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-rw-r--r--src/mame/machine/taitoio.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/machine/taitoio.cpp b/src/mame/machine/taitoio.cpp
index d7b7270be4b..ae754907687 100644
--- a/src/mame/machine/taitoio.cpp
+++ b/src/mame/machine/taitoio.cpp
@@ -4,7 +4,7 @@
TC0220IOC
---------
-A simple I/O interface with integrated watchdog.
+A simple I/O interface with integrated watchdog in a 80-pin flat package.
It has four address inputs, which would suggest 16 bytes of addressing space,
but only the first 8 seem to be used.
@@ -22,7 +22,7 @@ but only the first 8 seem to be used.
TC0510NIO
---------
-Newer version of the I/O chip
+Newer QFP100 version of the I/O chip
000 R DSWA
000 W watchdog reset