Subject: RE: [stella] 7800 From: Matt Pritchard <MPritchard@xxxxxxxxxxxxxxxxxxx> Date: Fri, 13 Nov 1998 16:03:05 -0600 |
> > We should check that ROM out to see if he filled it up with > > library routines which may be useful by others. > > Since you have the manual, you can check the monitor source > listing. It wasn't for the final release though since the > INIT (reset) routine at $FBD0 lacks the indirect startup > vector I described. > > But as you say, if the 4K image is used, someone could document > the entry points of useful routines and specify RAM usage (which > could be a minor nuissance...). > > > 126 Byte validation code > > FWIW, it's 120 bytes. You'll also see it as 960-bit, ie. a crypto > reference. > last 128 bytes: > 120 key > 1 > 1 > 2 NMI > 2 Reset > 2 IRQ > <slap> <slap> All better now.. I took the 6 from 960. > The key was supposed to be all FFs when sent to Atari. Not sure > what region the key routine scans though. ($x000-$FF7F or $x000-$FFFF) > > > > -Matt Pritchard Graphics Engine and Optimization Specialist MS Age of Empires & Age of Empires ][ -- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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