Ira Goldklang's TRS-80 Revived Site

Color Computer ("CoCo")

        


         Color Computer I

Pictures

CoCo 1 CoCo 1 Alt

Features

   
  		• Introduced on July 31st, 1980 for $399.00
       
  		• Motorola MC6809E 8-bit CPU running at .89MHz
       
  		• 4K RAM
       
  		• 8K ROM - Microsoft Color Basic v1.0
       
  		• 53 Key Keyboard
       
  		• 32 Column Display Ability (32 x 16 with 4 Colors / 256 x 192 with 2 Colors / 128 x 96 at 8 Colors / 128 x 192 with 4 Colors)
       
  		• 8 Colors (selectable from 2 preset 4 color palettes)
       
  		• RGB Modulator (to connect to color TV)
       
  		• RS-232 Interface (Serial Port)
       
  		• 1500 Baud Cassette Interface
       
  		• Two (2) Joystick Connectors
       
  		• Optional: ROM-PAK Cartrdige (Chess, Checkers, Quasar Commander, Personal Finance, CoCo Diagnostics)
       
  		• Optional (12/1980): 16K RAM Upgrade
       
  		• Optional: 32K RAM Upgrade
       
  		• Optional: 64K RAM Upgrade
       
  		• Optional (12/1980): 16K RAM Upgrade
       
  		• Optional (07/1981): Extended Color Basic Upgrade

             Color Computer II

    Pictures

    CoCo 2

    Features

       
  		• Same as the Color Computer I except
       
  		• 16-64K RAM
       
  		• 8K BASIC ROM or 16K EXTENDED BASIC ROM
       
  		• Smaller Case
       
  		• 53 Key QWERTY Keyboard (First COCO appearance of a BREAK Key)
       
  		• Lowercase Letters
       
  		• 6-Bit DAC (Digital-to-Analog Converter), allowing for 64 different volume levels
       
  		• Could be POKEd to 1.78Mhz, which had been enabled to allow for DMA access by external peripherals. The CPU was halted during these periods, as it could not handle this speed and would overheat if not halted.
       
  		• OS-9 Level II multi-tasking operating system
       
  		• Optional Equipment: MultiPak Interface

             Color Computer III

    Picture

    CoCo 3

    Features

       
  		• Introduced on July 30th, 1986 for $219.95
       
  		• Motorola MC68b09 8-bit CPU running at 1.788MHz
       
  		• 128K RAM (Upgradable to 512K)
       
  		• 640 X 192 (BASIC) and 640 x 225 (Other)
       
  		• Colors: 4 at 640 x 192/225, 16 at 320 x 192, and 64 at 160 x 192.
       
  		• 80 Column Display Ability
       
  		• 4 analog inputs and 1 analog output
       
  		• Digital Input and Output
       
  		• OS-9 Level II multi-tasking operating system
       
  		• Optional Equipment: MultiPak Interface
       
  		• Optional Equipment: 5.25" floppy drive

             Emulators
    PlatformDescriptionVersionDateAuthorHome Site
    Windows '9x CoCo III Emulator
    Source
    		 1.6B November 6, 2001 Jeff Vavasour Home Site
    IBM DOS CoCo II Emulator
    CoCo II Emulator Source Code
    		 1.6 January 15, 2001 Jeff Vavasour Home Site
    Windows '9x CoCo II Emulator 1.22 May 2, 2001 David Keil Home Site
    DOS Dragon/CoCo Emulator 0.10 Unknown Email Home Site
    Amiga DREaM v1.02 Unknown Sean Siford Unknown
    DOS PC-Dragon II Unknown Unknown Unknown Unknown
    DOS Mocha Unknown Unknown Unknown Unknown
    Windows '9x MC-10 Emulator
    		 0.69c March 15, 2005 Emucompboy Home Site

             Sites of Interest / Links
  		• Bill Yakowenko's Excellent Color Computer stuff page
  		• CoCoZilla
  		• Color Computer History
  		• Dragon & Tandy CoCo Resources
  		• Mark Schoenberger's CoCo stuff
  		• MC-10 Site
  		• Neil Morrison's COCO Documentation Page
  		• Nickolas Marentes Homepage (Commercial)
  		• Product Which Allows File Transfer to IBM
  		• Sock Master's CoCo Web Page