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18 lines
370 B
NASM
18 lines
370 B
NASM
global start
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section .text
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bits 32
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start:
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; print `OK` to screen
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mov dword [0xb8000], 0x2f4b2f4f
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hlt
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; Prints `ERR: ` and the given error code to screen and hangs.
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; parameter: error code (in ascii) in al
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error:
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mov dword [0xb8000], 0x4f524f45
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mov dword [0xb8004], 0x4f3a4f52
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mov dword [0xb8008], 0x4f204f20
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mov byte [0xb800a], al
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hlt
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