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

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STRING MANIPULATION <br />

REP = Repeat<br />

11111001z1<br />

,...-., MOVS = Move String<br />

11 010010w<br />

CMPS = Compare String<br />

1101 0011W<br />

SCAS =Scan String<br />

/1010111W<br />

LODS = Load String<br />

11010110w<br />

STOS =Store String<br />

11010101W<br />

CONTROL TRANSFER<br />

CALL = Call<br />

Direct within segment<br />

/11101000<br />

disp-Iow<br />

disp-high <br />

Indirect within segment<br />

11111111<br />

mod<br />

0 1 0 rIm I <br />

Direct intersegment<br />

/10011010<br />

offset-low<br />

seg-Iow<br />

offset-high <br />

seg-high<br />

Indirect intersegment<br />

11 1 1 1 1 1 1<br />

mod<br />

0 1 1 rIm<br />

JMP =Unconditional Jump<br />

~ Direct within segment<br />

11 1 1 0 1 0 0 1<br />

Direct within segment-short<br />

11 1 1 0 1 0 1 1<br />

1 disp-Iow disp-high<br />

I disp I<br />

B-ll

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