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18F26K22 and SETUP_ADC_PORTS

 
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hmmpic



Joined: 09 Mar 2010
Posts: 314
Location: Denmark

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18F26K22 and SETUP_ADC_PORTS
PostPosted: Wed Feb 02, 2011 5:48 am     Reply with quote

Hi

Just switch from a smaller PIC to this one, and now the function SETUP_ADC_PORTS make this code?

Can any explain what the x38,x39... is?


Code:

SETUP_ADC_PORTS(P_ADTemp|VSS_FVR);
084A:  MOVF   ADCON1,W
084C:  ANDLW  F0
084E:  IORLW  08
0850:  MOVWF  ADCON1
0852:  MOVLW  01
0854:  MOVLB  F
0856:  MOVWF  x38
0858:  MOVLW  00
085A:  MOVWF  x3C
085C:  MOVWF  x39
085E:  MOVWF  x3A
0860:  MOVWF  x3B
Ttelmah



Joined: 11 Mar 2010
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PostPosted: Wed Feb 02, 2011 9:26 am     Reply with quote

Selected bank number.
So at B54, bank is set to 'F', giving B5A to B60, clearing locations F3C, F39, F3A and F3B, and B56 putting 1 into F38.
These are the ANSEL registers.

Best Wishes
hmmpic



Joined: 09 Mar 2010
Posts: 314
Location: Denmark

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PostPosted: Wed Feb 02, 2011 10:55 am     Reply with quote

Thanks:-)
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