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DVP-ES2-EX2-SS2-SA2-SX2-Operation Manual

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<strong>DVP</strong>-<strong>ES2</strong>/<strong>EX2</strong>/<strong>SS2</strong>/<strong>SA2</strong>/<strong>SX2</strong>/SE <strong>Operation</strong> <strong>Manual</strong> - Programming<br />

X0<br />

CMP D0 D2 M0<br />

M0<br />

M1<br />

SUB D0 D2 D4<br />

M2<br />

SUB D2 D0 D4<br />

Detailed explanations on negative value and its absolute value<br />

1. MSB = 0 indicates the value is positive while MSB = 1 indicates the value is negative.<br />

2. NEG instruction can be applied to convert a negative value into its absolute value.<br />

(D0=2)<br />

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

(D0=1)<br />

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

(D0=0)<br />

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0<br />

(D0=-1)<br />

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1<br />

(D0=-2)<br />

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

(D0)+1=1<br />

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

(D0)+1=2<br />

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

(D0=-3)<br />

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

(D0=-4)<br />

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

(D0=-5)<br />

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

(D0)+1=3<br />

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

(D0)+1=4<br />

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

(D0)+1=5<br />

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

(D0=-32,765)<br />

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

(D0=-32,766)<br />

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

(D0=-32,767)<br />

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

(D0=-32,768)<br />

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

(D0)+1=32,765<br />

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

(D0)+1=32,766<br />

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

(D0)+1=32,767<br />

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

(D0)+1=-32,768<br />

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

Max. absolute value is 32,767<br />

3-90

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