,0x00,0x00,0x00, |
| 100 | 0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x04,0x08,0x10,0x20,0x40,0x00,0x00, |
| 101 | 0x38,0x4C,0xC6,0xC6,0xC6,0x64,0x38,0x00,0x18,0x38,0x18,0x18,0x18,0x18,0x7E,0x00, |
| 102 | 0x7C,0xC6,0x0E,0x3C,0x78,0xE0,0xFE,0x00,0x7E,0x0C,0x18,0x3C,0x06,0xC6,0x7C,0x00, |
| 103 | 0x1C,0x3C,0x6C,0xCC,0xFE,0x0C,0x0C,0x00,0xFC,0xC0,0xFC,0x06,0x06,0xC6,0x7C,0x00, |
| 104 | 0x3C,0x60,0xC0,0xFC,0xC6,0xC6,0x7C,0x00,0xFE,0xC6,0x0C,0x18,0x30,0x30,0x30,0x00, |
| 105 | 0x78,0xC4,0xE4,0x78,0x86,0x86,0x7C,0x00,0x7C,0xC6,0xC6,0x7E,0x06,0x0C,0x78,0x00, |
| 106 | 0x00,0x00,0x18,0x00,0x00,0x18,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x18,0x18,0x30, |
| 107 | 0x1C,0x38,0x70,0xE0,0x70,0x38,0x1C,0x00,0x00,0x7C,0x00,0x00,0x7C,0x00,0x00,0x00, |
| 108 | 0x70,0x38,0x1C,0x0E,0x1C,0x38,0x70,0x00,0x7C,0xC6,0xC6,0x1C,0x18,0x00,0x18,0x00, |
| 109 | 0x3C,0x42,0x99,0xA1,0xA5,0x99,0x42,0x3C,0x38,0x6C,0xC6,0xC6,0xFE,0xC6,0xC6,0x00, |
| 110 | 0xFC,0xC6,0xC6,0xFC,0xC6,0xC6,0xFC,0x00,0x3C,0x66,0xC0,0xC0,0xC0,0x66,0x3C,0x00, |
| 111 | 0xF8,0xCC,0xC6,0xC6,0xC6,0xCC,0xF8,0x00,0xFE,0xC0,0xC0,0xFC,0xC0,0xC0,0xFE,0x00, |
| 112 | 0xFE,0xC0,0xC0,0xFC,0xC0,0xC0,0xC0,0x00,0x3E,0x60,0xC0,0xCE,0xC6,0x66,0x3E,0x00, |
| 113 | 0xC6,0xC6,0xC6,0xFE,0xC6,0xC6,0xC6,0x00,0x7E,0x18,0x18,0x18,0x18,0x18,0x7E,0x00, |
| 114 | 0x06,0x06,0x06,0x06,0xC6,0xC6,0x7C,0x00,0xC6,0xCC,0xD8,0xF0,0xF8,0xDC,0xCE,0x00, |
| 115 | 0x60,0x60,0x60,0x60,0x60,0x60,0x7E,0x00,0xC6,0xEE,0xFE,0xFE,0xD6,0xC6,0xC6,0x00, |
| 116 | 0xC6,0xE6,0xF6,0xFE,0xDE,0xCE,0xC6,0x00,0x7C,0xC6,0xC6,0xC6,0xC6,0xC6,0x7C,0x00, |
| 117 | 0xFC,0xC6,0xC6,0xC6,0xFC,0xC0,0xC0,0x00,0x7C,0xC6,0xC6,0xC6,0xDE,0xCC,0x7A,0x00, |
| 118 | 0xFC,0xC6,0xC6,0xCE,0xF8,0xDC,0xCE,0x00,0x78,0xCC,0xC0,0x7C,0x06,0xC6,0x7C,0x00, |
| 119 | 0x7E,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,0x7C,0x00, |
| 120 | 0xC6,0xC6,0xC6,0xEE,0x7C,0x38,0x10,0x00,0xC6,0xC6,0xD6,0xFE,0xFE,0xEE,0xC6,0x00, |
| 121 | 0xC6,0xEE,0x3C,0x38,0x7C,0xEE,0xC6,0x00,0x66,0x66,0x66,0x3C,0x18,0x18,0x18,0x00, |
| 122 | 0xFE,0x0E,0x1C,0x38,0x70,0xE0,0xFE,0x00,0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, |
| 123 | 0x60,0x60,0x30,0x18,0x0C,0x06,0x06,0x00,0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, |
| 124 | 0x18,0x3C,0x66,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, |
| 125 | 0x30,0x30,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x06,0x3E,0x66,0x66,0x3C,0x00, |
| 126 | 0x60,0x7C,0x66,0x66,0x66,0x66,0x7C,0x00,0x00,0x3C,0x66,0x60,0x60,0x66,0x3C,0x00, |
