Is there a label restriction

Is there a label restriction that exists? I am working with the PIC16F687 and am getting errors that telling me that ID XXX is not a label. When I look in the code explorer thing, I am finding that the ID I am trying to use, e.g. XXX is showing up but I am still getting an error. I have made sure I do not have spelling errors. I have changed it to other labels but I am still having the problem. I am using PICBASIC Pro 2.46 and I just downloaded and installed the patch. I currently am trying to use 45 labels in my program. Thanks for your help.

Unless you're using a reserved word, there's no label limit/restriction. Just make sure it's a label problem and not something else.

Yeah sometime the error messages have nothing to do with the REAL problem....

post your code here, we could spot it for you.

Here is part of my code. This is for communication from one micro to another. I can't seem to find it. Thanks.

INITIATE_COMM VAR PORTA.2

SETUP_SERIAL_RECEIVE:
PAUSe 10
GOSUB SERIAL_REQUEST
TRISC = %01000000
PAUSE 10
LISTEN_RECEIVE:
BUTTON INITIATE_COMM, 1, 255, 0, C7, 0, RX -line 258, ID not Label
PAUSE 10
GOTO LISTEN_RECEIVE

SERIAL_REQUEST:
' request variable values
OUTPUT_DATA_REQUEST = 1 ' request other chip to communicate
BUTTON INITIATE_COMM, 1, 255, 0, C7, 1, RETURN -line 265, bad exp
PAUSE 10
GOTO SERIAL_REQUEST

RX:
OUTPUT_DATA_REQUEST = 0 ' turn off pin to send data
PAUSE 10
SERIN2 SERIAL_INPUT, 600, [WAIT("A"), BIN MODE] - line 272, bad exp

SETUP_SERIAL_TRANSMIT:
PAUSe 10
GOSUB SERIAL_REQUEST
TRISC = %01000000
PAUSE 10
LISTEN_XMIT:
BUTTON INITIATE_COMM, 1, 255, 0, C7, 0, TRANSMIT_DATA - line 280, bad ex
PAUSE 10
GOTO LISTEN_XMIT -line 282, ID not a label

TRANSMIT_DATA:
PAUSE 10

-------
Errors
ERROR Line 258: ID RX is not a label. (16F687 Controller w LCD v01.pbp)
ERROR Line 265: Bad expression. (16F687 Controller w LCD v01.pbp)
ERROR Line 272: Bad expression. (16F687 Controller w LCD v01.pbp)
ERROR Line 280: Bad expression. (16F687 Controller w LCD v01.pbp)
ERROR Line 282: ID LISTEN_XMIT is not a LABEL. (16F687 Controller w LCD v01.pbp)

it will be hard without the whole variable definition but...

Code:

---

BUTTON INITIATE_COMM, 1, 255, 0, C7, 0, RX -line 258, ID not Label

---

how you defined C7 and RX?

Code:

---

BUTTON INITIATE_COMM, 1, 255, 0, C7, 1, RETURN -line 265, bad exp

---

RETURN is a reserved word.. you MUST use a label name where to jump. On this label you will use a return.

Code:

---

SERIN2 SERIAL_INPUT, 600, [WAIT("A"), BIN MODE] - line 272, bad exp

---

Shouldn't be a problem... and you know that 600 is not 600 bauds right?

C7 VAR BYTE
Rx should be used as label and not used anywhere else.

I thought maybe I could use RETURN because I am doing a gosub to to jump into sub routine and then I want to exit that and return to what i was doing.

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I decided not to try use the one piece of code as a sub-routine and fixed this by just with putting the code in twice. The problem disappeared. My program is huge and I was trying to be extra efficient. I think i am going to have to just go with a micro that has a larger memory. I am using a LCD with this application communicating serially. The code seems to be piling up quickly.

I compiled my code for the 16F687 and saw that it came up to 2042 words and I am still not done writing. I thought I would migrate up to the 16F689 and the code size jumps to 2571 words. Is this because it now needs to go back and forth between memory pages.