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It was the first color home computer system with built-in color graphics [1] and floppy-based data storage. It used the Intel 8080 CPU. The first model was an upgrade kit for the company's color computer terminal , turning the Intecolor 8001 into the Compucolor 8001 by adding more RAM and a number of optional storage systems.
Tandy/Radio Shack TRS-80 Model I. In the mid-1970s, Tandy Corporation's Radio Shack division was a successful American chain of more than 3,000 electronics stores. Among the Tandy employees who purchased a MITS Altair kit computer was buyer Don French, who began designing his own computer and showed it to the vice president of manufacturing John V. Roach, Tandy's former electronic data ...
1024 nybbles [86]: 262 color RAM (memory allocated for screen color data storage) [101] Expandable to 320 KB with Commodore 1764 256 KB RAM Expansion Unit (REU); although only 64 KB directly accessible; REU used mostly for the GEOS. REUs of 128 KB and 512 KB, originally designed for the C128, were also available, but required the user to buy a ...
The RadioShack TRS-80 Color Computer, later marketed as the Tandy Color Computer, is a series of home computers developed and sold by Tandy Corporation.Despite sharing a name with the earlier TRS-80, the Color Computer is a completely different system and a radical departure in design based on the Motorola 6809E processor rather than the Zilog Z80 of earlier models.
This version containing routines for disk management is known as Disk Extended Color BASIC. [5] Updates to the language include routines for disk management, therefore the name. [ 6 ] A fifth programming language for this series of computers is the Basic interpreter which runs on the Radio Shack/Tandy MC-10 , a small computer marketed beginning ...
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TI-99/2, [44] a 4K RAM, 32K ROM computer with no color, sound, or joystick port and a Mylar keyboard. TI designed the computer in four and a half months to sell for under $100 and compete with the Sinclair ZX81 and Timex Sinclair 1000. Based on the TMS9995 CPU running at 10.7 MHz and with a built-in RF modulator, performance greatly increased ...