At 11:55 AM 11/18/98 +0000, Nigel Orr wrote... >I've hit on an odd problem with the equ's at the start of my code > >I have various ones setting up register addresses etc, eg > >data_in equ 21h >data_out equ 22h > >But when I try > >ack_data equ FFh > >I get an Error 113, undefined symbol. Radix Specifications Type Syntax Example Decimal D'' D'100' Hexadecimal H'' H'9f' Octal O'' O'777' Binary B'' B'00111001' ASCII ''A'' 'C'A'C' Mike