WebbFor example, the least significant 2 bytes of EAX can be treated as a 16-bit register called AX. The least significant byte of AX can be used as a single 8-bit register called AL, while the most significant byte of AX can be … WebbThe four general purpose registers are the AX, BX, CX, and DX registers. AX - accumulator, and preferred for most operations. BX - base register, typically used to hold the address …

How many registers does an x86-64 CPU have?

WebbThe lower 16 bits of the register can be referenced using the name AX. The lower 8 bits of the AX register are also known as the AL register (for A-Low), and the upper 8 bits of the … board mounted test clips

Basic Assembly Language I (Data Size) - University of Hawaiʻi

http://math.uaa.alaska.edu/~afkjm/cs221/handouts/irvine2.pdf WebbThere are eight 16-bit general-purpose registers: AX, BX, CX, DX, BP, SI, DI, and SP; and you can place any value in them that may be expressed in 16 bits or fewer. When Intel … Webb%eax is a 32-bit register (just like %al is 8-bit, %ax is 16-bit and %rax is 64-bit). While %rsp in (%rsp) is 64-bit, the expression (%rsp) is a move to the memory location held in %rsp, … board mount power supply