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authormalc <av1474@comtv.ru>2009-09-10 20:05:59 +0400
committermalc <av1474@comtv.ru>2009-09-10 20:05:59 +0400
commit720036a5bb1d6f7b491da5a37a30b3e7e11147e0 (patch)
tree36a48437988d91c720164107b8488421c5bce1b6 /qemu-doc.texi
parentFix formatting (diff)
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Add information w.r.t default GUS IRQ assigment
Diffstat (limited to 'qemu-doc.texi')
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diff --git a/qemu-doc.texi b/qemu-doc.texi
index 2f566b6ce..99d7f0db5 100644
--- 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