Subject:
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Re: Ir transmission
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Newsgroups:
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lugnet.robotics.rcx.pbforth
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Date:
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Fri, 16 Apr 1999 06:31:17 GMT
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Reply-To:
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robots@jpsc.&spamcake&co.uk
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Viewed:
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1873 times
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> In general, NQC hooks in through the RCX tasks and firmware, so it should
> be possible in FORTH.
The bytecode interpreter does it, which is what NQC maps to (opcode 43).
I'd prefer a timer (or access to a clock) with millisecond resolution rather
than a delay because things will get interesting whan multitasking.
What is the CPU clock frequency of the RCX?
--
John Cooper, Wallington, UK
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Message has 1 Reply:
 | | RE: Ir transmission
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| (...) I think its around 16 Mhz for the crystal and 4 MHz for the cycle time. I think there is a msec timer buried in the OC1A handler (see Kekoa's disassembly) I agree that we want something to trigger a run flag instead of having to check the (...) (25 years ago, 16-Apr-99, to lugnet.robotics.rcx.pbforth)
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Message is in Reply To:
| | RE: Ir transmission
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| (...) Alas, I only used the firmware timers available as core RCX firmware calls. I can look through Kekoa's disassembly to see if there are higher resolution timers available ( I think the motor timers might be useful ) In general, NQC hooks in (...) (25 years ago, 15-Apr-99, to lugnet.robotics.rcx.pbforth)
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