[Coco] [Color Computer] Hitachi 6309 questions

L. Curtis Boyle curtisboyle at sasktel.net
Thu Feb 12 14:27:26 EST 2009


On Thu, 12 Feb 2009 10:14:52 -0600, David Bush <twixt at cstone.net> wrote:

There is a separate opcode for LDMD that allows you to set the  
native/emulation mode bit, and the FIRQ normal/push all registers bit.  
There is a 6309 reference on the net that should give you the opcode for  
it. There is also one for trapping illegal instructions and division by 0.

> -> Cloud9 should have the 6309's
>
> Sorry, I missed that line, thanks. The Cloud9 website answered my
> questions about installating the 6309 CPU.
>
> I'm still looking for the assembler instruction to set the MD
> register, though...
>
>
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-- 
L. Curtis Boyle



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