#include #include #include void main(void); void main() { int new_mode, old_mode; new_mode = fg_bestmode(320,200,1); if (new_mode < 0 || new_mode == 12) { printf("This program requires a 320 "); printf("x 200 color graphics mode.\n"); exit(1); } old_mode = fg_getmode(); fg_setmode(new_mode); fg_setcolor(7); fg_rect(0,159,0,99); fg_setcolor(9); fg_locate(6,6); fg_text("quadrant",8); fg_waitkey(); fg_tcmask(0x0202); fg_tcxfer(0,159,0,99,160, 99,0,0); fg_tcxfer(0,319,0,99, 0,199,0,0); fg_waitkey(); fg_setmode(old_mode); fg_reset(); }