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Diffstat (limited to 'src/mess/machine/c64/geocable.c')
-rw-r--r-- | src/mess/machine/c64/geocable.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/mess/machine/c64/geocable.c b/src/mess/machine/c64/geocable.c new file mode 100644 index 00000000000..19ac039274f --- /dev/null +++ b/src/mess/machine/c64/geocable.c @@ -0,0 +1,109 @@ +/********************************************************************** + + geoCable Centronics Cable emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#include "geocable.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define CENTRONICS_TAG "centronics" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type C64_GEOCABLE = &device_creator<c64_geocable_device>; + + +//------------------------------------------------- +// centronics_interface centronics_intf +//------------------------------------------------- + +WRITE_LINE_MEMBER( c64_geocable_device::busy_w ) +{ + m_slot->cia_flag2_w(state); +} + +static const centronics_interface centronics_intf = +{ + DEVCB_NULL, + DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF, c64_geocable_device, busy_w), + DEVCB_NULL +}; + + +//------------------------------------------------- +// MACHINE_CONFIG_FRAGMENT( c64_geocable ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( c64_geocable ) + MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, centronics_intf) +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor c64_geocable_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( c64_geocable ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// c64_geocable_device - constructor +//------------------------------------------------- + +c64_geocable_device::c64_geocable_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, C64_GEOCABLE, "C64 geoCable", tag, owner, clock, "c64_geocable", __FILE__), + device_c64_user_port_interface(mconfig, *this), + m_centronics(*this, CENTRONICS_TAG) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void c64_geocable_device::device_start() +{ +} + + +//------------------------------------------------- +// c64_pb_w - port B write +//------------------------------------------------- + +void c64_geocable_device::c64_pb_w(address_space &space, offs_t offset, UINT8 data) +{ + m_centronics->write(space, 0, data); +} + + +//------------------------------------------------- +// c64_pb_w - port B write +//------------------------------------------------- + +void c64_geocable_device::c64_pa2_w(int level) +{ + m_centronics->strobe_w(level); +} |