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Newbie Assembler problem.

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cadrjr2

Joined: 17 Dec 2008
Posts: 1

Newbie Assembler problem.

Posted: Wed Dec 17, 2008 11:18 am

Reply with quote

I'm trying to get a piece of PICC assembley code to return an int.
(The find_parity example below, from Help, seems to be syntactily incorrect and no help to me.)

I have something like:

Code:

int find_parity(int data){

int count;

#asm

.....
.....

MOVWF _RETURN_
#endasm
}

I get the error message
"Function not void and does not return a value find_parity."
Can someone please tell me where I'm going wrong ?
CADRJR

Code:

int find_parity(int data){

int count;

#asm
MOV #0x08, W0
MOV W0, count
CLR W0

loop:
XOR.B data,W0
RRC data,W0
DEC count,F
BRA NZ, loop
MOV #0x01,W0
ADD count,F
MOV count, W0
MOV W0, _RETURN_
#endasm

}

PCM programmer

Joined: 06 Sep 2003
Posts: 21708


Posted: Wed Dec 17, 2008 11:48 am

This thread tells how to disable that warning message: http://www.ccsinfo.com/forum/viewtopic.php?p=84796

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