M4ZVM

Devlog

• Release 18 is out!
  February 09, 2025 by sijnstra

  1

  #vezza, #trs80, #trs-80, #infocom, #inform, #z-machine, #zmachine, #text adventure

  After much testing and code comparison, Release 18 is ready! Took way longer than expected to synchronize across all of the code bases, particularly making sure that all optimizations made it across a... Continue reading
• Update is in the works
  December 24, 2024 by sijnstra

  2

  I've been working on and off over the past year to pull together an update, hoping to again improve performance of the engine. There has been a lot of work on various parts of the code over the past y... Continue reading

  
• Release 17 (and 7) now available
  January 07, 2024 by sijnstra

  1

  #8-bit, #Interactive Fiction, #z-machine, #M4ZVM, #TRS-80, #Interpreter, #Infocom, #Retrocomputing

  A new version is out, focussing mainly on reducing the memory footprint required by the interpreter to play games, benefitting all versions: M4ZVM (Release 17) and M3ZVM (Release 7) M1ZVM (Release 7)... Continue reading
• Pre-built disk images released
  October 21, 2023 by sijnstra

  1

  #disk images, #pre-build, #ready-made

  In an effort to make things easier to use for the TRS-80 community, I've included some bootable disk images to cover various system configurations, as well as to demonstrate how to get the most out of... Continue reading
• Release 16 and 6 are out!
  July 17, 2023 by sijnstra#update

  The core has been updated for additional speed across all versions. The core dispatch routines were rewritten and optimised, speeding up all instruction execution. This is most noticeable in the more... Continue reading
• Release 15 is out
  April 19, 2023 by sijnstra

  A brief update for this page : I have added a direct link for the 64k version (note: some very large newer games need the 128k version) The Release 15 version includes the following updates: ; [+] Cor... Continue reading
• Release 14 is out!
  May 22, 2022 by sijnstra#Update, #M4ZVM, #8bit, #z80, #Infocom

  Been far too long since I've updated here! Over the past few months there's been some major releases, adding new features, reducing the code footprint and improving speed. If you use this software and... Continue reading
• Release 11 on the way - RELEASED!
  March 11, 2022 by sijnstra#M4ZVM, #Interactive Fiction, #Retrocomputing, #Interpreter, #z80

  The focus for speed has continued, with some more smoothness in overall core execution as well as many other routines covering display and input. There's been a few bug fixes, and a move away from the... Continue reading
• M4ZVM project page
  February 13, 2022 by sijnstra#M4ZVM, #interactive fiction, #z-machine, #inform, #TRS-80, #8-bit

  This is a post to provide visibility of M4ZVM, an Infocom interpreter that runs on the Trs-80 model 4, physical or virtual. This provides a great way to enjoy PunyInform games such as those submitted... Continue reading