kENTRY=$5FFC
START=$58A0

PAUSE=$592B
CDNLOOP1=$5931
CDNLOOP2=$59BF
SCANLOOP=$590D
CUESELCT=$5CBA ; not sure about this yet

VIAOPA=$5400
VIAOPB=$5402
VIADDRA=$5401
VIADDRB=$5403
TIMER=$57FF
COUNTER=$500C

ARM1STATE=$5007
ARM2STATE=$5008
AUDSTATE=$500D
OPACACHE=$500F
OPBCACHE=$5010
D1MASK=$5011 ; possible deck 1 mask - inits to 01010101 on PA
D2MASK=$5000 ; possible deck 2 mask - inits to 01010101 on PA

CONST0=$5FE0 ; 0x03 - which inputs to scan for arm activity?
CONST1=$5FE1 ; 0x40
CONST2=$5FE2 ; 0x04 - deck cue button offset?
CONST3=$5FE3 ; 0x10 - deck mutes offset?
CONST4=$5FE4 ; 0x40
CONST5=$5FE5 ; 0x01
CONST6=$5FEA ; 0x0C
CONST7=$5FEB ; 0x80