45 lines
526 B
PHP
45 lines
526 B
PHP
;Reads a keypress and prints its BIOS code.
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keycode:
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;Read a keypress
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mov ah, 0x0
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int 0x16
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;Store the keycode
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mov [.scan], ah
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mov [.ascii], al
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;Print the prefix
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mov si, .prefix
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call printstr
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;Convert the scancode to a hex string
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mov ah, [.scan]
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mov di, .keycode
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call byte2hexstr
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;Convert the ascii value to a hex string
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mov ah, [.ascii]
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mov di, .keycode
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add di, 0x2
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call byte2hexstr
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;Print the keycode
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mov si, .keycode
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call println
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ret
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.prefix:
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db "0x", 0x0
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.scan:
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db 0x0
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.ascii:
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db 0x0
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.keycode:
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times 0x5 db 0x0
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