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A CPU that aims to be binary compatible with the 8086 ISA, focused on optimisation and flexibility.
22 Commits 2 Branches 4 Tags 1.8 MiB
Verilog 66.9%
Makefile 9.9%
Assembly 9.4%
Shell 6.9%
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(Tim) Efthimis Kritikos 6561018206 Made the processor actually little-endian
2023-02-10 14:09:08 +00:00
cpu Made the processor actually little-endian 2023-02-10 14:09:08 +00:00
.gitignore Still hadn't added all files from the assembler commit. Also fixed .gitignore 2023-02-10 13:32:51 +00:00
8086_documentation.md Fix documentation 2023-02-09 09:43:13 +00:00
LICENSE Initial commit 2023-02-08 08:38:10 +00:00
README.md Wrote a README 2023-02-10 13:27:15 +00:00

README.md

9086

A CPU that aims to be binary compatible with the 8086 and with as many optimisations as possible

Progress

  • Executing code
  • can calculate the sieve of Eratosthenes
  • can boot up MS-DOS / FreeDOS
  • Is completely binary compatible
  • Is pipelined
  • Is Out of Order
  • Is superscalar

Building it

To build it you need Icarus Verilog, bin86, GNU make, xxd and the posix coreutils. Go into the cpu directory and run make

At the time of development the versions used are :

  • Icarus Verilog version 11.0 (stable)
  • bin86 version: 0.16.17
  • GNU Make 4.3
  • xxd 2022-01-14
  • GNU coreutils 8.32