Technical Specifications

CPU : TI TMS 9900 (with 256 bytes ‘cache’, actually it accesses to 256 bytes of RAM)
ROM : 26 Kb : 8 Kb ROM connected to the CPU + 18 Kb ROM in byte-serial bit-mapped circuits
RAM : 16 Kb + 16 Kb Video Ram
Display : Television
Text display : 32 x 24 (16 colours), 40 x 24 (2 colours)
Graphics display : 48 x 64 with 16 colors, 256 x 192 with 16 colors + Hardware Sprites
Colours : 16
Sound : 3 channels, 5 octaves (110hz to 55khz) and 1 noise channel (periodic and white)
Keyboard : Full size QWERTY keyboard
Interface : Tape interface, RGB video, 2 x Joystick, cartridge slot (solid state cartridge)
Data Storage : Tape and cartridge
Power Supply : Special TI external PSU – (pins 1,2 : 16v / 1,6A — pins 2,4 : 8v / 0,15A)