Under VirtualBox, sound works (always... sound never worked for me under QEMU).
But always too fast, even if I slow CPU to 1%.
I created a gminer.iso file with:
mkisofs -o gminer.iso gminer
where gminer is the directory where gminer.zip was extracted.
Timer code is at:
https://git.usebox.net/gold-mine-run/tree/src/timer.c
Using interrupt 0x1c under DPMI should be fine:
https://www.phatcode.net/res/262/files/dpmi09.html#2.4.2
I find it a bit weird what it does to divide 10000 by 5494 to get the usual
tick rate of 18.2 ticks per second...
as it should be done by 'hardware' I am not expecting to be done in the
interrupt handler.
Not so sure how well it is supposed to happens under a virtual environment...
probably fine I suppose... guess most games use this.
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