diff options
Diffstat (limited to 'src/devices/bus/bbc/tube/tube_32016.h')
-rw-r--r-- | src/devices/bus/bbc/tube/tube_32016.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/devices/bus/bbc/tube/tube_32016.h b/src/devices/bus/bbc/tube/tube_32016.h new file mode 100644 index 00000000000..864b8173703 --- /dev/null +++ b/src/devices/bus/bbc/tube/tube_32016.h @@ -0,0 +1,71 @@ +// license:BSD-3-Clause +// copyright-holders:Nigel Barnes +/********************************************************************** + + Acorn ANC05 32016 2nd processor + + http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Acorn_ANC05_320162ndproc.html + + Acorn ANC06 Cambridge Co-Processor + + http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Acorn_ANC06_CamCoPro.html + +**********************************************************************/ + + +#ifndef MAME_BUS_BBC_TUBE_32016_H +#define MAME_BUS_BBC_TUBE_32016_H + +#include "tube.h" +#include "cpu/ns32000/ns32000.h" +#include "machine/ram.h" +#include "machine/tube.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> bbc_tube_32016_device + +class bbc_tube_32016_device : + public device_t, + public device_bbc_tube_interface +{ +public: + // construction/destruction + bbc_tube_32016_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + + // optional information overrides + virtual void device_add_mconfig(machine_config &config) override; + virtual const tiny_rom_entry *device_rom_region() const override; + virtual ioport_constructor device_input_ports() const override; + + virtual uint8_t host_r(offs_t offset) override; + virtual void host_w(offs_t offset, uint8_t data) override; + +private: + required_device<ns32016_cpu_device> m_maincpu; + required_device<tube_device> m_ula; + required_device<ram_device> m_ram; + required_memory_region m_rom; + + DECLARE_READ8_MEMBER(read); + DECLARE_WRITE8_MEMBER(write); + + void tube_32016_mem(address_map &map); + + bool m_rom_enabled; +}; + + + +// device type definition +DECLARE_DEVICE_TYPE(BBC_TUBE_32016, bbc_tube_32016_device) + + +#endif /* MAME_BUS_BBC_TUBE_32016_H */ |