Problem with Picbasic Pro and PIC10F202, PIC10F206

I'm using the following:
(1) PICBASIC PRO 2.45 (Updated with PIC10F Library)
(2) meLAB Serial Programmer
(3) PIC10 Adaptor which I made by myself for PDIP Package(http://users.adelphia.net/~mjan/PIC10F20x.jpg)

Even with such a simple program as following, the chip doesn't even run:

MAIN:
LOW GPIO.0
SLEEP 1
HIGH GPIO.0
SLEEP 1
GOTO MAIN
END

The programming process went perfectly fine, The chip was verified and the code was in there. I was able to do all the normal functions such as ERASE, Check Blank, READ...etc.

The chip was programmed with the following Configuration:
Watchdog Timer: Enabled
MCLR Pin Function: Input Pin
Code Protect: OFF

However, when I hook up the chip: 5V -> Vdd, GND -> Vss, and oscilliscope to GPIO.0, I didn't see any wave form. The output of GPIO.0 is just a logic '0'.

I'm not sure what's wrong with it. I tried this on PIC10F202, and also PIC10F206, both gave me the same result. Are there anyone that successfully got PIC10F20x working? Thanks for your help!

You don't want to use the PBP sleep command on any
PIC that generates a "device reset" on wake-up via the
WDT.

GPIO stays at logic 0 because the WDT timeout causes
a device reset after the 1st sleep period expires.

Try replacing sleep with a short pause, and see if it works.

Hello Mika,

M>>MAIN:
LOW GPIO.0
SLEEP 1
HIGH GPIO.0
SLEEP 1
GOTO MAIN
END
<<

You need to go to the data sheet...
You have not set your pins to all output.
You have not turned off your comparitor.

TRISIO=%00000000 SEtting your pins to output ((not digital))
eventhough HIGH and LOW automatically set your pins to outputs, I have a habit of doing it anyhow...Because I use the value of 1 and 0.
CMCON0=7 turning off the comparitors

Instead of sleep, I would use Pause 500.

See this thread:
http://www.picbasic.co.uk/forum/show...light=blink%2A

Dwayne