[fpc-pascal]high performance counter for dos/tp7

Marco van de Voort marcov at stack.nl
Sat Mar 20 20:29:06 CET 2004

> So a computer calling an interrupt routine a million times (for microsecond
> accuracy) that does not seem like a good idea performance wise.
> Also calculating the control word (?) can be inaccurate (?):  control_word
> := $1234DD div frequency; ( ??? what about the remainder ??? )
> So I don't really need any interrupts... I only need to be able to read some
> sort of thing that gives me a tick count and possible a tick frequency.
> What are my alternatives for dos/turbo pascal 7 ?

Off topic.
> ( What about 32 bit free pascal :D ? )

Search for Thomas Schatzl's (originally zen-)timer and CPU units. Probably a
link is on the contributed units page.

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