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Diffstat (limited to 'src/devices/machine/74259.h')
-rw-r--r--src/devices/machine/74259.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/devices/machine/74259.h b/src/devices/machine/74259.h
index 1569bb299ae..e4496240687 100644
--- a/src/devices/machine/74259.h
+++ b/src/devices/machine/74259.h
@@ -73,6 +73,7 @@ public:
void write_bit(offs_t offset, bool d);
void write_abcd(u8 a, bool d);
DECLARE_WRITE8_MEMBER(write_d0);
+ DECLARE_WRITE8_MEMBER(write_d1);
DECLARE_WRITE8_MEMBER(write_d7);
DECLARE_WRITE8_MEMBER(write_a0);
DECLARE_WRITE8_MEMBER(write_a3);