Coco 32 - Modified Coco 3 ROM for the 64K Coco 2
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This modified version of the Coco 3 ROM is designed to run only under 
64K Coco 2 hardware. Because the Coco 2 ROM is normally only 16K in 
size the Coco 3 16K Extended Color BASIC 2.0 patch code has to reside 
on a cartridge.

At first boot the ROM looks for the Coco 3 patch code in the cartridge 
area, and if found will start the computer in Coco 3 (RAM) Extended Color
BASIC 2.0 mode. If the code is not found the computer will start in Coco 2
(ROM) Extended Color BASIC 1.1 compatibility mode. Auto starting of 
cartridges has been disabled and been replaced by the new BASIC command 
"PLOAD" (PakLOAD) which will correctly detect and execute any cartridge 
code found in the cartridge area. 

The picture of the Coco 3 ROM's three original authors is still intact 
and can be viewed by typing "EXEC 35892" at the BASIC command prompt. 
Pressing any key while viewing the picture will restart the computer 
and return to the BASIC command prompt. The ROM has been tested without 
problems on the emulators listed below and should work OK on a real 64K 
Coco 2.



Test Emulators:

David Keil's Coco Emulator version 1.22

Jeff Vavasour's Coco emulator versions 1.5 and 1.6

MESS (Multi Emulator Super System) version 0.80 

Paul Burgin's T3 Coco/Dragon emulator version 1.0

Paul Burgin's PC-Dragon versions 2.02 and 2.06

Russ Le Blang's Return of Coco version 0.83a