inp Example
10 CLEAR SCREEN
20 PRINT INP(&H3F8)
30 PRINT INP(&H3E8)
40 PRINT INPW(&H3F8)
50 PRINT INPW(&H3E8)
60 OUT (&H3F8),3
70 PRINT INP(&H3F8)
80 OUTW (&H3F8),45
90 PRINT INPW(&H3F8)
100 END