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Diffstat (limited to 'src/devices/bus/s100/wunderbus.cpp')
-rw-r--r--src/devices/bus/s100/wunderbus.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/devices/bus/s100/wunderbus.cpp b/src/devices/bus/s100/wunderbus.cpp
index 43b7be095a3..9d307d9053b 100644
--- a/src/devices/bus/s100/wunderbus.cpp
+++ b/src/devices/bus/s100/wunderbus.cpp
@@ -303,9 +303,9 @@ void s100_wunderbus_device::s100_vi2_w(int state)
uint8_t s100_wunderbus_device::s100_sinp_r(address_space &space, offs_t offset)
{
uint8_t address = (m_7c->read() & 0x3e) << 2;
- if ((offset & 0xf8) != address) return 0;
+ if ((offset & 0xf8) != address) return 0xff;
- uint8_t data = 0;
+ uint8_t data = 0xff;
if ((offset & 0x07) < 7)
{