Source:

INIT: LDA N 0
      STR A VAR_A
      STR A DISPLAY
      LDA N 1
      STR A VAR_B
      STR A DISPLAY
LOOP: LDA A VAR_A
      ADD A VAR_B
      STR A VAR_C
      STR A DISPLAY
      LDA A VAR_B
      STR A VAR_A
      LDA A VAR_C
      STR A VAR_B
      SUB N 10000
      JLZ N LOOP
      JMP N INIT


Compiled:

6 1 0
7 0 1
7 0 1000
6 1 1
7 0 2
7 0 1000
6 0 1
8 0 2
7 0 3
7 0 1000
6 0 2
7 0 1
6 0 3
7 0 2
9 1 10000
4 1 6
2 1 0