| 127 | 0x06,0x3E,0x66,0x66,0x66,0x66,0x3E,0x00,0x00,0x3C,0x66,0x66,0x7E,0x60,0x3C,0x00, |
| 128 | 0x1C,0x30,0x78,0x30,0x30,0x30,0x30,0x00,0x00,0x3E,0x66,0x66,0x66,0x3E,0x06,0x3C, |
| 129 | 0x60,0x7C,0x76,0x66,0x66,0x66,0x66,0x00,0x18,0x00,0x38,0x18,0x18,0x18,0x18,0x00, |
| 130 | 0x0C,0x00,0x1C,0x0C,0x0C,0x0C,0x0C,0x38,0x60,0x60,0x66,0x6C,0x78,0x6C,0x66,0x00, |
| 131 | 0x38,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0x00,0xEC,0xFE,0xFE,0xFE,0xD6,0xC6,0x00, |
| 132 | 0x00,0x7C,0x76,0x66,0x66,0x66,0x66,0x00,0x00,0x3C,0x66,0x66,0x66,0x66,0x3C,0x00, |
| 133 | 0x00,0x7C,0x66,0x66,0x66,0x7C,0x60,0x60,0x00,0x3E,0x66,0x66,0x66,0x3E,0x06,0x06, |
| 134 | 0x00,0x7E,0x70,0x60,0x60,0x60,0x60,0x00,0x00,0x3C,0x60,0x3C,0x06,0x66,0x3C,0x00, |
| 135 | 0x30,0x78,0x30,0x30,0x30,0x30,0x1C,0x00,0x00,0x66,0x66,0x66,0x66,0x6E,0x3E,0x00, |
| 136 | 0x00,0x66,0x66,0x66,0x66,0x3C,0x18,0x00,0x00,0xC6,0xD6,0xFE,0xFE,0x7C,0x6C,0x00, |
| 137 | 0x00,0x66,0x3C,0x18,0x3C,0x66,0x66,0x00,0x00,0x66,0x66,0x66,0x66,0x3E,0x06,0x3C, |
| 138 | 0x00,0x7E,0x0C,0x18,0x30,0x60,0x7E,0x00,0x0E,0x18,0x0C,0x38,0x0C,0x18,0x0E,0x00, |
| 139 | 0x18,0x18,0x18,0x00,0x18,0x18,0x18,0x00,0x70,0x18,0x30,0x1C,0x30,0x18,0x70,0x00, |
| 140 | 0x00,0x00,0x76,0xDC,0x00,0x00,0x00,0x00,0x10,0x28,0x10,0x54,0xAA,0x44,0x00,0x00, |
| 141 | }; |
| 142 | |
| 143 | static void gp2x_text(unsigned char *screen, int x, int y, char *text, int color, int flip) |
| 144 | { |
| 145 | int i,l,slen; |
| 146 | slen=strlen(text); |
| 147 | |
| 148 | screen=screen+x+y*320; |
| 149 | |
| 150 | for (i=0;i<slen;i++) |
| 151 | { |
| 152 | for (l=0;l<8;l++) |
| 153 | { |
| 154 | |
| 155 | screen[l*320+0]=(fontdata8x8[((text[i])*8)+l]&0x80)?color:screen[l*320+0]; |
| 156 | screen[l*320+1]=(fontdata8x8[((text[i])*8)+l]&0x40)?color:screen[l*320+1]; |
| 157 | screen[l*320+2]=(fontdata8x8[((text[i])*8)+l]&0x20)?color:screen[l*320+2]; |
| 158 | screen[l*320+3]=(fontdata8x8[((text[i])*8)+l]&0x10)?color:screen[l*320+3]; |
| 159 | screen[l*320+4]=(fontdata8x8[((text[i])*8)+l]&0x08)?color:screen[l*320+4]; |
| 160 | screen[l*320+5]=(fontdata8x8[((text[i])*8)+l]&0x04)?color:screen[l*320+5]; |
| 161 | screen[l*320+6]=(fontdata8x8[((text[i])*8)+l]&0x02)?color:screen[l*320+6]; |
| 162 | screen[l*320+7]=(fontdata8x8[((text[i])*8)+l]&0x01)?color:screen[l*320+7]; |
| 163 | |
| 164 | } |
| 165 | screen+=8; |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | |
| 170 | |
| 171 | |
| 172 | void CleanSurface(void) |
