diff options
Diffstat (limited to 'src/devices/video/tms3556.cpp')
-rw-r--r-- | src/devices/video/tms3556.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/devices/video/tms3556.cpp b/src/devices/video/tms3556.cpp index c856735756f..80280fe5364 100644 --- a/src/devices/video/tms3556.cpp +++ b/src/devices/video/tms3556.cpp @@ -59,7 +59,8 @@ DEFINE_DEVICE_TYPE(TMS3556, tms3556_device, "tms3556", "Texas Instruments TMS355 // default address map void tms3556_device::tms3556(address_map &map) { - map(0x0000, 0xffff).ram(); + if (!has_configured_map(0)) + map(0x0000, 0xffff).ram(); } //------------------------------------------------- @@ -111,7 +112,7 @@ tms3556_device::tms3556_device(const machine_config &mconfig, const char *tag, d : device_t(mconfig, TMS3556, tag, owner, clock), device_memory_interface(mconfig, *this), device_video_interface(mconfig, *this), - m_space_config("videoram", ENDIANNESS_LITTLE, 8, 17, 0, address_map_constructor(), address_map_constructor(FUNC(tms3556_device::tms3556), this)), + m_space_config("videoram", ENDIANNESS_LITTLE, 8, 17, 0, address_map_constructor(FUNC(tms3556_device::tms3556), this)), m_reg(0), m_reg2(0), m_reg_access_phase(0), m_row_col_written(0), |