BBC-em

A BBC Micro emulator written in Rust. Currently only works on Windows due to a platform specific signal handler in the debugger.

There's still a lot of work to do...

• 6502
• 6845CRTC
• Debugger
• Logging
• Display
• Simple interrupt mechanism
• Keyboard input
• Timers / VIA
• Tape / DFS
• Proper timing tweaks
• Multi platform
• ...

Debugger

The debugger can be started using the --debug command line switch. I don't recommend running the debugger using Cargo as CTRL-C won't be handled properly. The debugger commands implemented so far are as follows...

• next [N] / n [N]: steps over N instructions (defaults to 1), printing each one .
• page N: prints the 256 bytes of page N. N should be in hex (ff) format.
• c / continue: continues executing (without printing instructions). Pressing CTRL-C breaks at the nearest instruction.
• break [ADDRESS]: Sets a breakpoint at ADDRESS.
• quit: Quits the debugger.