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Finished changes to 4A50 class so it compiles again. It's still not 

working though.  I think there still needs to be TIA/RIOT chained from
the peek/poke methods.


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1395 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
This commit is contained in:
stephena 2008-01-24 23:43:24 +00:00
parent 41ad0de1fb
commit f0c75eb1ff
2 changed files with 19 additions and 6 deletions
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15
stella/src/emucore/Cart4A50.cxx
View File

@ -13,13 +13,14 @@
// See the file "license" for information on usage and redistribution of // See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES. // this file, and for a DISCLAIMER OF ALL WARRANTIES.
// //
// $Id: Cart4A50.cxx,v 1.7 2008-01-24 20:43:41 stephena Exp $ // $Id: Cart4A50.cxx,v 1.8 2008-01-24 23:43:24 stephena Exp $
//============================================================================ //============================================================================
#include <cassert> #include <cassert>
#include "Random.hxx" #include "Random.hxx"
#include "System.hxx" #include "System.hxx"
#include "TIA.hxx"
#include "Cart4A50.hxx" #include "Cart4A50.hxx"
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -83,7 +84,7 @@ uInt8 Cartridge4A50::peek(uInt16 address)
if(!(address & 0x1000)) if(!(address & 0x1000))
{ {
// ReadHardware(); // ReadHardware();
bank(address); checkBankSwitch(address, 0);
} }
else else
{ {
@ -126,7 +127,7 @@ void Cartridge4A50::poke(uInt16 address, uInt8 value)
if(!(address & 0x1000)) if(!(address & 0x1000))
{ {
// WriteHardware(); // WriteHardware();
bank(address); checkBankSwitch(address, value);
} }
else else
{ {
@ -158,7 +159,7 @@ void Cartridge4A50::poke(uInt16 address, uInt8 value)
} }
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void Cartridge4A50::bank(uInt16 address) void Cartridge4A50::checkBankSwitch(uInt16 address, uInt8 value)
{ {
// Not bankswitching in the normal sense // Not bankswitching in the normal sense
// This scheme contains so many hotspots that it's easier to just check // This scheme contains so many hotspots that it's easier to just check
@ -249,6 +250,12 @@ void Cartridge4A50::bank(uInt16 address)
} }
} }
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void Cartridge4A50::bank(uInt16)
{
// Doesn't support bankswitching in the normal sense
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
int Cartridge4A50::bank() int Cartridge4A50::bank()
{ {

10
stella/src/emucore/Cart4A50.hxx
View File

@ -13,7 +13,7 @@
// See the file "license" for information on usage and redistribution of // See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES. // this file, and for a DISCLAIMER OF ALL WARRANTIES.
// //
// $Id: Cart4A50.hxx,v 1.8 2008-01-24 20:43:41 stephena Exp $ // $Id: Cart4A50.hxx,v 1.9 2008-01-24 23:43:24 stephena Exp $
//============================================================================ //============================================================================
#ifndef CARTRIDGE4A50_HXX #ifndef CARTRIDGE4A50_HXX
@ -37,7 +37,7 @@ class System;
bytes of ROM. bytes of ROM.
@author Stephen Anthony @author Stephen Anthony
@version $Id: Cart4A50.hxx,v 1.8 2008-01-24 20:43:41 stephena Exp $ @version $Id: Cart4A50.hxx,v 1.9 2008-01-24 23:43:24 stephena Exp $
*/ */
class Cartridge4A50 : public Cartridge class Cartridge4A50 : public Cartridge
{ {
@ -143,6 +143,12 @@ class Cartridge4A50 : public Cartridge
*/ */
virtual void poke(uInt16 address, uInt8 value); virtual void poke(uInt16 address, uInt8 value);
private:
/**
Check all possible hotspots
*/
void checkBankSwitch(uInt16 address, uInt8 value);
private: private:
// The 64K ROM image of the cartridge // The 64K ROM image of the cartridge
uInt8 myImage[65536]; uInt8 myImage[65536];