Date : Sat, 13 Nov 2010 01:59:26 +0000
From : jgh@... (J.G.Harston)
Subject: ROMs
Theo Markettos wrote:
> That means you just need a custom version of *SRLoad and you can load
> non-volatile sideways RAM images into it.
Hmmm... strokes non-existant beard... I've got a version of *SrLoad that
repeatedly writes each byte until it's written, something like:
.loop
LDA (src),Y:STA (dst),Y
CMP (dst),Y:BNE loop
INY:BNE loop
INC src+1:INC dst+1:BVC loop
> They'll need an address line or few bodging from the Beeb's ROM selector,
> but means you can have 8 ROMs in one flash chip.
Couple of flying leads to the ROMSEL links.
--
J.G.Harston - jgh@...