diff options
Diffstat (limited to 'src/devices/bus/pc98_54simm/slot.h')
| -rw-r--r-- | src/devices/bus/pc98_54simm/slot.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/devices/bus/pc98_54simm/slot.h b/src/devices/bus/pc98_54simm/slot.h new file mode 100644 index 00000000000..70917dcddfd --- /dev/null +++ b/src/devices/bus/pc98_54simm/slot.h @@ -0,0 +1,67 @@ +// license:BSD-3-Clause +// copyright-holders:Angelo Salese + +#ifndef MAME_BUS_PC98_54SIMM_SLOT_H +#define MAME_BUS_PC98_54SIMM_SLOT_H + +#pragma once + +class device_pc9801_54_interface; + +class pc9801_54_simm_device : public device_t, + public device_memory_interface, + public device_single_card_slot_interface<device_pc9801_54_interface> +{ + friend class device_pc9801_54_interface; +public: + // construction/destruction + template <typename T> + pc9801_54_simm_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt) + : pc9801_54_simm_device(mconfig, tag, owner, (uint32_t)0) + { + option_reset(); + opts(*this); + set_default_option(dflt); + set_fixed(false); + } + pc9801_54_simm_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); + virtual ~pc9801_54_simm_device(); + + u16 read(offs_t offset, u16 mem_mask = ~0); + void write(offs_t offset, u16 data, u16 mem_mask = ~0); + u16 read_ext(offs_t offset, u16 mem_mask = ~0); + void write_ext(offs_t offset, u16 data, u16 mem_mask = ~0); + + void install_ram(offs_t addrstart, offs_t addrend, void *baseptr); +protected: + virtual void device_start() override ATTR_COLD; + virtual space_config_vector memory_space_config() const override; + +private: + device_pc9801_54_interface *m_bank; + + address_space_config m_space_mem_config; + + address_space *m_space_mem; +}; + +class device_pc9801_54_interface : public device_interface +{ +public: + // construction/destruction + virtual ~device_pc9801_54_interface(); + +protected: + device_pc9801_54_interface(const machine_config &mconfig, device_t &device); + + virtual void interface_pre_start() override; + virtual void interface_post_start() override; + + pc9801_54_simm_device *m_slot; + + std::vector<u16> m_ram; +}; + +DECLARE_DEVICE_TYPE(PC9801_54_SIMM, pc9801_54_simm_device) + +#endif // MAME_BUS_PC98_54SIMM_SLOT_H |
