diff options
Diffstat (limited to 'src/devices/bus/ti99/peb/horizon.h')
-rw-r--r-- | src/devices/bus/ti99/peb/horizon.h | 55 |
1 files changed, 36 insertions, 19 deletions
diff --git a/src/devices/bus/ti99/peb/horizon.h b/src/devices/bus/ti99/peb/horizon.h index d284e1ffbcb..77643cd9ba3 100644 --- a/src/devices/bus/ti99/peb/horizon.h +++ b/src/devices/bus/ti99/peb/horizon.h @@ -18,8 +18,9 @@ #include "peribox.h" #include "machine/ram.h" +#include "machine/74259.h" -namespace bus { namespace ti99 { namespace peb { +namespace bus::ti99::peb { class horizon_ramdisk_device : public device_t, public device_ti99_peribox_card_interface, public device_nvram_interface { @@ -34,37 +35,53 @@ public: DECLARE_INPUT_CHANGED_MEMBER( hs_changed ); protected: - void device_start() override; - void device_reset() override; + virtual void device_start() override; + virtual void device_reset() override; virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; - void nvram_default() override; - void nvram_read(emu_file &file) override; - void nvram_write(emu_file &file) override; + virtual void nvram_default() override; + virtual bool nvram_read(util::read_stream &file) override; + virtual bool nvram_write(util::write_stream &file) override; + virtual bool nvram_can_write() const override; private: - void setbit(int& page, int pattern, bool set); - required_device<ram_device> m_ram; - required_device<ram_device> m_nvram; - required_device<ram_device> m_ros; + required_device<ram_device> m_dsrram; + required_device<ram_device> m_optram; + required_device<ls259_device> m_crulatch_u4; + required_device<ls259_device> m_crulatch_u3; - int m_page; + void get_mem_size(int& ramsize, int& dsrsize); + void get_address_prefix(); + void read_write(offs_t offset, uint8_t *value, bool write); - int m_cru_horizon; - int m_cru_phoenix; - bool m_timode; bool m_32k_installed; - bool m_split_mode; - bool m_rambo_mode; + bool m_phoenix_accessed; + bool m_dsr32k; + bool m_128kx8; + bool m_geneve_mode; + bool m_phoenix_split; bool m_hideswitch; - bool m_use_rambo; - bool m_genmod_fix; + bool m_rambo_supported; + + // Do not save if nothing was modified. + bool m_modified; + + int m_page; + int m_bank; + int m_ramsize; + + int m_cru_base_horizon; + int m_cru_base_phoenix; + + // Debugging + int m_current_bank; + int m_current_page; }; -} } } // end namespace bus::ti99::peb +} // end namespace bus::ti99::peb DECLARE_DEVICE_TYPE_NS(TI99_HORIZON, bus::ti99::peb, horizon_ramdisk_device) |