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Copyright 1991 David Jurgens |
JMP - Unconditional Jump
Usage: JMP target
Modifies flags: None
Unconditionally transfers control to "label". Jumps by default
are within -32768 to 32767 bytes from the instruction following
the jump. NEAR and SHORT jumps cause the IP to be updated while FAR
jumps cause CS and IP to be updated.
Clocks
Operands 808x 286 386 486
rel8 (relative) 15 7+m 7+m 3
rel16 (relative) 15 7+m 7+m 3
rel32 (relative) - - 7+m 3
reg16 (near, register indirect) 11 7+m 7+m 5
reg32 (near, register indirect) - - 7+m 5
mem16 (near, mem indirect) 18+EA 11+m 10+m 5
mem32 (near, mem indirect) 24+EA 15+m 10+m 5
ptr16:16 (far, dword immed) - - 12+m 17
ptr16:16 (far, PM dword immed) - - 27+m 19
ptr16:16 (call gate, same priv.) - 38+m 45+m 32
ptr16:16 (via TSS) - 175+m TS 42+TS
ptr16:16 (via task gate) - 180+m TS 43+TS
mem16:16 (far, indirect) - - 43+m 13
mem16:16 (far, PM indirect) - - 31+m 18
mem16:16 (call gate, same priv.) - 41+m 49+m 31
mem16:16 (via TSS) - 178+m 5+TS 41+TS
mem16:16 (via task gate) - 183+m 5+TS 42+TS
ptr16:32 (far, 6 byte immed) - - 12+m 13
ptr16:32 (far, PM 6 byte immed) - - 27+m 18
ptr16:32 (call gate, same priv.) - - 45+m 31
ptr16:32 (via TSS) - - TS 42+TS
ptr16:32 (via task state) - - TS 43+TS
m16:32 (far, address at dword) - - 43+m 13
m16:32 (far, address at dword) - - 31+m 18
m16:32 (call gate, same priv.) - - 49+m 31
m16:32 (via TSS) - - 5+TS 41+TS
m16:32 (via task state) - - 5+TS 42+TS
- see Instruction Timing
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jmp |
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