Yes. You'd need to make an engine that places a character on the screen depending on the number read. Something like: DIM MAP[3,3] FOR Y=0 to 2 FOR X=0 to 2 READ MAP[X,Y] LOCATE X,Y,0 ?CHR$(MAP[X,Y]) NEXT NEXT DATA 1,1,1 DATA 1,0,1 DATA 1,1,1 Of course, if you're doing this, the data for a filled block won't be 1, so get ready to test CHR$ a lot.