| 173 | { |
| 174 | #ifdef GP2X |
| 175 | int c=4; |
| 176 | while (c--) |
| 177 | { |
| 178 | memset (gp2x_screen8, 0x80, screenSizeInBytes); |
| 179 | gp2x_video_flip(); |
| 180 | } |
| 181 | |
| 182 | #else |
| 183 | uint32 x; |
| 184 | |
| 185 | x=screen->pitch*screen->h; |
| 186 | |
| 187 | if(SDL_MUSTLOCK(screen)) |
| 188 | SDL_LockSurface(screen); |
| 189 | |
| 190 | memset((uint8*)screen->pixels, 0x3F, x); |
| 191 | |
| 192 | if(SDL_MUSTLOCK(screen)) |
| 193 | SDL_UnlockSurface(screen); |
| 194 | |
| 195 | SDL_UpdateRect(screen, 0, 0, 0, 0); |
| 196 | #endif |
| 197 | } |
| 198 | |
| 199 | |
| 200 | |
| 201 | void KillVideo(void) |
| 202 | { |
| 203 | #ifdef GP2X |
| 204 | if (fps_str) |
| 205 | free(fps_str); |
| 206 | inited&=~1; |
| 207 | |
| 208 | |
| 209 | #else |
| 210 | if(inited&1) |
| 211 | { |
| 212 | SDL_QuitSubSystem(SDL_INIT_VIDEO); |
| 213 | } |
| 214 | inited=0; |
| 215 | #endif |
| 216 | } |
| 217 | |
| 218 | int InitVideo(void) |
| 219 | { |
| 220 | #ifdef GP2X |
| 221 | |
| 222 | |
| 223 | fps_str=malloc(3); |
| 224 | fps_str[0]='5'; fps_str[1]='0'; fps_str[2]=0; |
| 225 | |
| 226 | CleanSurface(); |
| 227 | |
| 228 | |
| 229 | inited|=1; |
| 230 | |
| 231 | puts("Initialized GP2X VIDEO via minimal"); |
| 232 | |
| 233 | srendline=0; |
| 234 | erendline=239; |
| 235 | return 1; |
| 236 | |
| 237 | |
| 238 | #else |
| 239 | const SDL_VideoInfo *vinf; |
| 240 | int flags=0; |
| 241 | |
| 242 | #ifdef BROKEN |
| 243 | if(_fullscreen && _fshack) |
| 244 | setenv("SDL_VIDEODRIVER",_fshack,1); |
| 245 | else |
| 246 | { |
| 247 | if(!_fshacksave) |
| 248 | unsetenv("SDL_VIDEODRIVER"); |
| 249 | else |
| 250 | setenv("SDL_VIDEODRIVER",_fshacksave,1); |
| 251 | } |
| 252 | #endif |
| 253 | if(SDL_InitSubSystem(SDL_INIT_VIDEO)==-1) |
| 254 | { |
| 255 | puts(SDL_GetError()); |
| 256 | return(0); |
| 257 | } |
| 258 | inited|=1; |
| 259 | |
| 260 | SDL_ShowCursor(0); |
| 261 | tlines=_eline-_sline+1; |
| 262 | |
| 263 | vinf=SDL_GetVideoInfo(); |
| 264 | |
| 265 | if(vinf->hw_available) |
| 266 | flags|=SDL_HWSURFACE; |
| 267 | |
| 268 | if(_fullscreen) |
| 269 | flags|=SDL_FULLSCREEN; |
| 270 | flags|=SDL_HWPALETTE; |
| 271 | |
| 272 | if(_fullscreen) |
| 273 | { |
| 274 | exs=_xscalefs; |
| 275 | eys=_yscalefs; |
| 276 | eefx=_efxfs; |
| 277 | if(_xres<NWIDTH*exs || _yres<tlines*eys) |
| 278 | { |
| 279 | puts("xscale and/or yscale out of bounds."); |
| 280 | KillVideo(); |
| 281 | return(0); |
| 282 | } |
