diff options
Diffstat (limited to 'src/devices/bus/hp80_io/hp80_io.h')
-rw-r--r-- | src/devices/bus/hp80_io/hp80_io.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/devices/bus/hp80_io/hp80_io.h b/src/devices/bus/hp80_io/hp80_io.h new file mode 100644 index 00000000000..64430f8b6b4 --- /dev/null +++ b/src/devices/bus/hp80_io/hp80_io.h @@ -0,0 +1,107 @@ +// license:BSD-3-Clause +// copyright-holders: F. Ulivi +/********************************************************************* + + hp80_io.h + + I/O bus of HP80 systems + +*********************************************************************/ + +#ifndef MAME_BUS_HP80_IO_HP80_IO_H +#define MAME_BUS_HP80_IO_HP80_IO_H + +#pragma once + +#define MCFG_HP80_IO_SLOT_ADD(_tag , _idx) \ + MCFG_DEVICE_ADD(_tag, HP80_IO_SLOT, 0) \ + MCFG_DEVICE_SLOT_INTERFACE(hp80_io_slot_devices, nullptr, false) \ + hp80_io_slot_device::set_slot_no(*device , _idx); + +#define MCFG_HP80_IO_IRL_CB(_devcb) \ + devcb = &hp80_io_slot_device::set_irl_cb_func(*device , DEVCB_##_devcb); + +#define MCFG_HP80_IO_HALT_CB(_devcb) \ + devcb = &hp80_io_slot_device::set_halt_cb_func(*device , DEVCB_##_devcb); + +#define HP80_IO_FIRST_SC 3 // Lowest SC used by I/O cards + +#define MCFG_HP80_IO_SC(_default_sc) \ + PORT_START("SC") \ + PORT_CONFNAME(0xf , (_default_sc) - HP80_IO_FIRST_SC , "Select Code") \ + PORT_CONFSETTING(0 , "3")\ + PORT_CONFSETTING(1 , "4")\ + PORT_CONFSETTING(2 , "5")\ + PORT_CONFSETTING(3 , "6")\ + PORT_CONFSETTING(4 , "7")\ + PORT_CONFSETTING(5 , "8")\ + PORT_CONFSETTING(6 , "9")\ + PORT_CONFSETTING(7 , "10") + +class hp80_io_slot_device : public device_t, + public device_slot_interface +{ +public: + // construction/destruction + hp80_io_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + virtual ~hp80_io_slot_device(); + + // static configuration helpers + static void set_slot_no(device_t &device, unsigned slot_no) { downcast<hp80_io_slot_device &>(device).m_slot_no = slot_no; } + + // device-level overrides + virtual void device_start() override; + + // Callback setups + template <class Object> static devcb_base &set_irl_cb_func(device_t &device, Object &&cb) { return downcast<hp80_io_slot_device &>(device).m_irl_cb_func.set_callback(std::forward<Object>(cb)); } + template <class Object> static devcb_base &set_halt_cb_func(device_t &device, Object &&cb) { return downcast<hp80_io_slot_device &>(device).m_halt_cb_func.set_callback(std::forward<Object>(cb)); } + + // SC getter + uint8_t get_sc() const; + + uint16_t get_base_addr() const; + + void install_read_write_handlers(address_space& space); + + DECLARE_WRITE_LINE_MEMBER(irl_w); + DECLARE_WRITE_LINE_MEMBER(halt_w); + + void inten(); + void clear_service(); + +private: + devcb_write8 m_irl_cb_func; + devcb_write8 m_halt_cb_func; + unsigned m_slot_no; +}; + +class hp80_io_card_device : public device_t, + public device_slot_card_interface +{ +public: + // SC getter + uint8_t get_sc() const; + + virtual void install_read_write_handlers(address_space& space , uint16_t base_addr) = 0; + + virtual void inten(); + virtual void clear_service(); + +protected: + // construction/destruction + hp80_io_card_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + virtual ~hp80_io_card_device(); + + required_ioport m_select_code_port; + + // card device handling + DECLARE_WRITE_LINE_MEMBER(irl_w); + DECLARE_WRITE_LINE_MEMBER(halt_w); +}; + +// device type definition +DECLARE_DEVICE_TYPE(HP80_IO_SLOT, hp80_io_slot_device) + +SLOT_INTERFACE_EXTERN(hp80_io_slot_devices); + +#endif // MAME_BUS_HP80_IO_HP80_IO_H |