>> Right. So you type stuff in hex rather than raw binary, and it 
>> automatically advances to the next address?
> 
> Yeh something like that, I don't remember the exact details.  I think 
> you could enter a memory address and hit the "address" button or 
> something and it would then accept instructions from that point, and 
> then there was a "run" button.  Pretty basic, but armed with the 
> instruction set datasheet you could actually write stuff that worked.  
> IIRC they had a few channels of analogue and digital IO mapped to 
> certain addresses that were connected to useful stuff like LEDs, 
> temperature sensors and heaters.

Mmm, tasty.

The closest I ever came to doing something like this was assembling a 
program for my dad's C64 by hand. (I still have the book with the 
op-code table in it. And, 20 years later, I still remember that RTS is 
96 decimal. How sad is that?)

Post a reply to this message