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Diffstat (limited to 'src/devices/sound/mos6560.cpp')
-rw-r--r--src/devices/sound/mos6560.cpp10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/devices/sound/mos6560.cpp b/src/devices/sound/mos6560.cpp
index 45b944c5179..d332791ec7c 100644
--- a/src/devices/sound/mos6560.cpp
+++ b/src/devices/sound/mos6560.cpp
@@ -682,12 +682,14 @@ DEFINE_DEVICE_TYPE(MOS656X_ATTACK_UFO, mos656x_attack_ufo_device, "mos656x_attac
// default address maps
void mos6560_device::mos6560_videoram_map(address_map &map)
{
- map(0x0000, 0x3fff).ram();
+ if (!has_configured_map(0))
+ map(0x0000, 0x3fff).ram();
}
void mos6560_device::mos6560_colorram_map(address_map &map)
{
- map(0x000, 0x3ff).ram();
+ if (!has_configured_map(1))
+ map(0x000, 0x3ff).ram();
}
mos6560_device::mos6560_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, uint32_t variant)
@@ -696,8 +698,8 @@ mos6560_device::mos6560_device(const machine_config &mconfig, device_type type,
device_sound_interface(mconfig, *this),
device_video_interface(mconfig, *this),
m_variant(variant),
- m_videoram_space_config("videoram", ENDIANNESS_LITTLE, 8, 14, 0, address_map_constructor(), address_map_constructor(FUNC(mos6560_device::mos6560_videoram_map), this)),
- m_colorram_space_config("colorram", ENDIANNESS_LITTLE, 8, 10, 0, address_map_constructor(), address_map_constructor(FUNC(mos6560_device::mos6560_colorram_map), this)),
+ m_videoram_space_config("videoram", ENDIANNESS_LITTLE, 8, 14, 0, address_map_constructor(FUNC(mos6560_device::mos6560_videoram_map), this)),
+ m_colorram_space_config("colorram", ENDIANNESS_LITTLE, 8, 10, 0, address_map_constructor(FUNC(mos6560_device::mos6560_colorram_map), this)),
m_read_potx(*this),
m_read_poty(*this)
{