39 lines
1008 B
NASM
39 lines
1008 B
NASM
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include 'fasm2.inc'
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format PE64 console
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entry main
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section '.data' data readable writeable
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message db 'Hello World!', 13, 10
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message_len = $ - message
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written dq ?
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section '.text' code readable executable
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main:
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sub rsp, 40 ; 32 + 8 for alignment
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mov ecx, -11 ; STD_OUTPUT_HANDLE
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call [GetStdHandle]
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mov rcx, rax ; Handle
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lea rdx, [message] ; Buffer
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mov r8, message_len ; Length
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lea r9, [written] ; Bytes written
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push 0 ; Reserved parameter
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sub rsp, 32 ; Shadow space
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call [WriteConsoleA]
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add rsp, 40 ; Cleanup stack + reserved param
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xor ecx, ecx ; Exit code 0
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call [ExitProcess]
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section '.idata' import data readable
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library kernel32,'KERNEL32.DLL'
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include 'win64a.inc'
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import kernel32,\
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GetStdHandle,'GetStdHandle',\
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WriteConsoleA,'WriteConsoleA',\
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ExitProcess,'ExitProcess'
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