Commodore 8-Bit 5 1/4 Inch Disk Images
Presenting a new (web) tool, also a general discussion of Commodore 5 1/4 inch disk images.
mass:werk – Now Go Bang!
A blog by mass:werk, Norbert Landsteiner.
Latest posts
User-Definable Key Mapping for the PET 2001 Emulator
For all those cases, we haven't covered yet.
The ATASCII Mystery
A curious Easter egg found in the mass:werk vaults.
Omega Race on the C64 — A Tale of Two Cartridges
A quite literal look into a curious duplication.
PET 2001 End-of-May Updates
The PET 2001 online emulator enjoyed some TLC.
Motto of the Year(s)
Maybe, if the bubble doesn’t burst, can we have a new round of RLHF training for basic phrasing every year or so?
Please, Just Stop Ruining 10 PRINT. Seriously.
The sad story of an adorable little program and its looming demise.
The C64 Dead Test Font
A deep dive into the font of the “Dead Test” diagnostic cartridge of the C64, including an Easter egg, a look into the implementation, and, finally, some Commodore 8-bit character ROMs for download.
PET Keyboard Test
A little tool to test and explore the keyboard matrix of any Commodore PET.
How to Get Rid of Google AI Overview in Firefox (and Safari)
Defeating AI Overview without any further tools or extensions.
Service: PET Screen Codes
A tiny service for your retro development needs.
Character Bitmap Graphics on the PET 2001
How to impress with bitmaps from nothing.
Computed GOTO, in MS BASIC
Jumping for fun with MS / Commodore / AppleSoft BASIC.
Truchet Tiles for the Commodore PET
In 1704, a French Domican priest described 30 patterns of tiles, now they are pon the PET.
The REM-arkable Misadventures of LIST
A proper account of the deplorable life and times of the LIST routine in Commodore BASIC.
Go, PET, Let Hen
Curious adventures in (Commodore) BASIC tokenizing.
More Debug Fun
More debugging options for the PET 2001 emulator.
PET-Globe Demo
An avidly spinning globe for the Commodore PET - and some bit-vectors.
Happy New Year
Well, another one...
Love for the WDC 65C02
WDC and Rockwell related additions to the 6502 instruction set sheet.
A Guide to Commodore PETs
The original line-up of Commodore PET computers at a glance.
2024 X-Mas Demo (Commodore PET)
It's that time of the tear again...
Japanese Attractions: Kana on the PET 2001
The Japanese character ROM and keyboard come to the PET 2001 emulator.
The Abominable iPhone Zombies - A PETSCII Horror Doom Scroller
A new game for the Commodore PET, also, how to detect keyboards on a Commodore PET.
Funny Games on a PET 2001N (or B)
A curious case of jumper settings for PETs with the dynamic system board.
The PET 2001 Emulator Debugger
A visual tour.
The Commodore PET INPUT Bug-Feature
Adventures in MS BASIC (Commodore PET edition).
Dark Mode for the PET 2001 and Themed Range Sliders
Also, how to style range inputs using CSS, including accent colors.
PET Business
PET 2001 emulator up to business.
The Skiatron and Early Dark Trace CRTs
A glimpse of an alternative display technology.
PET 2001 Emulator: Option ROMs
Just to let you know, in case you were interested...
PET 2001 Emulator + 6502 Updates
Yet another software update notification.
PET Keys — Series 2001 Edition
A closer inspection of the keyboard(s) of the Commodore PET 2001.
The Case of the Missing 4th Commodore BASIC Variable (and the 5th Byte)
Another investigation into data types in Commodore BASIC.
Shiny New 6502 Thing
New 6502 emulator feature: Instruction preview with resolved operands.
Link Your Time
An Update to the previous update.
December Updates
Assorted site news.
On Philosophia Mechanica
'World, Fact, Case' explained.
Philosophia Mechanica
An introduction to analytic philosophy.
Catching Up
Catching up on some software updates.
Digital Library Update
Expanding the catalog of questionable media for the sake of literature.
Minskytron Refurbished
Classic PDP-1 'display hacks' emulation brought up to new standards.
Spacewar! is 60 Today!
The first digital video game just became 60.
Nerdy Reading
Time for a summer romance.
Virtual 6502 – Update Round 2
A few new features for the 6502 online disassembler.
New Old Game: Gravi-o-roids!
Presenting a new old-school video game just a few years late, totally unironically.
Virtual 6502 — Update Round 2
Another major update to the venerable “Virtual 6502” emulator – assembler – disassembler suite.
6502 “Illegal” Opcodes Demystified
A closer look at the “llegal” opcodes and undocumented instructions of the MOS 6502 MPU.
More 6502 Updates
Further improvements on the Virtual 6502 suite.
A Quick CSS Tip Regarding Legacy Image Tables
Dealing with legacy image tables and modern web standards.