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// license:BSD-3-Clause
#ifndef ISBC_215G_H_
#define ISBC_215G_H_
#include "emu.h"
#include "cpu/i8089/i8089.h"
#include "bus/isbx/isbx.h"
#include "imagedev/harddriv.h"
class isbc_215g_device : public device_t
{
public:
isbc_215g_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual machine_config_constructor device_mconfig_additions() const;
const rom_entry *device_rom_region() const;
DECLARE_WRITE8_MEMBER(write);
DECLARE_READ16_MEMBER(io_r);
DECLARE_WRITE16_MEMBER(io_w);
DECLARE_READ16_MEMBER(mem_r);
DECLARE_WRITE16_MEMBER(mem_w);
DECLARE_WRITE_LINE_MEMBER(isbx_irq_00_w);
DECLARE_WRITE_LINE_MEMBER(isbx_irq_01_w);
DECLARE_WRITE_LINE_MEMBER(isbx_irq_10_w);
DECLARE_WRITE_LINE_MEMBER(isbx_irq_11_w);
static void static_set_wakeup_addr(device_t &device, UINT32 wakeup) { downcast<isbc_215g_device &>(device).m_wakeup = wakeup; }
static void static_set_maincpu_tag(device_t &device, const char *maincpu_tag) { downcast<isbc_215g_device &>(device).m_maincpu_tag = maincpu_tag; }
template<class _Object> static devcb2_base &static_set_irq_callback(device_t &device, _Object object) { return downcast<isbc_215g_device &>(device).m_out_irq_func.set_callback(object); }
protected:
virtual void device_start();
virtual void device_reset();
private:
void find_sector();
UINT16 read_sector();
bool write_sector(UINT16 data);
required_device<i8089_device> m_dmac;
required_device<harddisk_image_device> m_hdd0;
required_device<harddisk_image_device> m_hdd1;
required_device<isbx_slot_device> m_sbx1;
required_device<isbx_slot_device> m_sbx2;
devcb2_write_line m_out_irq_func;
int m_reset;
UINT16 m_wakeup, m_secoffset, m_sector[512];
const char *m_maincpu_tag;
address_space *m_maincpu_mem;
UINT32 m_lba[2];
UINT16 m_cyl[2];
UINT8 m_idcompare[4], m_drive, m_head, m_index;
INT8 m_format_bytes;
bool m_idfound, m_stepdir, m_wrgate, m_rdgate, m_amsrch;
bool m_isbx_irq[4], m_fdctc, m_step, m_format;
const struct hard_disk_info* m_geom[2];
};
#define MCFG_ISBC_215_ADD(_tag, _wakeup, _maincpu_tag) \
MCFG_DEVICE_ADD(_tag, ISBC_215G, 0) \
isbc_215g_device::static_set_wakeup_addr(*device, _wakeup); \
isbc_215g_device::static_set_maincpu_tag(*device, _maincpu_tag);
#define MCFG_ISBC_215_IRQ(_irq_line) \
devcb = &isbc_215g_device::static_set_irq_callback(*device, DEVCB2_##_irq_line);
extern const device_type ISBC_215G;
#endif /* ISBC_215G_H_ */
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