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SEL32: Adjust UDP/DPII disk timing. SEL32: Add missing seek to 0 in SCSI disk boot code. SEL32: Add MPX/UTX self installing .ini and .tap files. SEL32: Update README.md to reflect new test images.
243 lines
13 KiB
Markdown
243 lines
13 KiB
Markdown
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# SEL32 Concept/32 Simulator
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This is a working simulator for the SEL Concept/32 computer. The
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current version is for the SEL 32/27, 32/67, 32/77, 32/87, 32/97, V6,
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and V9 computers. All of the processors except for the 32/77 can run
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the Gould diags. Operational support for the 32/77 computers may be
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added in the future.
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# SEL Concept/32
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This simulator is capable of running UTX2.1A, UTX2.1B, MPX 1.5F, MPX 3.4,
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MPX 3.5, MPX 3.6, and SEL diagnostics. Actually any software using the SEL
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instruction set should work. It is capable of creating a disk image for the
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O/S from a UTX or MPX SDT tape. The disk image can be booted, initialized,
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and can run many of the UTX and MPX utilities and programs. Ethernet is
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supported on UTX and will be added to MPX in the future. Eight terminals
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can be used to access MPX or UTX via Telnet port 4747. The sumulator has
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support for excess 64 floating point arithmetic and passes the 32/27 and
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32/67 FP diags. UTX is the SEL version of System V Unix and BSD Unix
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ported to the V6 and V9 processors. UTX utilizes the basemode instruction
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set and a virtual memory system supported by the V6 & V9 CPUs. The system
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needs further testing to solidify the SEL32 simulator code in all of the
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supported environmenets and hardware configurations.
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Note: Not all of the command files described below may be in the tests
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directory for the github.com/AZBevier/SEL32-rcsim repository. All will
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be in the github.com/AZBevier/sims repository along with any new versions
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that are being tested. Feel free to copy them to your local tests
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directory. They may be added to the SEL32-rcsim repositary at some
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later date.
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In the tests directory there are multiple auto installation command files
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that do MPX/UTX installs from user distribution tapes. This replaces the
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prebuilt disks from previous releases. This allows more versions to be
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supplied in the minimum amount of storage space. Minimal or no user input
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is required to create the bootable system. The command files are in pairs,
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one to do the install and one to execute the installed system. Some MPX
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systems also contain some of the NBC software environment. See the NBC
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project at github.com/AZBevier/nbc for all of the NBC software.
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# SEL32 installation configuration files in the tests directory:
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#sel32_test.ini - diag.tap; type "../sel32_test.ini" or run from makefile.
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Auto run by sel32 makefile to validate build or can be run at any time
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to validate system functionality.
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#diag.ini - diag.tap; type "../sel32 diag.ini" to run.
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This is the SEL32 memory diagnostic that validates the SEL32 instruction
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set and memory management sumulated hardware. Any errors are reported
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to the terminal. Different cpu models can be configured to test various
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cpu model features.
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--------------------
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The rest of the command files are zipped to reduce project storage space.
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The software distribution tape files are also zipped in the tapes
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directory. All zipped files must be unzipped to be useable. See the
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MPX manuals at bitsavers.org/pdf/sel/sel32_mpx for using MPX 1X or 3X.
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--------------------
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#sel32load1x.ini - sel32sdt.tap; type "../sel32 sel32load1x.ini
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This is a minimal MPX 1.5F installation to a UDP/DPII 300 MB disk. It
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will initialize the disk and install MPX bootable software. The disk
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image is in the dsk directory named sel32disk.
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#sel32run1x.ini - dsk/sel32disk; type "../sel32 sel32run1x.ini" to run.
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The disk is booted up to the TSM> prompt logged in as "SYSTEM". Use
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@@A to log in to the system console.
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--------------------
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#loaddma1x67.ini - mpx1xsdt.tap; type "../sel32 loaddma1x67.ini
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This is an MPX 1.5F installation to a UDP/DPII 300 MB disk. It will
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initialize the disk and install MPX bootable software. The disk
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image is in the dsk directory named mpx1xdma0. Once the MPX software
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is loaded an MPX command file is executed that runs the SYSGEN program
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to create a new MPX O/S image. That system is then restarted to
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install the new image to the disk as the new bootable image. The
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system reboots to the new image, logs in as SYSTEM and exits TSM.
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Use @@A to relogin to the console.
