[Coco] replacing main rom
Boisy G. Pitre
boisy at boisypitre.com
Tue May 10 17:43:59 EDT 2005
On May 10, 2005, at 3:51 PM, James C. Hrubik, Sr. wrote:
> Boisy -- didn't you do something like that with OS-9?
Yes, the NitrOS-9 ROM Kit replaces the BASIC ROM with a NitrOS-9 boot
rom.
A good understanding of the 6809 and the CoCo 3 boot-up state will
help in developing a replacement ROM. I relied heavily on the
Unravelled Series as well as JV's emulator to debug my ROM code.
Boisy
> On Tuesday, May 10, 2005, at 04:28 PM, John Hogerhuis wrote:
>
>
>> I've been reading through the super extended color basic manual to
>> figure out what needs to be set up on the coco at startup.
>>
>> My idea is to create a Free software replacment ROM based on Forth
>> instead of BASIC.
>>
>> Has anyone created a stand-alone ROM image that replaces the main
>> coco 3 ROM?
>>
>> I can create a new one myself, but if someone has already done this
>> work and is willing to license it freely, I'd rather start from that.
>>
>> -- John.
>>
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> http://five.pairlist.net/mailman/listinfo/coco
>>
>>
>>
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