how to control servo motor for using IR sensor on ATTINY85??

hi

i would like to know the coding which is to control servo motor for using IR sensor on attiny85 chip.

i can do with arduino but attiny85 is not same as it.

what i want to control is simple 

press button (0x01FE847B) to move servo motor 180 degree
press button (0x01FE44BB)to move servo motor 0 degree

please help me 

http://naver.me/GkO2S4ik