> GCOLs  Display GCOL colours : ( mode%=0 15 2 < mode% F 23,23,2;0;0;0; P &CC: &80 Z':8:txW%=+1 d:txH%=+1::txH%=+1: n3gfW%=txW%*8:gfH%=txH%*(8-2*(mode%=3 mode%=6)) x:gfW%=gfW%*2: gfW%>=&400 :gfH%=gfH%*2: gfH%>=&300 wid%=gfW%4:hgh%=gfH%4 col%=txW%4:row%=txH%4  gcol%=0 15 0,gcol%  pix%=hgh%-4 0 -4 < ((gcol% 3)+0)*wid%+0,((gcol% 12) 4)*hgh%+pix% < ((gcol% 3)+1)*wid%-1,((gcol% 12) 4)*hgh%+pix% > 69,((gcol% 3)+0)*wid%+0,((gcol% 12) 4)*hgh%+pix%+2   C$ ] (gcol% 3)*col%+(col%-1)2-0,(txH%-2)-((gcol% 12) 4)*row%-row%+row%2-1);~gcol%; Y (gcol% 3)*col%+(col%-1)2-1,(txH%-2)-((gcol% 12) 4)*row%-row%+row%2-0);C$;  col%*2-3,0);"MODE ";mode%  " ,% BLK,RED,GRN,YEL,BLU,MAG,CYN,WHT 6% BLK,RED,GRN,YEL,BLU,MAG,CYN,WHT