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Diffstat (limited to 'src/devices/bus/dmv/k230.h')
-rw-r--r-- | src/devices/bus/dmv/k230.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/devices/bus/dmv/k230.h b/src/devices/bus/dmv/k230.h new file mode 100644 index 00000000000..6c658f2d2c3 --- /dev/null +++ b/src/devices/bus/dmv/k230.h @@ -0,0 +1,146 @@ +// license:BSD-3-Clause +// copyright-holders:Sandro Ronco +#pragma once + +#ifndef __DMV_K230_H__ +#define __DMV_K230_H__ + +#include "emu.h" +#include "dmvbus.h" +#include "cpu/i86/i86.h" + +// K234 +#include "cpu/m68000/m68000.h" + +// K235 +#include "cpu/nec/nec.h" +#include "machine/pic8259.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> dmv_k230_device + +class dmv_k230_device : + public device_t, + public device_dmvslot_interface +{ +public: + // construction/destruction + dmv_k230_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + dmv_k230_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() const; + + DECLARE_READ8_MEMBER(io_r); + DECLARE_READ8_MEMBER(program_r); + DECLARE_WRITE8_MEMBER(io_w); + DECLARE_WRITE8_MEMBER(program_w); + DECLARE_READ8_MEMBER(rom_r); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // dmvcart_interface overrides + virtual void hold_w(int state); + virtual void switch16_w(int state); + virtual bool av16bit(); + +protected: + required_device<cpu_device> m_maincpu; + optional_memory_region m_rom; + dmvcart_slot_device * m_bus; + address_space * m_io; + int m_switch16; + int m_hold; +}; + + +// ======================> dmv_k231_device + +class dmv_k231_device : + public dmv_k230_device +{ +public: + // construction/destruction + dmv_k231_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual const rom_entry *device_rom_region() const; +}; + + +// ======================> dmv_k234_device + +class dmv_k234_device : + public dmv_k230_device +{ +public: + // construction/destruction + dmv_k234_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + DECLARE_READ8_MEMBER(snr_r); + DECLARE_WRITE8_MEMBER(snr_w); + +protected: + // optional information overrides + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() const; + + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // dmvcart_interface overrides + virtual void hold_w(int state); + virtual void switch16_w(int state); + +private: + int m_snr; +}; + + +// ======================> dmv_k235_device + +class dmv_k235_device : + public dmv_k230_device +{ +public: + // construction/destruction + dmv_k235_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + +protected: + // optional information overrides + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() const; + virtual ioport_constructor device_input_ports() const; + + void timint_w(int state) { m_pic->ir0_w(state); } + void keyint_w(int state) { m_pic->ir1_w(state); } + void busint_w(int state) { m_pic->ir2_w(state); } + void flexint_w(int state) { m_pic->ir6_w(state); } + void irq2a_w(int state) { if (!(m_dsw->read() & 0x02)) m_pic->ir5_w(state); } + void irq2_w(int state) { if ( (m_dsw->read() & 0x02)) m_pic->ir5_w(state); } + void irq3_w(int state) { m_pic->ir3_w(state); } + void irq4_w(int state) { m_pic->ir4_w(state); } + void irq5_w(int state) { if (!(m_dsw->read() & 0x01)) m_pic->ir7_w(state); } + void irq6_w(int state) { if ( (m_dsw->read() & 0x01)) m_pic->ir7_w(state); } + +private: + required_device<pic8259_device> m_pic; + required_ioport m_dsw; +}; + +// device type definition +extern const device_type DMV_K230; +extern const device_type DMV_K231; +extern const device_type DMV_K234; +extern const device_type DMV_K235; + +#endif /* __DMV_K230_H__ */ |