diff options
Diffstat (limited to 'src/emu/devcpu.c')
-rw-r--r-- | src/emu/devcpu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/emu/devcpu.c b/src/emu/devcpu.c index 44f297b9444..1ce1716af62 100644 --- a/src/emu/devcpu.c +++ b/src/emu/devcpu.c @@ -78,6 +78,8 @@ legacy_cpu_device_config::legacy_cpu_device_config(const machine_config &mconfig m_space_config[spacenum].m_addrbus_width = get_legacy_config_int(DEVINFO_INT_ADDRBUS_WIDTH + spacenum); m_space_config[spacenum].m_addrbus_shift = get_legacy_config_int(DEVINFO_INT_ADDRBUS_SHIFT + spacenum); m_space_config[spacenum].m_logaddr_width = get_legacy_config_int(CPUINFO_INT_LOGADDR_WIDTH + spacenum); + if (m_space_config[spacenum].m_logaddr_width == 0) + m_space_config[spacenum].m_logaddr_width = m_space_config[spacenum].m_addrbus_width; m_space_config[spacenum].m_page_shift = get_legacy_config_int(CPUINFO_INT_PAGE_SHIFT + spacenum); m_space_config[spacenum].m_internal_map = reinterpret_cast<address_map_constructor>(get_legacy_config_fct(DEVINFO_PTR_INTERNAL_MEMORY_MAP + spacenum)); m_space_config[spacenum].m_default_map = reinterpret_cast<address_map_constructor>(get_legacy_config_fct(DEVINFO_PTR_DEFAULT_MEMORY_MAP + spacenum)); |