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Diffstat (limited to 'src/devices/video/upd7220.cpp')
-rw-r--r--src/devices/video/upd7220.cpp13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/devices/video/upd7220.cpp b/src/devices/video/upd7220.cpp
index 16bbc507a5a..d8697222485 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++)
{
@@ -1447,7 +1448,7 @@ void upd7220_device::continue_command()
// read -
//-------------------------------------------------
-READ8_MEMBER( upd7220_device::read )
+uint8_t upd7220_device::read(offs_t offset)
{
uint8_t data;
@@ -1478,7 +1479,7 @@ READ8_MEMBER( upd7220_device::read )
// write -
//-------------------------------------------------
-WRITE8_MEMBER( upd7220_device::write )
+void upd7220_device::write(offs_t offset, uint8_t data)
{
if (offset & 1)
{
@@ -1501,7 +1502,7 @@ WRITE8_MEMBER( upd7220_device::write )
// dack_r -
//-------------------------------------------------
-READ8_MEMBER( upd7220_device::dack_r )
+uint8_t upd7220_device::dack_r()
{
return 0;
}
@@ -1511,7 +1512,7 @@ READ8_MEMBER( upd7220_device::dack_r )
// dack_w -
//-------------------------------------------------
-WRITE8_MEMBER( upd7220_device::dack_w )
+void upd7220_device::dack_w(uint8_t data)
{
}