28 lines
412 B
NASM
28 lines
412 B
NASM
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%define MULTIBOOT_HEADER_MAGIC 0x1BADB002
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%define MULTIBOOT_HEADER_FLAGS 0x3
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[global start]
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[global _start]
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start:
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_start:
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jmp multiboot_entry
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align 4
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multiboot_header:
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; magic
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dd MULTIBOOT_HEADER_MAGIC
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; flags
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dd MULTIBOOT_HEADER_FLAGS
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; checksum
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dd -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS)
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multiboot_entry:
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mov ax, 0x0700 + 'J'
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mov [0xB8000+160*10+2*2], ax
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looplbl:
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hlt
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jmp looplbl
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