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added missing PlusROM code to CartBUS.cxx

This commit is contained in:
Thomas Jentzsch 2022-06-06 22:26:47 +02:00
parent cec3b76fb9
commit ac4801ffb3
1 changed files with 17 additions and 0 deletions
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17
src/emucore/CartBUS.cxx
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@ -78,6 +78,11 @@ CartridgeBUS::CartridgeBUS(const ByteBuffer& image, size_t size,
this);
this->setInitialState();
myPlusROM = make_unique<PlusROM>(mySettings, *this);
// Determine whether we have a PlusROM cart
myPlusROM->initialize(myImage, size);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -186,6 +191,14 @@ inline void CartridgeBUS::callFunction(uInt8 value)
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
uInt8 CartridgeBUS::peek(uInt16 address)
{
// Is this a PlusROM?
if(myPlusROM->isValid())
{
uInt8 value = 0;
if(myPlusROM->peekHotspot(address, value))
return value;
}
if(!(address & 0x1000)) // Hotspots below 0x1000
{
// Check for RAM or TIA mirroring
@ -340,6 +353,10 @@ uInt8 CartridgeBUS::peek(uInt16 address)
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool CartridgeBUS::poke(uInt16 address, uInt8 value)
{
// Is this a PlusROM?
if(myPlusROM->isValid() && myPlusROM->pokeHotspot(address, value))
return true;
if (!(address & 0x1000))
{
value &= busOverdrive(address);