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electron abr/aqr use bitwise operators (nw)
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32d28fda03
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1cf74c83a4
@ -54,7 +54,7 @@ uint8_t electron_abr_device::read(address_space &space, offs_t offset, int infc,
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{
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if (offset >= 0x0000 && offset < 0x4000)
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{
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data = m_nvram[(offset & 0x3fff) + (romqa * 0x4000)];
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data = m_nvram[(offset & 0x3fff) | (romqa << 14)];
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}
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}
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@ -90,7 +90,7 @@ void electron_abr_device::write(address_space &space, offs_t offset, uint8_t dat
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{
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if (offset >= 0x0000 && offset < 0x4000 && !m_bank_locked[romqa])
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{
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m_nvram[(offset & 0x3fff) + (romqa * 0x4000)] = data;
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m_nvram[(offset & 0x3fff) | (romqa << 14)] = data;
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}
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}
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}
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@ -56,7 +56,7 @@ uint8_t electron_aqr_device::read(address_space &space, offs_t offset, int infc,
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{
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if (offset >= 0x0000 && offset < 0x4000)
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{
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data = m_ram[(offset & 0x3fff) + (m_page_register * 0x4000)];
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data = m_ram[(offset & 0x3fff) | (m_page_register << 14)];
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}
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}
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@ -89,7 +89,7 @@ void electron_aqr_device::write(address_space &space, offs_t offset, uint8_t dat
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{
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if (offset >= 0x0000 && offset < 0x4000 && !m_lock_register)
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{
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m_ram[(offset & 0x3fff) + (m_page_register * 0x4000)] = data;
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m_ram[(offset & 0x3fff) | (m_page_register << 14)] = data;
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}
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}
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}
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