![]() ![]() ![]() Stack Pointer - hardcoded into PUSH and POP operations Typical Uses of General-Purpose Registers Similarly, AL, DL, CL, and BL represent the low-order 8 bits of the registers.Ģ. Since the processor accesses registers more quickly than it accesses memory, you can make your programs run faster by keeping the most-frequently used data in registers. The AH, DH, CH, and BH registers represent the high-order 8 bits of the corresponding registers. The AX, DX, CX, BX, BP, DI, and SI registers are 16-bit equivalents of the above, they represent the low-order 16 bits of 32-bit registers. The EAX, EDX, ECX, EBX, EBP, EDI, and ESI registers are 32-bit general-purpose registers, used for temporary data storage and memory access. Directives BYTE PTR, WORD PTR, DWORD PTR.The OFFSET Operator and LEA Instruction.EQU Directive and Symbolic Integer Constants. ![]() Typical Uses of General-Purpose Registers.Language Components of MASM and General-Purpose Registers ![]()
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