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decuslib20-02
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decus/20-0027/consol.mac
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00100 TITLE CONSOLE CONTROL VERSION #2 SEPT. 1 '69
00200 SUBTTL DON WITCRAFT 2-7-66
00300
00400
00500
00600 ;CONSOLE FUNCTIONS
00700
00800 INTERNAL S,C,L,DP,E,SS,DOOR,STARTT,SR
00900 EXTERNAL IFSW,IF,IBR,DFSW,DFF,FETOP1,CYCLE,TC,KDATA
01000
01100 SR: 0 ;SIMULATED SWITCH REGISTER
01200
01300 S: SETZB AC,MB ;START
01400 IFN DDF32,<EXTERNAL DFIELD,DMA
01500 SETZM DFIELD
01600 SETZM DMA ;ZERO DISK ADDRESS REGISTER>
01700 SETZM KDATA+1 ;SET TIME FOR THE NEXT TTY INT TO 0
01800 SETZB IR,AC0
01900 SETZB RUNTIM,TIME
02000 HRLZI FLAGS,RUN!KACTIVE
02100 SETZB AC0,MQ
02200 CALLI AC0,27 ;GET RUNNING TIME FOR JOB
02300 MOVEM AC0,STARTT# ;SAVE
02400 C: MOVE PDP,[XWD -10,PDL] ;RELOAD THE PD POINTER
02500 OUTSTR [ASCIZ /
02600 /]
02700 SETOM AC0 ;LOAD WITH -1
02800 GETLIN AC0 ;GET LINE CHARACTERISTICS
02900 TLO AC0,6 ;SET TAPE MODE, NO CHAR ECHO
03000 SETLIN AC0 ;EFFECT CHANGES
03100 TLO FLAGS,RUN!KACTIVE ;CONTINUE
03200 SETZM AC0
03300 JRST CYCLE
03400
03500 L: MOVE PC,SR ;LOAD ADDRESS
03600 MOVE AC0,IFSW
03700 MOVEM AC0,IF
03800 MOVEM AC0,IBR
03900 MOVE AC0,DFSW
04000 MOVEM AC0,DFF
04100 PUSHJ PDP,CONSOLE
04200
04300 DP: OR AC,SR ;DEPOSIT SWITCH
04400 MOVEI IR,3
04500 MOVE MB,PC
04600 TLZ FLAGS,RUN
04700 JRST FETOP1
04800
04900 E: ANDI AC,10000 ;EXAMINE
05000 MOVEI IR,1
05100 MOVE MB,PC
05200 JRST E-2
05300
05400 SS: TLZ FLAGS,RUN ;SINGLE STEP
05500 JRST TC
05600 ;SIMULATOR INITIALIZATION
05700
05800 INTERNAL INI,IOINI,TIME,NTIME
05900 EXTERNAL CORE
06000
06100 INI: CALLI 0 ;RESET IO
06200 MOVE PDP,[XWD -10,PDL] ;ESTABLISH PUSHDOWN POINTER
06300 PUSHJ PDP,IOINI
06400 INI1: PUSHJ PDP,CONSOL ;RETURN CONTROL TO CONSOL
06500
06600 EXTERNAL MDLISTL,DLIST,MCLIST,CLIST,FCLOSE
06700
06800 IOINI: MOVSI AC0,MCLIST
06900 IOINI1: MOVEI FDB,@CLIST(AC0)
07000 SETZM CDCHAR(FDB)
07100 SETZM CDSTAT(FDB)
07200 SETZM CFSTAT(FDB)
07300 SETZM CDBLOCK(FDB)
07400 HRRZS CINI(FDB)
07500 SKIPE AC1,CBUFH(FDB) ;CLEAR ITEM COUNTS
07600 SETZM 2(AC1)
07700 AOBJN AC0,IOINI1
07800 MOVSI FLAGS,KACTIV ;KEYBOARD IS ALWAYS ACTIVE
07900 POPJ PDP,
08000
08100 INTERNAL EXIT
08200
08300 EXIT: MOVSI AC0,MCLIST
08400 SKIPE FDB,CLIST(AC0)
08500 JSP SRR,FCLOSE
08600 AOBJN AC0,.-2
08700 PUSHJ PDP,CONSOL
08800
08900 ;DATA
09000
09100 TIME: 0 ;CUMULATIVE RUNTIME IN 1/4 MICROSECONDS
09200 NTIME: Z ;NEXT TIME TO CHECK FLAGS
09300 ;I.E. CHECK IMMEDIATELY
09400
09500 LIT
09600 PDL: ERROR
09700 BLOCK 7
09800
09900
10000 INTERNAL ERROR,CONSOLE
10100
10200 ERROR:
10300 CONSOL: POP PDP,AC0 ;FROM WHENCE YOU COMETH.
10400 HRRZ AC4,DOOR#
10500 JRST (AC4)
10600
10700 END