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Diffstat (limited to 'src/devices/bus/a2bus/timemasterho.h')
-rw-r--r-- | src/devices/bus/a2bus/timemasterho.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/timemasterho.h b/src/devices/bus/a2bus/timemasterho.h new file mode 100644 index 00000000000..cf26d3cded8 --- /dev/null +++ b/src/devices/bus/a2bus/timemasterho.h @@ -0,0 +1,67 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +/********************************************************************* + + timemasterho.h + + Implemention of the Applied Engineering TimeMaster H.O. + +*********************************************************************/ + +#ifndef __A2BUS_TIMEMASTERHO__ +#define __A2BUS_TIMEMASTERHO__ + +#include "emu.h" +#include "a2bus.h" +#include "machine/6821pia.h" +#include "machine/msm5832.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class a2bus_timemasterho_device: + public device_t, + public device_a2bus_card_interface +{ +public: + // construction/destruction + a2bus_timemasterho_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); + a2bus_timemasterho_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + virtual const rom_entry *device_rom_region() const; + virtual ioport_constructor device_input_ports() const; + + DECLARE_WRITE8_MEMBER(pia_out_a); + DECLARE_WRITE8_MEMBER(pia_out_b); + DECLARE_WRITE_LINE_MEMBER(pia_irqa_w); + DECLARE_WRITE_LINE_MEMBER(pia_irqb_w); + +protected: + virtual void device_start(); + virtual void device_reset(); + + // overrides of standard a2bus slot functions + virtual UINT8 read_c0nx(address_space &space, UINT8 offset); + virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data); + virtual UINT8 read_cnxx(address_space &space, UINT8 offset); + virtual UINT8 read_c800(address_space &space, UINT16 offset); + + required_device<pia6821_device> m_pia; + required_device<msm5832_device> m_msm5832; + required_ioport m_dsw1; + +private: + void update_irqs(); + + UINT8 *m_rom; + bool m_irqa, m_irqb; + bool m_started; +}; + +// device type definition +extern const device_type A2BUS_TIMEMASTERHO; + +#endif /* __A2BUS_TIMEMASTERHO__ */ |