[Coco] auto-starting game paks

[Mark Marlette]

Roger,

Sorry about the humor. Hard to tell when you are asking a serious question, joking or just answering your own questions?????.

You can control the CPU to have it do what ever you want it to do, via software and or hardware.

CPU to be told the first address to start running code from? Yes

Certainly the CPU can be forced to jump to $C000 if something on the 
motherboard wanted to do that, no?

Yes, ROMs. Color Basic and Extended Color Basic.

Regards,

Mark



----- Original Message -----
From: "Roger Taylor" <operator at coco3.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Tuesday, January 20, 2009 4:29:53 PM GMT -06:00 US/Canada Central
Subject: Re: [Coco] auto-starting game paks

At 03:48 PM 1/20/2009, you wrote:
>Roger,
>
><humor>
>
>I can tell you are a software guy. :)

Nuttin' but the best!  :)


>The CPU does EVERYTHING it is told. BASIC doesn't do the jump. It 
>tells the CPU what to do.

Thanks for clearing that one up, Mark.  Sheesh!  :)

Yes, you are being funny.



>Maybe I am over thinking your problem or you meant to say BASIC or 
>GAME PAK code. ??? The CPU vectors contain address to jump to be 
>executed, etc....


You're a hardware guy.  Fair enough.

Are you telling me it is not possible for the CPU to be told the 
first address to start running code from?  That's what it sounded 
like you said.

Certainly the CPU can be forced to jump to $C000 if something on the 
motherboard wanted to do that, no?

-- 
Roger Taylor

http://www.wordofthedayonline.com


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