summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/a2bus/a2cffa.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/a2bus/a2cffa.h')
-rw-r--r--src/devices/bus/a2bus/a2cffa.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2cffa.h b/src/devices/bus/a2bus/a2cffa.h
new file mode 100644
index 00000000000..a719861efa9
--- /dev/null
+++ b/src/devices/bus/a2bus/a2cffa.h
@@ -0,0 +1,86 @@
+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/*********************************************************************
+
+ a2cffa.h
+
+ Implementation of Rich Dreher's IDE/CompactFlash board for
+ the Apple II
+
+*********************************************************************/
+
+#ifndef __A2BUS_CFFA2__
+#define __A2BUS_CFFA2__
+
+#include "emu.h"
+#include "a2bus.h"
+#include "machine/ataintf.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class a2bus_cffa2000_device:
+ public device_t,
+ public device_a2bus_card_interface
+{
+public:
+ // construction/destruction
+ a2bus_cffa2000_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual const rom_entry *device_rom_region() const;
+
+protected:
+ virtual void device_start();
+ virtual void device_reset();
+
+ // overrides of standard a2bus slot functions
+ virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
+ virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
+ virtual UINT8 read_cnxx(address_space &space, UINT8 offset);
+ virtual UINT8 read_c800(address_space &space, UINT16 offset);
+ virtual void write_c800(address_space &space, UINT16 offset, UINT8 data);
+
+ required_device<ata_interface_device> m_ata;
+
+ UINT8 *m_rom;
+ UINT8 m_eeprom[0x1000];
+
+private:
+ UINT16 m_lastdata, m_lastreaddata;
+ bool m_writeprotect;
+ bool m_inwritecycle;
+};
+
+class a2bus_cffa2_device : public a2bus_cffa2000_device, public device_nvram_interface
+{
+public:
+ a2bus_cffa2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+protected:
+ // device_config_nvram_interface overrides
+ virtual void nvram_default();
+ virtual void nvram_read(emu_file &file);
+ virtual void nvram_write(emu_file &file);
+};
+
+class a2bus_cffa2_6502_device : public a2bus_cffa2000_device, public device_nvram_interface
+{
+public:
+ a2bus_cffa2_6502_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual const rom_entry *device_rom_region() const;
+
+protected:
+ // device_config_nvram_interface overrides
+ virtual void nvram_default();
+ virtual void nvram_read(emu_file &file);
+ virtual void nvram_write(emu_file &file);
+};
+
+// device type definition
+extern const device_type A2BUS_CFFA2;
+extern const device_type A2BUS_CFFA2_6502;
+
+#endif /* __A2BUS_CFFA2__ */