Slight cleanup of the System::PageAccess API. Since all c'tor calls will

*always* pass in 0,0,0 for the various bases, it is redundant to pass that
data in on each invocation.  So now the c'tor does it automatically.


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@2959 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba

src/emucore/Cart0840.cxx

@@ -69,8 +69,7 @@ void Cartridge0840::install(System& system)
   myHotSpotPageAccess[7] = mySystem->getPageAccess(0x0F00 >> shift);
 
   // Set the page accessing methods for the hot spots
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
-
   for(uInt32 i = 0x0800; i < 0x0FFF; i += (1 << shift))
     mySystem->setPageAccess(i >> shift, access);
 
@@ -154,7 +153,7 @@ bool Cartridge0840::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map ROM image into the system
   for(uInt32 address = 0x1000; address < 0x2000; address += (1 << shift))

src/emucore/Cart2K.cxx

@@ -77,7 +77,7 @@ void Cartridge2K::install(System& system)
   assert((0x1000 & mask) == 0);
 
   // Map ROM image into the system
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   for(uInt32 address = 0x1000; address < 0x2000; address += (1 << shift))
   {

src/emucore/Cart3E.cxx

@@ -71,7 +71,7 @@ void Cartridge3E::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert((0x1800 & mask) == 0);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READWRITE);
+  System::PageAccess access(this, System::PA_READWRITE);
 
   // Set the page accessing methods for the hot spots (for 100% emulation
   // we need to chain any accesses below 0x40 to the TIA. Our poke() method
@@ -176,7 +176,7 @@ bool Cartridge3E::bank(uInt16 bank)
     uInt16 shift = mySystem->pageShift();
   
     // Setup the page access methods for the current bank
-    System::PageAccess access(0, 0, 0, this, System::PA_READ);
+    System::PageAccess access(this, System::PA_READ);
 
     // Map ROM image into the system
     for(uInt32 address = 0x1000; address < 0x1800; address += (1 << shift))
@@ -197,7 +197,7 @@ bool Cartridge3E::bank(uInt16 bank)
     uInt32 address;
   
     // Setup the page access methods for the current bank
-    System::PageAccess access(0, 0, 0, this, System::PA_READ);
+    System::PageAccess access(this, System::PA_READ);
 
     // Map read-port RAM image into the system
     for(address = 0x1000; address < 0x1400; address += (1 << shift))

src/emucore/Cart3F.cxx

@@ -64,7 +64,7 @@ void Cartridge3F::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert((0x1800 & mask) == 0);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READWRITE);
+  System::PageAccess access(this, System::PA_READWRITE);
 
   // Set the page accessing methods for the hot spots (for 100% emulation
   // we need to chain any accesses below 0x40 to the TIA. Our poke() method
@@ -142,7 +142,7 @@ bool Cartridge3F::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map ROM image into the system
   for(uInt32 address = 0x1000; address < 0x1800; address += (1 << shift))

src/emucore/Cart4A50.cxx

@@ -84,7 +84,7 @@ void Cartridge4A50::install(System& system)
   assert((0x1000 & mask) == 0);
 
   // Map all of the accesses to call peek and poke (We don't yet indicate RAM areas)
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   for(uInt32 i = 0x1000; i < 0x2000; i += (1 << shift))
     mySystem->setPageAccess(i >> shift, access);

src/emucore/Cart4K.cxx

@@ -53,7 +53,7 @@ void Cartridge4K::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert((0x1000 & mask) == 0);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map ROM image into the system
   for(uInt32 address = 0x1000; address < 0x2000; address += (1 << shift))

src/emucore/Cart4KSC.cxx

@@ -59,7 +59,7 @@ void Cartridge4KSC::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert(((0x1080 & mask) == 0) && ((0x1100 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing method for the RAM writing pages
   access.type = System::PA_WRITE;

src/emucore/CartAR.cxx

@@ -105,7 +105,7 @@ void CartridgeAR::install(System& system)
   assert((0x1000 & mask) == 0);
 