| 283 | screen = SDL_SetVideoMode(_xres, _yres, 8, flags); |
| 284 | } |
| 285 | else |
| 286 | { |
| 287 | exs=_xscale; |
| 288 | eys=_yscale; |
| 289 | eefx=_efx; |
| 290 | screen = SDL_SetVideoMode(NWIDTH*exs, tlines*eys, 8, flags); |
| 291 | } |
| 292 | if(!screen) |
| 293 | { |
| 294 | puts(SDL_GetError()); |
| 295 | KillVideo(); |
| 296 | return(0); |
| 297 | } |
| 298 | inited=1; |
| 299 | CleanSurface(); |
| 300 | |
| 301 | SDL_WM_SetCaption("FCE Ultra","FCE Ultra"); |
| 302 | paletterefresh=1; |
| 303 | printf("srendline %d, erendline %d\n", srendline, erendline); |
| 304 | return 1; |
| 305 | #endif |
| 306 | } |
| 307 | |
| 308 | void ToggleFS(void) |
| 309 | { |
| 310 | #ifndef GP2X |
| 311 | KillVideo(); |
| 312 | _fullscreen=!_fullscreen; |
| 313 | |
| 314 | if(!InitVideo()) |
| 315 | { |
| 316 | _fullscreen=!_fullscreen; |
| 317 | if(!InitVideo()) |
| 318 | { |
| 319 | puts("Gah, bailing out."); |
| 320 | exit(1); |
| 321 | } |
| 322 | } |
| 323 | #endif |
| 324 | } |
| 325 | |
| 326 | |
| 327 | #ifndef GP2X |
| 328 | static SDL_Color psdl[256]; |
| 329 | |
| 330 | void FCEUD_SetPalette(uint8 index, uint8 r, uint8 g, uint8 b) |
| 331 | { |
| 332 | |
| 333 | psdl[index].r=r; |
| 334 | psdl[index].g=g; |
| 335 | psdl[index].b=b; |
| 336 | |
| 337 | paletterefresh=1; |
| 338 | } |
| 339 | |
| 340 | void FCEUD_GetPalette(uint8 index, uint8 *r, uint8 *g, uint8 *b) |
| 341 | { |
| 342 | *r=psdl[index].r; |
| 343 | *g=psdl[index].g; |
| 344 | *b=psdl[index].b; |
| 345 | } |
| 346 | |
| 347 | static void RedoPalette(void) |
| 348 | { |
| 349 | SDL_SetPalette(screen,SDL_PHYSPAL,psdl,0,256); |
| 350 | } |
| 351 | #else |
| 352 | |
| 353 | |
| 354 | |
| 355 | void FCEUD_SetPalette(uint8 index, uint8 r, uint8 g, uint8 b) |
| 356 | { |
| 357 | gp2x_video_color8(index, r, g, b); |
| 358 | gp2x_video_setpalette(); |
| 359 | |
| 360 | |
| 361 | paletterefresh = 1; |
| 362 | } |
| 363 | void FCEUD_GetPalette(uint8 index, uint8 * r, uint8 * g, uint8 * b) |
| 364 | { |
| 365 | *r = (uint8) gp2x_palette[(index << 1) + 1]; |
| 366 | *g = (uint8) (gp2x_palette[(index << 1) + 0] >> 8); |
| 367 | *b = (uint8) gp2x_palette[(index << 1) + 0]; |
| 368 | } |
| 369 | |
| 370 | static void RedoPalette(void) |
| 371 | { |
| 372 | } |
| 373 | |
| 374 | |
| 375 | |
| 376 | unsigned int gp2x_ticks_per_ms=7372800; |
| 377 | int needfpsflip=1; |
| 378 | #ifdef FRAMESKIP |
| 379 | int skipval=16; |
| 380 | int framecount=0; |
| 381 | int numrepeats=0; |
| 382 | int doskipping=0; |
