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- ; 68000 status register bits.
-
- ; Custom chip registers.
-
- custom: equ $dff000
- bltddat: equ $000
- dmaconr: equ $002
- vposr: equ $004
- vhposr: equ $006
- dskdatr: equ $009
- joy0dat: equ $00a
- joy1dat: equ $00c
- clxdat: equ $00e
- adkconr: equ $010
- pot0dat: equ $012
- pot1dat: equ $014
- potgor: equ $016
- serdatr: equ $018
- dskbytr: equ $01a
- intenar: equ $01c
- intreqr: equ $01e
- dskpth: equ $020
- dskptl: equ $022
- dsklen: equ $024
- dskdat: equ $026
- refptr: equ $028
- vposw: equ $02a
- vhposw: equ $02c
- copcon: equ $02e
- serdat: equ $030
- serper: equ $032
- potgo: equ $034
- joytest: equ $036
- strequ: equ $038
- strvbl: equ $03a
- strhor: equ $03c
- strlong: equ $03e
- bltcon0: equ $040
- bltcon1: equ $042
- bltafwm: equ $044
- bltalwm: equ $046
- bltcpth: equ $048
- bltcptl: equ $04a
- bltbpth: equ $04c
- bltbptl: equ $04e
- bltapth: equ $050
- bltaptl: equ $052
- bltdpth: equ $054
- bltdptl: equ $056
- bltsize: equ $058
- bltcmod: equ $060
- bltbmod: equ $062
- bltamod: equ $064
- bltdmod: equ $066
- bltcdat: equ $070
- bltbdat: equ $072
- bltadat: equ $074
- dsksync: equ $07e
- cop1lch: equ $080
- cop1lcl: equ $082
- cop2lch: equ $084
- cop2lcl: equ $086
- copjmp1: equ $088
- copjmp2: equ $08a
- copins: equ $08c
- diwstrt: equ $08e
- diwstop: equ $090
- ddfstrt: equ $092
- ddfstop: equ $094
- dmacon: equ $096
- clxcon: equ $098
- intena: equ $09a
- intreq: equ $09c
- adkcon: equ $09e
- aud0lch: equ $0a0
- aud0lcl: equ $0a2
- aud0len: equ $0a4
- aud0per: equ $0a6
- aud0vol: equ $0a8
- aud0dat: equ $0aa
- aud1lch: equ $0b0
- audilcl: equ $0b2
- aud1len: equ $0b4
- aud1per: equ $0b6
- aud1vol: equ $0b8
- aud1dat: equ $0ba
- aud2lch: equ $0c0
- aud2lcl: equ $0c2
- aud2len: equ $0c4
- aud2per: equ $0c6
- aud2vol: equ $0c8
- aud2dat: equ $0ca
- aud3lch: equ $0d0
- aud3lcl: equ $0d2
- aud3len: equ $0d4
- aud3per: equ $0d6
- aud3vol: equ $0d8
- aud3dat: equ $0da
- bpl1pth: equ $0e0
- bpl1ptl: equ $0e2
- bpl2pth: equ $0e4
- bpl2ptl: equ $0e6
- bpl3pth: equ $0e8
- bpl3ptl: equ $0ea
- bpl4pth: equ $0ec
- bpl4ptl: equ $0ee
- bpl5pth: equ $0f0
- bpl5ptl: equ $0f2
- bpl6pth: equ $0f4
- bpl6ptl: equ $0f6
- bplcon0: equ $100
- bplcon1: equ $102
- bplcon2: equ $104
- bpl1mod: equ $108
- bpl2mod: equ $10a
- bpl1dat: equ $110
- bpl2dat: equ $112
- bpl3dat: equ $114
- bpl4dat: equ $116
- bpl5dat: equ $118
- bpl6dat: equ $11a
- spr0pth: equ $120
- spr0ptl: equ $122
- spr1pth: equ $124
- spr1ptl: equ $126
- spr2pth: equ $128
- spr2ptl: equ $12a
- spr3pth: equ $12c
- spr3ptl: equ $12e
- spr4pth: equ $130
- spr4ptl: equ $132
- spr5pth: equ $134
- spr5ptl: equ $136
- spr6pth: equ $138
- spr6ptl: equ $13a
- spr7pth: equ $13c
- spr7ptl: equ $13e
- spr0pos: equ $140
- spr0ctl: equ $142
- spr0data:equ $144
- spr0datb:equ $146
- spr1pos: equ $148
- spr1ctl: equ $14a
- spr1data:equ $14c
- spr1datb:equ $14e
- spr2pos: equ $150
- spr2ctl: equ $152
- spr2data:equ $154
- spr2datb:equ $156
- spr3pos: equ $158
- spr3ctl: equ $15a
- spr3data:equ $15c
- spr3datb:equ $15e
- spr4pos: equ $160
- spr4ctl: equ $162
- spr4data:equ $164
- spr4datb:equ $166
- spr5pos: equ $168
- spr5ctl: equ $16a
- spr5data:equ $16c
- spr5datb:equ $16e
- spr6pos: equ $170
- spr6ctl: equ $172
- spr6data:equ $174
- spr6datb:equ $176
- spr7pos: equ $178
- spr7ctl: equ $17a
- spr7data:equ $17c
- spr7datb:equ $17e
- color00: equ $180
- color01: equ $182
- color02: equ $184
- color03: equ $186
- color04: equ $188
- color05: equ $18a
- color06: equ $18c
- color07: equ $18e
- color08: equ $190
- color09: equ $192
- color10: equ $194
- color11: equ $196
- color12: equ $198
- color13: equ $19a
- color14: equ $19c
- color15: equ $19e
- color16: equ $1a0
- color17: equ $1a2
- color18: equ $1a4
- color19: equ $1a6
- color20: equ $1a8
- color21: equ $1aa
- color22: equ $1ac
- color23: equ $1ae
- color24: equ $1b0
- color25: equ $1b2
- color26: equ $1b4
- color27: equ $1b6
- color28: equ $1b8
- color29: equ $1ba
- color30: equ $1bc
- color31: equ $1be
-
-
-
- tbe: equ 0
- dskblk: equ 1
- soft: equ 2
- ports: equ 3
- coper: equ 4
- vertb: equ 5
- blit: equ 6
- aud0: equ 7
- aud1: equ 8
- aud2: equ 9
- aud3: equ 10
- rbf: equ 11
- dsksyn: equ 12
- exter: equ 13
- inten: equ 14
-
- ; 8250 CIA's port definitions.
-
- ciaa: equ $bfe001
- ciab: equ $bfd000
- pra: equ $000
- prb: equ $100
- ddra: equ $200
- ddrb: equ $300
- talo: equ $400
- tahi: equ $500
- tblo: equ $600
- tbhi: equ $700
- event: equ $800
- sdr: equ $c00
- icr: equ $d00
- cra: equ $e00
- crb: equ $f00
-
- ; CIA A port #A usage.
-
- ovl: equ 0
- led: equ 1
- chng: equ 2
- wrpo: equ 3
- tk0: equ 4
- rdy: equ 5
- fir0: equ 6
- fir1: equ 7
-
- ; CIA B port A usage.
-
- busy: equ 0
- pout: equ 1
- sel: equ 2
- dsr: equ 3
- cts: equ 4
- cd: equ 5
- rts: equ 6
- dtr: equ 7
-
- ; CIA B port B usage.
-
- step: equ 0
- dir: equ 1
- side: equ 2
- sel0: equ 3
- sel1: equ 4
- sel2: equ 5
- sel3: equ 6
- mtr: equ 7
-
- skeys=$bfec01
-
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