   // Map all of the accesses to call peek and poke (we don't yet indicate RAM areas)
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   for(uInt32 i = 0x1000; i < 0x2000; i += (1 << shift))
     mySystem->setPageAccess(i >> shift, access);

src/emucore/CartBF.cxx

@@ -94,7 +94,7 @@ bool CartridgeBF::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1F80 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartBFSC.cxx

@@ -64,7 +64,7 @@ void CartridgeBFSC::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert((0x1000 & mask) == 0);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing method for the RAM writing pages
   access.type = System::PA_WRITE;
@@ -142,7 +142,7 @@ bool CartridgeBFSC::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1F80 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartCM.cxx

@@ -121,7 +121,7 @@ bool CartridgeCM::bank(uInt16 bank)
   // The upper 2K of cart address space can point to either the 2K of RAM or
   // the upper 2K of the current ROM bank
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Lower 2K (always ROM)
   for(uInt32 address = 0x1000; address < 0x1800; address += (1 << shift))

src/emucore/CartCTY.cxx

@@ -92,7 +92,7 @@ void CartridgeCTY::install(System& system)
   assert(((0x1000 & mask) == 0) && ((0x1080 & mask) == 0));
 
   // Map all RAM accesses to call peek and poke
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
   for(uInt32 i = 0x1000; i < 0x1080; i += (1 << shift))
     mySystem->setPageAccess(i >> shift, access);
 
@@ -255,7 +255,7 @@ bool CartridgeCTY::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
   for(uInt32 address = 0x1080; address < 0x2000; address += (1 << shift))
   {
     access.codeAccessBase = &myCodeAccessBase[myCurrentBank + (address & 0x0FFF)];

src/emucore/CartCV.cxx

@@ -87,7 +87,7 @@ void CartridgeCV::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert((0x1800 & mask) == 0);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map ROM image into the system
   for(uInt32 address = 0x1800; address < 0x2000; address += (1 << shift))

src/emucore/CartDASH.cxx

@@ -81,7 +81,7 @@ void CartridgeDASH::install(System& system) {
   // Make sure the system we're being installed in has a page size that'll work
   assert((0x1800 & mask) == 0);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READWRITE);
+  System::PageAccess access(this, System::PA_READWRITE);
 
   // Set the page accessing methods for the hot spots (for 100% emulation
   // we need to chain any accesses below 0x40 to the TIA. Our poke() method
@@ -180,7 +180,7 @@ bool CartridgeDASH::bankRAM(uInt8 bank) {
   bankInUse[bankNumber] = bankInUse[bankNumber + 4] = (Int16) (BITMASK_ROMRAM | currentBank); // Record which bank switched in (marked as RAM)
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   uInt32 startCurrentBank = currentBank << RAM_BANK_TO_POWER;       // Effectively * 512 bytes
   uInt32 base = 0x1000 + startCurrentBank;
@@ -228,7 +228,7 @@ bool CartridgeDASH::bankROM(uInt8 bank) {
     uInt32 startCurrentBank = currentBank << ROM_BANK_TO_POWER;     // Effectively *1K
 
     // Setup the page access methods for the current bank
-    System::PageAccess access(0, 0, 0, this, System::PA_READ);
+    System::PageAccess access(this, System::PA_READ);
 
     uInt32 base = 0x1000 + (bankNumber << ROM_BANK_TO_POWER);
     for (uInt32 address = base; address < base + ROM_BANK_SIZE; address += (1 << shift)) {

src/emucore/CartDF.cxx

@@ -94,7 +94,7 @@ bool CartridgeDF::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FC0 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartDFSC.cxx

@@ -64,7 +64,7 @@ void CartridgeDFSC::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert((0x1000 & mask) == 0);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing method for the RAM writing pages
   access.type = System::PA_WRITE;
@@ -142,7 +142,7 @@ bool CartridgeDFSC::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FC0 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartDPC.cxx