| 383 | #endif |
| 384 | |
| 385 | |
| 386 | INLINE void printFps(uint8 *screen) |
| 387 | { |
| 388 | int y; |
| 389 | int* destt; |
| 390 | |
| 391 | if (needfpsflip) |
| 392 | { |
| 393 | if (stretch_offset > 0) |
| 394 | { |
| 395 | y=240; |
| 396 | while (y--) |
| 397 | { |
| 398 | |
| 399 | int* dest=(int *) (screen+((y << 8) + (y << 6))+stretch_offset); |
| 400 | |
| 401 | destt=dest - 8; |
| 402 | destt[0]=0x3F3F3F3F; destt[1]=0x3F3F3F3F; destt[2]=0x3F3F3F3F; destt[3]=0x3F3F3F3F; |
| 403 | destt[4]=0x3F3F3F3F; destt[5]=0x3F3F3F3F; destt[6]=0x3F3F3F3F; destt[7]=0x3F3F3F3F; |
| 404 | |
| 405 | destt=dest + 64; |
| 406 | destt[0]=0x3F3F3F3F; destt[1]=0x3F3F3F3F; destt[2]=0x3F3F3F3F; destt[3]=0x3F3F3F3F; |
| 407 | destt[4]=0x3F3F3F3F; destt[5]=0x3F3F3F3F; destt[6]=0x3F3F3F3F; destt[7]=0x3F3F3F3F; |
| 408 | } |
| 409 | if (showfps) |
| 410 | { |
| 411 | gp2x_text(screen, 0, 0, fps_str, FPS_COLOR, 0); |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | if (needfpsflip <= 3) |
| 416 | { |
| 417 | if (showfps) |
| 418 | { |
| 419 | gp2x_text(screen, 0, 0, fps_str, FPS_COLOR, 0); |
| 420 | } |
| 421 | needfpsflip++; |
| 422 | } |
| 423 | else |
| 424 | { |
| 425 | needfpsflip=0; |
| 426 | } |
| 427 | } |
| 428 | #ifdef FRAMESKIP |
| 429 | if ((fps < 59) && doskipping && ((framesRendered % skipval) == (skipval-1))) |
| 430 | { |
| 431 | FCEUI_FrameSkip(1); |
| 432 | } |
| 433 | #endif |
| 434 | if ((framesRendered & 0x3F) != 0x3F) |
| 435 | { |
| 436 | return; |
| 437 | } |
| 438 | |
| 439 | unsigned long currTime=gp2x_timer_read_ms(); |
| 440 | fps= (unsigned long)( framesRendered * 7372800 / (currTime - ticks)); |
| 441 | if (fps > 90) |
| 442 | fps=90; |
| 443 | |
| 444 | if (fps > 30) |
| 445 | { |
| 446 | fps_samplecount++; |
| 447 | total_fps+=fps; |
| 448 | } |
| 449 | if (stretch_offset && showfps) |
| 450 | { |
| 451 | sprintf(fps_str, "%d", (int)fps); |
| 452 | needfpsflip=1; |
| 453 | fps_str[2]=0; |
| 454 | gp2x_text(screen, 0, 0, fps_str, stretch_offset, 0); |
| 455 | } |
| 456 | |
| 457 | #ifdef FRAMESKIP |
| 458 | if (fps < 59) |
| 459 | { |
| 460 | numrepeats++; |
| 461 | if (numrepeats >= 4) |
| 462 | { |
| 463 | if (skipval > 4) |
| 464 | { |
| 465 | skipval-=2; |
| 466 | } |
| 467 | doskipping=1; |
| 468 | printf("skipping every %dth frame, currfps=%d\n", skipval, fps); |
| 469 | numrepeats=0; |
| 470 | } |
| 471 | } |
| 472 | else |
| 473 | { |
| 474 | numrepeats=0; |
| 475 | } |
| 476 | #endif |
| 477 | ticks = currTime; |
