Acorn Computers BBC Micro Model B w/8271 — Acorn BBC Micro Model B w/8271 User Guide Manual PDF

212 Demonstration program 140 MODE 5 160 REM Red background 170 GCOL 0, 129 175 CLG 180 REM Yellow foreground 190 GCOL 0,2 200 REM draw a box 210 MOVE 100,100 220 DRAW 400,100 230 DRAW 400,400 240 DRAW 100,400 250 DRAW 100,100