@@ -91,7 +91,7 @@ void CartridgeDPC::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert(((0x1080 & mask) == 0) && ((0x1100 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READWRITE);
+  System::PageAccess access(this, System::PA_READWRITE);
 
   // Set the page accessing method for the DPC reading & writing pages
   for(uInt32 j = 0x1000; j < 0x1080; j += (1 << shift))
@@ -418,7 +418,7 @@ bool CartridgeDPC::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF8 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartDPCPlus.cxx

@@ -134,7 +134,7 @@ void CartridgeDPCPlus::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert(((0x1080 & mask) == 0) && ((0x1100 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map all of the accesses to call peek and poke
   for(uInt32 i = 0x1000; i < 0x1080; i += (1 << shift))
@@ -610,7 +610,7 @@ bool CartridgeDPCPlus::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map Program ROM image into the system
   for(uInt32 address = 0x1080; address < 0x2000; address += (1 << shift))

src/emucore/CartE0.cxx

@@ -59,7 +59,7 @@ void CartridgeE0::install(System& system)
   assert(((0x1000 & mask) == 0) && ((0x1400 & mask) == 0) &&
       ((0x1800 & mask) == 0) && ((0x1C00 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page acessing methods for the first part of the last segment
   for(uInt32 i = 0x1C00; i < (0x1FE0U & ~mask); i += (1 << shift))
@@ -137,7 +137,7 @@ void CartridgeE0::segmentZero(uInt16 slice)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   for(uInt32 address = 0x1000; address < 0x1400; address += (1 << shift))
   {
@@ -159,7 +159,7 @@ void CartridgeE0::segmentOne(uInt16 slice)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   for(uInt32 address = 0x1400; address < 0x1800; address += (1 << shift))
   {
@@ -181,7 +181,7 @@ void CartridgeE0::segmentTwo(uInt16 slice)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   for(uInt32 address = 0x1800; address < 0x1C00; address += (1 << shift))
   {

src/emucore/CartE7.cxx

@@ -68,7 +68,7 @@ void CartridgeE7::install(System& system)
   assert(((0x1400 & mask) == 0) && ((0x1800 & mask) == 0) &&
       ((0x1900 & mask) == 0) && ((0x1A00 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FE0 & ~mask); i < 0x2000; i += (1 << shift))
@@ -169,7 +169,7 @@ void CartridgeE7::bankRAM(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_WRITE);
+  System::PageAccess access(this, System::PA_WRITE);
 
   // Set the page accessing method for the 256 bytes of RAM writing pages
   for(uInt32 j = 0x1800; j < 0x1900; j += (1 << shift))
@@ -204,7 +204,7 @@ bool CartridgeE7::bank(uInt16 slice)
   // Setup the page access methods for the current bank
   if(slice != 7)
   {
-    System::PageAccess access(0, 0, 0, this, System::PA_READ);
+    System::PageAccess access(this, System::PA_READ);
 
     // Map ROM image into first segment
     for(uInt32 address = 0x1000; address < 0x1800; address += (1 << shift))
@@ -216,7 +216,7 @@ bool CartridgeE7::bank(uInt16 slice)
   }
   else
   {
-    System::PageAccess access(0, 0, 0, this, System::PA_WRITE);
+    System::PageAccess access(this, System::PA_WRITE);
 
     // Set the page accessing method for the 1K slice of RAM writing pages
     for(uInt32 j = 0x1000; j < 0x1400; j += (1 << shift))

src/emucore/CartEF.cxx

@@ -94,7 +94,7 @@ bool CartridgeEF::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FE0 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartEFSC.cxx

@@ -64,7 +64,7 @@ void CartridgeEFSC::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert((0x1000 & mask) == 0);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing method for the RAM writing pages
   access.type = System::PA_WRITE;
@@ -142,7 +142,7 @@ bool CartridgeEFSC::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FE0 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartF0.cxx

@@ -97,7 +97,7 @@ void CartridgeF0::incbank()
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF0 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartF4.cxx

@@ -99,7 +99,7 @@ bool CartridgeF4::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF4 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartF4SC.cxx

