2024-07-13 07:43:27 +00:00
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;; File: pic.inc
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;; <Datasheet at https://pdos.csail.mit.edu/6.828/2005/readings/hardware/8259A.pdf>
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2024-07-08 17:20:24 +00:00
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PIC1_COMMAND = 0x20
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PIC1_DATA = 0x21
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PIC2_COMMAND = 0xA0
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PIC2_DATA = 0xA1
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PIC_EOI = 0x20
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2024-07-13 08:17:36 +00:00
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2024-07-08 17:20:24 +00:00
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pic_init:
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2024-07-13 08:17:36 +00:00
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2024-07-08 17:20:24 +00:00
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ret
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2024-07-13 08:17:36 +00:00
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pic_disable:
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mov al, 0xFF
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out PIC1_DATA, al
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out PIC2_DATA, al
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ret
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