[Coco] Dual UART with FIFO Card for the CoCo

[sales at gimechip.com]

I'm not sure - it was something my dad mentioned - connect all the irq* in 
the mpi together like Gene mentioned. Then a mod on the CoCo3 to bypass the 
GIME sending the IRQ* straight to the cpu. Dad's not home now, but I need to 
ask him what he was talking about :-)

----- Original Message ----- 
From: "Steven Hirsch" <snhirsch at gmail.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Monday, June 14, 2010 4:09 PM
Subject: Re: [Coco] Dual UART with FIFO Card for the CoCo


> On Mon, 14 Jun 2010, sales at gimechip.com wrote:
>
>> I'll have to check with Dad on the internal IRQ* mod, but I think it 
>> involved
>> passing the IRQ* from the cart* straight to the CPU with some diode 
>> logic,
>> bypassing the GIME. Now that I type that out, maybe that's not a good 
>> thing?
>> I'll check with dad.
>
> Are you thinking of the mod outlined in Tandy's Little Wonder?  There was
> a suggestion to use a Schottky diode in such a fashion to avoid ill
> behavior (don't recall all the details).
>
> Steve
>
>
> -- 
>
>
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