README.md

Z80 emulator in F#

A Z80 emulator implementation in F#. Uses noweb and LaTeX tools. Run make to get F# source code, TeX, ps, pdf, and a binary file. For license see LICENSE file. Please see IMPORTANT for copyright note about ROM file.

Prerequisites:

• noweb
• LaTeX, and LaTeX packages: graphicx, noweb, mflogo, amsmath, textcomp
• F# compiler

Precompiled binaries are available in sz80em.tar.gz.

The PDF file of the book is available here.

The emulator expects ROM file named 48k.rom in current directory. A different file path can be specified as the first argument to the program.

Table Of Contents

• 1. About ZX Spectrum
• 2. Program layout
• 3. Keyboard Input
• 4. Display Output
• 5. Microprocessor
  • 5.1. Registers set
  • 5.2. The Main Class
  • 5.3. ROM and RAM Memory
  • 5.4. Contended Memory
  • 5.5. Contended I/O
  • 5.6. Interrupts
  • 5.7. Instructions
  • 5.8. Instruction Table Initialization
  • 5.9. Extended Instructions
  • 5.10. Bit Instructions Table
  • 5.11. Index Instructions
  • 5.12. Index Bit Instructions
  • 5.13. Initialization
• 6. The Machine
• 7. Notes
• 8. License

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Images

Z80 emulator running: