- JetBrains dotPeek (.NET decompiler)
compile a com file on osx and run in dosbox
nasm -f bin first.asm -o first.com
disassemble with ndisasm
"To disassemble a DOS .COM file correctly, a disassembler must assume that the first instruction in the file is loaded at address 0x100, rather than at zero."
ndisasm -o100h filename.com
it will not understand .EXE files like debug will. It just disassembles.
org 0x100 start: mov bx,string repeat: mov al,[bx] test al,al je end push bx mov ah,0x0e mov bx,0x000f int 0x10 pop bx inc bx jmp repeat end: int 0x20 string: db "Hello world!",0