TIP: Click on subject to list as thread! ANSI
echo: cbm
to: chitselb
from: Harry Potter
date: 2017-08-11 07:42:12
subject: Re: zero page allocation for Forth

On Thursday, August 10, 2017 at 9:40:24 PM UTC-4, chitselb wrote:
> It looks like what they did is put the memory mapping I/O port at
$00-$01 and moved everything up by two?  Does it still have the problem of
occasionally pooping on address $10 ? There are a couple of places in the
PET ROM where writes to $10 occur e.g.
 B3D8 STA $10 , even though Raeto's "Programming the PET/CBM"
book says no, it is unused

I don't think the C64 has the $10 bug.  Try it!  :)

--- SoupGate-Win32 v1.05
* Origin: Agency HUB, Dunedin - New Zealand | FidoUsenet Gateway (3:770/3)
SEEN-BY: 57/0 116/102 130/210 512 153/250 218/630 317/2 393/68 633/267 280
SEEN-BY: 640/384 712/620 848 770/0 1 3 100 340 772/0 1 210 500
@PATH: 770/3 1 712/848 633/267

SOURCE: echomail via fidonet.ozzmosis.com

Email questions or comments to sysop@ipingthereforeiam.com
All parts of this website painstakingly hand-crafted in the U.S.A.!
IPTIA BBS/MUD/Terminal/Game Server List, © 2025 IPTIA Consulting™.