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40 lines
1.1 KiB
Plaintext
40 lines
1.1 KiB
Plaintext
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;************************************************
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;* Compupro System Support Board Equates *
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;* File Name: SSBOARD.EQU *
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;* Last Update: 2/10/84 *
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;************************************************
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; Compupro system support board Usart definitions
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ssdatav EQU 00000010b ;system support data available
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ssxmit EQU 00000001b ;system support transmit buffer empty
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ssdatset EQU 10000000b ;system support data set ready
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; Compupro system support board port definitions
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PORT_BASE EQU 50H
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ssmode equ port_base + 0eh ; compupro system support mode
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sscmd equ port_base + 0fh ; compupro system support command
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ssstat equ port_base + 0dh ; compupro system support status
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ssdata equ port_base + 0ch ; compupro system support data
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SYS_SUP_USART equ 0ffh ; Usart number. When the OUSART
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; field is set to 0ffH it means
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; do not select this usart before
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; status, command, or read/write
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; operations.
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NO_SELECT equ 0ffH ; Same as sys_sup_usart
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SS_U equ NO_SELECT
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SLAVE_PIC_PORT equ 52H ; used to turn off the SS usart
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