ds 18s20 or ds1821

[skimask]

trying to read temperature have either chip cant get good reading
or maybe none
have a 877a at 20 mhz using bootloader
and have a 4.7 k pull up resistor
listing here
any help would be appreicated
have tried a number of programs to no avail

Check that really long (300+ posts) thread in PBPro called SerIn SerOut Problems. In it, there's almost a complete example of running an DS1820.