X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2Fdos%2Faudos.c;h=6b7709affdf8bbabc833a2ea504c6651e32a8e83;hp=513bf89ab556c54c5a675b4c7232fc5fc9bcc3d0;hb=b49854e0980a030cc8338a7f4ee779ecde1aae38;hpb=57bd2dc519c47f434e3e5acf998fb9c72448cbce

diff --git a/src/dos/audos.c b/src/dos/audos.c
index 513bf89..6b7709a 100644
--- a/src/dos/audos.c
+++ b/src/dos/audos.c
@@ -4,6 +4,7 @@
 #include <ctype.h>
 #include "audio.h"
 #include "midasdll.h"
+#include "util.h"
 
 #define SET_MUS_VOL(vol) \
 	do { \
@@ -209,3 +210,13 @@ unsigned long get_msec(void)
 {
 	return ticks * tick_interval;
 }
+
+void sleep_msec(unsigned long msec)
+{
+	unsigned long wakeup_time = ticks + msec / tick_interval;
+	while(ticks < wakeup_time) {
+#ifdef USE_HLT
+		halt();
+#endif
+	}
+}