Category: Utility: Visual/Screen
Machine: ZX-Spectrum 16K
Date: 1987/Jun
Original Publisher: Magazine ZX Computing - type-in from issue #38 - 1987/Jun
Category: Utility: undetermined
Machine: ZX81 16K
Date: 1983/Dec
Original Publisher: Magazine Your Computer - type-in from issue v.3 #12 - 1983/Dec
