Pecom 64

Pecom 64

Developer	Elektronska Industrija Niš
Type	Home computer
Released	1985 (1985)
Media	Compact Cassette
Operating system	BASIC, Assembler
CPU	CDP 1802B 5V7 @ 2.813 MHz
Memory	32 kB
Display	VIS (CDP1869 + CDP1870)
Graphics	40 x 24 characters, 240 x 216 equivalent resolution using semigraphics, 8 colors
Sound	Two channels
Related	Pecom 32

Pecom 64 was an educational and/or home computer developed by Elektronska Industrija Niš of Serbia in 1985. Modern emulators for the system exist, along with software preservation efforts.

Specifications

Pecom 64 PCB

The machine had the following specifications:

• CPU: CDP 1802B 5V7 running at 2.813 MHz
• ROM: 16 KB, with optional 16 KB upgrade containing enhanced editor and assembler
• RAM: 32 KB
• Secondary storage: cassette tape
• VIS: (Video Interface System) CDP1869 / CDP1870
  • Text modes: 40 columns x 24 lines
  • Character set: 128 Programmable characters
  • Character size: 6x9 pixels
  • Graphics modes: None, but the character-set was re programmable (semigraphics) to simulate a 240x216 High Resolution display
  • Colours: A total of 8 foreground colours are available (with a limited choice of 4 per character and 1 per line of that character) and 8 background colours (defined for the whole screen).
• Sound: 2 channels: one for tone generation with a span of 8 octaves, and 1 for special effect/white noise. Volume programmable in 16 steps.
• I/O ports:cassette tape storage, composite and RF video, RS-232 and expansion connector
• Power supply: 220V AC, 0.02 A, 4.5 W (built-in transformer)

See also

• Pecom 32
• Very similar HW and BASIC as used in the Comx-35