| |
Move To / From Special Registers
86/88 |
N |
186 |
N |
286 |
N |
386 |
Y |
486 |
Y |
MOV destination, source |
Ovfl |
N |
Dir |
N |
Int |
N |
Trap |
N |
Sign |
N |
Zero |
N |
Aux |
N |
Prty |
N |
Carry |
N |
These forms of MOV store or load the special registers in or from
a general purpose register
Valid registers for these commands are:
Control Registers CR0, CR2, CR3
Debug Registers DR0, DR1, DR2, DR3, DR6, DR7
Test Registers TR6, TR7
------------------------------------ Timing ----------------------------------
OpCode Instruction 386 286 86
0F 20/r MOV r32, CRx 6
0F 22/r MOV CRx, r32 10/4/5
0F 21/r MOV r32, DR0-3 22
0F 21/r MOV r32, DR6-7 14
0F 23/r MOV DR0-3, r32 22
0F 23/r MOV DR6-7, r32 16
0F 24/r MOV r32, TRx 12
0F 26/r MOV TRx, r32 12
See Also MOVS PUSH POP XCHG XLAT MOVSX MOVZX |