1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* aradata.cpp - ARAnyM special HW registers
*
* Copyright (c) 2001-2004 Petr Stehlik of ARAnyM dev team (see AUTHORS)
*
* This file is part of the ARAnyM project which builds a new and powerful
* TOS/FreeMiNT compatible virtual machine running on almost any hardware.
*
* ARAnyM is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* ARAnyM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ARAnyM; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sysdeps.h"
#include "hardware.h"
#include "cpu_emulation.h"
#include "newcpu.h"
#include "memory-uae.h"
#include "aradata.h"
#include "parameters.h"
#define DEBUG 0
#include "debug.h"
ARADATA::ARADATA(memptr addr, uint32 size) : BASE_IO(addr, size)
{
reset();
}
int ARADATA::getAtariMouseX()
{
if (abase)
return ReadHWMemInt16(abase - 0x25a);
return mouse_x;
}
int ARADATA::getAtariMouseY()
{
if (abase)
return ReadHWMemInt16(abase - 0x258);
return mouse_y;
}
void ARADATA::reset()
{
mouseDriver = false;
mouse_x = -1;
mouse_y = -1;
abase = 0;
}
void ARADATA::setAbase(memptr new_abase)
{
abase = new_abase;
D(bug("ARADATA:: abase=%08x", new_abase));
}
uint8 ARADATA::handleRead(memptr addr) {
addr -= getHWoffset();
switch(addr) {
case 0: return '_';
case 1: return 'A';
case 2: return 'R';
case 3: return 'A';
case 4: return 0; /* VERSION_MAJOR */
case 5: return 0; /* VERSION_MINOR */
case 6: return FastRAMSize >> 24;
case 7: return FastRAMSize >> 16;
case 8: return FastRAMSize >> 8;
case 9: return FastRAMSize;
}
return 0;
}
void ARADATA::handleWrite(memptr addr, uint8 value) {
addr -= getHWoffset();
switch(addr) {
case 14: mouse_x = (mouse_x & 0xff) | (value << 8); break;
case 15: mouse_x = (mouse_x & 0xff00) | value; break;
case 16: mouse_y = (mouse_y & 0xff) | (value << 8); break;
case 17: mouse_y = (mouse_y & 0xff00) | value; break;
}
mouseDriver = true;
}
|
