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ccs vs picc

 
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lanyong



Joined: 14 Jan 2004
Posts: 9
Location: Xiamen,Fujian Province, China

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ccs vs picc
PostPosted: Fri Dec 02, 2005 12:17 am     Reply with quote

picc��

#include <pic.h>

__CONFIG(HS&PWRTEN&WDTEN&BOREN&LVPDIS);

#define int8 unsigned char
#define int16 unsigned int


void main()
{
int8 temp1=0,temp2=0;
int16 temp=0,T=0;
while(1)
{
temp1=1;
temp2=2;

*(int8 *)&temp=temp1;
*((int8 *)&temp+1)=temp2;
T=temp;

// temp=make16(temp1,temp2);

}

}

picc:

*(int8 *)&temp=temp1;
*((int8 *)&temp+1)=temp2;

�����
movf temp1,w
movwf temp
movf temp2,w
movwf 0x23

temp Ϊ0x22.0x23
4��ָ��





����������������������������������������������
ccs�ģ���.������
#include <16F877A.h>
//#use delay(clock=20000000)
//#fuses NOWDT,HS, NOPROTECT,NOLVP

void main()
{
int8 temp1=0,temp2=0;
int16 temp=0,T=0;
while(1)
{
temp1=1;
temp2=2;

*(int8 *)&temp=temp1;
*((int8 *)&temp+1)=temp2;
T=temp;

//temp=make16(temp2,temp1);

}

}
.................... *(int8 *)&temp=temp1;
0017: MOVLW temp
0018: MOVWF FSR
0019: MOVF temp1,W
001A: MOVWF INDF
.................... *((int8 *)&temp+1)=temp2;
001B: MOVLW temp+1
001C: MOVWF FSR
001D: MOVF temp2,W
001E: MOVWF INDF

.................... temp=make16(temp2,temp1);
0023: MOVF temp2,W
0024: MOVWF temp+1
0025: MOVF temp1,W
0026: MOVWF temp


����������������������
_________________
Lan Yong
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