# CTRDG_ReadAgbSramAsync

## Syntax

      #include <nitro/ctrdg.h>

      void CTRDG_ReadAgbSramAsync(u32 src, void* dst, u32 size, CTRDG_TASK_FUNC callback);

## Arguments

src | Source SRAM address to read (address on the AGB memory map).
dst | Address of the work area to store data that was read (address on the AGB memory map).
size | Size of data read in bytes.
callback | Callback function called when read processing ends.

## Return Values

None.

## Description

Asynchronously reads data of the size given by size into the destination address given by dst from the SRAM address specified by src.

The access cycle setting is created in the function and does not need to be set in advance.

Note: The cartridge bus is locked for a set period by this function.
Note that the AGB backup device cannot be accessed normally with IS-NITRO-DEBUGGER version 1.66 or earlier.

## See Also

`CTRDG_ReadAgbSram`

## Revision History

2006/05/25 Added a description that the AGB backup device cannot be accessed normally with IS-NITRO-DEBUGGER version 1.66 or earlier.
2006/04/07 Initial version.

CONFIDENTIAL