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Diffstat (limited to 'src/devices/bus/z88/z88.h')
-rw-r--r-- | src/devices/bus/z88/z88.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/devices/bus/z88/z88.h b/src/devices/bus/z88/z88.h new file mode 100644 index 00000000000..bcba1671941 --- /dev/null +++ b/src/devices/bus/z88/z88.h @@ -0,0 +1,138 @@ +// license:BSD-3-Clause +// copyright-holders:Sandro Ronco +/********************************************************************* + + z88.h + + Z88 cartridge slots emulation + +********************************************************************** + + pins Slot 1 Slot 2 Slot 3 + + 1 A16 A16 A16 + 2 A15 A15 A15 + 3 A12 A12 A12 + 4 A7 A7 A7 + 5 A6 A6 A6 + 6 A5 A5 A5 + 7 A4 A4 A4 + 8 A3 A3 A3 + 9 A2 A2 A2 + 10 A1 A1 A1 + 11 A0 A0 A0 + 12 D0 D0 D0 + 13 D1 D1 D1 + 14 D2 D2 D2 + 15 SNSL SNSL SNSL + 16 GND GND GND + 17 GND GND GND + 18 A14 A14 A14 + 19 VCC VCC VPP + 20 VCC VCC VCC + 21 VCC VCC VCC + 22 WEL WEL PGML + 23 A13 A13 A13 + 24 A8 A8 A8 + 25 A9 A9 A9 + 26 A11 A11 A11 + 27 POE POE POE + 28 ROE ROE EOE + 29 A10 A10 A10 + 30 SE1 SE2 SE3 + 31 D7 D7 D7 + 32 D6 D6 D6 + 33 D3 D3 D3 + 34 D4 D4 D4 + 35 D5 D5 D5 + 36 A17 A17 A17 + 37 A18 A18 A18 + 38 A19 A19 A19 + +*********************************************************************/ + +#ifndef __Z88CART_H__ +#define __Z88CART_H__ + +/*************************************************************************** + TYPE DEFINITIONS +***************************************************************************/ + +// ======================> device_z88cart_interface + +class device_z88cart_interface : public device_slot_card_interface +{ +public: + // construction/destruction + device_z88cart_interface(const machine_config &mconfig, device_t &device); + virtual ~device_z88cart_interface(); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read) { return 0xff; } + virtual DECLARE_WRITE8_MEMBER(write) { } + virtual UINT8* get_cart_base() { return NULL; } + virtual UINT32 get_cart_size() { return 0; } +}; + + +// ======================> z88cart_slot_device + +class z88cart_slot_device : public device_t, + public device_image_interface, + public device_slot_interface +{ +public: + // construction/destruction + z88cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual ~z88cart_slot_device(); + + template<class _Object> static devcb_base &set_out_flp_callback(device_t &device, _Object object) { return downcast<z88cart_slot_device &>(device).m_out_flp_cb.set_callback(object); } + + // device-level overrides + virtual void device_start(); + virtual void device_config_complete(); + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + + // image-level overrides + virtual bool call_load(); + virtual void call_unload(); + virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry); + + virtual iodevice_t image_type() const { return IO_CARTSLOT; } + virtual bool is_readable() const { return 1; } + virtual bool is_writeable() const { return 1; } + virtual bool is_creatable() const { return 1; } + virtual bool must_be_loaded() const { return 0; } + virtual bool is_reset_on_load() const { return 0; } + virtual const char *image_interface() const { return "z88_cart"; } + virtual const char *file_extensions() const { return "epr,bin"; } + virtual const option_guide *create_option_guide() const { return NULL; } + + // slot interface overrides + virtual void get_default_card_software(std::string &result); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read); + virtual DECLARE_WRITE8_MEMBER(write); + +private: + static const device_timer_id TIMER_FLP_CLEAR = 0; + + devcb_write_line m_out_flp_cb; + device_z88cart_interface* m_cart; + emu_timer * m_flp_timer; +}; + + +// device type definition +extern const device_type Z88CART_SLOT; + + +/*************************************************************************** + DEVICE CONFIGURATION MACROS +***************************************************************************/ + +#define MCFG_Z88CART_SLOT_OUT_FLP_CB(_devcb) \ + devcb = &z88cart_slot_device::set_out_flp_callback(*device, DEVCB_##_devcb); + +#endif /* __Z88CART_H__ */ |