Telmac 1800
The Telmac 1800[1] was an early microcomputer delivered in kit form. It was introduced in 1977 by Telercas Oy,[2] the Finnish importer of RCA microchips. Most of the 2,000 kits manufactured were bought by electronics enthusiasts[1] in Finland, Sweden and Norway.
 | |
| Type | Home computer, Computer kit |
|---|---|
| Release date | 1977 |
| Media | Compact Cassette |
| CPU | RCA 1802 (COSMAC) microprocessor CPU |
| Memory | 2 kB RAM, expandable to 4 kB |
| Graphics | RCA CDP1861 64×128 pixels display resolution |
| Successor | Telmac TMC-600 / Telmac TMC-2000 |
Telmac 1800 Microcomputer
Telmac 1800 Microcomputer
An expansion board, OSCOM, later became available, and included an alphanumeric video display, and up to 12 kB of memory. A 4 kB Tiny BASIC could be run on this configuration.[3]
The first-ever commercial video game to be developed in Finland, Chesmac (fi), was developed by Raimo Suonio on a Telmac 1800 computer in 1979.
The Telmac 1800 was followed by the Oscom Nano and the Telmac 2000.
Major features
- RCA 1802 (COSMAC) microprocessor CPU @ 1.75MHz[2]
- Cassette tape interface
- 2 kB RAM, expandable to 4 kB[2]
- RCA CDP1861 'Pixie' video chip, 64×128 pixels display resolution [1][2]
- Sound limited to a fixed frequency tone [2]
- Able to run a CHIP-8 interpreter
References
- "Telmac". www.hobbylabs.org.
- https://www.emma02.hobby-site.com/telmac1800.html
- "1977:Telmac 1800". HobbyLabs. October 2007. Retrieved 2008-04-06.
External links
- Revival Studios Developer of new Chip-8/SuperChip/MegaChip8 games.
- Telmac 1800 schematics.
See also
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