oldcomputernerd.com/md/Atari/entries/two-plus-two.md

Two-Plus-Two

10 ;
20 ;ADDNRS.SRC
30 ;
40  *=$0600
50 ;
60  CLD
70 ADDNRS CLC
80  LDA #2
90  ADC #2
100  STA $CB
110  RTS
120  .END