gbdk_playground/background/background.c

#include <gb/gb.h>
#include "bg_data.c"
#include "bg_data.map"

void main() {
  set_bkg_data(0, 131, tiledata);
  VBK_REG = 1;
  VBK_REG = 0;
  set_bkg_tiles(0, 0, 20, 18, tilemap);

  SHOW_BKG;
  DISPLAY_ON;
}