Page 243 - Programming Microcontrollers in C

228 Chapter 5 Programming Large 8-Bit Systems

3 .list +
4 .psect _text
5 ; 1 volatile char able;
6 ; 2 char baker ;
7 ; 3
8 ; 4 test(void)
9 ; 5 {
10 _test:
11 0000 3C pshx
12 0001 34 des
13 0002 30 tsx
14 .set OFST=1
15 ; 6 char dog;
16 ; 7
17 ; 8 dog = able;
18 0003 F60000 ldab _able
19 LL4:
20 0006 E700 stab OFST-1,x
21 ; 9 dog = able;
22 0008 F60000 ldab _able
23 LL6:
24 000B E700 stab OFST-1,x
25 ; 10 able = 0;
26 000D 7F0000 clr _able
27 LL01:
28 ; 11 able = 0;
29 0010 7F0000 clr _able
30 LL21:
31 ; 12 dog = baker;
32 0013 F60001 ldab _baker
33 ; 13 dog = baker;
34 0016 E700 stab OFST-1,x
35 ; 14 baker = 0;
36 ; 15 baker = 0;
37 0018 7F0001 clr _baker
38 ; 16 }
39 001B 31 ins
40 001C 38 pulx
41 001D 39 rts