[Coco] "Reading" non-readable bytes with PEEK vs ZBUG

Roger Taylor operator at coco3.com
Tue Jan 29 17:03:06 EST 2008

At 07:31 AM 1/26/2008, you wrote:
>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
>>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.


What is the other ROM version you're patching?  DECB 2.1 looks like 
the A=8 condition, for sure.

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