The Atari 800XL is a home computer produced by the American company Atari, Inc. It is based on a custom variant of the 6502 microprocessor. The computer is an evolution of the Atari 1200XL, …

The Atari 800XL was the third version of the Atari 8-bit line of computers introduced in 1983. The system contained a full 64K of memory, had all the standard VLSI chips (Antic, GTIA, Pokey, PIA) and was …

Aug 9, 2025 · The Atari 800XL is a home computer released by Atari, Inc. in 1983 as part of the Atari 8-bit family. It combined the improved electronics of the XL line with a revised, compact case and a full …

The Atari 800 and 800XL were the work of Texas Instruments and the Atari company. They were fairly equal, but the Atari 800XL had more graphics modes and two less joystick ports.

Find rare and vintage Atari 800XL computers, from fully functional setups to essential parts and manuals. Relive the nostalgia! Explore Vintage Atari on eBay!

Jun 4, 2020 · The Atari 800 was much larger than later home computers including the 800XL. Its large size accommodated two cartridge ports, five memory expansion slots, and four controller ports.

The OS was still slightly incompatible with many original Atari 400/800 software titles, but Atari began to distribute a "Translator" disk which would load up a 400/800 compatible OS into memory so that the …

The Atari 800XL, together with the 600XL, were successors of the Atari 400/800 series and the unsuccessful Atari 1200 XL in a more compact case. They could use almost the same software, just …

The 600XL and 800XL models were the first Atari computers with BASIC in ROM. The Atari 800XL introduced a new high-speed expansion bus called "Parallel Bus Interface" or PBI.

Atari has gone through two or three versions of XL/XE power supplies to date. The latest is in a larger case, well ventilated, capable of providing 5 volts at 1.5 amps, and 50 percent more power capacity …