Computer collection

Tandy

Tandy TRS-80 desktop and pocket computers.

The collection includes both a TRS-80 desktop system and Tandy’s rebadged Sharp pocket computer.

Detailed entries

1977 and 1980

TRS-80

Tandy TRS-80 Model III computer — Tandy TRS-80 Model III

Released: Model I in 1977; Model III in 1980
CPU: Model I: Z80 at 1.77 MHz; Model III: Z80 at 2 MHz
RAM: 16K or 48K
ROM: 14K
Text: 64×16, black and white
Graphics: 128×48, black and white
Sound: One channel
Storage: Tape and 5.25-inch floppy disks

A business-oriented range that competed with the Commodore PET and Apple II but also found a place in many homes.

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1981

TRS-80 Pocket Computer PC-1

Tandy TRS-80 Pocket Computer PC-1

Released: 1981, as listed in the original collection index
Program memory: 1,424 bytes
Data memories: 26, with more available at the expense of program memory
Display: 24-character alphanumeric LCD
Language: BASIC
Optional interface: Ticket printer and tape

A rebadged Sharp PC-1211 whose lettered data memories could interact unexpectedly with indexed variables.

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