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Text File | 1995-11-19 | 1.5 KB | 41 lines | [TEXT/R*ch] |
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-
- Program: Z80 emulator (C/68k assembler source)
- Author: Guenter Woigk, 91052 Erlangen, Nuernberger Str. 79, Germany
- email: kio@vanilla.nbg.sub.org
- Task: Drive emulators for ancient computers ...
- Platform: Apple Macintosh
- Distribution: Freeware
- Uploaded by: kio@vanilla.nbg.sub.org (Guenter Woigk)
- Enclosed files: Archive with source and documentation
-
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-
- The Z80_68k package is a C coded emulator of the Zilog Z80 CPU. It is
- designed for high speed and easy to use.
-
- Actually it was written to drive Mac Spectacle, the Sinclair ZX Spectrum
- emulator from the same author. (oh yes, that's me!)
-
- Features:
- At the moment of writing this emulator supports:
-
- • all legal instructions except
- INI, IND, INIR, INDR, OUTI, OUTD, OTIR, OTDR
- • most illegal instructions
- • exact timing of Z80 opcodes
- • write protection for ROMs
- • normal interrupts in all three modes except multi-byte instructions in IM0
- • NMI, trace mode and watchdog
- • 16 bit i/o addresses
-
- It does not exactly emulate:
-
- • DAA instruction and it's corresponding bits.
- • exact incrementation of the F register
- • some undocumented opcode side effects
-
- The emulator is extremely fast. On a 68030/30 it should have the overall
- performance of a 4 MHz Z80. (neglecting the time an emulator will spend
- updating a screen)
-