April 28th, 2008 | by
Jose | published in
Assembler, Debug, History, Retro
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.
April 17th, 2008 | by
Jose | published in
Assembler, Debug, History, Programming, Retro
The Go command (g) will run the program starting at the given address (in this case, CS:0100) If everything goes right, the program should output the intended “hello, world!” string, and finish with the message “Program terminated normally.”
January 21st, 2008 | by
Jose | published in
C, History, Languages, Pascal, Programming, Retro
Personally, by reading “hello, world”, I evoke orange and warm afternoons, with my eyes strained (and soothed) by code. Nice, and overly inefficient Pascal code. In some images, a few BASIC snippets interleave, but those are not that nice to remember…