23 lines
309 B
C
23 lines
309 B
C
#include <kbd.h>
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static inline u8
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inb(u16 port)
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{
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u8 ret;
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__asm__ volatile ( "inb %w1, %b0"
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: "=a"(ret)
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: "Nd"(port)
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: "memory");
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return ret;
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}
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u8
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waitkey(void)
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{
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u8 k;
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while ((k=inb(0x60))<128);
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while (inb(0x60)>128);
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return k;
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}
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