At 09:35 AM 25/3/97 -0800, you wrote: >There was an article about using a PIC for PLC Emulation by Walter Ditch >in the UK Elektor Magazine in 94/95? > >It uses a PIC16C54 or 55 programmed with ladder logic. >This is a system of programming more suited to Electricians and >Electrical Engineers than Computer programmers. > >The files and examples assemble with the old MPALC, and it's really >simply a system of Macros in a shell. > >I just had an old customer send me the files which are clearly marked >'Public Domain'. >He would like the thing to work under MPASM and the later micros, in >particular the 84 Hi PLC Folks, its so funny that I took those few hours few days ago and converted the PLC.H files that really is Public Domain to PIC16C84 so it is done already! ftp://ftp.sistudio.com/pub/mchip/source/plc.zip contains the pic16C84 port of the original PLC.H file. antti -- Silicon Studio Ltd. -- http://www.sistudio.com