Telmac 1800
The Telmac 1800 was an early microcomputer delivered in kit form. It was introduced in 1977 by Telercas, the Finnish importer of RCA microchips. Most of the 2,000 kits manufactured were bought by electronics enthusiasts in Finland, Sweden and Norway.

An expansion board, OSCOM, later became available, and included an alphanumeric video display, and up to  of memory. A  Tiny BASIC could be run on this configuration.

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.

Major features
 RCA 1802 (COSMAC) microprocessor CPU
 Cassette tape interface
 2 kB RAM, expandable to 4 kB
 64×32 pixels display resolution
 Able to run a CHIP-8 interpreter

References

External links
Revival Studios Developer of new Chip-8/SuperChip/MegaChip8 games.
Telmac 1800 schematics.

Early microcomputers
8-bit computers