17 ;move position by some random offset
25 cmp #$06 ;Did we go out of range
27 lda #$02 ;Start back at the top
60 cmp #$06 ;Did we go out of range
66 ;;Move back to the start of this row
67 ldx $2 ;The width of the rectangle
80 beq done ;;Are we done drawing?
83 sta $3 ;reset the width counter
92 cmp #$06 ;Did we go out of range