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Diffstat (limited to 'src/devices/bus/ep64/exp.c')
-rw-r--r-- | src/devices/bus/ep64/exp.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/devices/bus/ep64/exp.c b/src/devices/bus/ep64/exp.c new file mode 100644 index 00000000000..55747d8b0ea --- /dev/null +++ b/src/devices/bus/ep64/exp.c @@ -0,0 +1,90 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Enterprise Sixty Four / One Two Eight Expansion Bus emulation + +**********************************************************************/ + +#include "exp.h" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type EP64_EXPANSION_BUS_SLOT = &device_creator<ep64_expansion_bus_slot_device>; + + + +//************************************************************************** +// DEVICE EP64_EXPANSION_BUS CARD INTERFACE +//************************************************************************** + +//------------------------------------------------- +// device_ep64_expansion_bus_card_interface - constructor +//------------------------------------------------- + +device_ep64_expansion_bus_card_interface::device_ep64_expansion_bus_card_interface(const machine_config &mconfig, device_t &device) + : device_slot_card_interface(mconfig, device) +{ + m_slot = dynamic_cast<ep64_expansion_bus_slot_device *>(device.owner()); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// ep64_expansion_bus_slot_device - constructor +//------------------------------------------------- + +ep64_expansion_bus_slot_device::ep64_expansion_bus_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, EP64_EXPANSION_BUS_SLOT, "Enterprise Sixty Four expansion bus slot", tag, owner, clock, "ep64_expansion_bus_slot", __FILE__), + device_slot_interface(mconfig, *this), + m_write_irq(*this), + m_write_nmi(*this), + m_write_wait(*this), + m_dave(*this) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void ep64_expansion_bus_slot_device::device_start() +{ + m_card = dynamic_cast<device_ep64_expansion_bus_card_interface *>(get_card_device()); + + // resolve callbacks + m_write_irq.resolve_safe(); + m_write_nmi.resolve_safe(); + m_write_wait.resolve_safe(); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void ep64_expansion_bus_slot_device::device_reset() +{ + if (m_card) get_card_device()->reset(); +} + + +//------------------------------------------------- +// SLOT_INTERFACE( ep64_expansion_bus_cards ) +//------------------------------------------------- + +// slot devices +#include "exdos.h" + +SLOT_INTERFACE_START( ep64_expansion_bus_cards ) + SLOT_INTERFACE("exdos", EP64_EXDOS) +SLOT_INTERFACE_END |