User`s manual

DMA - Block of Memory Move
3-45
3
Example 3: Transfer data from the local bus to the VMEbus. First,
show the data at the destination so we can see it change.
PPC1-Bug>MD 100000:40 <Return>
00100000 7C3043AF 7CFFFBBF 7C3143A7 48FFFFDF |0C.|...|1C.H...
00100010 00000001 00FFFC0F 00000003 00FFFFFF ................
00100020 00048003 00FFFFFF 00000008 00FFFEEF ................
00100030 0000000F 00FFFFFF 0000000D 00FFFEEF ................
00100040 00000000 00FFF10F 0000000E 00FFFD5F ..............._
00100050 00000000 00FFF2EF 00000003 00FFFFBF ................
00100060 0000000E 00FFFFFF 0000000A 00FFFEAF ................
00100070 0000068E 00FFFFBF 00000001 00FFFEFF ................
00100080 00000002 00FFF39F 00000002 00FFF39F ................
00100090 00000001 00FFF91F 00000003 00FFFDDF ................
001000A0 0000800F A0FFFFFF 0000020F 00FFF6EF ................
001000B0 0000000D 00FFFFEF 0000200E 00FFF7FF .......... .....
001000C0 00000004 00FFF88F 00000005 00FFFF2F .............../
001000D0 00000009 00FFF84F 00000005 00FFFDDF .......O........
001000E0 0008050F 00FFFFFF 0000000F 00FFFFFF ................
001000F0 0000000D 00FFFF2F 00000008 00FFF7EF ......./........
PPC1-Bug>DMA 80100000:40 01000000 0 d 0;W <Return>
Effective address: 80100000
Effective count : &256
Effective address: 01000000
DMA Completion Status =00000001
PPC1-Bug>
In the above example, 256 bytes of data was moved from the local
bus to the VMEbus. At the end of the transfer, the DMA command
displays the completion status of the transfer.