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Finished the Memory Map. I think the cartridge logic needs to be separated.

This commit is contained in:
brandman211 2012-07-31 01:39:47 +00:00
parent a0190e9135
commit 0d768ef710
1 changed files with 349 additions and 17 deletions
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366
BizHawk.Emulation/Consoles/Intellivision/MemoryMap.cs
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@ -27,7 +27,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
private ushort[] Executive_ROM = new ushort[4096]; // TODO: Intellivision II support?
private ushort[] Graphics_ROM = new ushort[2048];
private ushort[] Graphics_RAM = new ushort[512];
private ushort[] Cartridge = new ushort[23552]; // TODO: Resize as cartridge mapping grows.
private ushort[] Cartridge = new ushort[56320]; // TODO: Resize as cartridge mapping grows.
public ushort ReadMemory(ushort addr)
{
@ -144,7 +144,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0FFF) + 0x01C00];
core = Cartridge[(addr & 0x0FFF) + 0x1C00];
}
break;
case 0x5000:
@ -155,7 +155,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0014) + 0x02C00];
core = Cartridge[(addr & 0x0014) + 0x2C00];
}
else
{
@ -163,7 +163,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x1FFF) + 0x02C00];
core = Cartridge[(addr & 0x1FFF) + 0x2C00];
}
break;
case 0x7000:
@ -184,7 +184,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x07FF) + 0x04C00];
core = Cartridge[(addr & 0x07FF) + 0x4C00];
}
else if (addr <= 0x79FF)
{
@ -195,7 +195,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x09FF) + 0x04C00];
core = Cartridge[(addr & 0x09FF) + 0x4C00];
}
else if (addr <= 0x7BFF)
{
@ -206,7 +206,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0BFF) + 0x04C00];
core = Cartridge[(addr & 0x0BFF) + 0x4C00];
}
else if (addr <= 0x7DFF)
{
@ -217,7 +217,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0DFF) + 0x04C00];
core = Cartridge[(addr & 0x0DFF) + 0x4C00];
}
else
{
@ -228,7 +228,173 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0FFF) + 0x04C00];
core = Cartridge[(addr & 0x0FFF) + 0x4C00];
}
break;
case 0x8000:
if (addr <= 0x803F)
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (true)
{
// TODO: OK only during VBlank Period 1.
if (addr == 0x8021)
// TODO: Switch into Color Stack mode.
core = STIC_Registers[0x0021];
else
throw new ArgumentException(WRITE_ONLY_STIC);
}
else
core = Cartridge[(addr & 0x003F) + 0x5C00];
}
else
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0FFF) + 0x5C00];
}
break;
case 0x9000:
case 0xA000:
case 0xB000:
if (addr <= 0xB7FF)
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x27FF) + 0x6C00];
}
else if (addr <= 0xB9FF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x29FF) + 0x6C00];
}
else if (addr <= 0xBBFF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x2BFF) + 0x6C00];
}
else if (addr <= 0xBDFF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x2DFF) + 0x6C00];
}
else
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x2FFF) + 0x6C00];
}
break;
case 0xC000:
if (addr <= 0xC03F)
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (true)
{
// TODO: OK only during VBlank Period 1.
if (addr == 0xC021)
// TODO: Switch into Color Stack mode.
