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80386 Programmer's Reference Manual -- Opcode WAIT |
WAIT -- Wait until BUSY# Pin is Inactive (HIGH)
DescriptionWAIT suspends execution of 80386 instructions until the BUSY# pin is inactive (high). The BUSY# pin is driven by the 80287 numeric processor extension.Flags AffectedNoneProtected Mode Exceptions#NM if the task-switched flag in the machine status word (the lower 16 bits of register CR0) is set; #MF if the ERROR# input pin is asserted (i.e., the 80287 has detected an unmasked numeric error)Real Address Mode ExceptionsSame exceptions as in Protected ModeVirtual 8086 Mode ExceptionsSame exceptions as in Protected Mode
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