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- Path: sparky!uunet!munnari.oz.au!metro!socs.uts.edu.au!kralizec.zeta.org.au!ixgate!michael.smith
- From: michael.smith@f842.n800.z3.fido.zeta.org.au (michael smith)
- Message-ID: <3_800_842_fidonet2b4e9473@Kralizec.fido.zeta.org.au>
- Newsgroups: comp.sys.atari.st
- Subject: Re: Falcon
- Organization: Fidonet. Gate admin is fido@socs.uts.edu.au
- Date: 09 Jan 93 09:59:22 GMT
- Lines: 19
-
- Original to: hyc@hanauma.jpl.nasa.gov
- In a message of <24 Dec 1992 03:53:4>, hyc@hanauma.jpl.nasa.gov (3:713/602)
- writes:
-
- h> (Say, where do these other guys get their funky clock speeds from,
- h> anyway? 7.15, 7.75, 14.5, etc......)
-
- They're usually artifacts of the video rate, so that the processor can
- remain synchronised with the video hardware.
-
- Like the good ol'mac plus, where at the end of every scan line there's an
- interrupt, and the processor has to scoot off and stuff the next 512 bits of
- video data into a shift register... If the CPU is out of whack, things could
- get a bit messy...
-
- \`miff` /|\
-
- --- ScanMail 0.68 X0501
- * Origin: That Which Is Not, ST in SA. 61-8-276-4415 (3:800/842)
-