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Diffstat (limited to 'src/devices/bus/vsmile/vsmile_slot.h')
-rw-r--r--src/devices/bus/vsmile/vsmile_slot.h128
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diff --git a/src/devices/bus/vsmile/vsmile_slot.h b/src/devices/bus/vsmile/vsmile_slot.h
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+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+#ifndef MAME_BUS_VSMILE_VSMILE_SLOT_H
+#define MAME_BUS_VSMILE_VSMILE_SLOT_H
+
+#pragma once
+
+#include "softlist_dev.h"
+
+
+/***************************************************************************
+ TYPE DEFINITIONS
+ ***************************************************************************/
+
+#define VSMILE_SLOT_ROM_REGION_TAG ":cart:rom"
+
+enum
+{
+ VSMILE_STD = 0,
+ VSMILE_NVRAM
+};
+
+// ======================> device_vsmile_cart_interface
+
+class device_vsmile_cart_interface : public device_slot_card_interface
+{
+public:
+ // construction/destruction
+ virtual ~device_vsmile_cart_interface();
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(bank0_r) { return 0; }
+ virtual DECLARE_READ16_MEMBER(bank1_r) { return 0; }
+ virtual DECLARE_READ16_MEMBER(bank2_r) { return 0; }
+ virtual DECLARE_READ16_MEMBER(bank3_r) { return 0; }
+ virtual DECLARE_WRITE16_MEMBER(bank0_w) { }
+ virtual DECLARE_WRITE16_MEMBER(bank1_w) { }
+ virtual DECLARE_WRITE16_MEMBER(bank2_w) { }
+ virtual DECLARE_WRITE16_MEMBER(bank3_w) { }
+
+ // banking
+ virtual void set_cs2(bool cs2) = 0;
+
+ void rom_alloc(uint32_t size, const char *tag);
+ void nvram_alloc(uint32_t size);
+ uint16_t* get_rom_base() { return m_rom; }
+ uint16_t* get_nvram_base() { return &m_nvram[0]; }
+ uint32_t get_rom_size() { return m_rom_size; }
+ uint32_t get_nvram_size() { return m_nvram.size() * sizeof(uint16_t); }
+ void set_rom_size(uint32_t val) { m_rom_size = val; }
+
+ void save_nvram() { device().save_item(NAME(m_nvram)); }
+
+protected:
+ device_vsmile_cart_interface(const machine_config &mconfig, device_t &device);
+
+ // internal state
+ uint16_t *m_rom; // this points to the cart rom region
+ uint32_t m_rom_size; // this is the actual game size, not the rom region size!
+ std::vector<uint16_t> m_nvram;
+};
+
+
+// ======================> vsmile_cart_slot_device
+
+class vsmile_cart_slot_device : public device_t,
+ public device_image_interface,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ template <typename T>
+ vsmile_cart_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt)
+ : vsmile_cart_slot_device(mconfig, tag, owner, (uint32_t)0)
+ {
+ option_reset();
+ opts(*this);
+ set_default_option(dflt);
+ set_fixed(false);
+ }
+ vsmile_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ virtual ~vsmile_cart_slot_device();
+
+ // device-level overrides
+ virtual void device_start() override;
+
+ // image-level overrides
+ virtual image_init_result call_load() override;
+ virtual void call_unload() override;
+ virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); }
+
+ void save_nvram() { if (m_cart && m_cart->get_nvram_size()) m_cart->save_nvram(); }
+ uint32_t get_rom_size() { if (m_cart) return m_cart->get_rom_size(); return 0; }
+
+ virtual iodevice_t image_type() const override { return IO_CARTSLOT; }
+ virtual bool is_readable() const override { return 1; }
+ virtual bool is_writeable() const override { return 0; }
+ virtual bool is_creatable() const override { return 0; }
+ virtual bool must_be_loaded() const override { return 0; }
+ virtual bool is_reset_on_load() const override { return 1; }
+ virtual const char *image_interface() const override { return "vsmile_cart"; }
+ virtual const char *file_extensions() const override { return "u1,u3,bin"; }
+
+ // slot interface overrides
+ virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(bank0_r);
+ virtual DECLARE_READ16_MEMBER(bank1_r);
+ virtual DECLARE_READ16_MEMBER(bank2_r);
+ virtual DECLARE_READ16_MEMBER(bank3_r);
+ virtual DECLARE_WRITE16_MEMBER(bank0_w);
+ virtual DECLARE_WRITE16_MEMBER(bank1_w);
+ virtual DECLARE_WRITE16_MEMBER(bank2_w);
+ virtual DECLARE_WRITE16_MEMBER(bank3_w);
+
+ // banking
+ void set_cs2(bool cs2);
+
+protected:
+ int m_type;
+ device_vsmile_cart_interface* m_cart;
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(VSMILE_CART_SLOT, vsmile_cart_slot_device)
+
+#endif // MAME_BUS_VSMILE_VSMILE_SLOT_H