Allen Wolach About Roles Name : Allen Wolach Book Role Basics of Timex Sinclair 1000, ZX81 BASIC Author Basics of Timex Sinclair 1500/1000 BASIC Author Change Request You can request changes or additions here. You can upload files. All change requests are actioned as quickly as possible and you will be informed of the result. Details Files Your Name * Email * Details Your browser doesn't have Flash, Silverlight or HTML5 support. Submit Thank you for your change request. We will respond as soon as possible.