Re: Ok, anyone started Contiki 4 AII yet?

[uz@remove-to-reply.musoftware.de (Ullrich von Bassewitz)]

Robert Steinmetz <rob@steinmetznet.com> wrote:
> OK. I notice that the Atari library has a clock.s file which defines the
> clocks_per_sec.

The only reason for this function is that CLK_TCK is not constant on the Atari
- it depends on the video standard of the machine. NTSC machines have a
CLK_TCK of 60, while PAL machines have 50 ticks per second. So CLK_TCK
resolves to a function which is named _clocks_per_sec and which returns the
value for CLK_TCK. On most other machines, CLK_TCK is just a constant.

> I could not locate the definition of the clock() function. This
> is what seems to be needed for the Apple ][, either in the Contiki package or in
> the cc65. Atari seems to be the only target which has the clock.s file.

The clock() function for all Commodore machines is identical (because it's a
standard function of the ROM for all Commodore machines) and is therefore
located in libsrc/cbm.

> CLK_TCK is pretty easy and could be added to the cc65 time.h file. Defining
> clock() for the Apple ][ it seems is the key.

Yes. But what I've read in this thread this is going to be difficult. If
anyone is going to build an ethernet card like TFE, it would probably be a
good idea to include a counter/timer chip on it, so there's a source for
periodic interrupts:-)

Regards


        Uz


-- 
Ullrich von Bassewitz                  uz@remove-to-reply.musoftware.de
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