[Coco] Programming help
Retro Canada
retrocanada76 at gmail.com
Tue Jun 25 08:16:41 EDT 2013
it's a label i wont make any difference if you skip it.
Sent from my iPhone
On 2013-06-25, at 9:13 AM, "Bill" <cwgordon at carolina.rr.com> wrote:
> I’m trying to write an assembly language routine, and having what’s probably
> a very simple problem.
>
>
>
> The listing is as follows:
>
>
>
> 10 NAM B256 ß This is the culprit. Nothing I do will make it
> right.
>
> 70 ORG $0EOO
>
> 80 ORCC #$50
>
> 90 LDX #$8000
>
> 100 LDY #$FFC0 *BANK 0
>
> 110 COPY STB $FFDE
>
> 120 LDB O,Y
>
> 130 LDA O,X
>
> 140 LDB $08,Y *BANK 00/00
>
> 150 STB $FFDF
>
>
>
> Everything else is fine, but I cannot get the first command correct. No
> matter what I do, it comes up with a ‘BAD OPCODE’ error.
>
>
>
> Help??
>
>
>
> Thanks
>
>
>
>
> --
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