----- Original Message -----
From: <KirkIsrael@xxxxxxxxxxxxx>
To: <stella@xxxxxxxxxxx>
Sent: Saturday, July 13, 2002 7:41 PM
Subject: Re: [stella] supercharger good; busted code bad
> One last mystery though...
> my Sprites are refelcted opposite on the 2600 relative to
> all 3 emus! the code below is 'correct' on the supercharged
> atari, backwards everywhere else...
> ;assum horiz movement will be zero
> LDX #$00
> LDA #$40 ;Left?
> BIT SWCHA
> BNE SkipMoveLeftP0
> LDX #$10
> LDA %00001000
> STA REFP0 ;show reflected version
> SkipMoveLeftP0
I don´t have DASM right here to try it, but I think the problem occurs
because you´re storing the wrong value into REFP0. Instead of "LDA
%00001000" it should be "LDA #%00001000".
Bye,
Nicolás.
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