| Routines

34A5: THE 'IN' FUNCTION (offset +2C)

The address of this routine is found in the table of addresses. It is called indirectly via fp_calc_2. This subroutine handles the function IN X. It inputs at processor level from port X, loading BC with X and performing the instruction 'IN A,(C)'.
f_in | 34A5 | CALL FIND_INT2 | The 'last value', X, is compressed into BC.
| 34A8 | IN A,(C) | The signal is received.
| 34AA | JR IN_PK_STK | Jump to stack the result.