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-rw-r--r--src/devices/bus/isa/isa.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/devices/bus/isa/isa.cpp b/src/devices/bus/isa/isa.cpp
index 91907e4a9f8..1fe08ded87b 100644
--- a/src/devices/bus/isa/isa.cpp
+++ b/src/devices/bus/isa/isa.cpp
@@ -288,6 +288,11 @@ void isa8_device::unmap_bank(offs_t start, offs_t end)
m_memspace->unmap_readwrite(start, end);
}
+void isa8_device::writeprotect_bank(offs_t start, offs_t end)
+{
+ m_memspace->unmap_write(start, end);
+}
+
void isa8_device::install_rom(device_t *dev, offs_t start, offs_t end, const char *tag, const char *region)
{
if (machine().root_device().memregion("isa")) {