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Atari 'XEGS'
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 |
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