diff options
Diffstat (limited to 'src/devices/bus/msx_cart/cartridge.h')
-rw-r--r-- | src/devices/bus/msx_cart/cartridge.h | 52 |
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 |