mirror of
https://github.com/holub/mame
synced 2025-10-05 00:38:58 +03:00
115db95642
- strprintf is unaltered, but strformat now takes one fewer argument - state_string_export still fills a buffer, but has been made const - get_default_card_software now takes no arguments but returns a string
163 lines
4.5 KiB
C++
Executable File
163 lines
4.5 KiB
C++
Executable File
// license:BSD-3-Clause
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// copyright-holders:Fabio Priuli
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#ifndef __VCS_SLOT_H
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#define __VCS_SLOT_H
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/***************************************************************************
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TYPE DEFINITIONS
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***************************************************************************/
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/* PCB */
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enum
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{
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A26_2K = 0,
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A26_4K,
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A26_F4,
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A26_F6,
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A26_F8,
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A26_F8SW,
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A26_FA,
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A26_FE,
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A26_3E, // to test
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A26_3F,
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A26_E0,
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A26_E7,
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A26_UA,
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A26_DC,
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A26_CV,
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A26_FV,
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A26_JVP, // to test
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A26_32IN1,
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A26_8IN1,
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A26_4IN1,
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A26_DPC,
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A26_SS,
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A26_CM,
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A26_X07,
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A26_HARMONY,
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};
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// ======================> device_vcs_cart_interface
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class device_vcs_cart_interface : public device_slot_card_interface
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{
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public:
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// construction/destruction
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device_vcs_cart_interface(const machine_config &mconfig, device_t &device);
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virtual ~device_vcs_cart_interface();
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// reading from ROM
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virtual DECLARE_READ8_MEMBER(read_rom) { return 0xff; }
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// writing to RAM chips (sometimes it is in a different range than write_bank!)
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virtual DECLARE_WRITE8_MEMBER(write_ram) {}
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// read/write to bankswitch address
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virtual DECLARE_READ8_MEMBER(read_bank) { return 0xff; }
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virtual DECLARE_WRITE8_MEMBER(write_bank) {}
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// direct update handler
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virtual DECLARE_DIRECT_UPDATE_MEMBER(cart_opbase) { return address; }
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virtual void setup_addon_ptr(UINT8 *ptr) {}
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void rom_alloc(UINT32 size, const char *tag);
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void ram_alloc(UINT32 size);
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UINT8* get_rom_base() { return m_rom; }
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UINT8* get_ram_base() { return &m_ram[0]; }
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UINT32 get_rom_size() { return m_rom_size; }
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UINT32 get_ram_size() { return m_ram.size(); }
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protected:
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// internal state
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UINT8 *m_rom;
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UINT32 m_rom_size;
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dynamic_buffer m_ram;
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};
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// ======================> vcs_cart_slot_device
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class vcs_cart_slot_device : public device_t,
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public device_image_interface,
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public device_slot_interface
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{
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public:
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// construction/destruction
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vcs_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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virtual ~vcs_cart_slot_device();
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// device-level overrides
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virtual void device_start() override;
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virtual void device_config_complete() override;
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// image-level overrides
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virtual bool call_load() override;
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virtual void call_unload() override;
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virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry) override;
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int get_cart_type() { return m_type; };
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int identify_cart_type(UINT8 *ROM, UINT32 len);
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virtual iodevice_t image_type() const override { return IO_CARTSLOT; }
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virtual bool is_readable() const override { return 1; }
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virtual bool is_writeable() const override { return 0; }
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virtual bool is_creatable() const override { return 0; }
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virtual bool must_be_loaded() const override { return 1; }
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virtual bool is_reset_on_load() const override { return 1; }
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virtual const option_guide *create_option_guide() const override { return nullptr; }
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virtual const char *image_interface() const override { return "a2600_cart"; }
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virtual const char *file_extensions() const override { return "bin,a26"; }
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// slot interface overrides
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virtual std::string get_default_card_software() override;
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// reading and writing
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virtual DECLARE_READ8_MEMBER(read_rom);
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virtual DECLARE_READ8_MEMBER(read_bank);
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virtual DECLARE_WRITE8_MEMBER(write_bank);
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virtual DECLARE_WRITE8_MEMBER(write_ram);
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virtual DECLARE_DIRECT_UPDATE_MEMBER(cart_opbase);
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private:
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device_vcs_cart_interface* m_cart;
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int m_type;
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int detect_snowhite(UINT8 *cart, UINT32 len);
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int detect_modeDC(UINT8 *cart, UINT32 len);
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int detect_modeF6(UINT8 *cart, UINT32 len);
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int detect_mode3E(UINT8 *cart, UINT32 len);
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int detect_modeSS(UINT8 *cart, UINT32 len);
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int detect_modeFE(UINT8 *cart, UINT32 len);
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int detect_modeE0(UINT8 *cart, UINT32 len);
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int detect_modeCV(UINT8 *cart, UINT32 len);
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int detect_modeFV(UINT8 *cart, UINT32 len);
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int detect_modeJVP(UINT8 *cart, UINT32 len);
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int detect_modeE7(UINT8 *cart, UINT32 len);
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int detect_modeUA(UINT8 *cart, UINT32 len);
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int detect_8K_mode3F(UINT8 *cart, UINT32 len);
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int detect_32K_mode3F(UINT8 *cart, UINT32 len);
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int detect_super_chip(UINT8 *cart, UINT32 len);
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};
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// device type definition
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extern const device_type VCS_CART_SLOT;
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/***************************************************************************
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DEVICE CONFIGURATION MACROS
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***************************************************************************/
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#define A26SLOT_ROM_REGION_TAG ":cart:rom"
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#define MCFG_VCS_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot) \
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MCFG_DEVICE_ADD(_tag, VCS_CART_SLOT, 0) \
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MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
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#endif
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