M4ZVM

M4ZVM
Interpreter
Links	Home page Download
Developer	Shawn Sijnstra
Format	Z-code
Interaction style
System	Tandy TRS-80
System details	TRS-80 Model 4/4D/4P running LS-DOS or TRS-DOS 6.2
Latest version	Release 10B / February 2022
Status	Stable
Implements
Uses
Multimedia support	No multimedia
License	GPL 2.0
Notes
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M4ZVM is a Z-machine interpreter for the TRS-80 Model 4/4D/4P running LS-DOS or TRS-DOS 6.2. It was written by Shawn Sijnstra, ported from ZXZVM.

M4ZVM supports Z-machine versions 1, 2, 3, 4, 5, 7, and 8, as well as a minimal non-graphic support for z6.

Features

• Full use of 80x24 screen including support for split screen in all story files including Seastalker
• Reverse text highlighting
• Accented characters (where available)
• Command line switch to optionally enable the Tandy bit
• z1, z2, z3, z4, z5, z7 and z8 games can execute
• Experimental support for z6 (excludes any graphics/complex screen modelling)
• Memory model allows for any valid size Dynmem (i.e. up to 64K)
• Named game save and load
• Timed input
• Keyboard mapping includes functions keys, with shift F1-F3 mapped to F4-F6, a total of 6 Function keys for games such as Beyond Zork
• Transcript (printing)
• Supports as much memory as your computer and drivers support (128k minimum)

M4ZVM is licensed under GPL version 2.

Links

• Gitlab repository of M4ZVM Source code and binaries.