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 "Cart4KSC.hxx"
21#include "Cart4KSCWidget.hxx"
22
23// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
24Cartridge4KSCWidget::Cartridge4KSCWidget(
25 GuiObject* boss, const GUI::Font& lfont, const GUI::Font& nfont,
26 int x, int y, int w, int h, Cartridge4KSC& cart)
27 : CartDebugWidget(boss, lfont, nfont, x, y, w, h),
28 myCart(cart)
29{
30 // Eventually, we should query this from the debugger/disassembler
31 uInt16 start = (cart.myImage[0xFFD] << 8) | cart.myImage[0xFFC];
32 start -= start % 0x1000;
33
34 ostringstream info;
35 info << "4KSC cartridge, non-bankswitched\n"
36 << "128 bytes RAM @ $F000 - $F0FF\n"
37 << " $F080 - $F0FF (R), $F000 - $F07F (W)\n"
38 << "Accessible @ $" << Common::Base::HEX4 << start << " - "
39 << "$" << (start + 0xFFF);
40
41 addBaseInformation(4096, "homebrew intermediate format", info.str());
42}
43
44// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
45void Cartridge4KSCWidget::saveOldState()
46{
47 myOldState.internalram.clear();
48
49 for(uInt32 i = 0; i < internalRamSize(); ++i)
50 myOldState.internalram.push_back(myCart.myRAM[i]);
51}
52
53// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
54uInt32 Cartridge4KSCWidget::internalRamSize()
55{
56 return 128;
57}
58
59// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
60uInt32 Cartridge4KSCWidget::internalRamRPort(int start)
61{
62 return 0xF080 + start;
63}
64
65// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
66string Cartridge4KSCWidget::internalRamDescription()
67{
68 ostringstream desc;
69 desc << "$F000 - $F07F used for Write Access\n"
70 << "$F080 - $F0FF used for Read Access";
71
72 return desc.str();
73}
74
75// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
76const ByteArray& Cartridge4KSCWidget::internalRamOld(int start, int count)
77{
78 myRamOld.clear();
79 for(int i = 0; i < count; i++)
80 myRamOld.push_back(myOldState.internalram[start + i]);
81 return myRamOld;
82}
83
84// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
85const ByteArray& Cartridge4KSCWidget::internalRamCurrent(int start, int count)
86{
87 myRamCurrent.clear();
88 for(int i = 0; i < count; i++)
89 myRamCurrent.push_back(myCart.myRAM[start + i]);
90 return myRamCurrent;
91}
92
93// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
94void Cartridge4KSCWidget::internalRamSetValue(int addr, uInt8 value)
95{
96 myCart.myRAM[addr] = value;
97}
98
99// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
100uInt8 Cartridge4KSCWidget::internalRamGetValue(int addr)
101{
102 return myCart.myRAM[addr];
103}
104
105// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
106string Cartridge4KSCWidget::internalRamLabel(int addr)
107{
108 CartDebug& dbg = instance().debugger().cartDebug();
109 return dbg.getLabel(addr + 0xF080, false);
110}
111