I find this interesting, but I don't have much to contribute :-) I assume you have a complete memory map for the 1541? Bill -------- Original Message -------- > From: Ruud@baltissen.org > Sent: Monday, April 20, 2009 1:59 PM > To: firstname.lastname@example.org > Subject: Re: 1541 $01xx area > > Hallo allemaal, > > > > I must have missed something but where? > > As usual I stumbled upon two things by accident just ten minutes after > sending the previous email. It seems that two pairs of zero-page addresses > are used during the decoding. One of them is loaded with the value $0145 > and is incremented. From the other one the high byte is loaded with $01. > Where possible I replaced $01 with $08. But no success yet. > > An much easier way is to use the $08xx area for my variables. But that > leaves me with just about 60 stack bytes. Who knows a way to find out how > much stack is used? One way: fill the stack with, lets say, $55, do some > havy things and then check what is left over of the $55's. > Any other idea is welcome. > > > -- > ___ > / __|__ > / / |_/ Groetjes, Ruud Baltissen > \ \__|_\ > \___| http://Ruud.C64.org > > > > > > > > Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing listReceived on 2009-04-20 20:50:39
Archive generated by hypermail 2.2.0.