PBP migration from 16F88 to 16F1827

[Darrel Taylor]

What thing(s) am I failing to do?

Well, you failed to include the part that reads the A/D, "Manipulates" it, then outputs it to a pin.
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[RussMartin]

I didn't include anything else because (a) everything ran fine on the '88 and (b) one of the five identically-processed channels is working just fine.

All five channels are handled like this (different VARs, of course) in a loop, with the interrupt enabled:

FOR SAMPLX=4 TO 1 STEP -1
ADCIN 2,INMD
IF INMD>TEMPMD THEN TEMPMD=INMD
NEXT SAMPLX
INMD=TEMPMD
IF MODE=1 THEN GOTO HOP3
IF INMD>341 THEN
INMD=(INMD-342)*3
ELSE
INMD=0
ENDIF
HOP3:
IF INMD<10 THEN COMP=0
IF INMD<THRES THEN INMD=THRES+INMD+COMP
INMD=INMD+COMP
IF INMD>1023 THEN INMD=1023
TEMPMD=0
XMD=INMD/2

The INT_INT handler looks like this:

STATE:
FOR INDEX=511 TO 1 STEP -1
IF INDEX=XLO THEN OLO=1
IF INDEX=XLM THEN OLM=1
IF INDEX=XMD THEN OMD=1
IF INDEX=XMH THEN OMH=1
IF INDEX=XHI THEN OHI=1
NEXT INDEX
OLO=0 : OLM=0 : OMD=0 : OMH=0 : OHI=0
@ INT_RETURN