28 lines
525 B
NASM
28 lines
525 B
NASM
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; Linker file:
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; ENTRY(start); SECTIONS { . = 1M; .boot : { KEEP(*(.multiboot_header)) } .text : { *(.text) } }
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; compile: nasm -i. -felf64 e_standalone.asm -o e
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section .multiboot_header
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bits 32
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header_start:
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dd 0xe85250d6
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dd 0
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dd header_end - header_start
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dd 0x100000000 - (0xe85250d6 + 0 + (header_end - header_start))
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dw 0
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dw 0
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dd 8
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header_end:
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global start
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section .text
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bits 32
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start:
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mov ecx, 0
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loop:
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mov dword [0xb8000 + (ecx * 2)], (15 << 8) | (0x00000065)
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inc ecx
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cmp ecx, 2000
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jne loop
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hlt
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