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#rundma1x67.ini - dsk/mpx1xdma0; type "../sel32 rundma1x67.ini" to run.
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The disk is booted up to the TSM> prompt and logged in as "SYSTEM".
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MPX can be accessed from a second Linux screen by using the command
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"telnet locallhost 4747". This will bring up the "ENTER OWNERNAME
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AND KEY:". Any name is valid, but SYSTEM should be used. At the
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"TSM>" prompt, type "EXIT" to exit TSM. Use ^G to get the login
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prompt when the "RING IN FOR SERVICE" message is displayed.
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--------------------
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#loaddma21b.ini - utx21b1.tap, utx21b2.tap, utx21b3.tap;
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type "../sel32 loaddma21b.ini" to install UTX 21b to UDP/DPII disk.
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This is an automated installation of UTX 21b to disk. Two disks,
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21bdisk0.dma and 21bdisk1.dma are initialized and then the file
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systems are created and loaded. Tape 1 loads "/" and tape 2 and 3
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loads "/usr.POWERNODE" filesystems. The system boots from tape and
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installs the root filesystem. The system restarts and boots from
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the new root filesystem where the 2nd & 3rd tapes are then loaded to
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/usr.POWERNODE. A third empty file system is created and mounted
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as /usr/POWERNODE/src. The second disk is one large filesystem and is
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mounted under /home. Several files are modified during installation
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to allow the system to be booted into multiuser mode. Only the user
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"root" is created and is the only allowable user login.
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#rundma21b.ini - dsk/21bdisk0.dma & dsk/21bdisk1.dma;
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type "../sel32 rundma21b.ini" to run the installed UTX system.
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The disk is booted up to the "login:" prompt for the user to login
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as "root" in multi-user mode.
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--------------------
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#loadscsi21b.ini - utx21b1.tap, utx21b2.tap, utx21b3.tap;
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type "../sel32 loadscsi21b.ini" to install UTX 21b to MFP SCSI disks.
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This is an automated installation of UTX 21b to disk. Two disks,
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scsidiska0 and scsidiska1 are initialized and then the file systems
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are created and loaded. Tape 1 loads root "/" and tapes 2 and 3
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loads "/usr.POWERNODE" filesystem. The system boots from tape and
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installs the root filesystem. The system restarts and boots from
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the new root filesystem where the 2nd & 3rd tapes are then loaded to
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/usr.POWERNODE. A third empty file system is created and mounted
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as /usr/POWERNODE/src. The second disk is one large filesystem and is
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mounted under /home. Several files are modified during installation
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to allow the system to be booted into multiuser mode. Only the user
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"root" is created and is the only allowable user login.
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#rundscsi21b.ini - dsk/scsidiska0 & dsk/scsidiska1;
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type "../sel32 rundscsi21b.ini" to run the installed UTX system.
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The disk is booted up to the "login:" prompt for the user to login
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as "root" in multi-user mode.
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--------------------
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#loadscsi3x.ini - mpxsdt69.tap;
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type "../sel32 loadscsi3x.ini" to install MPX 3.4 to MFP SCSI disks.
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This is an automated installation of MPX 3.4 to disk. Two 300MB disks,
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mpx3xsba0.dsk and mpx3xsbb0.dsk are initialized and then the file
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systems are created and loaded. The user sdt tape contains system
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and user files that are loaded to multiple directories. The second
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disk is initialized and formatted and only a system directory defined.
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The install is exited and @@A is used to login into MPX. The username
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SYSTEM is used to login into TSM without a password.
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#runscsi3x.ini - dsk/mpx3xsba0.dsk & dsk/mpx3csbb0.dsk;
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# - dsk/scsi35m1disk0 & dsk/scsi35m2disk0;
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type "../sel32 rundscsi3x.ini" to run the installed MPX system.
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The disk is booted up to the MPX message "Press Attention for TSM".
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Use @@A to get login prompt. Login as SYSTEM. The WORK volume will
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be mounted along with the SYSTEM volume and the system is ready for
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use. MPX can be accessed from a second Linux screen by using the
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command "telnet locallhost 4747". This will bring up the "Connected
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to the SEL-32 simulator COMC device, line 0". Use ^G as the wakeup
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character to get the "ENTER YOUR OWNERNAME:" login prompt. Any name
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is valid, but SYSTEM should be used. At the "TSM>" prompt, type
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"EXIT" to exit TSM. Use ^G to get the login prompt when the "RING
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IN FOR SERVICE" message is displayed.
