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4 posts
Reproduce TIA horizontal motion by separating coarse reset strobes, signed motion-register clocks, HMOVE timing, and the scanline's visible comb artifact.
Understand ANTIC as a display-list processor with independent list and screen pointers, LMS fetches, scroll modifiers, display-list interrupts, and cycle stealing.
Model C64 VIC-II bad-line conditions, video-matrix fetches, BA/AEC arbitration, and raster interrupts without assuming a constant CPU budget.
Implement Master System horizontal interrupts by separating the VDP line counter, active-display reload rules, frame IRQ, status acknowledgement, and model timing.