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Author Topic: Lost in the tune...  (Read 28218 times)

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Offline Agafaster

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Re: Lost in the tune...
« on: March 13, 2007, 05:13:08 PM »
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Karlos wrote:
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Vincent wrote:

I'd bet you'd be even more glad it wasn't Pac-Man!! :-D


"Eat them up! yum! yum!" :lol:

Regarding the speccy, it goes back even earlier than that. He claimed he was able to achieve a similar effect messing about on the zx81 :-D


I could do that ! all you did was something like:

10 FAST
20 FAST
30 SLOW
40 GOTO 10

this would make a note (pink noise? can't remember - this was 25 years ago after all!) if you turned the volume up and slightly detuned yer telly.

for everyone else: a lot of corners were cut in making the ZX81 a 4 or 5 IC computer - the CPU was used by the ULA to generate the timings for the generating the character based display, by use if NMIs the R register, and whatnot. consequently, SLOW mode was dog slow, and you only got 25% of the CPU's time to yourself - FAST basically turned off the display generator.

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You can tell he was a speccy fan. Half of his tracks have at least one spectrum tape loading sample in them somewhere!


cool!
but not quite the same as Tim Follin...
\\"New Bruce here will be teaching Machiavelli, Bentham, Locke, Hobbes, Sutcliffe, Bradman, Lindwall, Miller, Hassett and Benaud.\\"
\\"Those are all cricketers, Bruce !\\"
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