summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/bus/spc1000/fdd.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/emu/bus/spc1000/fdd.h')
-rw-r--r--src/emu/bus/spc1000/fdd.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/emu/bus/spc1000/fdd.h b/src/emu/bus/spc1000/fdd.h
new file mode 100644
index 00000000000..b06dc8fa971
--- /dev/null
+++ b/src/emu/bus/spc1000/fdd.h
@@ -0,0 +1,63 @@
+#ifndef __SPC1000_FDD_H__
+#define __SPC1000_FDD_H__
+
+#include "exp.h"
+#include "cpu/z80/z80.h"
+#include "machine/i8255.h"
+#include "machine/upd765.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> spc1000_fdd_exp_device
+
+class spc1000_fdd_exp_device : public device_t,
+ public device_spc1000_card_interface
+{
+public:
+ // construction/destruction
+ spc1000_fdd_exp_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual const rom_entry *device_rom_region() const;
+
+public:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ virtual DECLARE_READ8_MEMBER(read);
+ virtual DECLARE_WRITE8_MEMBER(write);
+
+ DECLARE_READ8_MEMBER(tc_r);
+ DECLARE_WRITE8_MEMBER(control_w);
+ DECLARE_WRITE8_MEMBER(i8255_b_w);
+ DECLARE_READ8_MEMBER(i8255_c_r);
+ DECLARE_WRITE8_MEMBER(i8255_c_w);
+
+private:
+ // internal state
+ required_device<z80_device> m_cpu;
+ required_device<upd765a_device> m_fdc;
+ required_device<i8255_device> m_pio;
+
+ floppy_image_device *m_fd0;
+ floppy_image_device *m_fd1;
+
+ emu_timer *m_timer_tc;
+
+ UINT8 m_i8255_0_pc;
+ UINT8 m_i8255_1_pc;
+ UINT8 m_i8255_portb;
+
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+ static const device_timer_id TIMER_TC = 0;
+};
+
+
+// device type definition
+extern const device_type SPC1000_FDD_EXP;
+
+#endif /* __SPC1000_FDD_H__ */