Opcode BSWAP
CPU: I486 +
Type of Instruction: User
Instruction: BSWAP dwordr
Description:
XCHG BYTE dwordr[31:24],dwordr[7:0]
XCHG BYTE dwordr[23:16],dwordr[15:8]
; Need Good Picture to Show It
Notes: This instruction used for converting big-endian
(Intel) format to little-endian (Motorolla etc.) format.
Flags Affected: None
CPU mode: RM,PM,VM,SMM
Physical Form: BSWAP r32
COP (Code of Operation): 0FH 11001rrr (For 32bit segment)
Clocks: Cyrix Cx486SLC : 4
i486 : 1
Pentium : 1
Cyrix Cx486DX : 4
UMC U5S : 2
IBM 486BL3X : 9
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