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Diffstat (limited to 'src/devices/bus/vcs/vcs_slot.h')
-rw-r--r--src/devices/bus/vcs/vcs_slot.h136
1 files changed, 41 insertions, 95 deletions
diff --git a/src/devices/bus/vcs/vcs_slot.h b/src/devices/bus/vcs/vcs_slot.h
index 8766ae31f33..3b014f5c352 100644
--- a/src/devices/bus/vcs/vcs_slot.h
+++ b/src/devices/bus/vcs/vcs_slot.h
@@ -5,86 +5,14 @@
#pragma once
-#include "softlist_dev.h"
+#include "imagedev/cartrom.h"
-/***************************************************************************
- TYPE DEFINITIONS
- ***************************************************************************/
+class device_vcs_cart_interface;
-#define A26SLOT_ROM_REGION_TAG ":cart:rom"
-
-/* PCB */
-enum
-{
- A26_2K = 0,
- A26_4K,
- A26_F4,
- A26_F6,
- A26_F8,
- A26_F8SW,
- A26_FA,
- A26_FE,
- A26_3E, // to test
- A26_3F,
- A26_E0,
- A26_E7,
- A26_UA,
- A26_DC,
- A26_CV,
- A26_FV,
- A26_JVP, // to test
- A26_32IN1,
- A26_8IN1,
- A26_4IN1,
- A26_DPC,
- A26_SS,
- A26_CM,
- A26_X07,
- A26_HARMONY,
-};
-
-
-// ======================> device_vcs_cart_interface
-
-class device_vcs_cart_interface : public device_interface
-{
-public:
- // construction/destruction
- virtual ~device_vcs_cart_interface();
-
- // reading from ROM
- virtual uint8_t read_rom(offs_t offset) { return 0xff; }
- // writing to RAM chips (sometimes it is in a different range than write_bank!)
- virtual void write_ram(offs_t offset, uint8_t data) { }
-
- // read/write to bankswitch address
- virtual uint8_t read_bank(address_space &space, offs_t offset) { return 0xff; }
- virtual void write_bank(address_space &space, offs_t offset, uint8_t data) { }
-
- virtual void setup_addon_ptr(uint8_t *ptr) { }
-
- void rom_alloc(uint32_t size, const char *tag);
- void ram_alloc(uint32_t size);
- uint8_t* get_rom_base() { return m_rom; }
- uint8_t* get_ram_base() { return &m_ram[0]; }
- uint32_t get_rom_size() { return m_rom_size; }
- uint32_t get_ram_size() { return m_ram.size(); }
-
-protected:
- device_vcs_cart_interface(const machine_config &mconfig, device_t &device);
-
- // internal state
- uint8_t *m_rom;
- uint32_t m_rom_size;
- std::vector<uint8_t> m_ram;
-};
-
-
-// ======================> vcs_cart_slot_device
class vcs_cart_slot_device : public device_t,
- public device_image_interface,
+ public device_cartrom_image_interface,
public device_single_card_slot_interface<device_vcs_cart_interface>
{
public:
@@ -101,41 +29,30 @@ public:
vcs_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
virtual ~vcs_cart_slot_device();
- // image-level overrides
- virtual image_init_result call_load() override;
+ template <typename T> void set_address_space(T &&tag, int no) { m_address_space.set_tag(std::forward<T>(tag), no); }
+
+ // device_image_interface implementation
+ virtual std::pair<std::error_condition, std::string> call_load() override;
virtual void call_unload() override;
- virtual iodevice_t image_type() const noexcept override { return IO_CARTSLOT; }
- virtual bool is_readable() const noexcept override { return true; }
- virtual bool is_writeable() const noexcept override { return false; }
- virtual bool is_creatable() const noexcept override { return false; }
- virtual bool must_be_loaded() const noexcept override { return true; }
virtual bool is_reset_on_load() const noexcept override { return true; }
virtual const char *image_interface() const noexcept override { return "a2600_cart"; }
virtual const char *file_extensions() const noexcept override { return "bin,a26"; }
- // slot interface overrides
+ // device_slot_interface implementation
virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
- int get_cart_type() { return m_type; };
+ int get_cart_type() { return m_type; }
static int identify_cart_type(const uint8_t *ROM, uint32_t len);
- // reading and writing
- virtual uint8_t read_rom(offs_t offset);
- virtual uint8_t read_bank(address_space &space, offs_t offset);
- virtual void write_bank(address_space &space, offs_t offset, uint8_t data);
- virtual void write_ram(offs_t offset, uint8_t data);
-
protected:
- // device-level overrides
+ // device_t implementation
virtual void device_start() override;
- // device_image_interface implementation
- virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); }
-
private:
- device_vcs_cart_interface* m_cart;
+ device_vcs_cart_interface *m_cart;
int m_type;
+ optional_address_space m_address_space;
static bool detect_snowhite(const uint8_t *cart, uint32_t len);
static bool detect_modeDC(const uint8_t *cart, uint32_t len);
@@ -152,6 +69,35 @@ private:
static bool detect_8K_mode3F(const uint8_t *cart, uint32_t len);
static bool detect_32K_mode3F(const uint8_t *cart, uint32_t len);
static bool detect_super_chip(const uint8_t *cart, uint32_t len);
+
+ friend class device_vcs_cart_interface;
+};
+
+
+class device_vcs_cart_interface : public device_interface
+{
+public:
+ // construction/destruction
+ virtual ~device_vcs_cart_interface();
+
+ virtual void install_memory_handlers(address_space *space) { }
+
+ virtual void setup_addon_ptr(uint8_t *ptr) { }
+
+ void rom_alloc(uint32_t size, const char *tag);
+ void ram_alloc(uint32_t size);
+ uint8_t *get_rom_base() { return m_rom; }
+ uint8_t *get_ram_base() { return &m_ram[0]; }
+ uint32_t get_rom_size() { return m_rom_size; }
+ uint32_t get_ram_size() { return m_ram.size(); }
+
+protected:
+ device_vcs_cart_interface(const machine_config &mconfig, device_t &device);
+
+ // internal state
+ uint8_t *m_rom;
+ uint32_t m_rom_size;
+ std::vector<uint8_t> m_ram;
};