Thanks for this. I've started to look at 6502 assembler now. Let's see if I have the patience. I have written some simple S/390 (mainframe) assembler a long time ago but am well out of practice.
Colin.
Quote:
Originally Posted by Mark1960
Quote:
Originally Posted by ScottishColin
And while I'm waiting for the EPROM, is it possible for someone to either explain to me how the code on the EPROM is called at boot? or is there a website I should go look at?
I'm interested in how the code is called in the first place.
Colin.
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After reset the 6502 loads the program counter from memory at FFFC and FFFD, then starts running code from that address.
Described on page 8 of
https://archive.org/details/mos_6500...ge/n7/mode/2up |