gnupic: Re: [gnupic] pic16 wrong bank selection in sdcc 2.5 ?
Subject:
Re: [gnupic] pic16 wrong bank selection in sdcc 2.5 ?
From:
Borut Razem ####@####.####
Date:
28 Jan 2006 09:58:02 +0000
Message-Id: <43DB4026.7080504@siol.net>
Hi Rick,
try it with the latest SDCC snapshot. If it is not solved, submit a bug
report to http://sourceforge.net/tracker/?group_id=599&atid=100599
P.S.: SDCC related question should be sent to the SDCC user or SDCC
devel mailing lists:
####@####.####
####@####.####
Borut
Rick Bronson wrote:
>Hello,
>
> Just wondered if this problem has been addressed:
>
> If I do (PR2 is in bank 1 at address 0x92):
>
> Transmit_byte(PR2);
>
> I get:
>
> ;#CSRC test.c 188
> ; Transmit_byte(PR2);
>0004b8 0812 movf 0x12, w MOVF _PR2,W
>0004b9 24d1 call 0x4d1 CALL _Transmit_byte
>
>
> This is wrong, it needs to select a different bank before doing the
> "movf". It works if I do:
>
>
>
> i = PR2;
> Transmit_byte(i);
>
> ; i = PR2;
>0004b8 1683 bsf 0x3, 0x5 BSF STATUS,5
>0004b9 0812 movf 0x12, w MOVF _PR2,W
>0004ba 1283 bcf 0x3, 0x5 BANKSEL _i
>0004bb 1303 bcf 0x3, 0x6
>0004bc 00a5 movwf 0x25 MOVWF _i
> ;#CSRC test.c 189
> ; Transmit_byte(i);
>
> Thanks for any help.
>
> Rick Bronson
>
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