Int 15/AH=05h

MultiDOS Plus - CHECK MAILBOX

AH = 05h
AL = mailbox number (00h-3Fh)

Return:
AH = status
00h successful
DX = length of first message in queue, 0000h if no message
02h invalid mailbox number

See Also: AH=04h"MultiDOS" - AH=06h"MultiDOS"

Category: DOS-Based Task Switchers/Multitaskers - Int 15h - M

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