XE-Game System Technical specifications
| Date of release | 1987 |
| CPU | MOS 6502C (custom design, NOT 65C02), runs at 1.78 MHz (CPU) |
| Graphics | The "ANTIC"
processor has direct RAM-access Handles NMI's Colors available: 256, colors on screen: 16 Resolution: 320 x 192 The "GTIA" supports 17 different video modes, text and graphic-modes can be mixed, generates video-signals to the television and handles the sprites Player sprites can be: 8 x 128 or 8 x 256 pixels Missile sprites can be: 2 x 128 or 2 x 256 pixels Responsible for collision detection and reading joystick trigger buttons and controlling which controller is being read by POKEY |
| Text mode | 40 x 24 characters |
| Sound | "POKEY":
4 channels,
also keypad and joystick control, random number generator, IRQ-handling, 3 high-speed-counters |
| Memory |
64 KBytes of RAM
24 KBytes of ROM (Atari OS) |
| Interfaces | 1* cartridge port 1* Expansion port (ECI) 2* joystick ports 1* serial 1* composite 1* RF |
| Keyboard | Type-writer-style keyboard (QWERTY), 62 keys |
| Miscelleaneous | Missile Command built-in |