149 lines
3.7 KiB
ArmAsm
149 lines
3.7 KiB
ArmAsm
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;;
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;; Names of hardware registers - slightly modified names from C64 Programmer's Reference Guide
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;;
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;; CPU memory registers
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.alias CPU_D6510 $00
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.alias CPU_R6510 $01
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;; VIC-II registers
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.alias VIC_SP0X $D000
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.alias VIC_SP0Y $D001
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.alias VIC_SP1X $D002
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.alias VIC_SP1Y $D003
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.alias VIC_SP2X $D004
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.alias VIC_SP2Y $D005
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.alias VIC_SP3X $D006
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.alias VIC_SP3Y $D007
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.alias VIC_SP4X $D008
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.alias VIC_SP4Y $D009
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.alias VIC_SP5X $D00A
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.alias VIC_SP5Y $D00B
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.alias VIC_SP6X $D00C
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.alias VIC_SP6Y $D00D
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.alias VIC_SP7X $D00E
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.alias VIC_SP7Y $D00F
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.alias VIC_MSIGX $D010
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.alias VIC_SCROLY $D011
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.alias VIC_RASTER $D012
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.alias VIC_LPENX $D013
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.alias VIC_LPENY $D014
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.alias VIC_SPENA $D015
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.alias VIC_SCROLX $D016
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.alias VIC_YXPAND $D017
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.alias VIC_YMCSB $D018
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.alias VIC_IRQ $D019
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.alias VIC_IRQMSK $D01A
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.alias VIC_SPBGPR $D01B
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.alias VIC_SPMC $D01C
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.alias VIC_XXPAND $D01D
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.alias VIC_SPSPCL $D01E
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.alias VIC_SPBGCL $D01F
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.alias VIC_EXTCOL $D020
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.alias VIC_BGCOL0 $D021
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.alias VIC_BGCOL1 $D022
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.alias VIC_BGCOL2 $D023
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.alias VIC_BGCOL3 $D024
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.alias VIC_SPMC0 $D025
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.alias VIC_SPMC1 $D026
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.alias VIC_SP0COL $D027
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.alias VIC_SP1COL $D028
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.alias VIC_SP2COL $D029
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.alias VIC_SP3COL $D02A
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.alias VIC_SP4COL $D02B
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.alias VIC_SP5COL $D02C
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.alias VIC_SP6COL $D02D
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.alias VIC_SP7COL $D02E
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;; SID registers
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.alias SID_FRELO1 $D400
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.alias SID_FREHI1 $D401
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.alias SID_PWLO1 $D402
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.alias SID_PWHI1 $D403
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.alias SID_VCREG1 $D404
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.alias SID_ATDCY1 $D405
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.alias SID_SUREL1 $D406
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.alias SID_FRELO2 $D407
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.alias SID_FREHI2 $D408
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.alias SID_PWLO2 $D409
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.alias SID_PWHI2 $D40A
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.alias SID_VCREG2 $D40B
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.alias SID_ATDCY2 $D40C
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.alias SID_SUREL2 $D40D
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.alias SID_FRELO3 $D40E
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.alias SID_FREHI3 $D40F
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.alias SID_PWLO3 $D410
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.alias SID_PWHI3 $D411
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.alias SID_VCREG3 $D412
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.alias SID_ATDCY3 $D413
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.alias SID_SUREL3 $D414
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.alias SID_CUTLO $D415
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.alias SID_CUTHI $D416
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.alias SID_RESON $D417
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.alias SID_SIGVOL $D418
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.alias SID_POTX $D419
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.alias SID_POTY $D41A
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.alias SID_RANDOM $D41B
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.alias SID_ENV3 $D41C
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;; CIA #1 registers
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.alias CIA1_PRA $DC00
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.alias CIA1_PRB $DC01
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.alias CIA1_DDRA $DC02
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.alias CIA1_DDRB $DC03
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.alias CIA1_TIMALO $DC04
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.alias CIA1_TIMAHI $DC05
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.alias CIA1_TIMBLO $DC06
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.alias CIA1_TIMBHI $DC07
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.alias CIA1_TODTEN $DC08
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.alias CIA1_TODSEC $DC09
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.alias CIA1_TODMIN $DC0A
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.alias CIA1_TODHRS $DC0B
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.alias CIA1_SDR $DC0C
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.alias CIA1_ICR $DC0D
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.alias CIA1_CRA $DC0E
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.alias CIA1_CRB $DC0F
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;; CIA #2 registers
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.alias CIA2_PRA $DD00 ; VIC bank switching and IEC port
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.alias CIA2_PRB $DD01
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.alias CIA2_DDRA $DD02
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.alias CIA2_DDRB $DD03
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.alias CIA2_TIMALO $DD04
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.alias CIA2_TIMAHI $DD05
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.alias CIA2_TIMBLO $DD06
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.alias CIA2_TIMBHI $DD07
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.alias CIA2_TODTEN $DD08
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.alias CIA2_TODSEC $DD09
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.alias CIA2_TODMIN $DD0A
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.alias CIA2_TODHRS $DD0B
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.alias CIA2_SDR $DD0C
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.alias CIA2_ICR $DD0D
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.alias CIA2_CRA $DD0E
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.alias CIA2_CRB $DD0F
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;; CIA #2 helper bits - IEC bus
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.alias BIT_CIA2_PRA_ATN_OUT $08 ; 1 - low (pulled), 0 - high (released)
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.alias BIT_CIA2_PRA_CLK_OUT $10 ; 1 - low (pulled), 0 - high (released)
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.alias BIT_CIA2_PRA_DAT_OUT $20 ; 1 - low (pulled), 0 - high (released)
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.alias BIT_CIA2_PRA_CLK_IN $40 ; 0 - low (pulled), 1 - high (released)
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.alias BIT_CIA2_PRA_DAT_IN $80 ; 0 - low (pulled), 1 - high (released)
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