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Tweaks to description of ANTIC chip in _antic.h

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Tweak to comments at the top
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Bill Kendrick 2019-01-13 01:58:10 -08:00 committed by GitHub
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commit 10f44c18a3
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1 changed files with 10 additions and 9 deletions
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include/_antic.h
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@ -5,15 +5,16 @@
/* Internal include file, do not use directly */
/* */
/* */
/* "ANTIC is responsible for the generation of playfield graphics which is */
/* delivered as a datastream to the related CTIA/GTIA chip. The CTIA/GTIA */
/* provides the coloring of the playfield graphics, and is responsible for */
/* adding overlaid sprites referred to as "Player/Missile graphics" by */
/* Atari. Atari advertised it as a true microprocessor, in that it has an */
/* instruction set to run programs (called display lists) to process data. */
/* ANTIC has no capacity for writing back computed values to memory, it */
/* merely reads data from memory and processes it for output to the screen, */
/* therefore it is not Turing complete." - Wikipedia article on "ANTIC" */
/* "ANTIC, Alphanumeric Television Interface Controller, is responsible for */
/* the generation of playfield graphics which is delivered as a datastream */
/* to the related CTIA/GTIA chip. The CTIA/GTIA provides the coloring of the */
/* playfield graphics, and is responsible for adding overlaid sprite */
/* (referred to as "Player/Missile graphics" by Atari). Atari advertised it */
/* as a true microprocessor, in that it has an instruction set to run */
/* programs (called display lists) to process data. ANTIC has no capacity */
/* for writing back computed values to memory, it merely reads data from */
/* memory and processes it for output to the screen, therefore it is not */
/* Turing complete." - Wikipedia article on "ANTIC" (with edits) */
/* */
/* (C) 2000 Freddy Offenga <taf_offenga@yahoo.com> */
/* 24-Jan-2011: Christian Krueger: Added defines for Antic instruction set */