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1971, TOPS-10 BASIC (BASIC-10) and BBCX. The latter was a pseudo-assembler, actually written in BASIC (by my teacher), as a part of the then experimental curriculum for the first computer science national certificate (CSE) to be taught in UK schools. I think the name reflected the idea that the course was going to be backed by a series of BBC "Programmes for Schools" radio broadcasts, but I don't recall ever hearing any of them. It simulated a processor that had 1 8-bit accumulator register, 1 flags register, a program counter and 32767 memory addresses. It had a fairly limited set of instructions:
It was a PIA to program, but very instructional. It certainly achieved it's aim of giving you a very good understanding of what was going on at the machine level. My first "big project" was to implement integer square root using the Newton method. It took me 3 weeks, though most of that was spent waiting for the twice weekly turnaround of coding sheets. Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
In reply to Re: I started with...:
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