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Diffstat (limited to 'src/mame/drivers/alesis.cpp')
-rw-r--r--src/mame/drivers/alesis.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/alesis.cpp b/src/mame/drivers/alesis.cpp
index 84efd4fcbf7..9dd05353191 100644
--- a/src/mame/drivers/alesis.cpp
+++ b/src/mame/drivers/alesis.cpp
@@ -155,6 +155,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START(mmt8_io, AS_IO, 8, alesis_state)
ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0xffff) AM_RAM AM_SHARE("nvram") // 2x32Kx8 SRAM, (battery-backed)
AM_RANGE(0xff02, 0xff02) AM_WRITE(track_led_w)
AM_RANGE(0xff04, 0xff04) AM_READWRITE(mmt8_led_r, mmt8_led_w)
AM_RANGE(0xff06, 0xff06) AM_WRITE(kb_matrix_w)
@@ -163,7 +164,6 @@ static ADDRESS_MAP_START(mmt8_io, AS_IO, 8, alesis_state)
AM_RANGE(MCS51_PORT_P1, MCS51_PORT_P1) AM_READ(kb_r)
AM_RANGE(MCS51_PORT_P2, MCS51_PORT_P2) AM_WRITENOP
AM_RANGE(MCS51_PORT_P3, MCS51_PORT_P3) AM_READWRITE(mmt8_p3_r, mmt8_p3_w)
- AM_RANGE(0x0000, 0xffff) AM_RAM AM_SHARE("nvram") // 2x32Kx8 SRAM, (battery-backed)
ADDRESS_MAP_END
/* Input ports */