trunk/src/devices/cpu/se3208/se3208.cpp
| r250346 | r250347 | |
|---|
| 51 | 51 | |
| 52 | 52 | UINT32 se3208_device::read_dword_unaligned(address_space &space, UINT32 address) |
| 53 | 53 | { |
| 54 | | if (address & 3) |
| 55 | | return space.read_byte(address) | space.read_byte(address+1)<<8 | space.read_byte(address+2)<<16 | space.read_byte(address+3)<<24; |
| 56 | | else |
| 54 | switch (address & 3) |
| 55 | { |
| 56 | case 0: |
| 57 | 57 | return space.read_dword(address); |
| 58 | case 1: |
| 59 | case 2: |
| 60 | case 3: |
| 61 | // printf("dword read unaligned %d\n", address & 3); |
| 62 | return space.read_byte(address) | space.read_byte(address + 1) << 8 | space.read_byte(address + 2) << 16 | space.read_byte(address + 3) << 24; |
| 63 | |
| 64 | } |
| 65 | |
| 66 | return 0; |
| 58 | 67 | } |
| 59 | 68 | |
| 60 | 69 | UINT16 se3208_device::read_word_unaligned(address_space &space, UINT32 address) |
| r250346 | r250347 | |
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| 67 | 76 | |
| 68 | 77 | void se3208_device::write_dword_unaligned(address_space &space, UINT32 address, UINT32 data) |
| 69 | 78 | { |
| 70 | | if (address & 3) |
| 79 | switch (address & 3) |
| 71 | 80 | { |
| 81 | case 0: |
| 82 | space.write_dword(address, data); |
| 83 | break; |
| 84 | |
| 85 | case 1: |
| 86 | case 2: |
| 87 | case 3: |
| 72 | 88 | space.write_byte(address, data & 0xff); |
| 73 | | space.write_byte(address+1, (data>>8)&0xff); |
| 74 | | space.write_byte(address+2, (data>>16)&0xff); |
| 75 | | space.write_byte(address+3, (data>>24)&0xff); |
| 89 | space.write_byte(address + 1, (data >> 8) & 0xff); |
| 90 | space.write_byte(address + 2, (data >> 16) & 0xff); |
| 91 | space.write_byte(address + 3, (data >> 24) & 0xff); |
| 92 | // printf("dword write unaligned %d\n", address & 3); |
| 93 | break; |
| 76 | 94 | } |
| 77 | | else |
| 78 | | { |
| 79 | | space.write_dword(address, data); |
| 80 | | } |
| 95 | |
| 81 | 96 | } |
| 82 | 97 | |
| 83 | 98 | void se3208_device::write_word_unaligned(address_space &space, UINT32 address, UINT16 data) |