01 D1 PIC S99V9.01 D2 PIC S99V9.01 S1 PIC S99.01 Y1 PIC S99V9.01 R1 PIC S99V9.DIVIDE D1 INTO D2 GIVING S1 R1 COMPUTE Y1 = R1 - S1 * D2 Y1就是余数
