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Diffstat (limited to 'src/devices/machine/mos6530n.cpp')
-rw-r--r--src/devices/machine/mos6530n.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/machine/mos6530n.cpp b/src/devices/machine/mos6530n.cpp
index 2f1b2258555..3affa2d7b7f 100644
--- a/src/devices/machine/mos6530n.cpp
+++ b/src/devices/machine/mos6530n.cpp
@@ -61,7 +61,7 @@ DEVICE_ADDRESS_MAP_START( io_map, 8, mos6532_t )
AM_RANGE(0x00, 0x00) AM_MIRROR(0x18) AM_READWRITE(pa_data_r, pa_data_w) // SWCHA
AM_RANGE(0x01, 0x01) AM_MIRROR(0x18) AM_READWRITE(pa_ddr_r, pa_ddr_w) // SWACNT
AM_RANGE(0x02, 0x02) AM_MIRROR(0x18) AM_READWRITE(pb_data_r, pb_data_w) // SWCHB
- AM_RANGE(0x03, 0x03) AM_MIRROR(0x18) AM_READWRITE(pb_ddr_r, pb_ddr_w) // SWBCNT
+ AM_RANGE(0x03, 0x03) AM_MIRROR(0x18) AM_READWRITE(pb_ddr_r, pb_ddr_w) // SWBCNT
AM_RANGE(0x14, 0x17) AM_WRITE(timer_off_w)
AM_RANGE(0x1c, 0x1f) AM_WRITE(timer_on_w)
AM_RANGE(0x04, 0x04) AM_MIRROR(0x12) AM_READ(timer_off_r)