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Diffstat (limited to 'src/devices/sound/upd7752.cpp')
-rw-r--r--src/devices/sound/upd7752.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/devices/sound/upd7752.cpp b/src/devices/sound/upd7752.cpp
index f49171588e7..e2e28317d4c 100644
--- a/src/devices/sound/upd7752.cpp
+++ b/src/devices/sound/upd7752.cpp
@@ -31,8 +31,8 @@ DEFINE_DEVICE_TYPE(UPD7752, upd7752_device, "upd7752", "NEC uPD7752")
/* TODO: unknown exact size */
void upd7752_device::upd7752_ram(address_map &map)
{
-// AM_RANGE(0x0000, 0x7fff) AM_ROM
- map(0x0000, 0xffff).ram();
+ if (!has_configured_map(0))
+ map(0x0000, 0xffff).ram();
}
//**************************************************************************
@@ -47,7 +47,7 @@ upd7752_device::upd7752_device(const machine_config &mconfig, const char *tag, d
: device_t(mconfig, UPD7752, tag, owner, clock),
device_sound_interface(mconfig, *this),
device_memory_interface(mconfig, *this), m_stream(nullptr),
- m_space_config("ram", ENDIANNESS_LITTLE, 8, 16, 0, address_map_constructor(), address_map_constructor(FUNC(upd7752_device::upd7752_ram), this)), m_status(0), m_ram_addr(0), m_mode(0)
+ m_space_config("ram", ENDIANNESS_LITTLE, 8, 16, 0, address_map_constructor(FUNC(upd7752_device::upd7752_ram), this)), m_status(0), m_ram_addr(0), m_mode(0)
{
}