diff options
Diffstat (limited to 'src/devices/bus/msx_slot/ram_mm.h')
-rw-r--r-- | src/devices/bus/msx_slot/ram_mm.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/devices/bus/msx_slot/ram_mm.h b/src/devices/bus/msx_slot/ram_mm.h index 55f13659a4c..87837909b2d 100644 --- a/src/devices/bus/msx_slot/ram_mm.h +++ b/src/devices/bus/msx_slot/ram_mm.h @@ -5,27 +5,33 @@ #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<msx_slot_ram_mm_device &>(*device).set_total_size(_total_size); + +#define MCFG_MSX_SLOT_RAMM_SET_RAMIO_BITS(_ramio_set_bits) \ + downcast<msx_slot_ram_mm_device &>(*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); - msx_slot_ram_mm_device &set_total_size(uint32_t total_size) { m_total_size = total_size; return *this; } - msx_slot_ram_mm_device &set_ramio_bits(uint8_t ramio_set_bits) { m_ramio_set_bits = ramio_set_bits; return *this; } + 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 uint8_t read(offs_t offset) override; - virtual void write(offs_t offset, uint8_t data) override; + 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; - virtual void device_post_load() override; void restore_banks(); private: - uint8_t read_mapper_bank(offs_t offset); - void write_mapper_bank(offs_t offset, uint8_t data); - std::vector<uint8_t> m_ram; uint32_t m_total_size; uint8_t m_bank_mask; |