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author | 2013-10-20 19:43:30 +0000 | |
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committer | 2013-10-20 19:43:30 +0000 | |
commit | 726983263b929a6f1f0a131d7b511242b8bf0437 (patch) | |
tree | d0c91051c8cd9792ed3046180f893edfdefc38f9 /src/emu/bus/comx35/fdc.h | |
parent | d2236708b3ca7fc0472e9e4915e0ba4dd01c4089 (diff) |
(MESS) comx35: Moved expansion port under emu/bus. (nw)
Diffstat (limited to 'src/emu/bus/comx35/fdc.h')
-rw-r--r-- | src/emu/bus/comx35/fdc.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/emu/bus/comx35/fdc.h b/src/emu/bus/comx35/fdc.h new file mode 100644 index 00000000000..8fb755eec1c --- /dev/null +++ b/src/emu/bus/comx35/fdc.h @@ -0,0 +1,73 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + COMX-35 Disk Controller Card emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#pragma once + +#ifndef __COMX_FD__ +#define __COMX_FD__ + +#include "emu.h" +#include "exp.h" +#include "formats/comx35_dsk.h" +#include "machine/wd_fdc.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> comx_fd_device + +class comx_fd_device : public device_t, + public device_comx_expansion_card_interface +{ +public: + // construction/destruction + comx_fd_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() const; + + DECLARE_FLOPPY_FORMATS( floppy_formats ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // device_comx_expansion_card_interface overrides + virtual int comx_ef4_r(); + virtual void comx_q_w(int state); + virtual UINT8 comx_mrd_r(address_space &space, offs_t offset, int *extrom); + virtual UINT8 comx_io_r(address_space &space, offs_t offset); + virtual void comx_io_w(address_space &space, offs_t offset, UINT8 data); + +private: + // internal state + required_device<wd1770_t> m_fdc; + required_device<floppy_connector> m_floppy0; + required_device<floppy_connector> m_floppy1; + required_memory_region m_rom; + + // floppy state + int m_q; // FDC register select + int m_addr; // FDC address + int m_disb; // data request disable +}; + + +// device type definition +extern const device_type COMX_FD; + + +#endif |