User's Manual

THE 80286 INSTRUCTION SET
POPA-Pop All General Registers
Opcode Instruction Clocks Description
61 POPA 19 Pop in order: DI,SI,8P,SP,8X,DX,CX,AX
FLAGS MODIFIED
None
FlAGS UNDEFINED
None
OPERATION
POPA pops the eight general registers given in the description above, except that the SP value is
discarded instead of loaded into SP. POPA reverses a previous PUSHA, restoring the general registers
to their values before
PUSHA was executed. The first register popped is DI.
PROTECTED MODE EXCEPTIONS
#SS(O) if the starting or ending stack address is not within the stack segment.
REAL ADDRESS MODE EXCEPTIONS
Interrupt 13 for a word operand at offset OFFFFH.
8-85