avr/c64tape.c

   1 /*
   2  * Copyright (C) 2007 Anton Blad
   3  * Copyright (C) 2007 Fredrik Kuivinen
   4  * Copyright (C) 2007 Jakob Rosén
   5  *
   6  * This file is licensed under GPL v2.
   7  */
   8
   9 #include "c64tape.h"
  10
  11 void c64tape_init()
  12 {
  13     // Configure MOTOR as input.
  14         DDR_MOTOR &= ~(1 << P_MOTOR);
  15
  16         // Configure C64READ as output.
  17         PORT_C64READ |= (1 << P_C64READ);
  18         DDR_C64READ |= (1 << P_C64READ);
  19
  20 #if HWBOARD==DEVTRUT
  21         // Configure C64WRITE as input.
  22         DDR_C64WRITE &= ~(_BV(P_C64WRITE));
  23
  24         // Configure C64SENSE as output.
  25         PORT_C64SENSE |= (1 << P_C64SENSE);
  26         DDR_C64SENSE |= (1 << P_C64SENSE);
  27
  28         // Configure TAPEREAD as input
  29         DDR_TAPEREAD &= ~(_BV(P_TAPEREAD));
  30         PORT_TAPEREAD &= ~(_BV(P_TAPEREAD));
  31
  32         // Configure TAPEWRITE as output
  33         DDR_TAPEWRITE |= _BV(P_TAPEWRITE);
  34
  35         // Configure TAPESENSE as input.
  36         DDR_TAPESENSE &= ~(_BV(P_TAPESENSE));
  37         //PORT_TAPESENSE |= _BV(P_TAPESENSE);
  38         PORT_TAPESENSE &= ~(_BV(P_TAPESENSE));
  39
  40         // Configure RSIGSEL as output.
  41         DDR_RSIGSEL |= _BV(P_RSIGSEL);
  42         PORT_RSIGSEL |= _BV(P_RSIGSEL);
  43 #endif
  44 }