X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=drivers%2Fsdl%2Fminimal.c;fp=drivers%2Fsdl%2Fminimal.c;h=0000000000000000000000000000000000000000;hp=57c98f60803f0902c201145fdcd4435c3d953721;hb=87e3eef5be4a5de92f97ee211ae4035d8d4b6494;hpb=4a2a617ac879a95babe3b8a822188b71e9769ba4 diff --git a/drivers/sdl/minimal.c b/drivers/sdl/minimal.c deleted file mode 100644 index 57c98f6..0000000 --- a/drivers/sdl/minimal.c +++ /dev/null @@ -1,315 +0,0 @@ -/* emulate minimal lib using SDL */ - -#include -#include - -#include -#include -#include -#include -#include -#include -#include - -#include "../gp2x/minimal.h" -#include "../gp2x/usbjoy.h" -#include "../gp2x/cpuctrl.h" - -SDL_Surface *screen; -void *gp2x_screen; -static int sounddev = 0; - - -/* video stuff */ -void gp2x_video_flip(void) -{ - if(SDL_MUSTLOCK(screen)) - SDL_LockSurface(screen); - - memcpy(screen->pixels, gp2x_screen, 320*240*screen->format->BytesPerPixel); - - if(SDL_MUSTLOCK(screen)) - SDL_UnlockSurface(screen); - - SDL_UpdateRect(screen, 0, 0, 0, 0); -} - - -void gp2x_video_changemode2(int bpp) -{ - const SDL_VideoInfo *vinf; - int flags=0; - - vinf=SDL_GetVideoInfo(); - - if(vinf->hw_available) - flags|=SDL_HWSURFACE; - - if (bpp == 8) - flags|=SDL_HWPALETTE; - - screen = SDL_SetVideoMode(320, 240, bpp, flags); - if(!screen) - { - puts(SDL_GetError()); - return; - } - - SDL_WM_SetCaption("FCE Ultra","FCE Ultra"); -} - - -static SDL_Color psdl[256]; - -void gp2x_video_changemode(int bpp) -{ - gp2x_video_changemode2(bpp); - if (bpp == 8) - SDL_SetPalette(screen,SDL_PHYSPAL,psdl,0,256); - gp2x_video_flip(); -} - - -void gp2x_video_setpalette(int *pal, int len) -{ - int i; - - for (i = 0; i < len; i++) - { - psdl[i].r = pal[i] >> 16; - psdl[i].g = pal[i] >> 8; - psdl[i].b = pal[i]; - } - - SDL_SetPalette(screen,SDL_PHYSPAL,psdl,0,len); -} - - -void gp2x_video_RGB_setscaling(int W, int H) -{ -} - -void gp2x_video_set_offs(int offs) -{ -} - -void gp2x_video_flush_cache(void) -{ -} - -void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) -{ -} - - -void gp2x_memcpy_all_buffers(void *data, int offset, int len) -{ -} - - -void gp2x_memset_all_buffers(int offset, int byte, int len) -{ - memset((char *)gp2x_screen + offset, byte, len); -} - - -unsigned long gp2x_joystick_read(int allow_usb_joy) -{ - unsigned long keys_out = 0; - Uint8 *keys; - int i; - - SDL_PumpEvents(); - keys = SDL_GetKeyState(NULL); - - if (keys[SDLK_UP]) keys_out |= GP2X_UP; - if (keys[SDLK_LEFT]) keys_out |= GP2X_LEFT; - if (keys[SDLK_DOWN]) keys_out |= GP2X_DOWN; - if (keys[SDLK_RIGHT]) keys_out |= GP2X_RIGHT; - if (keys[SDLK_RETURN]) keys_out |= GP2X_START; - if (keys[SDLK_BACKSLASH]) keys_out |= GP2X_SELECT; - if (keys[SDLK_s]) keys_out |= GP2X_L; - if (keys[SDLK_d]) keys_out |= GP2X_R; - if (keys[SDLK_z]) keys_out |= GP2X_A; - if (keys[SDLK_x]) keys_out |= GP2X_X; - if (keys[SDLK_c]) keys_out |= GP2X_B; - if (keys[SDLK_v]) keys_out |= GP2X_Y; - if (keys[SDLK_q]) keys_out |= GP2X_VOL_DOWN; - if (keys[SDLK_w]) keys_out |= GP2X_VOL_UP; - if (keys[SDLK_RIGHTBRACKET]) keys_out |= GP2X_PUSH; - - if (allow_usb_joy && num_of_joys > 0) { - // check the usb joy as well.. - gp2x_usbjoy_update(); - for (i = 0; i < num_of_joys; i++) - keys_out |= gp2x_usbjoy_check(i); - } - - return keys_out; -} - -static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0; - -void gp2x_start_sound(int rate, int bits, int stereo) -{ - int frag = 0, bsize, buffers; - - // if no settings change, we don't need to do anything - if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return; - - if (sounddev > 0) close(sounddev); - sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC); - if (sounddev == -1) - { - printf("open(\"/dev/dsp\") failed with %i\n", errno); - return; - } - - ioctl(sounddev, SNDCTL_DSP_SPEED, &rate); - ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits); - ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo); - // calculate buffer size - buffers = 16; - bsize = rate / 32; - if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding - while ((bsize>>=1)) frag++; - frag |= buffers<<16; // 16 buffers - ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag); - printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n", - rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff)); - - s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo; - usleep(100000); -} - - -void gp2x_sound_write(void *buff, int len) -{ - if (sounddev > 0) - write(sounddev, buff, len); -} - -void gp2x_sound_sync(void) -{ - if (sounddev > 0) - ioctl(sounddev, SOUND_PCM_SYNC, 0); -} - -void gp2x_sound_volume(int l, int r) -{ -} - - -void gp2x_init(void) -{ - printf("entering init()\n"); fflush(stdout); - - gp2x_screen = malloc(320*240*2 + 32); - if(gp2x_screen == NULL) return; - memset(gp2x_screen, 0, 320*240*2 + 32); - - if(SDL_Init(SDL_INIT_NOPARACHUTE)) - { - printf("Could not initialize SDL: %s.\n", SDL_GetError()); - return; - } - - if(SDL_InitSubSystem(SDL_INIT_VIDEO)==-1) - { - puts(SDL_GetError()); - return; - } - - SDL_ShowCursor(0); - - gp2x_video_changemode(8); - - /* init usb joys -GnoStiC */ - gp2x_usbjoy_init(); - - SDL_PumpEvents(); - - printf("gp2x_init done.\n"); -} - - -char *ext_menu = 0, *ext_state = 0; - -void gp2x_deinit(void) -{ - SDL_QuitSubSystem(SDL_INIT_VIDEO); - SDL_Quit(); - - free(gp2x_screen); - if (sounddev > 0) close(sounddev); - gp2x_usbjoy_deinit(); -} - - -/* other stuff to be faked */ -void cpuctrl_init(void) -{ -} - -void cpuctrl_deinit(void) -{ -} - -void set_FCLK(unsigned MHZ) -{ -} - -void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD) -{ -} - -void set_gamma(int g100) -{ -} - -void set_LCD_custom_rate(lcd_rate_t rate) -{ -} - -void unset_LCD_custom_rate(void) -{ -} - - -int mmuhack(void) -{ - return 1; -} - -int mmuunhack(void) -{ - return 1; -} - -void memset32(int *dest, int c, int count) -{ - memset(dest, c, count*4); -} - -void spend_cycles(int c) -{ - usleep(c/200); -} - -void convert2RGB555(unsigned short *dst, unsigned char *src, unsigned short *pal, int count) -{ - while (count--) - *dst++ = pal[*src++]; -} - -/* don't scale, just convert */ -void soft_scale(void *dst, unsigned short *pal, int line_offs, int lines) -{ - unsigned char *src = (unsigned char *)dst + (line_offs + lines) * 320; - unsigned short *dest = (unsigned short *)dst + (line_offs + lines) * 320; - int count = lines*320; - - while (count--) - *(--dest) = pal[*(--src)]; -} -