System Specification for C65
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March 1, 1991
Commodore C65 Specification - Foward
This system specification describes the prototype Commodore C65 system that was being prepared for production in 1991. The Commodore C65 never made it to market, however, prototype systems occasionally come up for sale on auction sites. There are also enthusiast maker projects developing compatible systems to relive what may have been.
Specification version control
Revision 0.2 (pilot release)
January 31, 1991
At this time, Pilot Production, the Commodore C65 system consists of either revision 2A or 2B PCB, 4510R3, 4567R5 (PAL only) , FOllB/C FDC, and 018 DMAgic chips. There will be changes to all these chips before Production Release.
Contributors to this specification
This work is by:
Fred Bowen - System Software - C65
Paul Lassa - Hardware Engineer - C65, DMAgic
Bill Gardei - LSI engineer - 4567, FDC
Victor Andrade - LSI engineer - 4510
Included are contributions by contractors hired by Commodore for the C65 project. These contributions include the DOS, Graphics, Audio, and Memory management areas.
C65 Development Baseline
Several 4502 assembler systems are available:
VAX, Amiga, and PC based BSO-compatible cross assemblers.
PC based custom cross assembler by Memocom, compatible with Memocom 4502 emulator and Mem-ulator systems.
C128-based BSO compatible cross assembler by Commodore.
Custom software support is available for the following logic analyzers
Hewlett Packard HP655x A and B logic analyzers.