--- /dev/null
+/* emulate minimal lib using SDL */
+
+#include <stdio.h>
+#include <SDL.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/soundcard.h>
+#include <errno.h>
+
+#include "../gp2x/minimal.h"
+#include "../gp2x/usbjoy.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 ln_offs, int W, int H)
+{
+}
+
+void gp2x_video_set_offs(int offs)
+{
+}
+
+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);
+ if(gp2x_screen == NULL) return;
+ memset(gp2x_screen, 0, 320*240*2);
+
+ 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();
+
+ 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)
+{
+}
+
+
+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 soft_scale(void *dst, unsigned short *pal, int line_offs, int lines)
+{
+}
+
notaz.gp2x.de / fceu.git / blobdiff