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Digital Research
This commit is contained in:
Sepp J Morris
2020-11-06 18:50:37 +01:00
parent 621ed8ccaf
commit 31738079c4
8481 changed files with 1888323 additions and 0 deletions
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40
CPM OPERATING SYSTEMS/CPM 86/CONCURRENT/CCPM-86 3.1 SOURCE/D5/SSBOARD.EQU Normal file
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;************************************************
;* Compupro System Support Board Equates *
;* File Name: SSBOARD.EQU *
;* Last Update: 2/10/84 *
;************************************************
; Compupro system support board Usart definitions
ssdatav EQU 00000010b ;system support data available
ssxmit EQU 00000001b ;system support transmit buffer empty
ssdatset EQU 10000000b ;system support data set ready
; Compupro system support board port definitions
PORT_BASE EQU 50H
ssmode equ port_base + 0eh ; compupro system support mode
sscmd equ port_base + 0fh ; compupro system support command
ssstat equ port_base + 0dh ; compupro system support status
ssdata equ port_base + 0ch ; compupro system support data
SYS_SUP_USART equ 0ffh ; Usart number. When the OUSART
; field is set to 0ffH it means
; do not select this usart before
; status, command, or read/write
; operations.
NO_SELECT equ 0ffH ; Same as sys_sup_usart
SS_U equ NO_SELECT
SLAVE_PIC_PORT equ 52H ; used to turn off the SS usart