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Tema 2. Características del Microprocesador 80X86. - UAM

Tema 2. Características del Microprocesador 80X86. - UAM

Tema 2. Características del Microprocesador 80X86. - UAM

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<strong>Tema</strong> <strong>2.</strong> <strong>Características</strong> <strong>del</strong> <strong>Microprocesador</strong><br />

<strong>80X86.</strong><br />

Instrucciones de Llamado a Subrutina (cont.)<br />

Mnemónico<br />

CALL etiqueta lejana<br />

Código Objeto<br />

9A 00 10 D3 09<br />

FF 1E 00 10<br />

FF 1D<br />

Mnemónico<br />

CALL FAR PTR MEMF<br />

CALL [MEMWWDS]<br />

CALL DWORD PTR[DI]<br />

Segmento<br />

Código<br />

Datos<br />

Datos<br />

Operación simbólica<br />

SP SP –2;<br />

[SP+1:SP] CS;<br />

CS09D3H;<br />

SP SP –2;<br />

[SP+1:SP] IP;<br />

IP 1000H<br />

Similar al anterior excepto:<br />

CS [1003H:1002H];<br />

IP [1001H:1000H]<br />

Similar al anterior excepto:<br />

CS[DI+3:DI+2];<br />

IP[DI+1:DI]

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