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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#ifndef MAME_MACHINE_NEXTMO_H
#define MAME_MACHINE_NEXTMO_H
#pragma once
class nextmo_device : public device_t
{
public:
nextmo_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
auto irq_wr_callback() { return irq_cb.bind(); }
auto drq_wr_callback() { return drq_cb.bind(); }
void map(address_map &map);
uint8_t r4_r();
void r4_w(uint8_t data);
uint8_t r5_r();
void r5_w(uint8_t data);
uint8_t r6_r();
void r6_w(uint8_t data);
uint8_t r7_r();
void r7_w(uint8_t data);
uint8_t r8_r();
void r8_w(uint8_t data);
uint8_t r9_r();
void r9_w(uint8_t data);
uint8_t ra_r();
void ra_w(uint8_t data);
uint8_t rb_r();
void rb_w(uint8_t data);
uint8_t r10_r(offs_t offset);
void r10_w(offs_t offset, uint8_t data);
uint8_t dma_r();
void dma_w(uint8_t data);
protected:
virtual void device_start() override;
virtual void device_reset() override;
private:
uint8_t sector[0x510];
uint8_t r4, r5, r6, r7;
devcb_write_line irq_cb, drq_cb;
int sector_pos;
void check_dma_end();
void check_ecc();
void compute_ecc();
};
DECLARE_DEVICE_TYPE(NEXTMO, nextmo_device)
#endif // MAME_MACHINE_NEXTMO_H
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