diff options
Diffstat (limited to 'src/devices/bus/pet/diag264_lb_tape.c')
-rw-r--r-- | src/devices/bus/pet/diag264_lb_tape.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/devices/bus/pet/diag264_lb_tape.c b/src/devices/bus/pet/diag264_lb_tape.c new file mode 100644 index 00000000000..0c3bfb87d74 --- /dev/null +++ b/src/devices/bus/pet/diag264_lb_tape.c @@ -0,0 +1,83 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Diag264 Cassette Loop Back Connector emulation + +**********************************************************************/ + +#include "diag264_lb_tape.h" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type DIAG264_CASSETTE_LOOPBACK = &device_creator<diag264_cassette_loopback_device>; + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// diag264_cassette_loopback_device - constructor +//------------------------------------------------- + +diag264_cassette_loopback_device::diag264_cassette_loopback_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, DIAG264_CASSETTE_LOOPBACK, "Diag264 Cassette Loopback", tag, owner, clock, "diag264_loopback_cassette", __FILE__), + device_pet_datassette_port_interface(mconfig, *this), + m_read(1), + m_sense(0) +{ } + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void diag264_cassette_loopback_device::device_start() +{ +} + + +//------------------------------------------------- +// datassette_read - read data +//------------------------------------------------- + +int diag264_cassette_loopback_device::datassette_read() +{ + return m_read; +} + + +//------------------------------------------------- +// datassette_write - write data +//------------------------------------------------- + +void diag264_cassette_loopback_device::datassette_write(int state) +{ + m_read = state; +} + + +//------------------------------------------------- +// datassette_sense - switch sense +//------------------------------------------------- + +int diag264_cassette_loopback_device::datassette_sense() +{ + return m_sense; +} + + +//------------------------------------------------- +// datassette_motor - motor +//------------------------------------------------- + +void diag264_cassette_loopback_device::datassette_motor(int state) +{ + m_sense = !state; +} |