diff options
Diffstat (limited to 'src/devices/cpu/m68000/m68kcpu.cpp')
-rw-r--r-- | src/devices/cpu/m68000/m68kcpu.cpp | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/src/devices/cpu/m68000/m68kcpu.cpp b/src/devices/cpu/m68000/m68kcpu.cpp index dc7e0b14a6f..aaa1db079cf 100644 --- a/src/devices/cpu/m68000/m68kcpu.cpp +++ b/src/devices/cpu/m68000/m68kcpu.cpp @@ -1383,7 +1383,7 @@ UINT16 m68000_base_device::readword_d32_mmu(offs_t address) UINT32 address0 = pmmu_translate_addr(this, address); if (mmu_tmp_buserror_occurred) { return ~0; - } else if (!(address & 1)) { + } else if (WORD_ALIGNED(address)) { return m_space->read_word(address0); } else { UINT32 address1 = pmmu_translate_addr(this, address + 1); @@ -1396,7 +1396,7 @@ UINT16 m68000_base_device::readword_d32_mmu(offs_t address) } } - if (!(address & 1)) + if (WORD_ALIGNED(address)) return m_space->read_word(address); result = m_space->read_byte(address) << 8; return result | m_space->read_byte(address + 1); @@ -1410,7 +1410,7 @@ void m68000_base_device::writeword_d32_mmu(offs_t address, UINT16 data) UINT32 address0 = pmmu_translate_addr(this, address); if (mmu_tmp_buserror_occurred) { return; - } else if (!(address & 1)) { + } else if (WORD_ALIGNED(address)) { m_space->write_word(address0, data); return; } else { @@ -1425,7 +1425,7 @@ void m68000_base_device::writeword_d32_mmu(offs_t address, UINT16 data) } } - if (!(address & 1)) + if (WORD_ALIGNED(address)) { m_space->write_word(address, data); return; @@ -1447,13 +1447,13 @@ UINT32 m68000_base_device::readlong_d32_mmu(offs_t address) } else if ((address +3) & 0xfc) { // not at page boundary; use default code address = address0; - } else if (!(address & 3)) { // 0 + } else if (DWORD_ALIGNED(address)) { // 0 return m_space->read_dword(address0); } else { UINT32 address2 = pmmu_translate_addr(this, address+2); if (mmu_tmp_buserror_occurred) { return ~0; - } else if (!(address & 1)) { // 2 + } else if (WORD_ALIGNED(address)) { // 2 result = m_space->read_word(address0) << 16; return result | m_space->read_word(address2); } else { @@ -1470,9 +1470,9 @@ UINT32 m68000_base_device::readlong_d32_mmu(offs_t address) } } - if (!(address & 3)) + if (DWORD_ALIGNED(address)) return m_space->read_dword(address); - else if (!(address & 1)) + else if (WORD_ALIGNED(address)) { result = m_space->read_word(address) << 16; return result | m_space->read_word(address + 2); @@ -1493,14 +1493,14 @@ void m68000_base_device::writelong_d32_mmu(offs_t address, UINT32 data) } else if ((address +3) & 0xfc) { // not at page boundary; use default code address = address0; - } else if (!(address & 3)) { // 0 + } else if (DWORD_ALIGNED(address)) { // 0 m_space->write_dword(address0, data); return; } else { UINT32 address2 = pmmu_translate_addr(this, address+2); if (mmu_tmp_buserror_occurred) { return; - } else if (!(address & 1)) { // 2 + } else if (WORD_ALIGNED(address)) { // 2 m_space->write_word(address0, data >> 16); m_space->write_word(address2, data); return; @@ -1519,12 +1519,12 @@ void m68000_base_device::writelong_d32_mmu(offs_t address, UINT32 data) } } - if (!(address & 3)) + if (DWORD_ALIGNED(address)) { m_space->write_dword(address, data); return; } - else if (!(address & 1)) + else if (WORD_ALIGNED(address)) { m_space->write_word(address, data >> 16); m_space->write_word(address + 2, data); @@ -1594,7 +1594,7 @@ UINT16 m68000_base_device::readword_d32_hmmu(offs_t address) address = hmmu_translate_addr(this, address); } - if (!(address & 1)) + if (WORD_ALIGNED(address)) return m_space->read_word(address); result = m_space->read_byte(address) << 8; return result | m_space->read_byte(address + 1); @@ -1608,7 +1608,7 @@ void m68000_base_device::writeword_d32_hmmu(offs_t address, UINT16 data) address = hmmu_translate_addr(this, address); } - if (!(address & 1)) + if (WORD_ALIGNED(address)) { m_space->write_word(address, data); return; @@ -1627,9 +1627,9 @@ UINT32 m68000_base_device::readlong_d32_hmmu(offs_t address) address = hmmu_translate_addr(this, address); } - if (!(address & 3)) + if (DWORD_ALIGNED(address)) return m_space->read_dword(address); - else if (!(address & 1)) + else if (WORD_ALIGNED(address)) { result = m_space->read_word(address) << 16; return result | m_space->read_word(address + 2); @@ -1647,12 +1647,12 @@ void m68000_base_device::writelong_d32_hmmu(offs_t address, UINT32 data) address = hmmu_translate_addr(this, address); } - if (!(address & 3)) + if (DWORD_ALIGNED(address)) { m_space->write_dword(address, data); return; } - else if (!(address & 1)) + else if (WORD_ALIGNED(address)) { m_space->write_word(address, data >> 16); m_space->write_word(address + 2, data); |