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electron abr/aqr use bitwise operators (nw)

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This commit is contained in:
Nigel Barnes 2018-03-30 12:28:35 +01:00
parent 32d28fda03
commit 1cf74c83a4
2 changed files with 4 additions and 4 deletions
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4
src/devices/bus/electron/cart/abr.cpp
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@ -54,7 +54,7 @@ uint8_t electron_abr_device::read(address_space &space, offs_t offset, int infc,
{ {
if (offset >= 0x0000 && offset < 0x4000) if (offset >= 0x0000 && offset < 0x4000)
{ {
data = m_nvram[(offset & 0x3fff) + (romqa * 0x4000)]; data = m_nvram[(offset & 0x3fff) | (romqa << 14)];
} }
} }
@ -90,7 +90,7 @@ void electron_abr_device::write(address_space &space, offs_t offset, uint8_t dat
{ {
if (offset >= 0x0000 && offset < 0x4000 && !m_bank_locked[romqa]) if (offset >= 0x0000 && offset < 0x4000 && !m_bank_locked[romqa])
{ {
m_nvram[(offset & 0x3fff) + (romqa * 0x4000)] = data; m_nvram[(offset & 0x3fff) | (romqa << 14)] = data;
} }
} }
} }

4
src/devices/bus/electron/cart/aqr.cpp
View File

@ -56,7 +56,7 @@ uint8_t electron_aqr_device::read(address_space &space, offs_t offset, int infc,
{ {
if (offset >= 0x0000 && offset < 0x4000) if (offset >= 0x0000 && offset < 0x4000)
{ {
data = m_ram[(offset & 0x3fff) + (m_page_register * 0x4000)]; data = m_ram[(offset & 0x3fff) | (m_page_register << 14)];
} }
} }
@ -89,7 +89,7 @@ void electron_aqr_device::write(address_space &space, offs_t offset, uint8_t dat
{ {
if (offset >= 0x0000 && offset < 0x4000 && !m_lock_register) if (offset >= 0x0000 && offset < 0x4000 && !m_lock_register)
{ {
m_ram[(offset & 0x3fff) + (m_page_register * 0x4000)] = data; m_ram[(offset & 0x3fff) | (m_page_register << 14)] = data;
} }
} }
} }