X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 62 - cswitch

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INT 62 - Cswitch - SEND MESSAGE
        AH = 0Bh
        CX = number of bytes to write
        DS:SI -> buffer
        DX = queue number (0-63)
Return: AX = FFFEh triggered by something arriving, redo the call
           = FFFFh bad queue number
           = 0000h no message was on queue
             else  number of bytes in message
SeeAlso: AH=0Ah,AH=0Ch

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