requires clink.f requires mapin.f requires random.f \ requires dbuf.f hex e.c000 constant cgone0.mbmem 280 ( td 640 ) constant cg.height 1e0 ( td 480 ) constant cg.width 4000 ( td 16385 ) constant cg.size e.8000 constant 90 constant bytes/line 384 constant lines/screen 4000 constant bytes/fb variable >fb : fb >fb @ ; : getfb 0 bytes/fb [""] /dev/cgone0 mapin >fb ! ; variable >mb : mb >mb @ ; : getmb e.c000 bytes/fb [""] /dev/mbmem mapin >mb ! ;