[Coco] a not very important drivewire question

Robert Gault robert.gault at att.net
Thu Jul 17 20:14:02 EDT 2014


Robert Hermanek wrote:
> I don't suppose anybody has a text file with the assembler output of HDB-DOS
> 1.1D DW3 COCO 3, so I could find the address of that #MAXDN-1 below and poke a
> 255 in there instead...
>
> On 7/16/2014 9:46 PM, Robert Gault wrote:
>> * Select Device ID number
>> DNUM           jsr       <$9F                Parse over "#"
>> DSET05         jsr       LB70B               Evaluate argument
>>                cmpb      #MAXDN-1            Legal?
>>                bhi       FCERR               No, ?FC ERROR
>
>

There is only one $C1FE (aka CMPB #254) in the hdbdw3cc3.rom and that is at 
$1CAA in the file. This ought to be correct as just before that is a $BD B70B 
which would be the JSR $B70B.

Robert

PS. I did compile HDBDOS with maxdn=256 and it works for a DW4 slot of 255.


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