Home

Welcome to the hut23-compiler-club wiki!

Getting started

• Woefully inadequate Setup instructions for the BBC micro:bit compiler toolchain.
• Connecting to the micro:bit from your Mac
• Running the QEMU emulator
• Debugging with gdb

CPUs! How do they work?

• Mike Spivey's Oxford course on digital systems

GNU C Compiler Collection

• GNU C Compiler Collection
• GNU C, the language

Documentation for ARM Cortex M0

• ARMv6-M Architecture Reference Manual
• Thumb 16-bit Instruction Set Quick Reference Card
• Cortex-M0 Devices Generic User Guide Version 1.0
• Cortex-M0 Technical Reference Manual

Rust on micro:bit

• Rust on micro:bit: toolchain and code for writing and running Rust programs for micro:bit

Further reading

• Ben Eater's YouTube channel - including a series on building an 8-bit CPU from scratch with breadboard electronics
• Ken Shirriff's blog - computer history, many posts on reverse engineering historical CPUs
• The Homebrew CPU webring
• Compiling with Continuations, Andrew Appel (Oliver has a hard-copy)
• and Compiling without Continuations
• Lisp In Small Pieces, Christian Queinnec (Oliver has a hard-copy)
• Structure and Interpretation of Computer Programs, particularly Chapter 5 ('Computing with Register Machines') (original online edition seems to have gone, but try here or a javascript version - Oliver has a hard-copy and there may be a copy in the office too) - a classic
• Godbolt compiler explorer - enter source code, see compiler output online
• TinyEMU - a small RISC-V and x86 emulator from Fabrice Bellard (the creator of QEMU, amongst other things!)
• The uxn virtual machine and source - a virtual machine for portable 8-bit games and graphics. The source code is small and approachable. (The creators are artists who live on a yacht and make software within those constraints.)
• The nanopass framework
• Hacker's delight
• Bit twiddling hacks