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Home » Archive for  Computer organization

Category: Computer organization

My command center

Posted on2019-12-242019-12-242 Comments

In the image you can see my ‘command center’. I run 5 emulated mainframes, four of them on Raspberry Pi’s and one of the in the cloud. With all five system you see a 3270 terminal and the emulator console next to each other: Top left is my cloud system,… Read the rest

CategoriesComputer organization, Control, Networks, Operating Systems

Video series about SCEPSIS

Posted on2019-07-182019-07-18

I’m in the process of producing a viedo series about my Simple CPU emulator, SCEPSIS. You can find the expaning playlist here: playlist for SCEPSIS videos… Read the rest

CategoriesComputer organization, Education, Operating Systems, System fundamentals

My new rig

Posted on2019-06-262019-06-271 Comment

Noise New Old Today my new rig arrived. See specs below. The primary reason for the new purchase is the sound of the old one that went between 50 and 60 dB; whereas t he new one has components that where selected for silence, and it pays off: Speed New… Read the rest

CategoriesComputer organization

SCEPSASM – The SCEPSIS Assembler

Posted on2019-06-202019-06-20

SCEPSASM is an assembler that will – based on a language definition (langdef) file – parse a source file and convert it into an object memory file that can be executed with the SCEPSIS emulator. The SCEPSASM main screen The current version works and it’s output OBJect files will be… Read the rest

CategoriesComputer organization, Operating Systems, System fundamentals

SCEPSIS

Posted on2019-05-252019-06-113 Comments

Have a look at my new project, the ‘Simple CPU Emulation Program (Student Instruction System)‘… SCEPSIS control panel… Read the rest

CategoriesComputer organization, Education, System fundamentals

tmux terminal organizer

Posted on2019-05-042019-05-06

tmux is short for Terminal Multiplexer. And that’s what it does. It’s a neat little tool that I use to be able to have multiple sessions open at the same time and to be able to switch between them. As an example you can click on the picture to the… Read the rest

CategoriesComputer organization, Operating Systems

IBM/370 Reference Summaries

Posted on2018-12-242019-03-23

I kept a couple of Reference Summary cards from ancient times. I photographed them to be shared with the community. See the cards themselves here. System/370 DOS/VS POWER/VS Reference Summary CICS Master Terminal Operator Reference Summary IBM Reference Card | COBOL System/370 Reference Summary… Read the rest

CategoriesComputer organization, Operating Systems

Hercules S/370 print to PDF

Posted on2018-12-212019-03-23

Today I automated the process of printing MVS output from the Hercules emulator to PDF files. It makes it much more realistic and nostalgic to look at output on the old ‘zebra-paper’, don’t you think? Example below. Also check my project page to see how it’s done.… Read the rest

CategoriesComputer organization, Operating Systems

MTS up and running

Posted on2018-12-192019-03-23

Today I got my copy of MTS (Michigan Terminal System) and installed it in Hercules on my Raspberry Pi model 2, using the try-mts cookbook. See this page for more info on MTS. Below you will find a screenshot of the up and running system.… Read the rest

CategoriesComputer organization, Education, Operating Systems

S/370’s up again

Posted on2018-12-152019-03-23

Finally, ready, my IBM S370 OS’s are live again. It took some tinkering to get them running on the new SSD drives, but here we are: … Read the rest

CategoriesComputer organization, Networks, Operating Systems

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Permalink to: Computers

Computers

In this part of the site you will find info on the computers I owned and worked with, as well as general info about computer systems. HP 2000 I started out on a Hewlett Packard HP2000. That was on my Technical School (HTS in Dutch), where I studied Telecommunications and… Read the rest

Permalink to: S/370

S/370

IBM Mainframes IBM mainframes, and especially the ones under 370 architecture, have a warm spot in my heart. For most of my technical carrier I’ve been working on these magnificent machines. Their operating systems are unbelievably efficient as compared to the bloatware we see floating around today. My first experience:… Read the rest

Permalink to: Construction

Construction

Construction Building models of reality in which we can test our control programs. For this we can use all kinds of construction tools. I grew up using LEGO, and later on added Fisher Technik.  … Read the rest

