diff options
Diffstat (limited to 'src/devices/bus/ti99/gromport/gkracker.h')
-rw-r--r-- | src/devices/bus/ti99/gromport/gkracker.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/devices/bus/ti99/gromport/gkracker.h b/src/devices/bus/ti99/gromport/gkracker.h new file mode 100644 index 00000000000..d92c6e38c6f --- /dev/null +++ b/src/devices/bus/ti99/gromport/gkracker.h @@ -0,0 +1,71 @@ +// license:LGPL-2.1+ +// copyright-holders:Michael Zapf +/**************************************************************************** + GRAM Kracker. +*****************************************************************************/ + +#ifndef MAME_BUS_TI99_GROMPORT_GKRACKER_H +#define MAME_BUS_TI99_GROMPORT_GKRACKER_H + +#pragma once +#include "bus/ti99/ti99defs.h" +#include "cartridges.h" + +namespace bus { namespace ti99 { namespace gromport { + +class ti99_gkracker_device : public cartridge_connector_device, public device_nvram_interface +{ +public: + ti99_gkracker_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + DECLARE_READ8Z_MEMBER(readz) override; + DECLARE_WRITE8_MEMBER(write) override; + DECLARE_READ8Z_MEMBER(crureadz) override; + DECLARE_WRITE8_MEMBER(cruwrite) override; + DECLARE_WRITE_LINE_MEMBER(romgq_line) override; + DECLARE_WRITE8_MEMBER(set_gromlines) override; + DECLARE_WRITE_LINE_MEMBER(gclock_in) override; + + void insert(int index, ti99_cartridge_device* cart) override; + void remove(int index) override; + DECLARE_INPUT_CHANGED_MEMBER( gk_changed ); + + // We may have a cartridge plugged into the GK + bool is_grom_idle() override; + +protected: + virtual void device_start() override; + virtual void device_reset() override; + + virtual machine_config_constructor device_mconfig_additions() const override; + virtual const tiny_rom_entry* device_rom_region() const override; + virtual ioport_constructor device_input_ports() const override; + + // device_nvram_interface + void nvram_default() override; + void nvram_read(emu_file &file) override; + void nvram_write(emu_file &file) override; + +private: + int m_gk_switch[6]; // Used to cache the switch settings. + + bool m_romspace_selected; + int m_ram_page; + int m_grom_address; + uint8_t* m_ram_ptr; + uint8_t* m_grom_ptr; + + bool m_waddr_LSB; + + ti99_cartridge_device *m_cartridge; // guest cartridge + + // Just for proper initialization + void gk_install_menu(const char* menutext, int len, int ptr, int next, int start); +}; + + +} } } // end namespace bus::ti99::gromport + +DECLARE_DEVICE_TYPE_NS(TI99_GROMPORT_GK, bus::ti99::gromport, ti99_gkracker_device) + +#endif // MAME_BUS_TI99_GROMPORT_GKRACKER_H |