Intel 210200-002 manual MP Jump Unconditionally JMP

J MP JUMP UNCONDITIONALLY JMP

Encoding:

Intra-Segment Direct:

1111 01 001 1 disp-Iow 1 disp-high

DEST = (lP) + disp

Intra-Segment Direct Short:

11 1 1	0 1 0 1 1 1	d isp
DEST	= (IP) + disp sign extended to 16-bits

Intra-Segment Indirect:

111111111 1mod 1 00 rIm 1

DEST = (EA)

Inter-Segment Direct:

1111 01 01 0 1 offset-low 1 offset-high

1seg-Iow 1 seg-high

DEST = offset, SEG = seg

Inter-Segment Indirect:

11111111 1 1mod 1 01 rIm 1

D·EST= (EA), SEG = (EA +2)

JMP Operands Clocks Transfers Bytes JMP Coding Example

short-label	15	-	2	JMP SHORT
near-label	15	-	3	JMP WITHIN_SEGMENT
far-label	15	-	5	JMP FAR_LABEL
memptr16	18+EA	-	2-4	JMP [BX].TARGET
regptr16	11	-	2	JMPCX
memptr32	24+EA	-	2-4	JMP OTHER.SEG [SI]

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