| Routines

02655: THE 'PRINT COMMA' SUBROUTINE

The address of this routine is derived from an offset found in the control character table. The current column value is manipulated and the A register set to hold 0 (for TAB 0) or 16 (for TAB 16).
PO_COMMA | 02655 | CALL PO_FETCH | Why again?
| 02658 | LD A,C | Current column number.
| 02659 | DEC A | Move rightwards by two columns and then test.
| 02660 | DEC A
| 02661 | AND 16 | The A register will be 0 or 16.
| 02663 | JR PO_FILL | Exit via PO_FILL.