Galaksija Plus - Specifications

Specifications

• CPU: ZiLOG Z80A 3.072 MHz
• ROMs:
  • Original ROM "A" or "1" - 4 KB (in 2764 EPROM together with ROM "B") contains bootstrap, core control and Galaksija BASIC interpreter code
  • Original ROM "B" or "2" - 4 KB (in 2764 EPROM together with ROM "A") - additional Galaksija BASIC commands, assembler, Machine code monitor, etc.
  • Additional ROM "C" or "3" - 2 KB (in 2716 EPROM) - additional firmware specific to Galaksija Plus (e.g. graphics mode drivers and handling)
  • Character ROM - 2 KB (2716 EPROM) contains character definitions
• RAM: 48 KB of 4416 static RAM, 46 KB accessible
• Text mode 32 x 16 characters, monochrome
• Graphics mode: 256x208
• Sound: 3-channels + white noise provided by AY-3-8912.
• Storage media: cassette tape, recording at either 280 or 1200 bit/s rate
• I/O ports: 44-pin Edge connector with Z80 Bus, tape (DIN connector), monochrome video out (PAL timings, DIN connector), UHF TV out (RCA connector) and two 8-bit parallel ports (e.g. printer and general port)