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Digital Research
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306
MPM OPERATING SYSTEMS/MPM-86/MISC DRI DISKS/22/MPMSEM1.TEX
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306
MPM OPERATING SYSTEMS/MPM-86/MISC DRI DISKS/22/MPMSEM1.TEX
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.mt 6
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.mb 6
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.pl 66
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.ll 65
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.po 10
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.nf
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.hm 2
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.fm 2
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.he ********** MP/M-86 Seminar Notes **********
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.f<> Al<41> Informatio<69> Herei<65> i<> Proprietar<61> T<> Digita<74> Research<63> Inc.
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.nf
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.bp 1
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.sp 2
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.ce
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.sh
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C O N T E N T S
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.ce
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.sh
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===============
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.sp 2
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o MP/M-86 Overview
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o MP/M-86 Plug Compatible Modules
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o MP/M-86 Memory Layout
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o Common Module Interfaces
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o Sysdat Data Area (SYSDAT)
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o SUP
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o MP/M-86 Table Driven Functions
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o CLI Command
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o Program Chain
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o Parse Filename
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o Program Load
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o Call Resident Procedure Library
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o RTM
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o Queues
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o Process Descriptor
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o Parent-Child Relationship
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o MEM
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o Program Interface
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o Extended Fixed Partitions
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o MAU
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o Shared Memory, Shared Code
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o CIO
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o Raw console mode
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o RSP's
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o Memory Models
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o Multiple Copies
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o TMP
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o Functional Description
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o LOGIN, Autoload, User Protection
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o Run Time Systems
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o XIOS
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o INIT
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o ENTRY
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o Polled I/O
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o Flag Set/Wait
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o Interrupt handlers
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o Console, List Device functions
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o Memory functions
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o Real Time, Clock functions
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o Disk functions
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o GENSYS
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o MPMLDR
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o LDRBIOS
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o XIOS Debugging
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o Memory Layout
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o MP/M-86 under CP/M-86 using DDT-86
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o MP/M-86 under MP/M-86
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o Interrupts
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o Appendices
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o XIOS listing
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o TMP listing
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o ECHO listing
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o CLOCK listing
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.pa
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.ce 100
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.sp 5
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.sh
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M P / M - 8 6 O V E R V I E W
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.sh
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===============================
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.sp 2
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+-------+ +-----------+ +--------+ \
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| | | | | | \
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USER --> | TMP | --> | MP/M-86 | --> | XIOS | --> HARDWARE\
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| | | | | | \
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+-------+ +-----------+ +--------+ \
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.sp 8
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.sh
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MP/M-86 "Plug-Compatible" Modules
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.sh
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---------------------------------
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.sp 2
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+-------+ +--------+ +--------+\
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| | <--> | RTM | <--> | |\
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| | +--------+ | |\
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| | | |\
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| | +--------+ | |\
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| | <--> | MEM | <--> | |\
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| | +--------+ | |\
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| SUP | | XIOS |\
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| | +--------+ | |\
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| | <--> | CIO | <--> | |\
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| | +--------+ | |\
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| | | |\
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| | +--------+ | |\
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| | <--> | BDOS | <--> | |\
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+-------+ +--------+ +--------+\
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.ce 0
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.pa
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.sp 2
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.ce 100
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.sh
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MP/M-86 Memory Layout
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.sh
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---------------------
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.sp 2
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+-------------------+ HIGH \
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| | \
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/\\/\\/\\/\\/\\/\\/\\/\\/\\/\\/ \
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/\\/\\/\\/\\/\\/\\/\\/\\/\\/\\/ \
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| | \
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| TPA | \
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| | \
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+---+---------------+ \
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| | | \
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| | RSP's | \
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| | | \
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+ |---------------+ \
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| O | Table | | \
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| p |-----------| | \
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| e | XIOS | | \
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| r |-----------| D | \
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| a | BDOS | | \
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| t |-----------| A | \
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| i | MEM | | \
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| n |-----------| T | \
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| g | RTM | | \
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| |-----------| A | \
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| S | SUP | | \
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| y |-----------| | \
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| s | SYSDAT | | \
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+ t |-----------+---+ \
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| e | XIOS | | \
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| m |-----------| | \
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| | BDOS | C | \
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| A |-----------| | \
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| r | CIO | O | \
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| e |-----------| | \
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| a | MEM | D | \
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| |-----------| | \
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| | RTM | E | \
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| |-----------| | \
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| | SUP | | \
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+---+---------------+ \
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| | \
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| TPA | \
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| | \
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/\\/\\/\\/\\/\\/\\/\\/\\/\\/\\/ \
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/\\/\\/\\/\\/\\/\\/\\/\\/\\/\\/ \
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| | \
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+-------------------+ \
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| Interrupt Vectors | \
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+-------------------+ LOW \
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.ce 0
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.pa
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.sp 2
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.ce 2
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.sh
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MP/M-86 Module Interface
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.sh
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------------------------
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.sp 5
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CSEG
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ORG 0
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JMP INIT ; Initialization Routine
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JMP ENTRY ; Module Entry Point
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SYSDAT RW 1 ; Sysdat Segment Address
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SUPERVISOR RW 2 ; Far Address to Supervisor Entry Point
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INIT: ; Initialization Code
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.
