Question

If H=20,L=30 ,D=01,E=02 then after XCHG instruction L= *


​

Answer 1

Answer:

In 8085 Instruction set, there is one mnemonic XCHG, which stands for eXCHanGe. This is an instruction to exchange contents of HL register pair with DE register pair. This instruction uses implied addressing mode. As it is1-Byte instruction, so It occupies only 1-Byte in the memory. After execution of this instruction, the content between H and D registers and L and E registers will get swapped respectively.

Answer 2

Step-by-step explanation:

thanks for the free points.....