Tim,
I could probably dig an old Z80 asm. book out of storage. I remember that 0xc9
is a RET and 0xD9 is a call..........
Tim Senecal wrote:
> Guys,
>
> speaking of the Z80...
>
> I have an old Timex\Sinclair TS1000 (sinclair zx81), that has a wordprocessor
> rom pack that totally takes over the system, replacing the 8k sinclair
> basic rom with its own rom...
>
> possibly a new rom for the wordprocessor pack could be burned...
>
> ...if the vnc display can be restructured for a black and white 64x42 pixel
> screen.
>
> :)
>
> Tim
>
> At 10:42 AM 12/12/2000 -0600, you wrote:
> >What's wrong with a Z80?
> >
> >Kieran Coughlan wrote:
> >
> >> Wallowing in nostalgia Jonathan? :)
> >>
> >> Perhaps you should start a series on 6502 assembler ;)
> >>
> >> Kieran
> >>
> >> > -----Original Message-----
> >> > From: Jonathan Morton [SMTP:[EMAIL PROTECTED]]
> >> > Sent: Tuesday, December 12, 2000 1:00 PM
> >> > To: [EMAIL PROTECTED]
> >> > Subject: Re: VNC as a "pre-boot" OS?
> >> >
> >> >
> >> > On an off-topic note, the BBC Micro's ROM is split in two physical
> >> > parts,
> >> > one containing the OS and one containing the BASIC language - the
> >> > BASIC
> >> > chip can be physically swapped or logically paged out in favour of an
> >> > RFB
> >> > environment ROM, or a word processor, or...
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