Unofficial Technical Manual for the ZX-81 LDOS Disk Controller View on archive.org Author(s): Bill Harmer Pages: 38 Operating manual for the Unofficial Technical Manual for the ZX-81 LDOS Disk Controller, covering installation, operation, and programming. Document Related Content Larken ZX81 Disk System (product) Heading Image Gallery Tags Documentation LARKEN Electronics TS 1000 People Bill Harmer
