ANTIC
Registers
The Atari 8-bit computers and the Atari 5200 console map the ANTIC chip to the $D4xxₕₑₓ page. ANTIC provides 15 Read/Write registers controlling Playfield display parameters, DMA for Player/Missile graphics, fine scrolling, light pen input, and interrupts.

ANTIC

Section Title: Registers
Table Section Text: The Atari 8-bit computers and the Atari 5200 console map the ANTIC chip to the $D4xxₕₑₓ page. ANTIC provides 15 Read/Write registers controlling Playfield display parameters, DMA for Player/Missile graphics, fine scrolling, light pen input, and interrupts.

Name	Description	Read/Write	Hex Addr	Dec Addr	Shadow Name	Shadow Hex Addr	Shadow Dec Addr

DMACTL	Direct Memory Access Control	Write	$D400	54272	SDMCTL	$022F	559

CHACTL	Character Control	Write	$D401	54273	CHART	$02F3	755

DLISTL	Display List Pointer (low byte)	Write	$D402	54274	SDLSTL	$0230	560

DLISTH	Display List Pointer (high byte)	Write	$D403	54275	SDLSTH	$0231	561

HSCROL	Horizontal Fine Scroll	Write	$D404	54276

VSCROL	Vertical Fine Scroll	Write	$D405	54277

PMBASE	Player/Missile Base Address	Write	$D407	54279

CHBASE	Character Set Base Address	Write	$D409	54281	CHBAS	$02F4	756

WSYNC	Wait for Horizontal Sync	Write	$D40A	54282

VCOUNT	Vertical Line Counter	Read	$D40B	54283

PENH	Light Pen Horizontal Position	Read	$D40C	54284	LPENH	$0234	564

PENV	Light Pen Vertical Position	Read	$D40D	54285	LPENV	$0235	565

NMIEN	Non-Maskable Interrupt (NMI) Enable	Write	$D40E	54286

NMIRES	Non-Maskable Interrupt (NMI) Reset	Write	$D40F	54287

NMIST	Non-Maskable Interrupt (NMI) Status	Read	$D40F	54287

Sentence(s)

The DLIST registers are updated by using the values in shadow registers SDLSTL/SDLSTH ($0230-$0231ₕₑₓ/560-561dec).

final_sentence: The DLIST registers are updated by using the values in shadow registers SDLSTL/SDLSTH ($0230-$0231ₕₑₓ/560-561dec).