>when i try and run my code (the c74 code) it does not seem to run >correctly - or at least i don't see the correct memory map as i do when >i use PDE in windows. Sounds like you are using the wrong version of PDE. Download version 2.10 or later from parallaxinc.com. >any tips? > >the reason i'm not using pde to run code is now i've got lots of code >for the mpasm compiler - so i'm using mpasm to compile this. so i can't >use pde to run the code and i want to use the dos simulator. In the File | Project Info dialog, you can select the assembler you are using. NOTE: You must put the executable file for it in your PDE directory! Andy ================================================================== Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865 Hardware & Software for Industry & R/C Hobbies "Go fast, turn right, and keep the wet side down!" ==================================================================