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Ryan Fleury
18 lines
500 B
NASM
18 lines
500 B
NASM
; Copyright (c) Epic Games Tools
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; Licensed under the MIT license (https://opensource.org/license/mit/)
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; $ c:\devel\projects\bin\win32\nasm src\pe\dos_program.asm -fbin -o dos_program.bin
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BITS 16
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SEGMENT CODE
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push cs ; copy psp segment address to ds
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pop ds
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mov dx, msg ; set print string
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mov ah, 9h ; print to stdout
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int 21h
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mov ax, 0x4c01 ; terminate with return code 1 in al
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int 0x21
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msg: DB "This program cannot be run in DOS mode.$",0
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ALIGN 8, DB
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