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Diffstat (limited to 'src/devices/bus/oricext/oricext.h')
-rw-r--r-- | src/devices/bus/oricext/oricext.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/devices/bus/oricext/oricext.h b/src/devices/bus/oricext/oricext.h new file mode 100644 index 00000000000..4eeb7766aea --- /dev/null +++ b/src/devices/bus/oricext/oricext.h @@ -0,0 +1,65 @@ +// license:BSD-3-Clause +// copyright-holders:Olivier Galibert +/*************************************************************************** + + oric.h - Oric 1/Atmos extension port + +***************************************************************************/ + +#ifndef __ORICEXT_H__ +#define __ORICEXT_H__ + +#include "emu.h" +#include "cpu/m6502/m6502.h" + +#define MCFG_ORICEXT_ADD(_tag, _slot_intf, _def_slot, _cputag, _irq) \ + MCFG_DEVICE_ADD(_tag, ORICEXT_CONNECTOR, 0) \ + MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \ + downcast<oricext_connector *>(device)->set_cputag(_cputag); \ + devcb = &oricext_connector::set_irq_handler(*device, DEVCB_##_irq); + + +class oricext_device; + +class oricext_connector: public device_t, + public device_slot_interface +{ +public: + oricext_connector(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual ~oricext_connector(); + + void set_cputag(const char *tag); + template<class _Object> static devcb_base &set_irq_handler(device_t &device, _Object object) { return downcast<oricext_connector &>(device).irq_handler.set_callback(object); } + void irq_w(int state); + +protected: + devcb_write_line irq_handler; + const char *cputag; + virtual void device_start(); + virtual void device_config_complete(); +}; + +class oricext_device : public device_t, + public device_slot_card_interface +{ +public: + oricext_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + + void set_cputag(const char *tag); + DECLARE_WRITE_LINE_MEMBER(irq_w); + +protected: + const char *cputag; + m6502_device *cpu; + oricext_connector *connector; + memory_bank *bank_c000_r, *bank_e000_r, *bank_f800_r, *bank_c000_w, *bank_e000_w, *bank_f800_w; + UINT8 *rom, *ram; + UINT8 junk_read[8192], junk_write[8192]; + + virtual void device_start(); +}; + +extern const device_type ORICEXT_CONNECTOR; +SLOT_INTERFACE_EXTERN( oricext_intf ); + +#endif /* __ORICEXT_H__ */ |