Hi all,
   
  Thanks for the replies. The version of Pic Basic I'm using is 1.42, it's not PicBasic Pro. Buying a more up-to-date compiler is not an option at the moment.
   
  Some progress to report. I've inserted (in another, much smaller program) the following:
   
  asm
  org 0x800
  endasm
   
  and this causes the following code to be compiled at 0800 onwards. Thanks for this! At least I don't have to go in and edit the .asm file generated by PicBasic. I can place the code where I want in the memory from within PicBasic. I'll try a few more things tomorrow when I'm less tired. My days of writing code (Z80, SC/MP) into the early hours are long gone, I'm afraid!
   
  Thanks again, I'll probably have more questions when I get stuck.
   
  John Fletcher
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