// Routine to finalize some IEC commands - which do not end in turnaround and are not followed by others // Implemented based on https://www.pagetable.com/?p=1135, https://github.com/mist64/cbmbus_doc #if CONFIG_IEC iec_tx_command_finalize: // Store .X and .Y on the stack - preserve them phx_trash_a phy_trash_a // Give device some time to complete command reception, release ATN, // give it some time again before (possible) next command jsr iec_wait20us jsr iec_set_idle jsr iec_wait20us jmp iec_return_success #endif // CONFIG_IEC