====== X16_COPY_MV ======

[x16]

(Defined in //x16.bas//)

The ''X16_COPY_MV'' subroutine copies an area of RAM to the VRAM.

===== Subroutine header =====

<code xcbasic>
SUB X16_COPY_MV (srcAddr AS WORD, targetAddr AS LONG, cntBytes AS WORD) _
SHARED STATIC
</code>

Where

  * ''scrAddr'' is a number between 0 and 65535 and denotes the start of the memory area in RAM
  * ''targetAddr'' is a number between 0 and 131071 and denotes the address in VRAM where the area will be copied to
  * ''cntBytes'' is the number of bytes to be copied, a number between 0 and 65535
===== Example =====

<code xcbasic>
' Copy 1024 bytes from RAM $4000 TO VRAM $12000
CALL X16_COPY_MV ($4000, $12000, 1024)
</code>

<adm note>
Interrupts will be disabled during copy.
</adm>