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custom.i

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+    IFND    CUSTOM_I
+CUSTOM_I    SET 1
+
+; Amiga Custom Chip Registers
+; Base Address: $DFF000
+
+CUSTOM      EQU $DFF000
+
+; DMA Control
+DMACON      EQU $096
+DMACONR     EQU $002
+
+; Interrupts
+INTENA      EQU $09A
+INTENAR     EQU $01C
+INTREQ      EQU $09C
+INTREQR     EQU $01E
+
+; Copper
+COP1LCH     EQU $080
+COP1LCL     EQU $082
+COP2LCH     EQU $084
+COP2LCL     EQU $086
+COPJMP1     EQU $088
+COPJMP2     EQU $08A
+
+; Bitplanes
+BPLCON0     EQU $100
+BPLCON1     EQU $102
+BPLCON2     EQU $104
+BPL1MOD     EQU $108
+BPL2MOD     EQU $10A
+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
+
+; Display Window
+DIWSTRT     EQU $08E
+DIWSTOP     EQU $090
+DDFSTRT     EQU $092
+DDFSTOP     EQU $094
+
+; Colors
+COLOR00     EQU $180
+COLOR01     EQU $182
+COLOR02     EQU $184
+COLOR03     EQU $186
+COLOR31     EQU $1BE
+
+; CIA Addresses
+CIAA        EQU $BFE001
+CIAB        EQU $BFD000
+CIAPRA      EQU $000
+CIAPRB      EQU $100
+CIAICR      EQU $D00
+
+; Constants
+DMAF_SETCLR EQU $8000
+INTF_SETCLR EQU $8000
+
+    ENDC