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Category: DOS-based task switchers/multitaskers

INT 62 - Cswitch - SEND MESSAGE

	AH = 0Bh
	CX = number of bytes to write
	DS:SI -> buffer
	DX = queue number (0-63)
Return: AX = result/message size
	    0000h no message was on queue
	    FFFEh triggered by something arriving, redo the call
	    FFFFh bad queue number
	    else  number of bytes in message
SeeAlso: AH=0Ah"Cswitch",AH=0Ch"Cswitch"

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  Copyright 2000   by Ralf Brown     Updated Jul 2000