How to load a single byte from address in assembly

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  14. Why do we need to disambiguate when adding an immediate value to a value at a memory address
  15. Near call/jump tables don’t always work in a bootloader
  16. NASM Error Parsing, Instruction Expected
  17. Convert string to int. x86 32 bit Assembler using Nasm
  18. How to force NASM to encode [1 + rax*2] as disp32 + index*2 instead of disp8 + base + index?
  19. Second stage of bootloader prints garbage using Int 0x10/ah=0x0e
  20. Addressing Modes in Assembly Language (IA-32 NASM)
  21. Solution needed for building a static IDT and GDT at assemble/compile/link time
  22. Boot loader doesn’t jump to kernel code
  23. How do AX, AH, AL map onto EAX?
  24. Why is imul used for multiplying unsigned numbers?
  25. What does “DS:[40207A]” mean in assembly?
  26. Assembly compiled executable using INT 0x80 on Ubuntu on Windows Subsystem for Linux doesn’t produce output
  27. Why does leave do “mov esp,ebp” in x86 assembly?
  28. How to tell the length of an x86 instruction?
  29. What’s difference between number with $ or without $ symbol in at&t assembly syntax?
  30. Is processor can do memory and arithmetic operation at the same time?

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