ScuzzBlog: Diaries December 2020

Entry 15th December 2020: Post 1: TRS-80 Model 100 - Portable.

TRS-80 Model 100 - Portable.

Not like me to leave batteries in a computer, so I was a little
surprised to discover that I had left the batteries in the TRS-80
Portable. In removing them I decided to take a few snapshots.

The computer was working just fine. You get a red light when the
machine is low on battery power. The trick I find with these kind
of computers is never set the memory on.

I did type the line correctly on screen. Somehow I had managed to
flick on the num-pad keys in the dark and so the U and I came out
as 4 and 5. I'm sure you get the message.

The Tandy Radio Shack TRS-80 Model 100 Portable is a computer made
by Kyocera in Japan. The programs in ROM were the creation of Bill
Gates (personally) and Microsoft. They include a telecommunications
program and BASIC. The unit features a 300 baud built in modem.

TRS-80 Model 100 Portable sold by Radio Shack in the USA. 1983.
Uses an enhanced version of Microsoft BASIC.
Keyboard is a typewriter full size with 8 function keys.
The processor is an Intel 80c85 CPU running at 3MHz.
RAM 8KB up to 32KB. And ROM 32KB up to 64KB.
Has a 40 x 8 LCD screen supporting 240x64 full dot matrix. Monochrome.
Power supply is a 6v DC -1.1w or 4 x AA batteries.
Ports for Centronics, Tape, Bar Code, RS232, Phone.

TRS-80 Model 100 - Portable.

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Last updated 15th December 2020

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