1//============================================================================
2//
3// SSSS tt lll lll
4// SS SS tt ll ll
5// SS tttttt eeee ll ll aaaa
6// SSSS tt ee ee ll ll aa
7// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
8// SS SS tt ee ll ll aa aa
9// SSSS ttt eeeee llll llll aaaaa
10//
11// Copyright (c) 1995-2019 by Bradford W. Mott, Stephen Anthony
12// and the Stella Team
13//
14// See the file "License.txt" for information on usage and redistribution of
15// this file, and for a DISCLAIMER OF ALL WARRANTIES.
16//============================================================================
17
18#include "Debugger.hxx"
19#include "CartDebug.hxx"
20#include "CartFA.hxx"
21#include "PopUpWidget.hxx"
22#include "CartFAWidget.hxx"
23
24// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
25CartridgeFAWidget::CartridgeFAWidget(
26 GuiObject* boss, const GUI::Font& lfont, const GUI::Font& nfont,
27 int x, int y, int w, int h, CartridgeFA& cart)
28 : CartDebugWidget(boss, lfont, nfont, x, y, w, h),
29 myCart(cart)
30{
31 uInt16 size = 3 * 4096;
32
33 ostringstream info;
34 info << "CBS RAM+ FA cartridge, three 4K banks\n"
35 << "256 bytes RAM @ $F000 - $F1FF\n"
36 << " $F100 - $F1FF (R), $F000 - $F0FF (W)\n"
37 << "Startup bank = " << cart.startBank() << " or undetermined\n";
38
39 // Eventually, we should query this from the debugger/disassembler
40 for(uInt32 i = 0, offset = 0xFFC, spot = 0xFF8; i < 3; ++i, offset += 0x1000)
41 {
42 uInt16 start = (cart.myImage[offset+1] << 8) | cart.myImage[offset];
43 start -= start % 0x1000;
44 info << "Bank " << i << " @ $" << Common::Base::HEX4 << (start + 0x200) << " - "
45 << "$" << (start + 0xFFF) << " (hotspot = $F" << (spot+i) << ")\n";
46 }
47
48 int xpos = 2,
49 ypos = addBaseInformation(size, "CBS", info.str()) + myLineHeight;
50
51 VariantList items;
52 VarList::push_back(items, "0 ($FFF8)");
53 VarList::push_back(items, "1 ($FFF9)");
54 VarList::push_back(items, "2 ($FFFA)");
55 myBank =
56 new PopUpWidget(boss, _font, xpos, ypos-2, _font.getStringWidth("0 ($FFFx)"),
57 myLineHeight, items, "Set bank ",
58 0, kBankChanged);
59 myBank->setTarget(this);
60 addFocusWidget(myBank);
61}
62
63// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
64void CartridgeFAWidget::saveOldState()
65{
66 myOldState.internalram.clear();
67
68 for(uInt32 i = 0; i < internalRamSize(); ++i)
69 myOldState.internalram.push_back(myCart.myRAM[i]);
70
71 myOldState.bank = myCart.getBank();
72}
73
74// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
75void CartridgeFAWidget::loadConfig()
76{
77 myBank->setSelectedIndex(myCart.getBank(), myCart.getBank() != myOldState.bank);
78
79 CartDebugWidget::loadConfig();
80}
81
82// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
83void CartridgeFAWidget::handleCommand(CommandSender* sender,
84 int cmd, int data, int id)
85{
86 if(cmd == kBankChanged)
87 {
88 myCart.unlockBank();
89 myCart.bank(myBank->getSelected());
90 myCart.lockBank();
91 invalidate();
92 }
93}
94
95// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
96string CartridgeFAWidget::bankState()
97{
98 ostringstream& buf = buffer();
99
100 static const char* const spot[] = { "$FFF8", "$FFF9", "$FFFA" };
101 buf << "Bank = " << std::dec << myCart.getBank()
102 << ", hotspot = " << spot[myCart.getBank()];
103
104 return buf.str();
105}
106
107// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
108uInt32 CartridgeFAWidget::internalRamSize()
109{
110 return 256;
111}
112
113// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
114uInt32 CartridgeFAWidget::internalRamRPort(int start)
115{
116 return 0xF100 + start;
117}
118
119// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
120string CartridgeFAWidget::internalRamDescription()
121{
122 ostringstream desc;
123 desc << "$F000 - $F0FF used for Write Access\n"
124 << "$F100 - $F1FF used for Read Access";
125
126 return desc.str();
127}
128
129// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
130const ByteArray& CartridgeFAWidget::internalRamOld(int start, int count)
131{
132 myRamOld.clear();
133 for(int i = 0; i < count; i++)
134 myRamOld.push_back(myOldState.internalram[start + i]);
135 return myRamOld;
136}
137
138// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
139const ByteArray& CartridgeFAWidget::internalRamCurrent(int start, int count)
140{
141 myRamCurrent.clear();
142 for(int i = 0; i < count; i++)
143 myRamCurrent.push_back(myCart.myRAM[start + i]);
144 return myRamCurrent;
145}
146
147// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
148void CartridgeFAWidget::internalRamSetValue(int addr, uInt8 value)
149{
150 myCart.myRAM[addr] = value;
151}
152
153// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
154uInt8 CartridgeFAWidget::internalRamGetValue(int addr)
155{
156 return myCart.myRAM[addr];
157}
158
159// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
160string CartridgeFAWidget::internalRamLabel(int addr)
161{
162 CartDebug& dbg = instance().debugger().cartDebug();
163 return dbg.getLabel(addr + 0xF100, false);
164}
165