mirror of https://github.com/stella-emu/stella.git
193 lines
6.1 KiB
C++
193 lines
6.1 KiB
C++
//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2014 by Bradford W. Mott, Stephen Anthony
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// and the Stella Team
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//
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// See the file "License.txt" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id$
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//============================================================================
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#include "CartE7.hxx"
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#include "PopUpWidget.hxx"
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#include "CartE7Widget.hxx"
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static const char* spot_lower[] = {
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"0 - ROM ($FE0)", "1 - ROM ($FE1)", "2 - ROM ($FE2)", "3 - ROM ($FE3)",
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"4 - ROM ($FE4)", "5 - ROM ($FE5)", "6 - ROM ($FE6)", "7 - RAM ($FE7)"
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};
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static const char* spot_upper[] = {
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"0 - RAM ($FE8)", "1 - RAM ($FE9)", "2 - RAM ($FEA)", "3 - RAM ($FEB)"
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};
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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CartridgeE7Widget::CartridgeE7Widget(
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GuiObject* boss, const GUI::Font& lfont, const GUI::Font& nfont,
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int x, int y, int w, int h, CartridgeE7& cart)
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: CartDebugWidget(boss, lfont, nfont, x, y, w, h),
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myCart(cart)
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{
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uInt32 size = 8 * 2048;
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ostringstream info;
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info << "E7 cartridge, 8 2K slices ROM + 2 1K RAM\n"
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<< "Lower 2K accessible @ $F000 - $F7FF\n"
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<< " Slice 0 - 6 of ROM (hotspots $FE0 to $FE6)\n"
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<< " Slice 0 (1K) of RAM (hotspot $FE7)\n"
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<< " $F400 - $F7FF (R), $F000 - $F3FF (W)\n"
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<< "256B RAM accessible @ $F800 - $F9FF\n"
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<< " Hotspots $FE8 - $FEB (256B of RAM slice 1)\n"
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<< " $F900 - $F9FF (R), $F800 - $F8FF (W)\n"
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<< "Upper 1.5K ROM accessible @ $FA00 - $FFFF\n"
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<< " Always points to last 1.5K of ROM\n"
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<< "Startup slices = " << cart.myStartBank << " / 0\n";
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#if 0
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// Eventually, we should query this from the debugger/disassembler
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uInt16 start = (cart.myImage[size-3] << 8) | cart.myImage[size-4];
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start -= start % 0x1000;
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info << "Bank RORG" << " = $" << HEX4 << start << "\n";
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#endif
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int xpos = 10,
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ypos = addBaseInformation(size, "M-Network", info.str(), 15) +
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myLineHeight;
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VariantList items0, items1;
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for(int i = 0; i < 8; ++i)
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VList::push_back(items0, spot_lower[i]);
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for(int i = 0; i < 4; ++i)
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VList::push_back(items1, spot_upper[i]);
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const int lwidth = _font.getStringWidth("Set slice for upper 256B: "),
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fwidth = _font.getStringWidth("3 - RAM ($FEB)");
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myLower2K =
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new PopUpWidget(boss, _font, xpos, ypos-2, fwidth, myLineHeight, items0,
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"Set slice for lower 2K: ", lwidth, kLowerChanged);
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myLower2K->setTarget(this);
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addFocusWidget(myLower2K);
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ypos += myLower2K->getHeight() + 4;
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myUpper256B =
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new PopUpWidget(boss, _font, xpos, ypos-2, fwidth, myLineHeight, items1,
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"Set slice for upper 256B: ", lwidth, kUpperChanged);
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myUpper256B->setTarget(this);
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addFocusWidget(myUpper256B);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeE7Widget::saveOldState()
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{
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myOldState.internalram.clear();
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for(uInt32 i = 0; i < this->internalRamSize();i++)
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{
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myOldState.internalram.push_back(myCart.myRAM[i]);
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}
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeE7Widget::loadConfig()
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{
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myLower2K->setSelectedIndex(myCart.myCurrentSlice[0]);
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myUpper256B->setSelectedIndex(myCart.myCurrentRAM);
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CartDebugWidget::loadConfig();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeE7Widget::handleCommand(CommandSender* sender,
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int cmd, int data, int id)
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{
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myCart.unlockBank();
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switch(cmd)
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{
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case kLowerChanged:
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myCart.bank(myLower2K->getSelected());
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break;
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case kUpperChanged:
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myCart.bankRAM(myUpper256B->getSelected());
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break;
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}
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myCart.lockBank();
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invalidate();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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string CartridgeE7Widget::bankState()
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{
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ostringstream& buf = buffer();
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buf << "Slices: " << dec
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<< spot_lower[myCart.myCurrentSlice[0]] << " / "
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<< spot_upper[myCart.myCurrentRAM];
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return buf.str();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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uInt32 CartridgeE7Widget::internalRamSize()
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{
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return 2048;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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uInt32 CartridgeE7Widget::internalRamRPort(int start)
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{
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return 0x0000 + start;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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string CartridgeE7Widget::internalRamDescription()
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{
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ostringstream desc;
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desc << "First 1K accessible via:\n"
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<< " $F000 - $F3FF used for Write Access\n"
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<< " $F400 - $F7FF used for Read Access\n"
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<< "256K of second 1K accessible via:\n"
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<< " $F800 - $F8FF used for Write Access\n"
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<< " $F900 - $F9FF used for Read Access" ;
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return desc.str();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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const ByteArray& CartridgeE7Widget::internalRamOld(int start, int count)
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{
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myRamOld.clear();
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for(int i = 0; i < count; i++)
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myRamOld.push_back(myOldState.internalram[start + i]);
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return myRamOld;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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const ByteArray& CartridgeE7Widget::internalRamCurrent(int start, int count)
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{
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myRamCurrent.clear();
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for(int i = 0; i < count; i++)
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myRamCurrent.push_back(myCart.myRAM[start + i]);
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return myRamCurrent;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeE7Widget::internalRamSetValue(int addr, uInt8 value)
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{
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myCart.myRAM[addr] = value;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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uInt8 CartridgeE7Widget::internalRamGetValue(int addr)
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{
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return myCart.myRAM[addr];
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}
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