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BASIC V4 MONITOR commands?

Posted: Wed Aug 02, 2017 6:27 am
by Commodorianen
BASIC V4 has a primitive machine language monitor that you can start with the MONITOR command. Does anyone know the commands you can invoke in the monitor? I haven't been able to do anything except showing registers with R and quitting with X.

Re: BASIC V4 MONITOR commands?

Posted: Wed Aug 02, 2017 10:49 am
by srowe
I've made a complete disassembly of the BASIC4 code

https://eden.mose.org.uk/gitweb/?p=rom- ... sm;hb=HEAD

In summary the commands are:
  • M - memory dump
  • R - register dump
  • X - exit to BASIC
  • G - go
  • : - edit memory
  • ; - edit registers
  • L - load
  • S - save

Re: BASIC V4 MONITOR commands?

Posted: Wed Aug 02, 2017 3:01 pm
by Commodorianen
Nice, thank you :-) .