[Coco] technical assembler question

[Darren A.]

>From: Phill Harvey-Smith <afra at aurigae.demon.co.uk>
>Subject: Re: [Coco] technical assembler question
>Date: Fri, 18 May 2007 08:13:33 +0100
>
>Arthur Flexser wrote:
>
>>LDA #(value that depends on break key's row in keyboard matrix)
>>STA $FF02
>>LDA $FF03
>>ANDA #(value that depends on break key's column in keyboard matrix)
>>BEQ someplace (break key is being held down)
>>
><snip>
>
>Remembering of course that if you want your code to also work on the 
>Dragon, you'll need to compensate for the different keyboard matrix, 
>calling POLCAT, I believe does this automatically.
>
>Cheers.
>
>Phill.
>
>--
-

In this case, the BREAK key happens to be in the only row of the matrix that 
is the same for both the CoCo and Dragon.  That row also includes ENTER, 
CLEAR and SHIFT.

Darren

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