diff options
Diffstat (limited to 'src/devices/bus/bbc/tube/tube_a500.h')
-rw-r--r-- | src/devices/bus/bbc/tube/tube_a500.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/devices/bus/bbc/tube/tube_a500.h b/src/devices/bus/bbc/tube/tube_a500.h new file mode 100644 index 00000000000..b3e2ba5301d --- /dev/null +++ b/src/devices/bus/bbc/tube/tube_a500.h @@ -0,0 +1,70 @@ +// license:BSD-3-Clause +// copyright-holders:Nigel Barnes +/********************************************************************** + + Acorn A500 2nd processor + + http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Acorn_A5002ndProc.html + +**********************************************************************/ + + +#ifndef MAME_BUS_BBC_TUBE_A500_H +#define MAME_BUS_BBC_TUBE_A500_H + +#include "tube.h" +#include "cpu/arm/arm.h" +#include "machine/tube.h" +#include "machine/input_merger.h" +#include "machine/acorn_ioc.h" +#include "machine/acorn_memc.h" +#include "machine/acorn_vidc.h" +#include "machine/archimedes_keyb.h" +#include "screen.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> bbc_tube_a500_device + +class bbc_tube_a500_device : + public device_t, + public device_bbc_tube_interface +{ +public: + // construction/destruction + bbc_tube_a500_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + // device-level overrides + virtual void device_start() override; + + // optional information overrides + virtual void device_add_mconfig(machine_config &config) override; + virtual const tiny_rom_entry *device_rom_region() 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<arm_cpu_device> m_maincpu; + required_device<acorn_ioc_device> m_ioc; + required_device<acorn_memc_device> m_memc; + required_device<acorn_vidc10_device> m_vidc; + required_device<tube_device> m_ula; + required_device<input_merger_device> m_irqs; + required_device<input_merger_device> m_fiqs; + + void arm_mem(address_map &map); + void a500_map(address_map &map); +}; + + +// device type definition +DECLARE_DEVICE_TYPE(BBC_TUBE_A500, bbc_tube_a500_device) + + +#endif /* MAME_BUS_BBC_TUBE_A500_H */ |