Monthly Archives: May 2017

Minimal Computing – almost 70 Years On

Some of you will know that I am a proponent of minimal computing devices. I have more than a passing interest in retro-computing, because after all, back in the day, hardware cost so much, – for example in 1963, in … Continue reading

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Looping in SIMPL – the mechanics of a tiny language

SIMPL SIMPL is a character interpreter running within a loop – in pseudocode: NEXT:             Fetch next Character (VM Instruction) from buffer                          Decode … Continue reading

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More About SIMPL

SIMPL – a small Forth Like Language Charles (Chuck) Moore, the inventor of the Forth computer language is one of my all time computing heroes. In a life long career in computing, starting in the early 1950’s – he has been … Continue reading

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Revisiting NAND to Tetris

The simple load-store architecture of the “Hack” computer featured in the NAND to Tetris course is worth of revisiting. Some years ago I created a bitslice design using 2 input NAND gates to handle just one bit of the design. … Continue reading

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