Trailing-Edge
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PDP-10 Archives
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BB-H138B-BM
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4-sources/makdmp.mac
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;<4.UTILITIES>MAKDMP.MAC.3, 3-Jan-80 15:26:00, EDIT BY R.ACE
;UPDATE COPYRIGHT DATE
;<4.UTILITIES>MAKDMP.MAC.2, 10-Mar-79 14:10:02, Edit by KONEN
;UPDATE COPYRIGHT FOR RELEASE 4
;THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY ONLY BE USED
; OR COPIED IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE.
;
;COPYRIGHT (C) 1976,1977,1978,1979,1980 BY DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
;THIS IS A PROGRAM TO MANUFACTURE A STANDARD DUMP.EXE FILE
;FOR TOPS-20.
SEARCH MONSYM,MACSYM
.REQUIRE SYS:MACREL
A==1
B==2
C==3
EXEDIR: 1776,,1
1777,,1
COUNT: BLOCK 1 ;PAGE COUNT OF FILE
CNTBUF: BLOCK 2 ;RDTTY WORK BUFFER
RELOC 1000-140 ;START ON PAGE
START: RESET
DMOVE A,EXEDIR ;GET DEFAULT EXE DIR
DMOVEM A,10000 ;INTO THE PAGE
MOVX A,GJ%FOU!GJ%SHT
HRROI B,[ASCIZ /<SYSTEM>DUMP.EXE/]
GTJFN
JSHLT ;COULDN'T GET IT
MOVS 16,1
MOVE B,[440000+OF%WR]
OPENF
JSHLT ;ERROR OF SOME SORT
PROMPT: HRROI A,[ASCIZ /
MAX SIZE OF MEMORY IN K (512): /]
PSOUT
HRROI A,CNTBUF ;BUFFER TO HOLD INPUT
MOVEI B,^D9 ;LIMITED BUFFER SPACE
HRROI C,[ASCIZ /MAX SIZE OF MEMORY IN K (512): /]
RDTTY ;GET ANSWER FROM USER
JRST [ JSERR ;BAD ANSWER
JRST PROMPT] ;TRY AGAIN
TXNN B,RD%BTM ;GOT A TERMINATOR?
JRST [ HRROI A,[ASCIZ /
?NOT CONFIRMED.
/]
PSOUT
JRST PROMPT] ;GET MORE
LDB A,[POINT 7,CNTBUF,6] ;LOOK AT FIRST BYTE
CAIN A,.CHCRT ;IS IT A CR?
JRST [ MOVEI B,^D512 ;YES. ASSUME LARGE MACHINE
JRST MAPIT0] ;AND GO ON
HRROI A,CNTBUF ;GET BUFFER
MOVEI C,12 ;GET NUMBER IN DECIMAL
NIN ;GET IT
JRST [ JSERR ;BAD
JRST PROMPT] ;TRY AGAIN
MAPIT0: LSH B,1 ;MAKE IT A PAGE COUNT
ADDI B,1 ;ALLOW ONE PAGE FOR DIRECTORY
MOVEM B,COUNT ;SAVE NUMBER
MAPIT: MOVE A,[.FHSLF,,10]
MOVE B,16
MOVX C,PM%RWX
SETZM 10777 ;CREATE THE PAGE
PMAP
ADDI 16,1
MOVEI A,0(16) ;GET CURRENT PAGE NUMBER
CAMGE A,COUNT ;GOT IT ALL YET?
JRST MAPIT ;NO. GO ON
HLRZ A,16
TXO A,1B0
CLOSF
JFCL
HRLI A,.FBSIZ
SETO B,
MOVE C,COUNT ;GET PAGE COUNT
IMULI C,^D512 ;COMPUTE WORDS IN THE FILE
CHFDB
HRLI A,.FBBYV
MOVX B,FB%BSZ
MOVX C,<FLD(44,FB%BSZ)>
CHFDB
HRLI A,.FBCTL ;CHANGE FLAG WORD
MOVX B,FB%NOD
MOVX C,FB%NOD ;SET TO "NO DUMP"
CHFDB
MOVEI A,0(A)
RLJFN
JFCL
HALTF
END START