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read calls now always return a known value

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Lauchmelder 2022-02-28 16:33:39 +01:00
parent 9f4cf7689b
commit 24101f97ec
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GPG key ID: C2403C69D78F011D
2 changed files with 6 additions and 0 deletions
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2
src/Bus.cpp
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@ -93,6 +93,8 @@ Byte Bus::ReadCPU(Word addr)
{
return cartridge.ReadCPU(addr);
}
return 0x00;
}
Byte Bus::ReadPPU(Word addr)

4
src/mappers/Mapper000.cpp
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@ -21,6 +21,8 @@ Byte Mapper000::ReadCPU(Word addr)
{
return PRG_ROM[addr & 0x03FFF];
}
return 0x00;
}
Byte Mapper000::ReadPPU(Word addr)
@ -29,6 +31,8 @@ Byte Mapper000::ReadPPU(Word addr)
{
return CHR_ROM[addr];
}
return 0x00;
}
void Mapper000::WriteCPU(Word addr, Byte val)