// license:BSD-3-Clause
// copyright-holders:Carl
#ifndef MAME_MACHINE_ISBC_215G_H
#define MAME_MACHINE_ISBC_215G_H
#pragma once
#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_t clock);
DECLARE_WRITE8_MEMBER(write);
DECLARE_READ16_MEMBER(io_r);
DECLARE_WRITE16_MEMBER(io_w);
DECLARE_READ16_MEMBER(mem_r);
DECLARE_WRITE16_MEMBER(mem_w);
void set_wakeup_addr(uint32_t wakeup) { m_wakeup = wakeup; }
void set_maincpu_tag(const char *maincpu_tag) { m_maincpu_tag = maincpu_tag; }
template <class Object> devcb_base &set_irq_callback(Object &&cb) { return m_out_irq_func.set_callback(std::forward<Object>(cb)); }
void isbc_215g_io(address_map &map);
void isbc_215g_mem(address_map &map);
protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
const tiny_rom_entry *device_rom_region() const override;
private:
void find_sector();
uint16_t read_sector();
bool write_sector(uint16_t 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;
devcb_write_line m_out_irq_func;
int m_reset;
uint16_t m_wakeup, m_secoffset, m_sector[512];
const char *m_maincpu_tag;
address_space *m_maincpu_mem;
uint32_t m_lba[2];
uint16_t m_cyl[2];
uint8_t m_idcompare[4], m_drive, m_head, m_index;
int8_t 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];
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);
};
#define MCFG_ISBC_215_ADD(_tag, _wakeup, _maincpu_tag) \
MCFG_DEVICE_ADD(_tag, ISBC_215G, 0) \
downcast<isbc_215g_device &>(*device).set_wakeup_addr(_wakeup); \
downcast<isbc_215g_device &>(*device).set_maincpu_tag(_maincpu_tag);
#define MCFG_ISBC_215_IRQ(_irq_line) \
devcb = &downcast<isbc_215g_device &>(*device).set_irq_callback(DEVCB_##_irq_line);
DECLARE_DEVICE_TYPE(ISBC_215G, isbc_215g_device)
#endif // MAME_MACHINE_ISBC_215G_H