// license:BSD-3-Clause // copyright-holders:Wilbert Pol #ifndef MAME_BUS_MSX_SLOT_RAM_MM_H #define MAME_BUS_MSX_SLOT_RAM_MM_H #include "slot.h" #define MCFG_MSX_SLOT_RAM_MM_ADD(_tag, _total_size) \ MCFG_MSX_INTERNAL_SLOT_ADD(_tag, MSX_SLOT_RAM_MM, 0, 4) \ downcast(*device).set_total_size(_total_size); #define MCFG_MSX_SLOT_RAMM_SET_RAMIO_BITS(_ramio_set_bits) \ downcast(*device).set_ramio_set_bits(_ramio_set_bits); class msx_slot_ram_mm_device : public device_t, public msx_internal_slot_interface { public: msx_slot_ram_mm_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); void set_total_size(uint32_t total_size) { m_total_size = total_size; } void set_ramio_set_bits(uint8_t ramio_set_bits) { m_ramio_set_bits = ramio_set_bits; } virtual DECLARE_READ8_MEMBER(read) override; virtual DECLARE_WRITE8_MEMBER(write) override; DECLARE_READ8_MEMBER(read_mapper_bank); DECLARE_WRITE8_MEMBER(write_mapper_bank); protected: virtual void device_start() override; void restore_banks(); private: std::vector m_ram; uint32_t m_total_size; uint8_t m_bank_mask; uint8_t m_bank_selected[4]; uint8_t *m_bank_base[4]; uint8_t m_ramio_set_bits; }; DECLARE_DEVICE_TYPE(MSX_SLOT_RAM_MM, msx_slot_ram_mm_device) #endif // MAME_BUS_MSX_SLOT_RAM_MM_H