VKD_Put_Byte

include vkd.inc

mov al, MsgByte
VxDcall VKD_Put_Byte
jc      queue_full

Puts a byte into the system message queue, if possible. Sets the carry flag is set if the message queue is full; otherwise, it is clear. Uses Flags.

• No return value.

MsgByte

Byte of data to put into the system message queue.