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A real-time clock is incorporated in the CIA, providing a timekeeping device more conducive to human needs than the microsecond precision of the interval timers. Time is kept in the American 12-hour AM/PM format. The TOD clock consists of four read/write registers: hours (with bit 7 acting as the AM/PM flag), minutes, seconds and tenths of a ...
Choplifter (stylized as Choplifter!) is a military-themed scrolling shooter developed by Dan Gorlin for the Apple II and published by Broderbund in 1982. It was ported to the Atari 8-bit computers the same year, and also to the VIC-20, Commodore 64, Atari 5200 (released in February 1984), [6] ColecoVision, MSX, and Thomson computers.
Atari had built their first display driver chip, the Television Interface Adaptor but universally referred to as the TIA, as part of the Atari 2600 console. [8] The TIA display logically consisted of two primary sets of objects, the "players" and "missiles" that represented moving objects, and the "playfield" which represented the static background image on which the action took place.
This gave the ColecoVision a significant advantage as its pack-in, Donkey Kong, delivered a more authentic arcade experience than any previous game cartridge. [28] In its list of the top 25 game consoles of all time, IGN claimed that the main reason for the 5200's market failure was the technological superiority of its competitor, [ 29 ] while ...