[Coco] "Reading" non-readable bytes with PEEK vs ZBUG
Robert Gault
robert.gault at worldnet.att.net
Sat Jan 26 08:31:22 EST 2008
Roger Taylor wrote:
> At 07:38 AM 1/25/2008, you wrote:
>
>> There is another approach which will be independent of memory but not
>> relocated DOS code. Write a Basic program as a LOADM routine for your
>> binary program.
>> 10 A=PEEK(&HC003)
>> 20 IF A=8 THEN POKE&HD008,&H21 ELSE POKE&HCF2C,&H21
>> 30 LOADM"ROGER.BIN"
>
>
>
> I now see that you're checking a byte first. I didn't notice that
> earlier, sorry.
>
>
Also I goofed when writing this short piece of code. I intended a BRA to
replace the BEQ but used the value for BRN, duh.
The POKE value should be &H20 to get the BRA.
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