====== MEMSHIFT ======

[pet] [vic20] [c64] [c16] [cplus4] [c128] [x16] [m65]
===== Syntax =====

<code xcbasic>
MEMSHIFT <source_address>, <destination_address>, <length>
</code>
  
The ''MEMSHIFT'' command calls a built-in routine that copies //length// number bytes in memory from //source_address// to //destination_address//.

<adm note>
''MEMSHIFT'' uses fast Direct Memory Access (DMA) on the [m65].
</adm>

The routine is overlapping-safe **upwards only**.

{{ :v2::memshift.png?direct&600 |}}

Use it if

  * The source and destination ranges don't overlap, or
  * The destination range is higher in memory

For copying overlapping areas downwards, see ''[[memcpy|MEMCPY]]''.
===== See also =====

  * [[MEMSET]]
  * [[MEMCPY]]