1 RAMTOP=106:REM OS top of RAM pointer›2 PMBASE=54279:REM ANTIC player-missile RAM pointer›3 SDMCTL=559:REM Shadow of DMACTL›4 GRACTL=53277:REM CTIA's graphics control register›5 HPOSP0=53248:REM Horizontal position register of P0›6 PCOLR0=704:REM Shadow of player 0 color register›10 GRAPHICS 0:A=PEEK(RAMTOP)-16:REM Must back up for 1-line resolution›20 POKE PMBASE,A›30 MYPMBASE=256*A›40 POKE SDMCTL,62›50 POKE GRACTL,3›60 POKE HPOSP0,102›70 FOR I=MYPMBASE+1024 TO MYPMBASE+1280›80 POKE I,0›90 NEXT I›100 POKE PCOLR0,140›110 FOR I=0 TO 15›120 READ X›130 POKE MYPMBASE+1100+I,X›140 NEXT I›150 DATA 14,29,24,24,24,24,24,24›160 DATA 24,24,24,24,24,24,184,112›170 ? " ":REM Clear screen›180 POSITION 15,6›190 ? "xdx"›