Re: [stella] Kool Aid Man compatible detection

Subject: Re: [stella] Kool Aid Man compatible detection
From: "Edwin Blink" <edwin.blink@xxxxxxx>
Date: Sun, 10 Oct 2004 18:10:51 +0200
Eckhard Stolberg:

> The tricky part here is not to trigger HMOVE 'during' the
> RESPx. It's about triggering HMOVE in such a way that some
> of the positioning clock pulses for the players get generated
> during the visible part of the screen. This creates the extra
> shifts for the player graphics on the China-TIA but not on the
> normal TIA.

Thanks for explaning this compatibility'issue. I did'nt know about it.

>AFAIK only the very last 2600 Jrs and 
> 7800s, that were produced in China after late 1989, are affected by this.

Really ?  Both my JRs Week 42 1990 and Week 26 1991 (If I interpreted
the dating on the PCB's right) will have this problem then. I must run
Thomas's code on them!.

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