@@ -64,7 +64,7 @@ void CartridgeF4SC::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert(((0x1080 & mask) == 0) && ((0x1100 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing method for the RAM writing pages
   access.type = System::PA_WRITE;
@@ -145,7 +145,7 @@ bool CartridgeF4SC::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF4 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartF6.cxx

@@ -139,7 +139,7 @@ bool CartridgeF6::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF6 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartF6SC.cxx

@@ -64,7 +64,7 @@ void CartridgeF6SC::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert(((0x1080 & mask) == 0) && ((0x1100 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing method for the RAM writing pages
   access.type = System::PA_WRITE;
@@ -188,7 +188,7 @@ bool CartridgeF6SC::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF6 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartF8.cxx

@@ -127,7 +127,7 @@ bool CartridgeF8::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF8 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartF8SC.cxx

@@ -64,7 +64,7 @@ void CartridgeF8SC::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert(((0x1080 & mask) == 0) && ((0x1100 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing method for the RAM writing pages
   access.type = System::PA_WRITE;
@@ -168,7 +168,7 @@ bool CartridgeF8SC::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF8 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartFA.cxx

@@ -64,7 +64,7 @@ void CartridgeFA::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert(((0x1100 & mask) == 0) && ((0x1200 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing method for the RAM writing pages
   access.type = System::PA_WRITE;
@@ -178,7 +178,7 @@ bool CartridgeFA::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF8 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartFA2.cxx

@@ -80,7 +80,7 @@ void CartridgeFA2::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert(((0x1100 & mask) == 0) && ((0x1200 & mask) == 0));
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing method for the RAM writing pages
   access.type = System::PA_WRITE;
@@ -248,7 +248,7 @@ bool CartridgeFA2::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
   uInt16 mask = mySystem->pageMask();
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = (0x1FF4 & ~mask); i < 0x2000; i += (1 << shift))

src/emucore/CartFE.cxx

@@ -63,7 +63,7 @@ void CartridgeFE::install(System& system)
   // Make sure the system we're being installed in has a page size that'll work
   assert((0x1000 & mask) == 0);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map all of the accesses to call peek and poke
   for(uInt32 i = 0x1000; i < 0x2000; i += (1 << shift))

src/emucore/CartMC.cxx

@@ -82,7 +82,7 @@ void CartridgeMC::install(System& system)
   // TODO: These TIA accesses may need to be chained, however, at this
   //       point Chris isn't sure if the hardware will allow it or not
   //
-  System::PageAccess access(0, 0, 0, this, System::PA_READWRITE);
+  System::PageAccess access(this, System::PA_READWRITE);
 
   for(uInt32 i = 0x00; i < 0x40; i += (1 << shift))
     mySystem->setPageAccess(i >> shift, access);

src/emucore/CartSB.cxx

@@ -74,7 +74,7 @@ void CartridgeSB::install(System& system)
   myHotSpotPageAccess[6] = mySystem->getPageAccess(0x0E00 >> shift);
   myHotSpotPageAccess[7] = mySystem->getPageAccess(0x0F00 >> shift);
 
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Set the page accessing methods for the hot spots
   for(uInt32 i = 0x0800; i < 0x0FFF; i += (1 << shift))
@@ -134,7 +134,7 @@ bool CartridgeSB::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map ROM image into the system
   for(uInt32 address = 0x1000; address < 0x2000; address += (1 << shift))

src/emucore/CartUA.cxx

@@ -62,7 +62,7 @@ void CartridgeUA::install(System& system)
   myHotSpotPageAccess = mySystem->getPageAccess(0x0220 >> shift);
 
   // Set the page accessing methods for the hot spots
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
   mySystem->setPageAccess(0x0220 >> shift, access);
   mySystem->setPageAccess(0x0240 >> shift, access);
 
