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-rw-r--r--src/devices/bus/epson_qx/multifont.h87
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
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+// 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
+
+