Permalink to: S/370 printing to PDF

S/370 printing to PDF

S/370 printing Wouldn’t we all like to have our S/370 output out of Hercules look like this? MVS print-outsVM/370 printouts How do we do that? There’s quite a bit of tinkering involved. I will do my best to describe how I did it below and on a few other pages.… Read the rest

Permalink to: S/370 Operating Systems

S/370 Operating Systems

So, let’s talk OS’s. There’s a number of them in the public domain that I know of. I’ll mention some of them below, describe them  briefly and point you to more extensive information and downloadable versions. MVS3.8j MVS, or Multiple Virtual Storage, is an OS that is used in the… Read the rest

Permalink to: Hercules

Hercules

Hercules is the name of an emulator program that simulates being an IBM mainframe. It can host each of IBM’s public domain OS’s, OS/VS1, MVS3.8j and VM370. Hercules runs on a lot of hardware, under Windows, Linux, and MacOS. Hercules has quite a history, ultimately culminating in the version brought… Read the rest

Permalink to: SCEPSIS

SCEPSIS

Simple CPU Emulator Program (Student Instruction System). That is the name of my new project. The idea stems from my hardware project, the 8bit computer. I thought, well, if this s possible in hardware, perhaps I can make a software version to give other people the chance to experiment with… Read the rest

Permalink to: My wood workshop

My wood workshop

Since a couple of weeks I am improving my woodworking workshop. We live in a house that used to belong to the village blacksmith, so it has two large annexes, one of which houses my workshop. It contained and old workbench, an old toolboard and a cupboard full of woodworms.… Read the rest

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Gerard Wassink

Daily wisdom

For we brought nothing into this world, and it is certain we can carry nothing out. And having food and raiment let us be therewith content.
1 Timothy 6:7-8
Copyright © 2021 Geronimo/370. All Rights Reserved. | Clean Journal by Catch Themes
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  • Home
  • Construction
    • LEGO
      • Mindstorms
        • Plott3r plotting a Hilbert curve
        • Color sorter
        • Robo Tank Line Follower
      • Technic
      • Storage
    • Fisher Technik
  • Electronics
    • Lab equipment
    • Projects
      • 8 decade resistor box
      • Raspberry Pi controlled elevator
      • Arduino based DCC command station
  • Computers
    • SCEPSIS
      • Images used in the videos
    • ELF II
    • ZX80 / ZX81
    • Commodore 64
    • Raspberry Pi
      • raspi-reboot
    • Arduino UNO
    • Theory
      • The Von Neumann machine
      • Data in computers
        • Binary and other number systems
        • Data representation
      • Hardware
        • Gates and circuits
        • Components in computers
      • Operating Systems
  • Linux
    • Getting installed
    • First steps
      • Options for ls
    • Next step, commands
    • Securing Linux
    • Adding stuff to Linux
    • Configure a RPi as cloud & file server
    • Background on Linux
      • What do you get?
      • What you need for Linux
    • Linux links
  • S/370
    • Hercules
      • Hercules from binaries
      • Installing SDL Hyperion
      • Hercules from source on RPi
      • Install SDL Hyperion with NJE support
    • S/370 Operating Systems
    • MVS – Multiple Virtual Storage
      • Installing MVS 3.8 from tapes
      • Customize MVS logon screen
      • MVS in one picture
      • Clear MVS log files
      • MVS shutdown
      • Force JES2 to go down
    • VM/370 – Virtual Machine
      • Customise VM Logon screen
      • VM / RSCS with NJE
    • S/370 printing to PDF
      • MVS3.8j TK4- printouts
      • VM/370 printouts
    • IBM reference cards
      • System/370 Reference Summary
      • CICS Master Terminal Operator Reference Summary
      • System/370 DOS/VS POWER/VS Reference Summary
      • IBM Reference Card | COBOL
    • Building my ‘datacenter’
    • S/370 links
  • Woodworking
    • My wood workshop
    • Woodworking Tools
      • Mither saw
      • Drill press
  • Links
  • About this site