This core is a slightly modified core extracted from JSpeccy, ready to be used in any emulator that needs a Z80 CPU.
This code emulates the Z80 CPU full instruction set including:
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Undocumented instructions as SLL.
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Undocumented flags 3 & 5 from F register.
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Hidden register MEMPTR (known as WZ in official Zilog documentation).
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Strict execution order for every instruction.
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Precise timing for all instructions, totally decoupled from the core
An example that executes the CP/M v2.2 tests ZEXALL & ZEXDOC is included as a use case.
Compile the standard Java test application with:
mvn clean install
Run with:
./exerciser/target/z80exerciser.jar
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Note
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You’ll need graalvm to compile the native version of the application |
Compile the native Java test application with:
mvn clean install -Pnative
Run with:
./exerciser/target/z80exerciser