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29 lines
547 B
29 lines
547 B
14 years ago
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#include <windows.h>
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#include "ioport.h"
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void outport(unsigned int portid, unsigned int value)
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{
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asm("out %%ax,%%dx" : : "a"(value), "d"(portid));
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}
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void outportb(unsigned int portid, unsigned char value)
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{
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asm("out %%al,%%dx" : : "a"(value), "d"(portid));
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}
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unsigned char inportb(unsigned int portid)
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{
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unsigned char value;
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asm("in %%dx,%%al" : "=a"(value) : "d"(portid));
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return value;
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}
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unsigned int inport(unsigned int portid)
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{
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int value=0;
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asm("in %%dx,%%ax" : "=a"(value) : "a"(value), "d"(portid));
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return value;
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}
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