oss: poll mode handling

[qemu] / qemu-doc.texi

diff --git a/qemu-doc.texi b/qemu-doc.texi
index 68a6842..99d7f0d 100644 (file)
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -199,6 +199,20 @@ QEMU uses YM3812 emulation by Tatsuyuki Satoh.
 QEMU uses GUS emulation(GUSEMU32 @url{http://www.deinmeister.de/gusemu/})
 by Tibor "TS" Schütz.
 
+Not that, by default, GUS shares IRQ(7) with parallel ports and so
+qemu must be told to not have parallel ports to have working GUS
+
+@example
+qemu dos.img -soundhw gus -parallel none
+@end example
+
+Alternatively:
+@example
+qemu dos.img -device gus,irq=5
+@end example
+
+Or some other unclaimed IRQ.
+
 CS4231A is the chip used in Windows Sound System and GUSMAX products
 
 @c man end
@@ -241,6 +255,9 @@ During the graphical emulation, you can use the following keys:
 @item Ctrl-Alt-f
 Toggle full screen
 
+@item Ctrl-Alt-u
+Restore the screen's un-scaled dimensions
+
 @item Ctrl-Alt-n
 Switch to virtual console 'n'. Standard console mappings are:
 @table @emph