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.
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.
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RETF
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ENTRY: ; Intermodule Entry Point
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.
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.
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.
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RETF
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.pa
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.sp 2
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.ce 2
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.sh
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MP/M-86 System Data Area (SYSDAT)
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.sh
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---------------------------------
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.sp
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.ce 100
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+------+------+------+------+------+------+------+------+\
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00 | SUP Entry | SUP Init |\
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+------+------+------+------+------+------+------+------+\
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08 | RTM Entry | RTM Init |\
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+------+------+------+------+------+------+------+------+\
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10 | MEM Entry | MEM Init |\
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+------+------+------+------+------+------+------+------+\
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18 | CIO Entry | CIO Init |\
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+------+------+------+------+------+------+------+------+\
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20 | BDOS Entry | BDOS Init |\
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+------+------+------+------+------+------+------+------+\
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28 | XIOS Entry | XIOS Init |\
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+------+------+------+------+------+------+------+------+\
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30 | NETWORK Entry | NETWORK Init |\
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+------+------+------+------+------+------+------+------+\
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38 | DISPATCHER | PDISP |\
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+------+------+------+------+------+------+------+------+\
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40 | MPMSEG | RSPSEG | ENDSEG | MOD- | NCNS |\
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| | | | MAP | |\
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+------+------+------+------+------+------+------+------+\
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48 | NLST | NCCB | NUM- |SYS- | MMP | RES- | DAY |\
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| | | FLAGS| DRIVE| | ERVED| FILE |\
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+------+------+------+------+------+------+------+------+\
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50 | TEMP | TICKS| FREE-ROOT | CCB | FLAGS |\
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| DISK | /SEC |LOCKED-UNUSED| | |\
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+------+------+------+------+------+------+------+------+\
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58 | MDUL | MFL | PUL | QUL |\
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+------+------+------+------+------+------+------+------+\
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60 | QMAU |\
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+------+------+------+------+------+------+------+------+\
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68 | RLR | DLR | DRL | PLR |\
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+------+------+------+------+------+------+------+------+\
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70 | RESERVED | THRDRT | QLR | MAL |\
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+------+------+------+------+------+------+------+------+\
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78 | VERSION | VERNUM | MPM VERNUM | TOD-DAY |\
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+------+------+------+------+------+------+------+------+\
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80 | TOD- | TOD- | TOD- | NCON-| NLST-| NCIO-| RESERVED |\
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| HR | MIN | SEC | DEV | DEV | DEV | |\
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+------+------+------+------+------+------+------+------+\
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88 | RESERVED | LOCK-MAX | OPEN-MAX | RESERVED |\
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+------+------+------+------+------+------+------+------+\
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90 | RESERVED |\
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+------+------+------+------+------+------+------+------+\
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98 | RESERVED |\
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+------+------+------+------+------+------+------+------+\
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A0 | FUNCTION TABLE |\
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| |\
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+------+------+------+------+------+------+------+------+\
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.ce 0
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.pa
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.sp 2
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.ce 2
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.sh
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MP/M-86 Supervisor Module (SUP)
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.sh
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===============================
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.sp 2
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o Maps user functions into module functions
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o Contains non-kernel functions
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o Supports the network interface
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o Intermodule function interface
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o Initialization
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o User Program Interface
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o Contains non-kernel functions (do not use resources directly)
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o Command Line Interpreter (CLI)
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o Program Chain
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o Parse Filename
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o Program Load
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o Call Resident Procedure Library
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o Version functions
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o Call BIOS function
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o Get Sysdat Address
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o Get TOD Address
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o Return Serial Number
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||||
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