POKE - a memory statement that writes a byte into a memory location
 
Syntax
  POKE address,byte
    - address, a numeric expression that returns a value between
      0 and 65,535, is an offset into the memory segment specified by
      the most recently executed DEF SEG statement
    - byte, a numeric expression that returns an integer value between
      0 and 255, is the data to be written into the memory location
 
See Also  <DEF SEG>  <PEEK>  <VARPTR$>  <VARPTR>  <VARSEG>