Viewing profile — breakintoprog

I moved from Sinclair/Amstrad CPC games development onto the Gameboy. Initially the lack of EXX and IX/IY proved to be a bit of a pain. It's also missing the LDI(R)/LDD(R) opcodes.…

A couple of my favourites include: "There's no such thing as a stupid question." "Design things for the person who's going to maintain it. It may be you."

Performant as a measure of speed against rival BASIC interpreters. BBC Basic is recognised as being one of the fastest floating point BASIC interpreters written for 8-bit CPUs. Thi…

This is an ongoing project I started during Covid lockdown, building a fully functional and MSX compliant computer on a breadboard. It's a good introduction to CPUs, logic, and dig…

Indeed! R.T.Russel's Z80 version also includes a built-in Z80 assembler that works in exactly the same way. Being able to inline assembler with BASIC was a stroke of genius, and ma…

Hi, A quick synposis on my project: The BBC Basic for Z80 kernel was written by R.T.Russell around the same time as the original 6502 version that ran on the BBC Micro. The CP/M ve…