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System: Support loading expansion ROMs

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This commit is contained in:
Connor McLaughlin
2019-09-23 01:28:00 +10:00
parent 5d1c12c9ad
commit 20f14688ca
8 changed files with 138 additions and 10 deletions
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18
src/pse/bus.inl
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@ -80,6 +80,15 @@ bool Bus::DispatchAccess(PhysicalMemoryAddress cpu_address, PhysicalMemoryAddres
{
return DoRAMAccess<type, size>(bus_address, value);
}
else if (bus_address < EXP1_BASE)
{
return DoInvalidAccess(type, size, cpu_address, bus_address, value);
}
else if (bus_address < (EXP1_BASE + EXP1_SIZE))
{
return (type == MemoryAccessType::Read) ? DoReadEXP1(size, bus_address & EXP1_MASK, value) :
DoWriteEXP1(size, bus_address & EXP1_MASK, value);
}
else if (bus_address < PAD_BASE)
{
return DoInvalidAccess(type, size, cpu_address, bus_address, value);
@ -89,6 +98,11 @@ bool Bus::DispatchAccess(PhysicalMemoryAddress cpu_address, PhysicalMemoryAddres
return (type == MemoryAccessType::Read) ? DoReadPad(size, bus_address & PAD_MASK, value) :
DoWritePad(size, bus_address & PAD_MASK, value);
}
else if (bus_address < (SIO_BASE + SIO_SIZE))
{
return (type == MemoryAccessType::Read) ? DoReadSIO(size, bus_address & SIO_MASK, value) :
DoWriteSIO(size, bus_address & SIO_MASK, value);
}
else if (bus_address < INTERRUPT_CONTROLLER_BASE)
{
return DoInvalidAccess(type, size, cpu_address, bus_address, value);
@ -150,8 +164,8 @@ bool Bus::DispatchAccess(PhysicalMemoryAddress cpu_address, PhysicalMemoryAddres
}
else if (bus_address < (EXP2_BASE + EXP2_SIZE))
{
return (type == MemoryAccessType::Read) ? ReadExpansionRegion2(size, bus_address & EXP2_MASK, value) :
WriteExpansionRegion2(size, bus_address & EXP2_MASK, value);
return (type == MemoryAccessType::Read) ? DoReadEXP2(size, bus_address & EXP2_MASK, value) :
DoWriteEXP2(size, bus_address & EXP2_MASK, value);
}
else if (bus_address < BIOS_BASE)
{