Page 279 - Programming Microcontrollers in C

264 Chapter 5 Programming Large 8-Bit Systems

#include “hc11e9.h”

WORD count(WORD RPM)
{
return 30000000lu/RPM;
}
The compiled version of this program is

1 ; Compilateur C pour MC68HC11 (COSMIC-France)
2 .include”macro.h11"
3 .list +
4 .psect _text
5 ; 1 #include “hc11e9.h”
6 .psect _data
7 _Register_Set:
8 0000 1000 .word 4096
9;2
10 ; 3 WORD count(WORD RPM)
11 ; 4 {
12 .psect _text
13 _count:
14 0000 BD0000 jsr c_kents
15 0003 08 .byte 8
16 .set OFST=8
17 ; 5 return 120000000lu/RPM;
18 0004 EC08 ldd OFST+0,x
19 0006 6F02 clr 2,x
20 0008 6F03 clr 3,x
21 000A ED06 std OFST-2,x
22 000C EC02 ldd 2,x
23 000E ED04 std OFST-4,x
24 0010 CC0727 ldd #1831
25 0013 ED02 std 2,x
26 0015 EC00 ldd 0,x
27 0017 C3FFFB addd #-5
28 001A 188F xgdy
29 001C CC0E00 ldd #3584
30 001F BD0000 jsr c_ludv