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--------------------
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#user36esdtp2.ini - user36esdtp2.tap;
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type "../sel32 user36esdtp2.ini" to install MPX 3.6 to HSDP disks.
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This is an automated installation of MPX 3.6 to disk. A 300MB system
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disk volume (user36p2udp0) and a 600MB work disk volume (user36s1udp1)
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are initialized and then the file systems are created and loaded using
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the volumgr. The user sdt tape contains system and user files that
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are loaded to multiple directories. The second disk is initialized
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and formatted and only a system directory defined. The disk is mounted
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as the volume "work" as the 2nd disk drive. The installed MPX system
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also has 2 scsi disks configured into the system. Two 700MB SCSI disks
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are created, but they are not initialized and no directories are
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created. The usage of these disks is left as an exercise for the user.
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A third HSDP 600MD disk is also configured in MPX, but not used. The
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user can provide other data volumes that can be mounted for use on the
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system. The install is exited and @@A can be used to login into MPX.
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The username SYSTEM is used to login into TSM without a password. Any
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username is valid until an m.key file is created for valid user login.
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#user36erunp2.ini - dsk/user36p2udp0 & dsk/user36s1udp1;
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type "../sel32 user36erunp2.ini" to run the installed MPX 3.6 system.
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The disk is booted up to the MPX message "Press Attention for TSM".
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@@A is used to get the login prompt and the user is logged in as SYSTEM.
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The WORK volume will be mounted along with the SYSTEM volume and the
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system is ready for use at the TSM> prompt. The install tape also has
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some of the NBC development system. A complete installation tape is
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available at github.com/azbevier/nbc.
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--------------------
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Available tap tools in taptools directory:
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./taptools - set of tools to work with .tap formatted tapes. Also tools
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to convert between MPX and UNIX file formats. See README
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file in the taptools directory and source for descriptions.
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Available Level One Diagnostic boot tape in tests directory:
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diag.ini - command file to start diags. Type "./sel32 tests/diag.ini"
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diag.tap - bootable level one diagnostic tape w/auto testing.
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Set cpu type to 32/27, 32/67, 32/87, 32/97, V6 or V9. All
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cpu models now run all diagnostics provided on the
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diagnostic tape. Running DEXP stand alone causes input
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to stop after a few characters are entered. More testing
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is still required.
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CV.CSL - Firmware control diag. Disabled in auto testing.
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CV.CP1 - CPU diag part 1 runs OK.
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CV.CP2 - CPU diag part 2 runs OK.
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CV.CP3 - CPU diag part 3 runs OK.
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CV.EAD - Effective address diag runs OK.
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CV.BRD - Base register instruction diag runs OK, except 32/27.
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CV.INT - Interrupt diag runs OK.
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CV.TRP - Traps diag runs OK.
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CV.CMD - Cache/Shadow diag. Disabled in auto testing.
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CN.MMM - Non virtual memory diag runs OK.
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VM.MMM - Virtual memory diag for V6 & V9 runs OK.
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CV.IPT - IPU trap diag. Disabled in auto testing.
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CV.CSD - WCS read/write trap diag. Disabled in auto testing.
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CV.CON - Operators Console runs all tests for all CPUs.
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CV.DXP - Diagnostic executive for level 2 diags. OK in batch.
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67.FPT - Level two floating point diag runs under DXP OK.
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CV.ITD - Level two interval timer diag runs under DXP OK.
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Set GPR[0] = 0xffffffff before booting from tape to disable the
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auto test and go to the Diagnostic Overlay Loader (DOL>) prompt.
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Testing is extremely difficult without any source for the
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diagnostics. Updates to follow as tests are corrected.
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Other MPX verions support:
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I have recently received some old MPX 3.X save tapes. Using these
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I have been able to hand build a MPX3.6 SDT tape that can be used
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to install MPX3.6. Once installed, the system can be used to build
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a new user SDT tape and install it elsewhere. Both based and non-
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based O/S images can be created. More images for installation will
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be made available in the future as I work my way through the save
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tapes. I still do not have a master SDT tape for any of the MPX 1.X
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or MPX 3.X systems. I have a 1600/6250 BPI tape drive that can read
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9 track tapes and convert them to .tap files. If you have a master
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SDT, I would be very thankfull. Please keep looking.
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James C. Bevier
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12/29/2021
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