19 lines
400 B
C
19 lines
400 B
C
#pragma once
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/*
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* return a byte from a port.
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*/
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unsigned char port_byte_in(unsigned char port);
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/*
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* write a byte of data to a port.
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*/
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void port_byte_out(unsigned char port, unsigned char data);
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/*
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* return a word of data from a port.
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*/
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unsigned short port_word_in(unsigned short port);
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/*
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* write a word of data to a port.
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*/
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void port_word_out(unsigned short port, unsigned short data);
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