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Color Computer

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Overview

Introduced in 1980 by Tandy Radio Shack, the Color Computer was a computer system.

Technical specifications

  • CPU: Motorola 6809E running at 0.895 MHz (in early models) or double-speed 1.79 MHz in later revisions.
  • Memory: 4 KB RAM on Model I rising to 64 KB on the Model III/4 with ROM-on-cartridge for BASIC and OS.
  • Display: MC6847 VDG capable of 256×192 pixels with four colors (always referencing palette of 9 base colors) and 6 rows of text.
  • Sound: Basic single-channel square wave generator with limited volume control provided by the MC6847 video chip.

Supported ROM extensions

wav, cas, dsk, ccc, rom, zip, 7z

Emulators

  • mame (libretro) – Requires BR2_PACKAGE_LIBRETRO_MAME, BR2_PACKAGE_HAS_LIBRETRO_MAME
  • mame (mame) – Requires BR2_PACKAGE_MAME, BR2_PACKAGE_HAS_MAME

Notes

Requires MAME BIOS file coco.zip and coco3.zip

Default Autoload Behaviors 1. "usage" info field when using MAME software lists (if declared) 2. Cassette (.cas) files autoload as binary (CLOADM:EXEC) 3. Disk (.dsk) files autoload based on basename (eg. ZONX.dsk autoloads as LOADM “ZONX”:EXEC) 4. BASIC programs autorun if file basename ends with .bas 3a. ALPHAII.BAS.dsk autoloads using RUN “ALPHAII” 3b. GROVER.bas.cas autoloads using CLOAD:RUN

user definable autoload overrides in: system/configs/mame/autoload/coco_{cass,flop}_autoload.csv syntax: ; (see comments in .csv files for detailed help & examples)

Source data: REG Linux emulationstation/es-system/es_systems.yml