Int D4/AH=2Ah

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PC-MOS/386 v5.01 - SWAP CONTROL BLOCK DATA OF SCB OR TCB

AH = 2Ah
BX = offset into control block at which to start swap
CX = number of bytes to swap
DX = segment/selector of control block obtained via AH=26h or AH=27h
DS:SI -> buffer containing new data and to receive current data

Return:
CF clear if successful CF set on error AX = error code (see also #01680 at INT 21/AH=59h/BX=0000h) 05h access denied due to an invalid segment/selector

Note: The interrupts are disabled during the swap to prevent corruption

See Also: AH=26h - AH=27h - AH=28h - AH=29h

Category: Other Operating Systems - Int D4h - P

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