Re: [stella] How to make Stella (please help)

Subject: Re: [stella] How to make Stella (please help)
From: Thomas Jentzsch <tjentzsch@xxxxxx>
Date: Wed, 19 Dec 2001 16:24:45 +0100
4th try: (couldn't reach B. by mail directly, sorry)
> Hi B.,
> you wrote:
> > Here are the modified Stella source files that implement LAX (zp),y and
> > LAX zp. Put them in stella-1.1/src/emucore/m6502/src and recompile,
> > let me know if there are any problems.
> Thanks, I was close the solution too, only forgot the cycle counting
> table :)
> I will implement a complete illegal opcode support into Stella, just
> because I don't like doing things only half :) And I'll rename all
> illegal opcode names to match those of DiStella and DASM. (There was a
> post from somebody calling himself wizard to the list in February with
> all opcodes, name, definitions and cycles counts)
> BTW: I noticed a wrong cycle count for JMP indirect ($6c) in the
> original Stella file. Should be 5 not 4. I wonder, why that never caused any 
> emulation problems...
> > Thrust seems to run fine with these mods, though I haven't spent much
> > time playing it (I never could get the hang of realistic physics, I'm
> > pretty rotten at Asteroids too...)
> Thrust is not an easy game, it takes a lot of practice to learn to fly.
> For a start you should try the rookie-variation (5).
> BTW: How do you calculate the MD5 checksums needed for the .pro file? (md5sum?)
> > I'm going to mail Bradford Mott & see if it's ok with him if I release a
> > version of Stella with full illegal opcode support, and a few other mods..
> That would be cool, but the best would be, if we send the modified files
> to Brad and he puts them on the Stella website. Then all OS would profit
> from the improvements. This is especially important for MAC users,
> because Stella seems to be the only good emulator there, and until now
> they can't play Thrust and Jammed. And finally XStella could support
> illegal opcodes too.
> Have fun!
> Thomas
> _______________________________________________________
> Thomas Jentzsch         | *** Every bit is sacred ! ***
> tjentzsch at web dot de |

Have fun!
Thomas Jentzsch         | *** Every bit is sacred ! ***
tjentzsch at web dot de |

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