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TRS-80 Model 4, 1983 non-gate array version. Tandy Corporation introduced the TRS-80 Model 4 on April 26, 1983 as the successor to the TRS-80 Model III.The Model 4 has a faster Z80A 4 MHz CPU, [5] larger video display of 80 columns by 24 rows, bigger keyboard, and can be upgraded to 128KB of RAM.
TRS-80 Model 4 (standard version) TRS-80 Model 4P. The successor to the Model III is the TRS-80 Model 4 released in April 1983. It has a faster Z80A 4 MHz CPU, [132] a larger video display 80 columns x 24 rows with reverse video, bigger keyboard, internal speaker, and its 64 KB of RAM can be upgraded to 128 KB of bank-switched RAM.
TRS-80 Model 4 (standard version) TRS-80 Model 4P. The successor to the Model III was the Model 4. Its microprocessor was a faster Z80A 4 MHz CPU. [7] Disk-based Model 4's had 64 KB of RAM standard; an optional bank of additional 64 KB was accessible to applications software using bank switching technology.
TRS-80 Pocket Computer PC-1 with Realistic Minisette 9 Tandy PC-4 Pocket Computer Tandy PC-6 with 8 KB memory expansion card installed and a compatible cassette interface Tandy PC-8 Pocket Computer. The Tandy Pocket Computer or TRS-80 Pocket Computer is a line of pocket computers sold by Tandy Corporation under the Tandy or Radio Shack TRS-80 ...
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.
The TRS-80 computer manufactured by Tandy / Radio Shack contains an 8-bit character set. [1] It is partially derived from ASCII , and shares the code points from 32 - 95 on the standard model. Code points 96 - 127 are supported on models that have been fitted with a lower-case upgrade.
The TRS-80 series of computers were sold via Radio Shack & Tandy dealers in North America and Europe in the early 1980s. Much software was developed for these computers, particularly the relatively successful Color Computer I, II & III models, which were designed for both home office and entertainment (gaming) uses.
TRS-80 character set; TRS-80 Model 4; TRS-80 Model II; TRSDOS; V. VTech Laser 200 This page was last edited on 21 July 2024, at 17:05 (UTC). Text is available under ...
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