25 Nov
2006
25 Nov
'06
8:32 a.m.
On 25 Nov 2006 at 3:27, jim stephens wrote:
And my memory of 256 bytes may be off, I vaguly recall
maybe on 32 bytes
are visible and used by the processor at boot. People had to use pretty small proms
in the early days of the hobby.
I recall that the disk controller had a small bipolar prom and that
it was indeed 32 bytes. It was miles better than toggling the boot
code by hand... A 256-byte boot prom back then would have been an
almost obscene luxury... ;)
--Chuck