; Atari VCS (Atari 2600) ; TIA registers (read) CXM0P = $00 CXM1P = $01 CXP0FB = $02 CXP1FB = $03 CXM0FB = $04 CXM1FB = $05 CXBLPF = $06 CXPPMM = $07 INPT0 = $08 INPT1 = $09 INPT2 = $0A INPT3 = $0B INPT4 = $0C INPT5 = $0D ; TIA registers (write) VSYNC = $00 w VBLANK = $01 w WSYNC = $02 w RSYNC = $03 w NUSIZ0 = $04 w NUSIZ1 = $05 w COLUP0 = $06 w COLUP1 = $07 w COLUPF = $08 w COLUBK = $09 w CTRLPF = $0A w REFP0 = $0B w REFP1 = $0C w PF0 = $0D w PF1 = $0E w PF2 = $0F w RESP0 = $10 w RESP1 = $11 w RESM0 = $12 w RESM1 = $13 w RESBL = $14 w AUDC0 = $15 w AUDC1 = $16 w AUDF0 = $17 w AUDF1 = $18 w AUDV0 = $19 w AUDV1 = $1A w GRP0 = $1B w GRP1 = $1C w ENAM0 = $1D w ENAM1 = $1E w ENABL = $1F w HMP0 = $20 w HMP1 = $21 w HMM0 = $22 w HMM1 = $23 w HMBL = $24 w VDELP0 = $25 w VDELP1 = $26 w VDELBL = $27 w RESMP0 = $28 w RESMP1 = $29 w HMOVE = $2A w HMCLR = $2B w CXCLR = $2C w ; RIOT registers SWCHA = $0280 SWACNT = $0281 SWCHB = $0282 SWBCNT = $0283 INTIM = $0284 TIMINT = $0285 TIM1T = $0294 TIM8T = $0295 TIM64T = $0296 T1024T = $0297 ; Other RESET = $FFFC IRQ = $FFFE NMI = $FFFA