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80 lines
3.9 KiB
Plaintext
80 lines
3.9 KiB
Plaintext
;vcshead.a02 - C02 Assembly Language Header file for Atari 2600
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;based on VCS.H Version 1.05, 13/November/2003
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;https://github.com/munsie/dasm/blob/master/machines/atari2600/vcs.h
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;TIA Registers - Write
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VSYNC EQU $00 ;0000 00x0 Vertical Sync Set-Clear
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VBLANK EQU $01 ;xx00 00x0 Vertical Blank Set-Clear
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WSYNC EQU $02 ;---- ---- Wait for Horizontal Blank
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RSYNC EQU $03 ;---- ---- Reset Horizontal Sync Counter
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NUSIZ0 EQU $04 ;00xx 0xxx Number-Size player/missle 0
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NUSIZ1 EQU $05 ;00xx 0xxx Number-Size player/missle 1
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COLUP0 EQU $06 ;xxxx xxx0 Color-Luminance Player 0
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COLUP1 EQU $07 ;xxxx xxx0 Color-Luminance Player 1
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COLUPF EQU $08 ;xxxx xxx0 Color-Luminance Playfield
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COLUBK EQU $09 ;xxxx xxx0 Color-Luminance Background
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CTRLPF EQU $0A ;00xx 0xxx Control Playfield, Ball, Collisions
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REFP0 EQU $0B ;0000 x000 Reflection Player 0
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REFP1 EQU $0C ;0000 x000 Reflection Player 1
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PF0 EQU $0D ;xxxx 0000 Playfield Register Byte 0
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PF1 EQU $0E ;xxxx xxxx Playfield Register Byte 1
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PF2 EQU $0F ;xxxx xxxx Playfield Register Byte 2
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RESP0 EQU $10 ;---- ---- Reset Player 0
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RESP1 EQU $11 ;---- ---- Reset Player 1
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RESM0 EQU $12 ;---- ---- Reset Missle 0
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RESM1 EQU $13 ;---- ---- Reset Missle 1
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RESBL EQU $14 ;---- ---- Reset Ball
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AUDC0 EQU $15 ;0000 xxxx Audio Control 0
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AUDC1 EQU $16 ;0000 xxxx Audio Control 1
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AUDF0 EQU $17 ;000x xxxx Audio Frequency 0
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AUDF1 EQU $18 ;000x xxxx Audio Frequency 1
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AUDV0 EQU $19 ;0000 xxxx Audio Volume 0
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AUDV1 EQU $1A ;0000 xxxx Audio Volume 1
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GRP0 EQU $1B ;xxxx xxxx Graphics Register Player 0
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GRP1 EQU $1C ;xxxx xxxx Graphics Register Player 1
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ENAM0 EQU $1D ;0000 00x0 Graphics Enable Missle 0
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ENAM1 EQU $1E ;0000 00x0 Graphics Enable Missle 1
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ENABL EQU $1F ;0000 00x0 Graphics Enable Ball
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HMP0 EQU $20 ;xxxx 0000 Horizontal Motion Player 0
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HMP1 EQU $21 ;xxxx 0000 Horizontal Motion Player 1
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HMM0 EQU $22 ;xxxx 0000 Horizontal Motion Missle 0
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HMM1 EQU $23 ;xxxx 0000 Horizontal Motion Missle 1
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HMBL EQU $24 ;xxxx 0000 Horizontal Motion Ball
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VDELP0 EQU $25 ;0000 000x Vertical Delay Player 0
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VDELP1 EQU $26 ;0000 000x Vertical Delay Player 1
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VDELBL EQU $27 ;0000 000x Vertical Delay Ball
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RESMP0 EQU $28 ;0000 00x0 Reset Missle 0 to Player 0
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RESMP1 EQU $29 ;0000 00x0 Reset Missle 1 to Player 1
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HMOVE EQU $2A ;---- ---- Apply Horizontal Motion
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HMCLR EQU $2B ;---- ---- Clear Horizontal Move Registers
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CXCLR EQU $2C ;---- ---- Clear Collision Latches
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;TIA Regisers - Read bit 7 bit 6
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CXM0P EQU $00 ;xx00 0000 Read Collision M0-P1 M0-P0
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CXM1P EQU $01 ;xx00 0000 M1-P0 M1-P1
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CXP0FB EQU $02 ;xx00 0000 P0-PF P0-BL
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CXP1FB EQU $03 ;xx00 0000 P1-PF P1-BL
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CXM0FB EQU $04 ;xx00 0000 M0-PF M0-BL
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CXM1FB EQU $05 ;xx00 0000 M1-PF M1-BL
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CXBLPF EQU $06 ;x000 0000 BL-PF
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CXPPMM EQU $07 ;xx00 0000 P0-P1 M0-M1
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INPT0 EQU $08 ;x000 0000 Read Pot Port 0
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INPT1 EQU $09 ;x000 0000 Read Pot Port 1
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INPT2 EQU $0A ;x000 0000 Read Pot Port 2
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INPT3 EQU $0B ;x000 0000 Read Pot Port 3
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INPT4 EQU $0C ;x000 0000 Read Input (Trigger) 0
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INPT5 EQU $0D ;x000 0000 Read Input (Trigger) 1
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; RIOT Registers
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SWCHA EQU $280 ;Port A data register for joysticks:
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;Bits 4-7 for player 1. Bits 0-3 for player 2.
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SWACNT EQU $281 ;Port A data direction register (DDR)
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SWCHB EQU $282 ;Port B data (console switches)
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SWBCNT EQU $283 ;Port B DDR
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INTIM EQU $284 ;Timer output
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TIM1T EQU $294 ;set 1 clock interval
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TIM8T EQU $295 ;set 8 clock interval
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TIM64T EQU $296 ;set 64 clock interval
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T1024T EQU $297 ;set 1024 clock interval
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