robert.gault at worldnet.att.net
Fri Mar 6 17:10:14 EST 2009
Darren A wrote:
> On 3/6/09, Robert Gault wrote:
>> Here is the ml code that moves the ROM. Any reason why this
>> shouldn't work?
>> org $7000
>> start orcc #$50
>> ldx #$3000 where the ROM was offset loaded
>> ldy #$c000
>> a@ ldd ,x++
>> std ,y++
>> cmpx #$e000
>> blo a@
>> jmp $c002
>> end start
> There is a problem with that routine. The CMPX #$e000 should be
> CMPX #$5000 (or CMPY #$e000).
Duh, hits head, how obvious. Thanks Darren.
Now the ROM boots and runs. I can test or use it without burning an
EPROM which means I can have both a hardware scsi system or a drivewire
system without changing ROMs.
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