| Routines

0A5F: 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 +00 (for TAB 0) or +10 (for TAB 16).
PO_COMMA | 0A5F | CALL PO_FETCH | Why again?
| 0A62 | LD A,C | Current column number.
| 0A63 | DEC A | Move rightwards by two columns and then test.
| 0A64 | DEC A
| 0A65 | AND $10 | The A register will be +00 or +10.
| 0A67 | JR PO_FILL | Exit via PO_FILL.