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- ;==========================================================================;
- ; QuadRAM QuadPort board hardware constants ;
- ;==========================================================================;
-
- ;--------------------------------------------------------------------------;
- ; Information ;
- ;--------------------------------------------------------------------------;
-
- max_port_qrqp EQU 5 ; Number of COM ports on this board
-
- ;--------------------------------------------------------------------------;
- ; Addresses ;
- ;--------------------------------------------------------------------------;
-
- base1_qrpt EQU 280H ; Possible board addresses
- base2_qrpt EQU 288H ;
-
- basem_qrqp EQU 10001000B ; Mask to derive base address
-
- ;--------------------------------------------------------------------------;
- ; Address offsets ;
- ;--------------------------------------------------------------------------;
-
- qintr_qrpt EQU 53H ; Master interrupt register
- irq2_qrpt EQU 1 ; Use IRQ 3
- irq3_qrpt EQU 1 ; Use IRQ 3
- irq4_qrpt EQU 2 ; Use IRQ 4
- irq5_qrpt EQU 2 ; Use IRQ 4
-
- paofs_qrpt EQU 00H ; Offset to port a
- pbofs_qrpt EQU 10H ; Offset to port b
- pcofs_qrpt EQU 20H ; Offset to port c
- pdofs_qrpt EQU 30H ; Offset to port d
- peofs_qrpt EQU 40H ; Offset to port e
-