summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/msx_cart/cartridge.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/msx_cart/cartridge.h')
-rw-r--r--src/devices/bus/msx_cart/cartridge.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/devices/bus/msx_cart/cartridge.h b/src/devices/bus/msx_cart/cartridge.h
new file mode 100644
index 00000000000..6deb2140dea
--- /dev/null
+++ b/src/devices/bus/msx_cart/cartridge.h
@@ -0,0 +1,52 @@
+// license:BSD-3-Clause
+// copyright-holders:Wilbert Pol
+#ifndef __MSX_CART_CARTRIDGE_H
+#define __MSX_CART_CARTRIDGE_H
+
+
+SLOT_INTERFACE_EXTERN(msx_cart);
+SLOT_INTERFACE_EXTERN(msx_yamaha_60pin); // 60 pin expansion slots as found in yamaha machines
+
+
+class msx_cart_interface : public device_slot_card_interface
+{
+public:
+ msx_cart_interface(const machine_config &mconfig, device_t &device);
+
+ template<class _Object> void set_out_irq_cb(_Object object) { m_out_irq_cb.set_callback(object); m_out_irq_cb.resolve_safe(); }
+
+ // This is called after loading cartridge contents and allows the cartridge
+ // implementation to perform some additional initialization based on the
+ // cartridge contents.
+ virtual void initialize_cartridge() {}
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_cart) { return 0xff; }
+ virtual DECLARE_WRITE8_MEMBER(write_cart) {}
+
+ // ROM/RAM/SRAM management
+ // Mainly used by the cartridge slot when loading images
+ void rom_alloc(UINT32 size);
+ void ram_alloc(UINT32 size);
+ void rom_vlm5030_alloc(UINT32 size);
+ void sram_alloc(UINT32 size);
+
+ UINT8* get_rom_base() { return &m_rom[0]; }
+ UINT8* get_rom_vlm5030_base() { return &m_rom_vlm5030[0]; }
+ UINT8* get_ram_base() { return &m_ram[0]; }
+ UINT8* get_sram_base() { return &m_sram[0]; }
+ UINT32 get_rom_size() { return m_rom.size(); }
+ UINT32 get_rom_vlm5030_size() { return m_rom_vlm5030.size(); }
+ UINT32 get_ram_size() { return m_ram.size(); }
+ UINT32 get_sram_size() { return m_sram.size(); }
+
+protected:
+ dynamic_buffer m_rom;
+ dynamic_buffer m_ram;
+ dynamic_buffer m_rom_vlm5030;
+ dynamic_buffer m_sram;
+ devcb_write_line m_out_irq_cb;
+};
+
+
+#endif