Hi, the "function 53" in EMM386 is, according to Ralf Brown's
Interrupt List (RBIL), paragraph "m-6753-":
INT 67 - LIM EMS 4.0 - GET/SET HANDLE NAME
AH = 53h
I think that explains the purpose :-).
About having problems with games on modern PCs: Please try the
new FDAPM SPEEDn setting, where n is a value in 1..8 range. On
PCs with ACPI support, this should throttle your processor
speed to 1/8 - 8/8 of the maximum while at the same time saving
energy. Plus it is very SMOOTH. If that is still not slow
enough, combine it with MoSlo or SLOWDOWN or other tools which
just eat up processing time in the background every x milliseconds
(x usually being 1 or 55).
If FDAPM does not work for you, then please try PCISLEEP or THROTTLE
(see the news item on freedos.org) and let me know what and how failed.
Thanks for testing :-).
For sound problems: Some VIA AC97 compatible chipsets
have some close-to-SB16 mode which you can enable in
BIOS setup. Then you add some DOS drivers provided by
VIA and you have SB16 sound :-). The main DOS driver
is a virtual Adlib, but if you only want DSP / wave
sound, you only need a tiny driver. For SoundBlaster
PCI and similar, there are DOS drivers, too, and they
only cooperate with our EMM386 if you use the EMM386
option "SB".
Plus of course you can always run games in DOS boxes
like DOSEMU (Linux) or DOSBOX (Linux/Windows, and has
a built-in DOS) or in PC simulators like Bochs or VM-
ware.
A nice thing to have is a VIA (M)VP3 with ISA, PCI and
AGP slots and a fast AMD K6-2 CPU, by the way X-).
Eric (who wants PCISLEEP / FDAPM / THROTTLE testers...).
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