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Intellivision clean up Cartridge

This commit is contained in:
alyosha-tas 2016-12-19 10:58:22 -05:00 committed by GitHub
parent 97a8430f5d
commit 824112bc0d
1 changed files with 0 additions and 280 deletions
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280
BizHawk.Emulation.Cores/Consoles/Intellivision/Cartridge.cs
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@ -27,19 +27,6 @@ namespace BizHawk.Emulation.Cores.Intellivision
public int Parse(byte[] Rom)
{
/*
// TODO: Determine which loading method, if either, is correct.
int index = 0;
// Combine every two bytes into a word.
while (index + 1 < Rom.Length)
{
Data[(index / 2) + 0x2C00] = (ushort)((Rom[index++] << 8) | Rom[index++]);
}
/*
for (int index = 0; index < Rom.Length; index++)
Data[index + 0x2C00] = Rom[index];
*/
// Combine every two bytes into a word.
int index = 0;
@ -61,7 +48,6 @@ namespace BizHawk.Emulation.Cores.Intellivision
if (!dict.ContainsKey("board"))
throw new Exception("INTV gamedb entries must have a board identifier!");
s_mapper = dict["board"];
Console.WriteLine(mapper);
}
else
{
@ -233,271 +219,5 @@ namespace BizHawk.Emulation.Cores.Intellivision
}
return false;
}
/*
public ushort? ReadCart(ushort addr)
{
// TODO: Check if address is RAM / ROM.
int dest;
switch (addr & 0xF000)
{
case 0x0000:
dest = addr - 0x0400;
if (addr <= 0x03FF)
{
break;
}
else if (addr <= 0x04FF)
{
// OK on all but Intellivision 2.
return Data[dest];
}
else if (addr <= 0x06FF)
{
return Data[dest];
}
else if (addr <= 0x0CFF)
{
// OK if no Intellivoice.
return Data[dest];
}
else
{
return Data[dest];
}
case 0x2000:
dest = (addr - 0x2000) + 0x0C00;
// OK if no ECS.
return Data[dest];
case 0x4000:
dest = (addr - 0x4000) + 0x1C00;
if (addr <= 0x47FF)
{
// OK if no ECS.
return Data[dest];
}
else if (addr == 0x4800)
{
// return Data[dest];
// For now, assume unmapped. TODO: Fix.
return null;
}
else
{
return Data[dest];
}
case 0x5000:
case 0x6000:
dest = (addr - 0x5000) + 0x2C00;
if (addr <= 0x5014)
{
return Data[dest];
}
else
{
return Data[dest];
}
case 0x7000:
dest = (addr - 0x7000) + 0x4C00;
if (addr == 0x7000)
{
// OK if no ECS.
// return Data[dest];
// For now, assume unmapped. TODO: Fix.
return null;
}
else if (addr <= 0x77FF)
{
// OK if no ECS.
return Data[dest];
}
else
{
// OK if no ECS.
return Data[dest];
}
case 0x8000:
dest = (addr - 0x8000) + 0x5C00;
// OK. Avoid STIC alias at $8000-$803F.
return Data[dest];
case 0x9000:
case 0xA000:
case 0xB000:
dest = (addr - 0x9000) + 0x6C00;
if (addr <= 0xB7FF)
{
return Data[dest];
}
else
{
return Data[dest];
}
case 0xC000:
dest = (addr - 0xC000) + 0x9C00;
// OK. Avoid STIC alias at $C000-$C03F.
return Data[dest];
case 0xD000:
dest = (addr - 0xD000) + 0xAC00;
return Data[dest];
case 0xE000:
dest = (addr - 0xE000) + 0xBC00;
// OK if no ECS.
return Data[dest];
case 0xF000:
dest = (addr - 0xF000) + 0xCC00;
if (addr <= 0xF7FF)
{
return Data[dest];
}
else
{
return Data[dest];
}
}
return null;
}
public bool WriteCart(ushort addr, ushort value)
{
int dest;
// TODO: Check if address is RAM / ROM.
switch (addr & 0xF000)
{
case 0x0000:
dest = addr - 0x0400;
if (addr <= 0x03FF)
{
break;
}
else if (addr <= 0x04FF)
{
// OK on all but Intellivision 2.
Data[dest] = value;
return true;
}
else if (addr <= 0x06FF)
{
Data[dest] = value;
return true;
}
else if (addr <= 0x0CFF)
{
// OK if no Intellivoice.
Data[dest] = value;
return true;
}
else
{
Data[dest] = value;
return true;
}
case 0x2000:
dest = (addr - 0x2000) + 0x0C00;
// OK if no ECS.
Data[dest] = value;
return true;
case 0x4000:
dest = (addr - 0x4000) + 0x1C00;
if (addr <= 0x47FF)
{
// OK if no ECS.
Data[dest] = value;
return true;
}
else if (addr == 0x4800)
{
// OK only if boot ROM at $7000.
Data[dest] = value;
return true;
}
else
{
Data[dest] = value;
return true;
}
case 0x5000:
case 0x6000:
dest = (addr - 0x5000) + 0x2C00;
if (addr <= 0x5014)
{
// OK only if boot ROM at $4800 or $7000.
Data[dest] = value;
return true;
}
else
{
Data[dest] = value;
return true;
}
case 0x7000:
dest = (addr - 0x7000) + 0x4C00;
if (addr == 0x7000)
{
// RAM at $7000 confuses EXEC boot sequence.
Data[dest] = value;
return true;
}
else if (addr <= 0x77FF)
{
// OK if no ECS.
Data[dest] = value;
return true;
}
else
{
// Do not map RAM here due to GRAM alias.
Data[dest] = value;
return true;
}
case 0x8000:
dest = (addr - 0x8000) + 0x5C00;
// OK. Avoid STIC alias at $8000-$803F.
Data[dest] = value;
return true;
case 0x9000:
case 0xA000:
case 0xB000:
dest = (addr - 0x9000) + 0x6C00;
if (addr <= 0xB7FF)
{
Data[dest] = value;
return true;
}
else
{
// Do not map RAM here due to GRAM alias.
Data[dest] = value;
return true;
}
case 0xC000:
dest = (addr - 0xC000) + 0x9C00;
// OK. Avoid STIC alias at $C000-$C03F.
Data[dest] = value;
return true;
case 0xD000:
Data[(addr & 0x0FFF) + 0xAC00] = value;
return true;
case 0xE000:
dest = (addr - 0xE000) + 0xBC00;
// OK if no ECS.
Data[dest] = value;
return true;
case 0xF000:
dest = (addr - 0xF000) + 0xCC00;
if (addr <= 0xF7FF)
{
Data[dest] = value;
return true;
}
else
{
// Do not map RAM here due to GRAM alias.
Data[dest] = value;
return true;
}
}
return false;
}
*/
}
}