Quote and my bible was 'Programming the Z80' by Rodnay Zacks.... -AndyStill have my copy of Joseph J Carr's "Z80 Users Manual" way up high on one of the book shelves .... right next to about a dozen or so books on the care & feeding of the ZX-81.Wonder if that old hardware will still run? LOL![div align=\"right\"][a href=\"index.php?act=findpost&pid=138304\"][{POST_SNAPBACK}][/a][/div]
and my bible was 'Programming the Z80' by Rodnay Zacks.... -Andy