Tips & Tricks of the User Group Masters for the Sinclair ZX-81 v0335 View on archive.org Author(s): Bill Harmer Pages: 7 Date: 1996 An earlier version (v0.335) of Bill Harmer’s tips and tricks guide for the Sinclair ZX-81, compiling useful techniques from user group newsletters. Document Related Content Heading Image Gallery Tags Documentation TS 1000 People Bill Harmer
