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TRS-80 Color Computer (“CoCo”)
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| Color Computer I |
Pictures
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Features
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Introduced on July 31st, 1980 for $399.00 |
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Motorola MC6809E 8-bit CPU running at .89MHz |
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4K RAM |
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8K ROM – Microsoft Color Basic v1.0 |
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53 Key Keyboard |
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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) |
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8 Colors (selectable from 2 preset 4 color palettes) |
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RGB Modulator (to connect to color TV) |
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RS-232 Interface (Serial Port) |
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1500 Baud Cassette Interface |
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Two (2) Joystick Connectors |
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Optional: ROM-PAK Cartrdige (Chess, Checkers, Quasar Commander, Personal Finance, CoCo Diagnostics) |
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Optional (12/1980): 16K RAM Upgrade |
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Optional: 32K RAM Upgrade |
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Optional: 64K RAM Upgrade |
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Optional (12/1980): 16K RAM Upgrade |
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Optional (07/1981): Extended Color Basic Upgrade |
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| Color Computer II |
Pictures
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Features
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Same as the Color Computer I except |
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16-64K RAM |
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8K BASIC ROM or 16K EXTENDED BASIC ROM |
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Smaller Case |
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53 Key QWERTY Keyboard (First COCO appearance of a BREAK Key) |
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Lowercase Letters |
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6-Bit DAC (Digital-to-Analog Converter), allowing for 64 different volume levels |
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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. |
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OS-9 Level II multi-tasking operating system |
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Optional Equipment: MultiPak Interface |
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| Color Computer III |
Picture
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Features
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Introduced on July 30th, 1986 for $219.95 |
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Motorola MC68b09 8-bit CPU running at 1.788MHz |
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128K RAM (Upgradable to 512K) |
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640 X 192 (BASIC) and 640 x 225 (Other) |
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Colors: 4 at 640 x 192/225, 16 at 320 x 192, and 64 at 160 x 192. |
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80 Column Display Ability |
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4 analog inputs and 1 analog output |
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Digital Input and Output |
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OS-9 Level II multi-tasking operating system |
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Optional Equipment: MultiPak Interface |
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Optional Equipment: 5.25″ floppy drive |
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| Emulators |
| Platform |
Description |
Version |
Date |
Author |
Home Site |
| Windows 98/Direct X |
|
1.40 |
Jan. 3, 2008 |
Joseph Forgione |
Home Site |
| Platform |
Description |
Version |
Date |
Author |
Home Site |
| Windows ’9x |
|
2.10 |
April 8, 2005 |
David Keil |
Home Site |
| Platform |
Description |
Version |
Date |
Author |
Home Site |
| DOS |
|
1.29 |
Jan. 6th, 2008 |
MESS Development Team |
Home Site |
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| Platform |
Description |
Version |
Date |
Author |
Home Site |
| Windows ’9x |
CoCo III Emulator
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2.10 |
Apr. 8, 2005 |
David Keil |
Home Site |
| Platform |
Description |
Version |
Date |
Author |
Home Site |
| Windows ’9x |
MC-10 Emulator |
0.73c |
May, 2008 |
Emucompboy |
Home Site |
| Platform |
Description |
Version |
Date |
Author |
Home Site |
| Windows ’9x |
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1.6B |
Nov. 6, 2001 |
Jeff Vavasour |
Home Site |
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| Platform |
Description |
Version |
Date |
Author |
Home Site |
| DOS |
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1.6 |
Jan. 15, 2001 |
Jeff Vavasour |
Home Site |
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| Platform |
Description |
Version |
Date |
Author |
Home Site |
| DOS |
Dragon/CoCo Emulator |
0.10 |
Nov. 22, 1997 |
Email |
Home Site |
| Platform |
Description |
Version |
Date |
Author |
Home Site |
| Amiga |
DREaM |
v1.02 |
Jul. 16, 1997 |
Sean Siford |
Unknown |
| Platform |
Description |
Version |
Date |
Author |
Home Site |
| DOS |
PC-Dragon II |
Unknown |
Unknown |
Jun. 8, 1997 |
Unknown |
| Platform |
Description |
Version |
Date |
Author |
Home Site |
| WEB |
Mocha |
Unknown |
N/A |
N/A |
Unknown |
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| Sites of Interest / Links |
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![[Model I]](/images/computer-model1bx150.png)
