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0054
0054
0054
0054
3E01
D310
0056
0058
3E01
005A
D314
3E01
005C
D318
005E
0060
3E01
0062
D31C
0064
0064
0064
0064
3E03
0066
CD8700
0069
CD8700
006C
3E40
006E
CD8700
0071
3ECE
0073
CD8700
3E27
0076
0078
CD 8 7 0 0
007B
CD7E00
007E
DB12
0080
DB16
0082
DB1A
0084
DB1E
0086
C9
0087
0087
D313
0089
D317
008B
D31B
008D
D31F
008F
C9
0090
0090
North Star HSIO-4
•
r
; HS IO -4 initialization routine
/
INIT
MV I
A f BAUDA
OUT
PORTA+BAUD
MV I
A,BAUDB
OUT
PORTB+BAUD
MV I
A ,BAUDC
OUT
PORTC+BAUD
MV I
A ,BAUDD
OUT
PORTD+BAUD
•
t
; Interrupt masks are cleared at power up
/
•
MV I
A, 3
CALL
USTAT
CALL
USTAT
MV I
A, 40H
CALL
USTAT
MV I
A f0CEH
CALL
USTAT
MV I
A, 27H
USTAT
CALL
CALL
INJNK
INJNK
IN
PORTA+UDAT
IN
PORTB+UDAT
IN
PORTC+UDAT
IN
PORTD+UDAT
RET
•
/
USTAT
OUT
PORTA+USTA
OUT
PORTB+USTA
OUT
PORTC+USTA
OUT
PORTD+USTA
RET
/
•
END
;Set baud rates
;Give USART commands
;to reset.
;Give mode command
;2 STOP BITS, 16*CLK,
;Give command.
;CMD: RTS,ER,RXF,DTR,TXEN
;Read junk twice
;Output command to
;A11 HSIO-4 channels
32
User/Technical Manual
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