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PDP-10 Archives
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bb-bt99g-bb
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dndz11.c10
There is 1 other file named dndz11.c10 in the archive. Click here to see a list.
REP 1/1 ;10C1
.SBTTL DNDZ11 -- DZ11 DRIVER 20 SEP 84
WIT
.SBTTL DNDZ11 -- DZ11 DRIVER 4 DEC 84
REP 8/1 ;10C2
VRDZ11=042 ;FILE EDIT NUMBER
WIT
VRDZ11=045 ;FILE EDIT NUMBER
REP 10/13 ;10C3
DZSPD: PIOFF ; DONT BOTHER ME
MOV R1,-(P) ; SAVE SPEED
SWAB R1 ; SWAP HALVES TO MAKE SURE
CMP R1,(P)+ ; THAT WE AREN'T SETTING SPLIT SPEED.
BNE 99$ ; IF WE ARE, DONT SET SPEED
CMP #B.134,R1 ; IS THIS A 2741??
BEQ 96$ ; IF SO, THEN SPECIAL BITS
BIC #^C377,R1 ; CLEAR EXTRA BITS
BEQ 95$ ; ZERO BAUD == SPECIAL CODE
MOVB DZSPDT(R1),R1 ; GET DZ VERSION
BMI 99$ ; BAD SPEED, PACK IT IN
BIS #DZ.CL8!DZ.2SB!DZ.RON,R2; 2 STOP BITS, 8 DATA BITS
.IF EQ FT2BIT
; 2 IS HARDWARE NUMBER FOR 110 BAUD
CMP R1,#2 ; FASTER THAN 110?
BLOS .+6
BIC #DZ.2SB,R2 ; CLEAR STOP BIT
.ENDC
97$: BIC #^C17,R1 ; CLEAR EXTRA BITS
SWAB R1 ; POSITION BITS
ADD R2,R1
MOV R1,DZ.RBF(R0) ; SET LINE SPEED
98$: PION
CLC ; CLEAR ERROR FLAG
WIT
DZSPD: PIOFF ;DONT BOTHER ME
MOV R1,-(P) ;SAVE SPEED
SWAB R1 ;BELIEVE ONLY TERMINAL TRANSMIT SPEED
MOVB R1,(P) ;POSITION FOR RETURN SPEED
CMP #B.134,R1 ;IS THIS A 2741??
BEQ 96$ ;IF SO, THEN SPECIAL BITS
BIC #^C377,R1 ;CLEAR EXTRA BITS
BEQ 95$ ;ZERO BAUD == SPECIAL CODE
MOVB DZSPDT(R1),R1 ;GET DZ VERSION
BMI 99$ ;BAD SPEED, PACK IT IN
BIS #DZ.CL8!DZ.2SB!DZ.RON,R2; 2 STOP BITS, 8 DATA BITS
.IF EQ FT2BIT
CMP R1,#2 ;FASTER THAN 110?
BLOS .+6
BIC #DZ.2SB,R2 ;CLEAR STOP BIT
.ENDC
97$: BIC #^C17,R1 ;CLEAR EXTRA BITS
SWAB R1 ;POSITION BITS
ADD R2,R1
MOV R1,DZ.RBF(R0) ;SET LINE SPEED
98$: MOV (P)+,R1 ;RETURN ACTUAL SPEED VALUE
PION ;RESTORE PI LEVEL
CLC ;CLEAR ERROR FLAG
REP 39/13 ;10C4
96$: ; HERE IF IT'S A 2741
BIS #DZ..OP!DZ.PEN!DZ.CL6!DZ.RON,R2
; 6 BIT CHARS, AND ENABLE THE RECIEVER
BIC #^C377,R1 ; CLEAR EXTRA BITS
MOVB DZSPDT(R1),R1 ; LOAD THE SPEED,
BR 97$ ; AND BACK TO MAIN-LINE CODE
99$: PION
SEC
RTS PC ; RETURN CARRY SET. I.E. ERROR
95$: MOV R2,DZ.RBF(R0) ; SELECT LINE, BUT NO RECIEVE ACTIVE
BR 98$ ; RETURN
WIT
96$: ;HERE IF IT'S A 2741
BIS #DZ..OP!DZ.PEN!DZ.CL6!DZ.RON,R2
; 6 BIT CHARS, AND ENABLE THE RECIEVER
BIC #^C377,R1 ;CLEAR EXTRA BITS
MOVB DZSPDT(R1),R1 ;LOAD THE SPEED,
BR 97$ ;AND BACK TO MAIN-LINE CODE
99$: TST (P)+ ;PITCH BOGUS SPEED VALUE
PION ;RESTORE PI LEVEL
SEC ;SET ERROR FLAG
RTS PC ;RETURN CARRY SET. I.E. ERROR
95$: MOV R2,DZ.RBF(R0) ;SELECT LINE, BUT NO RECIEVE ACTIVE
BR 98$ ;RETURN
REP 19/18 ;10C5
.IF EQ DGUTS
WIT
.IF NE DGUTS
SUM 187319