CPU:          TMS9900 16-bit microprocessor
  Clock Speed:  3.3 MHz
  Memory:       16K RAM expandable to 48K, 26K ROM
  Keyboard:     Standard QWERTY, 48 keys, ASCII, 128 characters
  Video:        Monitor / TV, RF extra. 97 characters displayed
                32(40)x24
  Color:        16 colors
  Graphics:     TMS9918A, 256x192x4 sprite based  (sprites supported
                from Extended BASIC).
                No bitmapped graphics from BASIC, hi-res obtained
                by redefining character codes.
                Machine code bitmap mode available.
  Ports:        1 expansion port
                1 cartridge port
                1 cassette drive port
                  (capable of supporting two cassette drives)
                1 joystick port (supporting two analog joysticks)
                1 video port 
                RS-232 interface (with Peripheral Expansion Box)
  Sound:        TMS9919, 3 voice (5 octaves) 1 noise
  Tape:         normal cassette recorder via interface cable
                450 baud transfer rate
  Disk:         92K external drive

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