Modifying a Sinclair ZX81 issue 1 - Upgrade the internal RAM to 16k bytes
Well, I had hoped to expand the text on the blog page that I created in August. But real life and other distractions has delayed this (blame the good weather ).
Standby alert
There are four lights!
Step up to red alert. Sir, are you absolutely sure? It does mean changing the bulb
Looking forward to summer later in the year.
).
Standby alert