<b>
7:         num = num + 1;
8 :
C:0x0003    0509     INC      0x09
C:0x0005    E509     MOV      A,0x09
C:0x0007    7002     JNZ      C:000B
C:0x0009    0508     INC      num(0x08)
9:         num = num - 1;
C:0x000B    1509     DEC      0x09
C:0x000D    7002     JNZ      C:0011
C:0x000F    1508     DEC      num(0x08)
10: }
C:0x0011    22       RET
</b>