In a message dated 10/1/98 9:31:08 PM US Eastern Standard Time, mgp4007@omega.uta.edu writes: << why don't you just do this: ld b,54 ; 9 rows by 6 columns is 54 elements ld hl,(ARRAY) Loop: ld (hl),0 inc hl djnz Loop >> Oh yea. I was all screwed up at the time and forgot that registers could hold 2 digit numbers. I'm so silly.