Opcode Instruction Clocks Description 9B WAIT 6 min. Wait until BUSY pin is inactive (HIGH)
Description
WAIT suspends execution of 80386 instructions until the BUSY# pin is inactive (high). The BUSY# pin is driven by the 80287 numeric processor extension.
Flags Affected
None
Protected 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 Exceptions
Same exceptions as in Protected Mode
Virtual 8086 Mode Exceptions
Same exceptions as in Protected Mode