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The Atari '1200XL'

Announced 1982
Released 1982
CPU MOS 6502C, running at 1,79 Mhz (NTSC)
or at 1,77 Mhz (PAL)
Memory 64 kBytes RAM
16 kBytes ROM (XL OS)
Custom LSI chips ANTIC
GTIA (in earlier versions use of the CTIA)
POKEY
PIA
Sound 4 channels: 3,5 octaves each
I/O Cartridge slot, 16 kBytes address space
2 joystick (serial) ports
Atari Serial I/O (SIO)
RF Interface
Storage Tape drive
Disk drive
Keyboard 55 keys + alternate international character set,
typewriter-style, fully redefinable
Function keys Reset, Option, Select, Start, Help, F1...F4
Built-in software Diagnostic software, graphics demonstration software

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