On Mon, 13 May 1996, Thompson, Mike wrote: > I've just built a 16C84 programmer and would like to test it but > don't have any code to try it with. Would someone please do the > incredible favour of writing a little program (using MPASM) that will > set a couple of port bits (so I can monitor LEDs), declare a couple > of variables, and read in a byte from a group of switches? Once I see > how this is done, I can figure out the rest from there and, more > importantly, verify the operation of the programmer (instead of > wondering if the program itself is incorrect). I have some source code in: http://www.labyrinth.net.au/~donmck/84.html that does a walking LED routine that may help. It blinks a LED along port B left to right at 1 second intervals. Source is in MicroChip and Parallax syntax, and hex code is there too! Don... Don McKenzie donmck@labyrinth.net.au DonTronics Tullamarine, Australia http://www.labyrinth.net.au/~donmck PIC Basic Compiler available now. PIC Programmers starting at $15US PicoSaurus, the 40 pin ETI PIC Basic with 8K EEPROM Free Windows Dev Sys