Small Computer Monitor v1.0

The Small Computer Monitor (SCM) is a classic machine code monitor for Z80 based systems. Version 1.0 remains the current version for the hardware listed below, while revisions and new hardware are using SCM v1.1

Known Bugs and Limitations

  • Single stepping does not execute instructions that result in the program counter not changing, such as DJNZ when B > 1 and the relative jump is to itself


Older Versions

Supported Hardware

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Homebrew 8-bit retro computing