[Coco] Blast from the past!
theother_bob at yahoo.com
Thu Jan 31 11:20:06 EST 2008
There was never any ROM code that supported the semigraphics modes below PMODE levels. That was a hardware feature of the 6847 that was not implemented in the GIME.
----- Original Message ----
From: "RJRTTY at aol.com" <RJRTTY at aol.com>
To: coco at maltedmedia.com
Sent: Thursday, January 31, 2008 2:15:40 AM
Subject: Re: [Coco] Blast from the past!
In a message dated 1/31/2008 12:13:47 A.M. Eastern Standard Time,
mark at cloud9tech.com writes:
>This past week I processed an order from one of the original chip
>designer engineers of the VDG and the VDG-T1 at Motorola. He has told
>several stories which are simply amazing! Many name references which
>I wouldn't list here because I have not ask to release his message.
I have often wandered why the unsupported semigraphics modes
of the VDG were left out of the coco's basic rom graphics routines.
I heard a rumor that part of the ECB code was misplaced and could
not be located in time for the project. Did he mention that by
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