gnupic: Re: [gnupic] How do I set configuration bits for 18f252 in gpasm?
Subject:
Re: [gnupic] How do I set configuration bits for 18f252 in gpasm?
From:
"George M. Gallant, Jr." ####@####.####
Date:
8 Jun 2006 21:13:27 +0100
Message-Id: <1149797601.7057.81.camel@scuba.home.net>
gpasm does a fine job with the 18f252. Here is my current setup.
George
; __CONFIG _CONFIG1H, _OSCS_OFF_1H & _HS_OSC_1H
__CONFIG _CONFIG1H, _OSCS_OFF_1H & _HSPLL_OSC_1H
__CONFIG _CONFIG2L, _PWRT_ON_2L & _BOR_OFF_2L &
_BORV_20_2L
__CONFIG _CONFIG2H, _WDT_OFF_2H
__CONFIG _CONFIG4L, _DEBUG_OFF_4L & _LVP_OFF_4L &
_STVR_ON_4L
__CONFIG _CONFIG5L, _CP0_OFF_5L & _CP1_OFF_5L
__CONFIG _CONFIG5H, _CPB_OFF_5H & _CPD_OFF_5H
__CONFIG _CONFIG6L, _WRT0_OFF_6L & _WRT1_OFF_6L
__CONFIG _CONFIG6H, _WRTC_OFF_6H & _WRTB_OFF_6H &
_WRTD_OFF_6H
__CONFIG _CONFIG7L, _EBTR0_OFF_7L & _EBTR1_OFF_7L
__CONFIG _CONFIG7H, _EBTRB_OFF_7H
On Thu, 2006-06-08 at 14:24 -0400, David Froseth wrote:
> I would like to use gpasm to make a hex file for a 18f252 pic. However,
> I am unsure of how to write the code, which sets up the configuration
> bits. The 18f parts have several config files located in 0x300001 -
> 0x30000d of the program memory. How do I write my assembly program so
> that gpasm knows what to do?
>
> I would like to have these values in the various config files:
>
> config1h = b'00100010'
> config2l = b'00001110'
> config2h = b'00001110'
> config3h = b'00000001'
> config4l = b'10000001'
>
> Thanks for any advice.
>
> p.s. Does gpasm support all of the additional instructions of the
> enhanced 18f parts - i.e. bra, movlb, movff, etc?
>
>
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