HP3000: Fourth HP 3000 release, update 1
See HP3000/hp3000_release.txt for details of the release
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Mark Pizzolato
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3 changed files with 54 additions and 18 deletions
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/* hp3000_cpu.c: HP 3000 Central Processing Unit simulator
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Copyright (c) 2016, J. David Bryan
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Copyright (c) 2016-2017, J. David Bryan
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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@ -25,6 +25,7 @@
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CPU HP 3000 Series III Central Processing Unit
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19-Jan-17 JDB Added comments describing the OPND and EXEC trace options
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29_Dec-16 JDB Changed the status mnemonic flag from REG_S to REG_T
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07-Nov-16 JDB Renamed cpu_byte_to_word_ea to cpu_byte_ea
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03-Nov-16 JDB Added zero offsets to the cpu_call_procedure calls
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@ -509,11 +510,13 @@
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The trace options that may be specified are:
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Trace Action
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----- ----------------------------------
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INSTR trace instruction executions
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----- -------------------------------------------
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INSTR trace instructions executed
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DATA trace memory data accesses
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FETCH trace memory instruction fetches
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REG trace registers
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OPND trace memory operands
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EXEC trace matching instruction execution states
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PSERV trace process clock service events
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A section of an example trace is:
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@ -564,12 +567,20 @@
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instruction that may alter the base registers, the program, data, and stack
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segment base registers are printed.
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The OPND option traces operand values. Some instructions that take memory
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and register operands that are difficult to decode from DATA or REG traces
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present the operand values in a higher-level format. The memory bank and
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address values are always those of the operands. The operand data and value
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presented are specific to the instruction; see the instruction executor
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comments for details.
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The OPND option traces memory byte operand values. Some instructions take
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memory and register operands that are difficult to decode from DATA or REG
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traces. This option presents these operands in a higher-level format. The
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memory bank and address values are always those of the operands. The operand
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data and values printed are specific to the instruction. For example, the
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ALGN instruction prints its source and target operands, digit counts, and
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fraction counts, and the EDIT instruction displays its subprogram operations.
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The EXEC option traces the execution of instructions that match
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user-specified criteria. When a match occurs, all CPU trace options are
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turned on for the duration of the execution of the matched instruction. The
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prior trace settings are restored when a match fails. This option allows
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detailed tracing of specified instructions while minimizing the log file size
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compared to a full instruction trace.
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The PSERV option traces process clock event service entries. Each trace
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reports whether or not the CPU was executing on the Interrupt Control Stack
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@ -1,6 +1,6 @@
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SIMH/HP 3000 RELEASE NOTES
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==========================
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Last update: 2017-01-08
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Last update: 2017-01-23
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This file documents the release history of the Hewlett-Packard 3000 simulator.
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@ -11,13 +11,32 @@ simulator code base is available at:
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https://github.com/simh/simh
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...and may be downloaded at any time. A code snapshot is identified by the "git
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commit ID" that is displayed by the simulator welcome banner.
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commit ID" that is displayed in the simulator welcome banner.
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Therefore, HP 3000 releases are simply documentation checkpoints that describe
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the changes that have occurred since the last checkpoint. Generally, a release
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is written when one or more major changes have been incorporated. Minor bug
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fixes will be available immediately but only noted as part of the next release
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document.
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fixes will be available immediately from the repository but only noted as part
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of the next release document.
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===============================
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Reporting Bugs in the Simulator
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===============================
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If you find a bug in the HP 3000 simulator, please report it either to the SIMH
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issue tracker on github at:
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https://github.com/simh/simh/issues
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...or to the SIMH mailing list; see:
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http://mailman.trailing-edge.com/mailman/listinfo/simh
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...for subscribing information. In either case, please include a console log
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that contains a reproducible test case that illustrates the problem. See the
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"Recording Simulator Activities" section of the "SIMH User's Guide" for details.
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@ -58,15 +77,14 @@ PDF version of the same manual is available at:
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A preconfigured MPE-V/R disc image containing the Fundamental Operating Software
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(FOS), selected SUBSYS language processors (BASIC, BASICOMP, COBOL, COBOLII,
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FORTRAN, PASCAL, RPG, and SPL), and example programs is available from Bitsavers
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at:
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FORTRAN, PASCAL, RPG, and SPL), and example programs is available at:
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http://www.bitsavers.org/bits/HP/HP_3000/
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http://simh.trailing-edge.com/kits/mpe-vr-software-kit.zip
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The archive contains instructions and simulator command files that allow
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ready-to-run operation.
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Manuals describing MPE operation are also available from Bitsavers at:
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Manuals describing MPE operation are available from Bitsavers at:
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http://www.bitsavers.org/pdf/hp/3000/
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@ -187,6 +205,13 @@ Implementation Notes
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routines to the system SL and COBOL example programs to the OPERATOR.SYS
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account. The startup command files also enable the COBOL II instruction set.
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- If you are using a custom MPE configuration and want to run COBOL II
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programs, you must perform a SYSDUMP/COLDSTART to replace the three existing
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COBLIB segments in your SL.PUB.SYS with their COBOL II replacements. The
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U00U232A.USL.SYS and COB68LIB.PUB.SYS files on the disc image from the
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software kit contain the replacement segments. See Usage Note 6 in the
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"readme.txt" file and the "mpe-3-sysdump.log" file in the kit for details.
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- New "hp3000_cpu_cis.c" and "hp3000_mem.c" modules have been added.
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- For this release, checking for interrupts is not performed during execution
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@ -285,7 +310,7 @@ Bugs Fixed
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the stack, and the instruction is reexecuted. However, the program label
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has been lost, so control transfers to a random location.
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CAUSE: The instructions obtain the label and then delete the TOS, flush
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CAUSE: The instructions obtain the labels and then delete the TOS, flush
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the rest of the stack registers to memory, and then check that SM <= Z,
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i.e., that the current top of the stack in memory does not exceed the
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stack limit. If SM > Z, a stack overflow has occurred, and the trap
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