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30 lines
566 B
30 lines
566 B
#include "../lib/types.h"
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#include "io.h"
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// master
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#define PIC1 0x20
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#define PIC1_CMD PIC1
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#define PIC1_DATA (PIC1+1)
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// slave
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#define PIC2 0xa0
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#define PIC2_CMD PIC2
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#define PIC2_DATA (PIC2+1)
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#define ICW1_ICW4 0x01
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#define ICW1_SINGLE 0x02
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#define ICW1_INTERVAL4 0x04
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#define ICW1_LEVEL 0x08
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#define ICW1_INIT 0x10
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#define ICW4_8086 0x01
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#define ICW4_AUTO 0x02
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#define ICW4_BUF_SLAVE 0x08
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#define ICW4_BUF_MASTER 0x0C
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#define ICW4_SFNM 0x10
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// Ints
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#define PIC_EOI 0x20 // End-of-interupt
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void PIC_sendEOI(uint8);
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void PIC_remap(uint, uint);
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