James Walsh About Roles Name : James Walsh Book Role Spectrum Machine Code Made Easy Volume 1 Author ZX Spectrum Codigo Maquina Simplificado Volumen 1 Author Codigo de Maquina para Principiantes Author Fifty 1K/2K Games for the ZX-81 and Timex Sinclair 1000 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.