AngoLinux |
80386 Programmer's Reference Manual -- Opcode MOVSX |
MOVSX -- Move with Sign-Extend
OperationDEST := SignExtend(SRC); DescriptionMOVSX reads the contents of the effective address or register as a byte or a word, sign-extends the value to the operand-size attribute of the instruction (16 or 32 bits), and stores the result in the destination register.Flags AffectedNoneProtected Mode Exceptions#GP(0) for an illegal memory operand effective address in the CS, DS, ES, FS or GS segments; #SS(0) for an illegal address in the SS segment; #PF(fault-code) for a page faultReal Address Mode ExceptionsInterrupt 13 if any part of the operand would lie outside of the effective address space from 0 to 0FFFFHVirtual 8086 Mode ExceptionsSame exceptions as in Real Address Mode; #PF(fault-code) for a page fault
[Home Page dell'ITIS "Fermi"] [80386 Programmer's Reference Manual Index] [Previous] [Next] |