Telmac 2000
Telmac 2000

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Info
   
Setname:  tmc2000   
Year: 1980
Manufacturer: Telercas Oy
Status: good  works
Type: Kit Computer
Clones: OSCOM Nano
Emulation info
   
Overall emulation:  good   
Color emulation:  good  
Sound emulation:  good  
Graphics emulation:  good  
Savestates:  supported   

Tech info
Chips
CDP1802 ("cdp1802")cpu 1750000 Hz
Speaker ("mono")audio
CDP1864 ("m3")audio 1750000 Hz
Screens
Screen ("screen")raster horizontal 96 x 288 @ 50.080128
Media devices
quickload ("quickload") quickload quik bin
cassette ("cassette") cassette cass wav
BIOS options
prom200 PROM N:o 200
prom202 PROM N:o 202
tool2000 TOOL-2000
RAM options
4K 4096
16K 16384
32K 32768

Romset info
ROM NameSizeCRC32SHA1Dump StateBIOS option
200.m5512 79da3221008da3ef4f69ab1a493362dfca856375b19c94bdbaddumpprom200
202.m5512 nodumpprom202
tool20002048 nodumptool2000
Sysinfo



Usage


MESS currently supports the tmc2000 with a "cassette" (cass) device, supporting tapes in .wav format.

Also, a "quickload" (quik) feature is present for .bin files.

Keyboard

This system requires full keyboard emulation to work correctly. At startup, full keyboard emulation mode is enabled by default. Whilst in full keyboard emulation mode, some key associated functionality may be disabled (like the ESC key for EXIT). The keyboard emulation mode is toggled using the "Scroll Lock" key (by default).

RAM options

Different RAM configurations are possible for the tmc2000 in MESS. You can switch between them, changing the -ramsize parameter. At command line, you simply have to add ''-ramsize ram_value'', where //ram_value// can assume one of the following values

16k (default)
32k


History and Trivia


Telmac 1800 was a simple CDP1802 system introduced here in Finland around 1977. It was designed by Osmo Kainulainen, who built his own computer using a RCA CDP1801, that he already knew from his job. The design was published in a magazine and more or less started the hobby computing age in Finland by soon turning into Telmac 1800 kit, which used CDP1802. It was quite similar to COSMAC VIP, but not exactly the same.

Telmac 1800 was manufactured by Telercas Oy, which also was a distributor of RCA components in Finland. It was delivered as a kit and gained quite a big success.

The Telmac 1800 was followed by Oscom Nano and Telmac 2000, which had PAL version video chip (1864) with color also supported and more RAM, board could hold 16k bytes.

Finally, the more professional TMC-600 followed.

(info from hobbylabs.org)


Links


* Telmac at hobbylabs.org -- http://www.hobbylabs.org/telmac.htm



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