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Diffstat (limited to 'src/devices/bus/epson_qx/multifont.h')
-rw-r--r-- | src/devices/bus/epson_qx/multifont.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/devices/bus/epson_qx/multifont.h b/src/devices/bus/epson_qx/multifont.h new file mode 100644 index 00000000000..85cd6739286 --- /dev/null +++ b/src/devices/bus/epson_qx/multifont.h @@ -0,0 +1,87 @@ +// license:BSD-3-Clause +// copyright-holders:Brian Johnson +/******************************************************************* + * + * Q10MF Multifont card + * + *******************************************************************/ + +#ifndef MAME_BUS_EPSON_QX_MULTIFONT_H +#define MAME_BUS_EPSON_QX_MULTIFONT_H + +#pragma once + +#include "bus/epson_qx/option.h" +#include "cpu/mcs48/mcs48.h" +#include "machine/i8243.h" + +namespace bus::epson_qx { + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +/* Epson QX-10 Multifont Device */ + +class multifont_device : public device_t, public bus::epson_qx::device_option_expansion_interface +{ +public: + // construction/destruction + multifont_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + + // optional information overrides + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_add_mconfig(machine_config &config) override; + virtual ioport_constructor device_input_ports() const override; + + uint8_t read(offs_t offset); + void write(offs_t offset, uint8_t data); + + void rom_map(address_map &map); + void map(address_map &map); + + void p1_w(uint8_t data); + void p2_w(uint8_t data); + template<int Shift> void rom_addr_w(uint8_t data); + void rom_select_w(uint8_t data); + uint8_t t0_r(); + uint8_t t1_r(); + + void write_bus(uint8_t data); + uint8_t read_bus(); +private: + void update_bank_select(); + + required_device<i8039_device> m_mcu; + required_device<i8243_device> m_i8243; + required_memory_region_array<8> m_fonts; + required_ioport m_ioport; + + uint8_t m_status; + + uint8_t m_data_out; + uint8_t m_data_in; + uint8_t m_p1; + uint8_t m_p2; + uint8_t m_rom_sel; + uint16_t m_address; + uint8_t m_rom_bank; + + bool m_bus_reset; + bool m_hard_reset; +}; + +} // namespace bus::epson_qx + +// device type definition +DECLARE_DEVICE_TYPE_NS(EPSON_QX_OPTION_MULTIFONT, bus::epson_qx, multifont_device) + + +#endif // MAME_BUS_EPSON_QX_MULTIFONT_H + + |