POKE int-exp1, int-exp2

The data defined by int-exp1 is POKEd into memory at the decimal location specified by int-exp2.

Program Example.

00100 FOR I = 61440 TO 62463 : REM Address of screen memory
00110 POKE 1,85 : REM Place a "U" on the screen
00120 NEXT I
00130 END 

Try it

See also PEEK, USR.