core = STIC_Registers[0x0021];
else
throw new ArgumentException(WRITE_ONLY_STIC);
}
else
core = Cartridge[(addr & 0x003F) + 0x9C00];
}
else
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0FFF) + 0x9C00];
}
break;
case 0xD000:
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0FFF) + 0xAC00];
break;
case 0xE000:
// TODO: Actually map cartridge (only if no ECS) RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0FFF) + 0xBC00];
break;
case 0xF000:
if (addr <= 0xF7FF)
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x07FF) + 0xCC00];
}
else if (addr <= 0xF9FF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x09FF) + 0xCC00];
}
else if (addr <= 0xFBFF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0BFF) + 0xCC00];
}
else if (addr <= 0xFDFF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0DFF) + 0xCC00];
}
else
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (false)
throw new ArgumentException(UNOCCUPIED_CART_READ);
else
core = Cartridge[(addr & 0x0FFF) + 0xCC00];
}
break;
default:
@ -346,7 +512,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x0FFF) + 0x01C00] = value;
Cartridge[(addr & 0x0FFF) + 0x1C00] = value;
}
break;
case 0x5000:
@ -360,14 +526,14 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x0014) + 0x02C00] = value;
Cartridge[(addr & 0x0014) + 0x2C00] = value;
}
else
{
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x1FFF) + 0x02C00] = value;
Cartridge[(addr & 0x1FFF) + 0x2C00] = value;
}
break;
case 0x7000:
@ -388,7 +554,7 @@ namespace BizHawk.Emulation.Consoles.Intellivision
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x07FF) + 0x04C00] = value;
Cartridge[(addr & 0x07FF) + 0x4C00] = value;
}
else if (addr <= 0x79FF)
{
@ -397,9 +563,10 @@ namespace BizHawk.Emulation.Consoles.Intellivision
which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x09FF) + 0x04C00] = value;
Cartridge[(addr & 0x09FF) + 0x4C00] = value;
}
else if (addr <= 0x7BFF)
{
@ -408,9 +575,10 @@ namespace BizHawk.Emulation.Consoles.Intellivision
which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x0BFF) + 0x04C00] = value;
Cartridge[(addr & 0x0BFF) + 0x4C00] = value;
}
else if (addr <= 0x7DFF)
{
@ -419,9 +587,10 @@ namespace BizHawk.Emulation.Consoles.Intellivision
which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x0DFF) + 0x04C00] = value;
Cartridge[(addr & 0x0DFF) + 0x4C00] = value;
}
else
{
@ -430,9 +599,172 @@ namespace BizHawk.Emulation.Consoles.Intellivision
which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x0FFF) + 0x04C00] = value;
Cartridge[(addr & 0x0FFF) + 0x4C00] = value;
}
break;
case 0x8000:
if (addr <= 0x803F)
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (true)
// TODO: OK only during VBlank Period 1.
STIC_Registers[addr & 0x003F] = value;
else
Cartridge[(addr & 0x003F) + 0x5C00] = value;
}
else
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x0FFF) + 0x5C00] = value;
}
break;
case 0x9000:
case 0xA000:
case 0xB000:
if (addr <= 0xB7FF)
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x27FF) + 0x6C00] = value;
}
else if (addr <= 0xB9FF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x29FF) + 0x6C00] = value;
}
else if (addr <= 0xBBFF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x2BFF) + 0x6C00] = value;
}
else if (addr <= 0xBDFF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x2DFF) + 0x6C00] = value;
}
else
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x2FFF) + 0x6C00] = value;
}
break;
case 0xC000:
if (addr <= 0x803F)
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (true)
// TODO: OK only during VBlank Period 1.
STIC_Registers[addr & 0x003F] = value;
else
Cartridge[(addr & 0x003F) + 0x9C00] = value;
}
else
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x0FFF) + 0x9C00] = value;
}
break;
case 0xD000:
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x0FFF) + 0xAC00] = value;
break;
case 0xE000:
// TODO: Actually map cartridge (only if no ECS) RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x0FFF) + 0xBC00] = value;
break;
case 0xF000:
if (addr <= 0xF7FF)
{
// TODO: Actually map cartridge RAM / ROM to decide which path to take.
if (false)
throw new ArgumentException(UNOCCUPIED_CART_WRITE);
else
Cartridge[(addr & 0x07FF) + 0xCC00] = value;
}
else if (addr <= 0xF9FF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x09FF) + 0xCC00] = value;
}
else if (addr <= 0xFBFF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x0BFF) + 0xCC00] = value;
}
else if (addr <= 0xFDFF)
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x0DFF) + 0xCC00] = value;
}
else
{
/*
TODO: Actually map cartridge RAM (Do not because of GRAM alias) / ROM to decide which path to take.
*/
if (true)
// TODO: OK only during VBlank Period 2.
Graphics_RAM[addr & 0x01FF] = value;
else
Cartridge[(addr & 0x0FFF) + 0xCC00] = value;
}
break;
default: