summaryrefslogtreecommitdiffstatshomepage
path: root/src/mess/machine/a2eauxslot.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/mess/machine/a2eauxslot.h')
-rw-r--r--src/mess/machine/a2eauxslot.h144
1 files changed, 144 insertions, 0 deletions
diff --git a/src/mess/machine/a2eauxslot.h b/src/mess/machine/a2eauxslot.h
new file mode 100644
index 00000000000..8e645c7b352
--- /dev/null
+++ b/src/mess/machine/a2eauxslot.h
@@ -0,0 +1,144 @@
+/***************************************************************************
+
+ a2eauxslot.h - Apple IIe auxiliary slot and card emulation
+
+ by R. Belmont
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __A2EAUXSLOT_H__
+#define __A2EAUXSLOT_H__
+
+#include "emu.h"
+#include "machine/a2bus.h"
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_A2EAUXSLOT_BUS_ADD(_tag, _cputag, _config) \
+ MCFG_DEVICE_ADD(_tag, A2EAUXSLOT, 0) \
+ MCFG_DEVICE_CONFIG(_config) \
+ a2eauxslot_device::static_set_cputag(*device, _cputag); \
+
+#define MCFG_A2EAUXSLOT_SLOT_ADD(_nbtag, _tag, _slot_intf, _def_slot, _def_inp) \
+ MCFG_DEVICE_ADD(_tag, A2EAUXSLOT_SLOT, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
+ a2eauxslot_slot_device::static_set_a2eauxslot_slot(*device, _nbtag, _tag); \
+
+#define MCFG_A2EAUXSLOT_SLOT_REMOVE(_tag) \
+ MCFG_DEVICE_REMOVE(_tag)
+
+#define MCFG_A2EAUXSLOT_BUS_REMOVE(_tag) \
+ MCFG_DEVICE_REMOVE(_tag)
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class a2eauxslot_device;
+
+class a2eauxslot_slot_device : public device_t,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ a2eauxslot_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ a2eauxslot_slot_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start();
+
+ // inline configuration
+ static void static_set_a2eauxslot_slot(device_t &device, const char *tag, const char *slottag);
+protected:
+ // configuration
+ const char *m_a2eauxslot_tag, *m_a2eauxslot_slottag;
+};
+
+// device type definition
+extern const device_type A2EAUXSLOT_SLOT;
+
+// ======================> a2eauxslot_interface
+
+struct a2eauxslot_interface
+{
+ devcb_write_line m_out_irq_cb;
+ devcb_write_line m_out_nmi_cb;
+};
+
+class device_a2eauxslot_card_interface;
+// ======================> a2eauxslot_device
+class a2eauxslot_device : public device_t,
+ public a2eauxslot_interface
+{
+public:
+ // construction/destruction
+ a2eauxslot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ a2eauxslot_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
+ // inline configuration
+ static void static_set_cputag(device_t &device, const char *tag);
+
+ void add_a2eauxslot_card(device_a2eauxslot_card_interface *card);
+ device_a2eauxslot_card_interface *get_a2eauxslot_card(int slot);
+
+ void set_irq_line(int state);
+ void set_nmi_line(int state);
+
+ DECLARE_WRITE_LINE_MEMBER( irq_w );
+ DECLARE_WRITE_LINE_MEMBER( nmi_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete();
+
+ // internal state
+ device_t *m_maincpu;
+
+ devcb_resolved_write_line m_out_irq_func;
+ devcb_resolved_write_line m_out_nmi_func;
+
+ device_a2eauxslot_card_interface *m_device;
+ const char *m_cputag;
+};
+
+
+// device type definition
+extern const device_type A2EAUXSLOT;
+
+// ======================> device_a2eauxslot_card_interface
+
+// class representing interface-specific live a2eauxslot card
+class device_a2eauxslot_card_interface : public device_slot_card_interface
+{
+ friend class a2eauxslot_device;
+public:
+ // construction/destruction
+ device_a2eauxslot_card_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_a2eauxslot_card_interface();
+
+ virtual void write_c07x(address_space &space, UINT8 offset, UINT8 data) { printf("a2eauxslot: unhandled write %02x to C07%x\n", data, offset); }
+
+ device_a2eauxslot_card_interface *next() const { return m_next; }
+
+ void set_a2eauxslot_device();
+
+ void raise_slot_irq() { m_a2eauxslot->set_irq_line(ASSERT_LINE); }
+ void lower_slot_irq() { m_a2eauxslot->set_irq_line(CLEAR_LINE); }
+ void raise_slot_nmi() { m_a2eauxslot->set_nmi_line(ASSERT_LINE); }
+ void lower_slot_nmi() { m_a2eauxslot->set_nmi_line(CLEAR_LINE); }
+
+ // inline configuration
+ static void static_set_a2eauxslot_tag(device_t &device, const char *tag, const char *slottag);
+public:
+ a2eauxslot_device *m_a2eauxslot;
+ const char *m_a2eauxslot_tag, *m_a2eauxslot_slottag;
+ int m_slot;
+ device_a2eauxslot_card_interface *m_next;
+};
+
+#endif /* __A2EAUXSLOT_H__ */