| 478 | framesRendered = 0; |
| 479 | } |
| 480 | #endif |
| 481 | |
| 482 | |
| 483 | |
| 484 | |
| 485 | |
| 486 | |
| 487 | |
| 488 | |
| 489 | |
| 490 | |
| 491 | |
| 492 | void LockConsole(){} |
| 493 | void UnlockConsole(){} |
| 494 | |
| 495 | |
| 496 | #ifdef GP2X |
| 497 | |
| 498 | void BlitScreen(uint8 * XBuf) |
| 499 | { |
| 500 | |
| 501 | int x, y, yinc; |
| 502 | if (!XBuf) return; |
| 503 | XBufHelper=XBuf; |
| 504 | framesRendered++; |
| 505 | XBuf = XBuf ; |
| 506 | |
| 507 | y=240; |
| 508 | yinc=272*(y-1); |
| 509 | while (y--) |
| 510 | { |
| 511 | int* dest=(int *) (gp2x_screen8+((y << 8) + (y << 6))+stretch_offset); |
| 512 | |
| 513 | int* src=(int *) (XBuf+yinc); |
| 514 | x=64; |
| 515 | while (x--) |
| 516 | { |
| 517 | dest[x]=src[x]; |
| 518 | } |
| 519 | yinc-=272; |
| 520 | } |
| 521 | |
| 522 | if (paletterefresh) |
| 523 | { |
| 524 | gp2x_video_setpalette(); |
| 525 | paletterefresh = 0; |
| 526 | } |
| 527 | |
| 528 | printFps(gp2x_screen8); |
| 529 | gp2x_video_flip(); |
| 530 | } |
| 531 | |
| 532 | |
| 533 | |
| 534 | |
| 535 | #else |
| 536 | extern void SpeedThrottle(); |
| 537 | void BlitScreen(uint8 *XBuf) |
| 538 | { |
| 539 | uint8 *dest; |
| 540 | int xo=0,yo=0; |
| 541 | |
| 542 | SpeedThrottle(); |
| 543 | |
| 544 | if(paletterefresh) |
| 545 | { |
| 546 | RedoPalette(); |
| 547 | paletterefresh=0; |
| 548 | } |
| 549 | |
| 550 | XBuf+=_sline*272; |
| 551 | |
| 552 | if(SDL_MUSTLOCK(screen)) |
| 553 | SDL_LockSurface(screen); |
| 554 | |
| 555 | dest=screen->pixels; |
| 556 | |
| 557 | if(_fullscreen) |
| 558 | { |
| 559 | xo=(((screen->w-NWIDTH*exs))>>1); |
| 560 | dest+=xo; |
| 561 | if(screen->h>(tlines*eys)) |
| 562 | { |
| 563 | yo=((screen->h-tlines*eys)>>1); |
| 564 | dest+=yo*screen->pitch; |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | Blit8To8(XBuf+NOFFSET,dest, NWIDTH, tlines, screen->pitch,exs,eys,eefx); |
| 569 | |
| 570 | if(SDL_MUSTLOCK(screen)) |
| 571 | SDL_UnlockSurface(screen); |
| 572 | |
| 573 | SDL_UpdateRect(screen, xo, yo, NWIDTH*exs, tlines*eys); |
| 574 | |
| 575 | if (0) |
| 576 | { |
| 577 | gp2x_text(NULL, 0, 0, NULL, 0, 0); |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | uint32 PtoV(uint16 x, uint16 y) |
| 582 | { |
| 583 | if(_fullscreen) |
| 584 | { |
| 585 | |
| 586 | } |
| 587 | else |
| 588 | { |
| 589 | if(eoptions&EO_CLIPSIDES) |
| 590 | x+=8; |
| 591 | y+=srendline; |
| 592 | } |
| 593 | return(x|(y<<16)); |
| 594 | } |
| 595 | #endif |