diff options
Diffstat (limited to 'src/devices/video/upd7220.cpp')
-rw-r--r-- | src/devices/video/upd7220.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/devices/video/upd7220.cpp b/src/devices/video/upd7220.cpp index 16bbc507a5a..75cc9daa01b 100644 --- a/src/devices/video/upd7220.cpp +++ b/src/devices/video/upd7220.cpp @@ -151,7 +151,8 @@ DEFINE_DEVICE_TYPE(UPD7220, upd7220_device, "upd7220", "NEC uPD7220") // default address map void upd7220_device::upd7220_vram(address_map &map) { - map(0x00000, 0x3ffff).ram(); + if (!has_configured_map(0)) + map(0x00000, 0x3ffff).ram(); } @@ -649,7 +650,7 @@ upd7220_device::upd7220_device(const machine_config &mconfig, const char *tag, d m_disp(0), m_gchr(0), m_bitmap_mod(0), - m_space_config("videoram", ENDIANNESS_LITTLE, 16, 18, 0, address_map_constructor(), address_map_constructor(FUNC(upd7220_device::upd7220_vram), this)) + m_space_config("videoram", ENDIANNESS_LITTLE, 16, 18, 0, address_map_constructor(FUNC(upd7220_device::upd7220_vram), this)) { for (int i = 0; i < 16; i++) { |