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#atari-8-bit

2 posts

RetrogamingDeep Dive October 4, 2026 10 min read

Atari 8-Bit ANTIC Display Lists: LMS, Scrolling, DLI, and DMA Steals

Understand ANTIC as a display-list processor with independent list and screen pointers, LMS fetches, scroll modifiers, display-list interrupts, and cycle stealing.

#atari-8-bit#antic#display-list

RetrogamingDeep Dive October 4, 2026 8 min read

Atari POKEY Dual-Channel Timers: Audio Dividers, Polynomial Clocks, and IRQs

Model POKEY channel pairing, AUDF/AUDC dividers, polynomial sources, timer IRQs, and AUDCTL changes as observable clocked hardware.

#atari-8-bit#pokey#audio