ORG 30H
MOV 40H,A
LCALL SUB
MOV A,#01H
POP SP

ORG FFE0H

SUB:
MOV B,#02H
RET

假始執行前

PC=0030H
SP=30H
ACC=30H
[RAM 40H]=C2H
[RAM 30H]=A1H
[RAM 31H]=A2H
[RAM 32H]=A3H
B=00H
幫我算一下....執行後各個暫存器的變化