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Diffstat (limited to 'src/devices/bus/msx/slot/cartridge.h')
-rw-r--r--src/devices/bus/msx/slot/cartridge.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/src/devices/bus/msx/slot/cartridge.h b/src/devices/bus/msx/slot/cartridge.h
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+++ b/src/devices/bus/msx/slot/cartridge.h
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+// license:BSD-3-Clause
+// copyright-holders:Wilbert Pol
+/***************************************************************************
+
+ MSX cartridge slot
+
+ Cartridge edge connector (double-sided):
+ /CS2 - 2 1 - /CS1
+ /SLTSL - 4 3 - /CS12
+ /RFSH - 6 5 - reserved
+ /INT - 8 7 - /WAIT
+ /BUSDIR - 10 9 - /M1
+ /MREQ - 12 11 - /IORQ
+ /RD - 14 13 - /WR
+reserved - 16 15 - /RESET
+ A15 - 18 17 - A9
+ A10 - 20 19 - A11
+ A6 - 22 21 - A7
+ A8 - 24 23 - A12
+ A13 - 26 25 - A14
+ A0 - 28 27 - A1
+ A2 - 30 29 - A3
+ A4 - 32 31 - A5
+ D0 - 34 33 - D1
+ D2 - 36 35 - D3
+ D4 - 38 37 - D5
+ D6 - 40 39 - D7
+ CLOCK - 42 41 - GND
+ SW1 - 44 43 - GND
+ SW2 - 46 45 - +5V
+ +12V - 48 47 - +5V
+ -12V - 50 49 - SOUNDIN
+
+ ***************************************************************************/
+#ifndef MAME_BUS_MSX_SLOT_CARTRIDGE_H
+#define MAME_BUS_MSX_SLOT_CARTRIDGE_H
+
+#pragma once
+
+#include "slot.h"
+#include "imagedev/cartrom.h"
+
+
+class msx_cart_interface;
+
+class msx_slot_cartridge_base_device : public device_t
+ , public device_cartrom_image_interface
+ , public device_slot_interface
+ , public device_mixer_interface
+ , public msx_internal_slot_interface
+{
+public:
+ auto irq_handler() { return m_irq_handler.bind(); }
+
+ virtual std::pair<std::error_condition, std::string> call_load() override;
+ virtual void call_unload() override;
+ virtual bool is_reset_on_load() const noexcept override { return true; }
+ virtual const char *image_interface() const noexcept override { return "msx_cart"; }
+ virtual const char *file_extensions() const noexcept override { return "mx1,bin,rom"; }
+
+ virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override = 0;
+
+ void irq_out(int state);
+
+protected:
+ msx_slot_cartridge_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
+
+ virtual void device_resolve_objects() override;
+ virtual void device_start() override;
+
+ devcb_write_line m_irq_handler;
+ msx_cart_interface *m_cartridge;
+};
+
+
+
+class msx_cart_interface : public device_interface
+{
+ friend class msx_slot_cartridge_base_device;
+
+public:
+ // This is called after loading cartridge contents and allows the cartridge
+ // implementation to perform some additional initialization based on the
+ // cartridge contents.
+ virtual std::error_condition initialize_cartridge(std::string &message) { return std::error_condition(); }
+ virtual void interface_pre_start() override { assert(m_exp != nullptr); }
+
+ void set_views(memory_view::memory_view_entry *page0, memory_view::memory_view_entry *page1, memory_view::memory_view_entry *page2, memory_view::memory_view_entry *page3);
+
+protected:
+ msx_cart_interface(const machine_config &mconfig, device_t &device);
+
+ memory_region *cart_rom_region() { return m_exp ? m_exp->memregion("rom") : nullptr; }
+ memory_region *cart_vlm5030_region() { return m_exp ? m_exp->memregion("vlm5030") : nullptr; }
+ memory_region *cart_kanji_region() { return m_exp ? m_exp->memregion("kanji") : nullptr; }
+ memory_region *cart_ram_region() { return m_exp ? m_exp->memregion("ram") : nullptr; }
+ memory_region *cart_sram_region() { return m_exp ? m_exp->memregion("sram") : nullptr; }
+ const char *get_feature(std::string_view feature_name) { return m_exp ? m_exp->get_feature(feature_name) : nullptr; }
+ bool is_loaded_through_softlist() { return m_exp ? m_exp->loaded_through_softlist() : false; }
+ void irq_out(int state);
+ msx_slot_cartridge_base_device *parent_slot() const { return m_exp; }
+ address_space &memory_space() const;
+ address_space &io_space() const;
+ cpu_device &maincpu() const;
+ device_mixer_interface &soundin() const;
+ memory_view::memory_view_entry *page(int i) { return m_page[i]; }
+
+private:
+ msx_slot_cartridge_base_device *m_exp;
+ memory_view::memory_view_entry *m_page[4];
+};
+
+#endif // MAME_BUS_MSX_SLOT_CARTRIDGE_H