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-rw-r--r--src/mame/machine/znsec.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mame/machine/znsec.h b/src/mame/machine/znsec.h
new file mode 100644
index 00000000000..7ab83cf8571
--- /dev/null
+++ b/src/mame/machine/znsec.h
@@ -0,0 +1,5 @@
+/* CAT702 ZN security chip */
+
+void znsec_init(int chip, const UINT8 *transform);
+void znsec_start(int chip);
+UINT8 znsec_step(int chip, UINT8 input);