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-rw-r--r--i386/i386at/com.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/i386/i386at/com.c b/i386/i386at/com.c
index 7814240..c36cb6a 100644
--- a/i386/i386at/com.c
+++ b/i386/i386at/com.c
@@ -528,7 +528,7 @@ comintr(int unit)
}
#if MACH_KDB
- if (escape && c == 'D'-'A'-1)
+ if (escape && c == 'D'-('A'-1))
/* ctrl-alt-d pressed,
invoke debugger */
kdb_kintr();