Int 14/AH=0Ah

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MBBIOS - WRITE BUFFER

AH = 0Ah
CX = count
ES:DI -> buffer (see #00338)

Return:
AX = status (see #00304,#00305) CX = unsent character count DI updated

Note: The PACCOM version of MBBIOS does not use CX or ES:DI; instead, ES contains the segment of a buffer containing the packet to be sent, which by default will be freed once the packet has been sent. Use AH=0Ch"MBBIOS" to allocate the buffer.

See Also: AH=01h - AH=0Bh"MBBIOS" - AH=0Ch"MBBIOS" - AH=1

Format of MBBIOS PACCOM buffer: Offset Size Description (Table 00338) 00h 504 BYTEs data area 1F8h WORD length of data in data area 1FAh BYTE flags/status

bit 7:
Don't discard buffer after transmitting data

bit 6:
Buffer has been transmitted 1FBh BYTE reserved (0) for additional flags/status 1FCh WORD user data 1FEh WORD MBBIOS-internal pointer to next buffer

Category: Serial I/O - Int 14h - M

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