@@ -142,7 +142,7 @@ bool CartridgeUA::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map ROM image into the system
   for(uInt32 address = 0x1000; address < 0x2000; address += (1 << shift))

src/emucore/CartX07.cxx

@@ -62,7 +62,7 @@ void CartridgeX07::install(System& system)
   // Set the page accessing methods for the hot spots
   // The hotspots use almost all addresses below 0x1000, so we simply grab them
   // all and forward the TIA/RIOT calls from the peek and poke methods.
-  System::PageAccess access(0, 0, 0, this, System::PA_READWRITE);
+  System::PageAccess access(this, System::PA_READWRITE);
   for(uInt32 i = 0x00; i < 0x1000; i += (1 << shift))
     mySystem->setPageAccess(i >> shift, access);
 
@@ -126,7 +126,7 @@ bool CartridgeX07::bank(uInt16 bank)
   uInt16 shift = mySystem->pageShift();
 
   // Setup the page access methods for the current bank
-  System::PageAccess access(0, 0, 0, this, System::PA_READ);
+  System::PageAccess access(this, System::PA_READ);
 
   // Map ROM image into the system
   for(uInt32 address = 0x1000; address < 0x2000; address += (1 << shift))

src/emucore/M6532.cxx

@@ -123,7 +123,7 @@ void M6532::install(System& system, Device& device)
   assert((0x1080 & mask) == 0);
   
   // All accesses are to the given device
-  System::PageAccess access(0, 0, 0, &device, System::PA_READWRITE);
+  System::PageAccess access(&device, System::PA_READWRITE);
 
   // We're installing in a 2600 system
   for(int address = 0; address < 8192; address += (1 << shift))

src/emucore/System.cxx

@@ -51,10 +51,7 @@ System::System(uInt16 n, uInt16 m)
   myPageIsDirtyTable = new bool[myNumberOfPages];
 
   // Initialize page access table
-  PageAccess access;
+  PageAccess access(&myNullDevice, System::PA_READ);
-  access.directPeekBase = 0;
-  access.directPokeBase = 0;
-  access.device = &myNullDevice;
   for(int page = 0; page < myNumberOfPages; ++page)
   {
     setPageAccess(page, access);

src/emucore/System.hxx

@@ -115,7 +115,7 @@ class System : public Serializable
 
       @return The attached 6502 microprocessor
     */
-    M6502& m6502() { return *myM6502; }
+    M6502& m6502() const { return *myM6502; }
 
     /**
       Answer the 6532 processor attached to the system.  If a
@@ -123,21 +123,21 @@ class System : public Serializable
 
       @return The attached 6532 microprocessor
     */
-    M6532& m6532() { return *myM6532; }
+    M6532& m6532() const { return *myM6532; }
 
     /**
       Answer the TIA device attached to the system.
 
       @return The attached TIA device
     */
-    TIA& tia() { return *myTIA; }
+    TIA& tia() const { return *myTIA; }
 
     /**
       Answer the random generator attached to the system.
 
       @return The random generator
     */
-    Random& randGenerator() { return *myRandom; }
+    Random& randGenerator() const { return *myRandom; }
 
     /**
       Get the null device associated with the system.  Every system 
@@ -337,11 +337,10 @@ class System : public Serializable
           device(0),
           type(System::PA_READ) { }
 
-      PageAccess(uInt8* peek, uInt8* poke, uInt8* code, Device* dev,
+      PageAccess(Device* dev, PageAccessType access)
-                 PageAccessType access)
+        : directPeekBase(0),
-        : directPeekBase(peek),
+          directPokeBase(0),
-          directPokeBase(poke),
+          codeAccessBase(0),
-          codeAccessBase(code),
           device(dev),
           type(access) { }
     };

src/emucore/TIA.cxx

@@ -256,7 +256,7 @@ void TIA::install(System& system, Device& device)
   mySystem->resetCycles();
 
   // All accesses are to the given device
-  System::PageAccess access(0, 0, 0, &device, System::PA_READWRITE);
+  System::PageAccess access(&device, System::PA_READWRITE);
 
   // We're installing in a 2600 system
   for(uInt32 i = 0; i < 8192; i += (1 << shift))