22 lines
499 B
NASM
22 lines
499 B
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; vulcanOS Kernel ;
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; Developed by Marco 'icebit' Cetica ;
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; (c) 2019-2021 ;
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; Released under GPLv3 ;
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; https://github.com/ice-bit/vulcanos ;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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global outb ; Output from port
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global inb ; Input to port
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outb:
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mov al, [esp + 8]
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mov dx, [esp + 4]
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out dx, al
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ret
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inb:
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mov dx, [esp + 4]
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in al, dx
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ret
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