109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: busmouse.h,v 1.12 2009-12-04 19:50:26 sshwarts Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2004-2009 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#if BX_SUPPORT_BUSMOUSE
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#ifndef _PCBUSM_H
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#define _PCBUSM_H
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// these keywords should only be used in busmouse.cc
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#if BX_USE_BUSM_SMF
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# define BX_BUSM_SMF static
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# define BX_BUSM_THIS theBusMouse->
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#else
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# define BX_BUSM_SMF
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# define BX_BUSM_THIS
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#endif
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#define BUS_MOUSE_IRQ 5
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#define PORT_CONTROL 0x023C
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#define PORT_DATA 0x023D
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#define PORT_SIGNATURE 0x023E
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#define PORT_CONFIG 0x023F
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class bx_busm_c : public bx_devmodel_c {
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public:
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bx_busm_c();
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virtual ~bx_busm_c();
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virtual void init(void);
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virtual void reset(unsigned type) {}
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virtual void register_state(void);
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private:
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static void timer_handler(void *);
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void busm_timer(void);
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static void mouse_enq_static(void *dev, int delta_x, int delta_y, int delta_z, unsigned button_state);
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void mouse_enq(int delta_x, int delta_y, int delta_z, unsigned button_state);
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static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
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static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
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#if !BX_USE_BUSM_SMF
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void write(Bit32u address, Bit32u value, unsigned io_len);
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Bit32u read(Bit32u address, unsigned io_len);
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#endif
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int timer_index; // our timer index
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int mouse_delayed_dx;
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int mouse_delayed_dy;
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Bit8u current_x, current_y, current_b;
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// signature port
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Bit8u sig_port_sequ; // bit0: 0 or 1. A register read rotates between two values? 0xDE and Hardware ID?
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// D7 = Mode set flag (1 = active)
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// D6,D5 = Mode selection (port A)
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// 00 = Mode 0 = Basic I/O
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// 01 = Mode 1 = Strobed I/O
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// 10 = Mode 2 = Bi-dir bus
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// D4 = Port A direction (1 = input)
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// D3 = Port C (upper 4 bits)
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// direction. (1 = input)
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// D2 = Mode selection (port B & C)
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// 0 = Mode 0 = Basic I/O
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// 1 = Mode 1 = Strobed I/O
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// D1 = Port B direction (1 = input)
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// D0 = Port C (lower 4 bits)
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// direction. (1 = input)
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Bit8u control_val;
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struct {
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bx_bool mode_set;
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Bit8u modeA_select;
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bx_bool portA_dir; // 1 = input
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bx_bool portC_upper_dir; // 1 = input
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bx_bool modeBC_select;
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bx_bool portB_dir; // 1 = input
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bx_bool portC_lower_dir; // 1 = input
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} control;
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bx_bool interrupts; // 0 or 1. interrupts off or on.
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bx_bool packet_update; // 0 or 1. allow the mouse to update the packet?
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Bit8u cur_command; // current command
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Bit8u command_val; // current command val
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};
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#endif // #ifndef _PCBUSM_H
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#endif // BX_SUPPORT_BUSMOUSE
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