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#ifndef __MIE_H__
#define __MIE_H__
#include "cpu/z80/z80.h"
#include "machine/eeprom.h"
#include "machine/jvshost.h"
#include "machine/mapledev.h"
#define MCFG_MIE_ADD(_tag, _clock, _host_tag, _host_port, g0, g1, g2, g3, g4, g5, g6, g7) \
MCFG_MAPLE_DEVICE_ADD(_tag "_maple", MIE, _clock, _host_tag, _host_port) \
mie_device::static_set_gpio_name(*device, 0, g0); \
mie_device::static_set_gpio_name(*device, 1, g1); \
mie_device::static_set_gpio_name(*device, 2, g2); \
mie_device::static_set_gpio_name(*device, 3, g3); \
mie_device::static_set_gpio_name(*device, 4, g4); \
mie_device::static_set_gpio_name(*device, 5, g5); \
mie_device::static_set_gpio_name(*device, 6, g6); \
mie_device::static_set_gpio_name(*device, 7, g7); \
mie_device::static_set_jvs_name(*device, _tag); \
MCFG_DEVICE_ADD(_tag, MIE_JVS, _clock)
class mie_jvs_device;
// ======================> mie_device
class mie_device : public maple_device
{
public:
mie_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
static void static_set_gpio_name(device_t &device, int entry, const char *name);
static void static_set_jvs_name(device_t &device, const char *name);
// optional information overrides
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
DECLARE_READ8_MEMBER(control_r);
DECLARE_WRITE8_MEMBER(control_w);
DECLARE_READ8_MEMBER(lreg_r);
DECLARE_WRITE8_MEMBER(lreg_w);
DECLARE_READ8_MEMBER(tbuf_r);
DECLARE_WRITE8_MEMBER(tbuf_w);
DECLARE_READ8_MEMBER(gpio_r);
DECLARE_WRITE8_MEMBER(gpio_w);
DECLARE_READ8_MEMBER(gpiodir_r);
DECLARE_WRITE8_MEMBER(gpiodir_w);
DECLARE_READ8_MEMBER(adc_r);
DECLARE_WRITE8_MEMBER(adc_w);
DECLARE_READ8_MEMBER(irq_enable_r);
DECLARE_WRITE8_MEMBER(irq_enable_w);
DECLARE_READ8_MEMBER(maple_irqlevel_r);
DECLARE_WRITE8_MEMBER(maple_irqlevel_w);
DECLARE_READ8_MEMBER(irq_pending_r);
DECLARE_WRITE8_MEMBER(irq_pending_w);
DECLARE_READ8_MEMBER(jvs_r);
DECLARE_WRITE8_MEMBER(jvs_w);
DECLARE_WRITE8_MEMBER(jvs_dest_w);
DECLARE_READ8_MEMBER(jvs_status_r);
DECLARE_WRITE8_MEMBER(jvs_control_w);
DECLARE_READ8_MEMBER(jvs_sense_r);
DECLARE_READ8_MEMBER(read_ff);
DECLARE_READ8_MEMBER(read_00);
DECLARE_READ8_MEMBER(read_78xx);
static IRQ_CALLBACK(irq_callback_1);
void maple_w(const UINT32 *data, UINT32 in_size);
protected:
const char *gpio_name[8];
const char *jvs_name;
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
private:
enum { TBUF_SIZE = 8 };
enum {
CTRL_TXB = 0x000001, // Start transmit
CTRL_CTXB = 0x000002, // Continue transmit flag (when doing multipart)
CTRL_ENDP = 0x000004, // Add an end pattern
CTRL_EMP = 0x000100, // Empty flag
CTRL_PERR = 0x000200, // Parity error
CTRL_BFOV = 0x000800, // Set when overflow, cleared to 0 when starting send/recieve
CTRL_RXB = 0x001000, // Recieving
CTRL_RFB = 0x002000, // Recieve done
CTRL_TFB = 0x004000, // Transmit done
CTRL_HRES = 0x008000 // Reset pattern recieved
};
// internal state
z80_device *cpu;
emu_timer *timer;
mie_jvs_device *jvs;
UINT32 tbuf[TBUF_SIZE];
UINT32 control, lreg, jvs_rpos;
UINT8 gpiodir, gpio_val[8];
UINT8 irq_enable, irq_pending, maple_irqlevel;
UINT8 jvs_control, jvs_dest;
void raise_irq(int level);
void recalc_irq();
int irq_callback();
};
// Trampoline class, required for device discovery
class mie_jvs_device : public jvs_host
{
public:
friend class mie_device;
// construction/destruction
mie_jvs_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
// device type definition
extern const device_type MIE, MIE_JVS;
#endif /* __MIE_H__ */
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