Tag Archives: opcodes

Writing Programs with Echo (DOS)

How do you input those characters as parameters for the echo command? I found no way of doing that. If you know a way, please drop me a line.

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Encoding Intel x86/IA-32 Assembler Instructions

Translation of the second line is a direct and solved issue. What about jmp 114? Well, we want to jump over the data (18 bytes, one byte per each character in the string.) IASDM tell us (Appendix B) that the opcode for unconditional jumps in the same segment is 11101011, which in hexadecimal, is expressed as EB.

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