Plat_UpByValue

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65:Plat_UpByValue (tag, speed, delay, height)

tag: Tag of affected sector 
speed: Speed of move 
delay: Tics before going back down 
height: Amount to raise by 

Raises a platform by (height * 8) units, waits, and then lowers it back to its original position. If tag is 0, then the sector on the line's back side is used.