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IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)

IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)

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Indirect within segment<br />

11111111 mod 1 0 0 rIm<br />

Direct intersegment<br />

111101010 offset-low<br />

seg-Iow<br />

offset-high<br />

seg-high<br />

Indirect intersegment<br />

11111111 mod 1 0 1 rIm<br />

RET =Return from CALL<br />

Within segment<br />

1110000111<br />

Within seg. adding immed to SP<br />

11 1 0 0 0 0 1 0 I data-low data-high<br />

Intersegment<br />

11 1 001 01 1<br />

Intersegment, adding immediate to SP<br />

11 1 0 0 1 0 1 0 I data-low<br />

JE/JZ = Jump on equallzero<br />

I0 1 1 1 0 1 0 0 I disp I<br />

data-high<br />

JL/JNGE =Jump on less/not greater or equal<br />

I 0 1 1 1 1 1 0 0 I disp I<br />

JLE/JNG =Jump on less or equal/not greater<br />

I 0 1 1 1 1 1 1 0 I disp I<br />

JB/JNAE =Jump on below/not above or equal<br />

I0 1 1 1 0 0 1 0 I disp I<br />

JBE/JNA =Jump on below or equal/not above<br />

I0 1 1 1 0 1 1 0 I disp I<br />

JP/JPE =Jump on parity/parity even<br />

I0 1 1 1 1 0 1 0 I disp I<br />

JO =Jump on overflow<br />

I0 1 1 1 0 0 0 /0<br />

disp I<br />

B-12

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