Trailing-Edge
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PDP-10 Archives
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decuslib10-10
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43,50517/sysprg.mac
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TITLE SYSPRG
ENTRY SYSPRG
;ALL AC'S DESTROYED & OPEN CHANNELS IGNORED
;DUE TO THE FACT THAT THE PROGRAM IS NEVER GOING BACK TO COBOL
SYSPRG: MOVE 1,-1(16) ;GET NUMBER OF ARGS
AOBJP 1,DORUN ;ONLY ONE ARG JUST DO RUN
MOVE 15,1(16) ;GET TEMP CORE ARG
HRRZ 1,1(15) ;GET SIZE
MOVE 3,(15) ;GET BYTE POINTER
TLNE 3,100 ;SIX OR SEVEN BIT STRING?
SKIPA 4,[5] ;SEVEN DIVIDE BY 7 TO GET SIZE
MOVEI 4,6 ;OR SIX IF SIXBIT.
IDIVI 1,(4) ;COMPUTE SIZE IN WORDS
MOVNI 1,1(1) ;CHANGE SIGN
HRLI 1,(1) ;PUT IN LEFT HALF OF WORD
HRRI 1,-1(3) ;GET STARTING ADDRESS -1
MOVSI (SIXBIT /NXT/) ;NAME FILE NXT
MOVSI 3,3 ;CODE 3 @0 WRITE FILE
TMPCOR 3, ;WRITE FILE IN CORE
JRST DSKIT ;ERROR. PUT ON DSK
DORUN: MOVE 1,(16) ;GET CALL ARG
HRRZ 2,1(1) ;GET SIZE OF FIELD
MOVE 1,(1) ;GET POINTER
CAILE 2,6 ;SIZE GREATER THEN 6
MOVEI 2,6 ;YES ONLY USE THE FIRST 6
MOVE 3,[GETH,,140] ;SET BLT WORD
BLT 3,GETE ;BLT RUN ROUTINE INTO LOW SEG
MOVE 3,[POINT 6,NAME];SET POINTER FOR BYTE TRANSFER
ILDB 4,1 ;GET A CHARACTER
TLNE 1,100 ;SIXBIT ARG?
SUBI 4,40 ;NO CONVERT TO SIXBIT
IDPB 4,3 ;PUT CHARACTER IN NAME
SOJG 2,.-4 ; LOOP
JRST 140 ;GO REDUCE CORE AND DO RUN UUO
DSKIT: OPEN SPC ;INIT DSK
HALT . ;FORGET IT
PJOB 2, ;GET JOB #
SETZ 4, ;CLEAR AC
IDIVI 2,12 ;DIVIDE BY 10
ORI 3,20 ;CONVERT TO 6BIT
LSHC 3,-6 ;SHIFT TO NEXT AC
TLNN 4,77 ;3 CHARS?
JRST .-4 ;NO LOOP
HLLM 4,FNAME ;JOB # IN L.H.
MOVEI 'NXT' ;TMP NAME
HRRM FNAME ;IN RH.
MOVSI 'TMP' ;TEMP EXT.
MOVEM FNAME+1 ;INTO NXT LOC
SETZ 2, ;CLEAR COMMAND LIST END
ENTER FNAME ;PUT ON DSK
HALT . ;2 TIME LOSER. GIVE UP.
OUTPUT 1 ;DUMP MODE OUTPUT
CLOSE ;CLOSE IT
RELEAS ;& RELEASE
JRST DORUN ;GO DO RUN
GETH: MOVE 1,[2000,,2000] ;SET UP TO REDUCE CORE ARG
PHASE 141
CORE 1, ;REDUCE CORE TO 1K
HALT . ;HALT IF ERROR
MOVEI 1,RUNTAB ;RUN TABLE ADDRESS IN AC1
RUN 1, ;RUN THE NEXT PROGRAM
HALT . ;HALT IF ERROR
RUNTAB: SIXBIT /SYS/ ;USE DEVICE SYS TO LOAD FROM
NAME: BLOCK 1 ;FILE NAME
BLOCK 1 ;EXT
BLOCK 1 ;ALWAYS 0
BLOCK 1 ;USE DEFULT DIRECTORY PATH
GETE: BLOCK 1 ;END OF LOW SEG PHASE
DEPHASE
SPC: 17 ;IMAGE DUMP MODE
SIXBIT /DSK/ ;DEVICE DSK
0 ;NO BUFFER
FNAME: 0
0
0
0
END