[TUHS] How to install 4.3BSD Quasijarus on VAXStation 4000 VLC?
Clem Cole
clemc at ccc.com
Wed Apr 28 06:51:54 AEST 2021
Might I would suggest a slightly different path.
Install Quasijarus on a more traditional vax processor with RH style disks
[RMxx/RPxx] on the simh. Then add a virtual RZ SCSI disk to the simh
system [although you might not even need to do that - as simh just sees the
disk as a linear file of blocks without any geometry]. The trick is to
make sure the virtual disk is set up so that you have a working
system/booting system on the virtual disk when changing the processor type
to match the VAXstation. Then just DD the image to a real SCSI drive and
move it to the VAXstation.
On Tue, Apr 27, 2021 at 3:51 PM Adam Thornton <athornton at gmail.com> wrote:
> Thanks to Emanuel Steibler, I am now in possession of a VAXStation 4000
> VLC. I've got OpenVMS installed, but, well, the SCSI2SD gives me two more
> 2GB disks (the fourth partition is the OpenVMS install CD).
>
> I'd like to put Quasijarus on it.
>
> Problem is, the VLC only supports, as far as I know, SCSI devices. I'm
> quite happy to install Quasijarus under simhfrom an emulated SCSI tape to
> an rz device and then just dd the resulting disk image over to the SD
> card...but I can't work out how to do it.
>
> This (as my simh ini file) works fine for getting to the emulated console:
>
> set rz0 rzu
> att rz0 quas.dsk
> set rz4 tz30
> att rz4 quas.tap
> boot.cpu
>
> Problem is, quas.tap doesn't actually work; neither the prepackaged
> 4.3BSD-Quasijarus0c.tap nor one I make with mkdisttap.pl and the input
> stand/miniroot/etc files.
>
> I get this:
>
> adam at m1-wired:~/Documents/src/quasi$ ./vaxstation4000vlc install.ini
>
> VAXstation 4000-VLC (KA48) simulator V4.0-0 Current git commit id:
> 9bf37d3d
> /Users/adam/Documents/src/quasi/install.ini-4> att rz4 quas.tap
> RZ4: Tape Image 'quas.tap' scanned as SIMH format
> /Users/adam/Documents/src/quasi/install.ini-5> boot cpu
> Loading boot code from internal ka48a.bin
>
>
>
> KA48-A V1.2-32B-V4.0
> 08-00-2B-B2-35-2C
> 16MB
>
> ?? 010 2 LCG 0086
> ?? 001 3 DZ 0032
> ?? 001 4 CACHE 0512
> ?? 001 7 IT 8706
> ?? 001 8 SYS 0128
> ?? 001 9 NI 0024
>
> >>> show dev
>
> VMS/VMB ADDR DEVTYPE NUMBYTES RM/FX WP DEVNAM
> REV
> ------- ---- ------- -------- ----- -- ------
> ---
> ESA0 08-00-2B-B2-35-2C
> DKA0 A/0/0 DISK 2.14GB FX RZ23
> 0A18
> DKA100 A/1/0 DISK ...... FX RZ23
> 0A18
> DKA200 A/2/0 DISK ...... FX RZ23
> 0A18
> DKA300 A/3/0 DISK ...... FX RZ23
> 0A18
> MKA400 A/4/0 TAPE RM TZK50
> 1.1A
> DKA500 A/5/0 DISK ...... FX RZ23
> 0A18
> ..HostID.. A/6 INITR
> DKA700 A/7/0 DISK ...... FX RZ23
> 0A18
>
>
>
> >>> boot mka400:
>
>
> -MKA400
>
>
> ?48 ENDOFFILE
> HALT instruction, PC: 00000B15 (MOVL (R11),SP)
>
> Sooooo....
>
> How do I make a bootable SCSI tape image from Quasijarus? Or,
> alternatively, how can I create a bootable ISO image from the Quasijarus
> installation files (and then either install under simh, or just dd to an SD
> partition and boot from there, or even burn to an actual CD and install
> from a SCSI CD-ROM drive)?
>
> Adam
>
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