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Diffstat (limited to 'src/devices/video/mos6566.cpp')
-rw-r--r--src/devices/video/mos6566.cpp10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/devices/video/mos6566.cpp b/src/devices/video/mos6566.cpp
index a671448a4ab..a7c9cb30422 100644
--- a/src/devices/video/mos6566.cpp
+++ b/src/devices/video/mos6566.cpp
@@ -227,12 +227,14 @@ DEFINE_DEVICE_TYPE(MOS8566, mos8566_device, "mos8566", "MOS 8566 VIC-II")
// default address maps
void mos6566_device::mos6566_videoram_map(address_map &map)
{
- map(0x0000, 0x3fff).ram();
+ if (!has_configured_map(0))
+ map(0x0000, 0x3fff).ram();
}
void mos6566_device::mos6566_colorram_map(address_map &map)
{
- map(0x000, 0x3ff).ram();
+ if (!has_configured_map(1))
+ map(0x000, 0x3ff).ram();
}
@@ -587,8 +589,8 @@ mos6566_device::mos6566_device(const machine_config &mconfig, device_type type,
device_execute_interface(mconfig, *this),
m_icount(0),
m_variant(variant),
- m_videoram_space_config("videoram", ENDIANNESS_LITTLE, 8, 14, 0, address_map_constructor(), address_map_constructor(FUNC(mos6566_device::mos6566_videoram_map), this)),
- m_colorram_space_config("colorram", ENDIANNESS_LITTLE, 8, 10, 0, address_map_constructor(), address_map_constructor(FUNC(mos6566_device::mos6566_colorram_map), this)),
+ m_videoram_space_config("videoram", ENDIANNESS_LITTLE, 8, 14, 0, address_map_constructor(FUNC(mos6566_device::mos6566_videoram_map), this)),
+ m_colorram_space_config("colorram", ENDIANNESS_LITTLE, 8, 10, 0, address_map_constructor(FUNC(mos6566_device::mos6566_colorram_map), this)),
m_write_irq(*this),
m_write_ba(*this),
m_write_aec(*this),