/// <summary>
/// Builds this command collection from a subroutine's binary data.
/// </summary>
/// <param name="offset">The starting offset of the subroutine's binary data.</param>
private void ParseSubroutine(int offset)
{
switch (Opcode)
{
case 0x09: // Jump to address
int length = 0;
while ((offset & 0xFFFF) < 0xFFFF)
{
// These are unusual cases, seems this is the only way
if (offset == 0x356076)
{
break;
}
if (offset == 0x356087)
{
break;
}
if (offset == 0x3560A9)
{
break;
}
if (offset == 0x3560CD)
{
break;
}
if (offset == 0x3560FE)
{
break;
}
if (offset == 0x356131)
{
break;
}
if (offset == 0x356152)
{
break;
}
if (offset == 0x35617A)
{
break;
}
if (offset == 0x3561AD)
{
break;
}
if (offset == 0x3561E0)
{
break;
}
if (offset == 0x356213)
{
break;
}
if (offset == 0x35624B)
{
break;
}
if (offset == 0x3A8A68)
{
break;
}
if (offset == 0x3A8AC0)
{
break;
}
if (offset == 0x3A8C8A)
{
break;
}
if ((offset & 0xFF0000) == 0x3A0000 && offset < 0x3A60D0)
{
break;
}
if (offset < ROM.Length - 2)
{
length = ScriptEnums.GetCommandLength(ROM[offset], ROM[offset + 1]);
}
else
{
length = ScriptEnums.GetCommandLength(ROM[offset], 0);
}
var temp = new Command(Bits.GetBytes(ROM, offset, length), offset, Script, this);
Commands.Add(temp);
if (ROM[offset] == 0x07 || // End animation packet
ROM[offset] == 0x09 || // Jump to address (thus ending this)
ROM[offset] == 0x11 || // End subroutine
ROM[offset] == 0x5E) // End sprite subroutine
{
break;
}
offset += length;
}
break;
case 0x10: goto case 0x09;
case 0x5D: goto case 0x09;
case 0x64:
if (Script.AMEM > 0x10)
{
Script.AMEM = 0;
offset = (offset & 0xFF0000) + Bits.GetShort(ROM, offset);
}
else
{
offset = (offset & 0xFF0000) + Bits.GetShort(ROM, offset + (Script.AMEM * 2));
}
goto case 0x09;
case 0x68:
if (Script.AMEM >= 0x40)
{
Script.AMEM = 0;
offset = (offset & 0xFF0000) + Bits.GetShort(ROM, offset);
}
else
{
offset = (offset & 0xFF0000) + Bits.GetShort(ROM, offset + (Script.AMEM * 2));
}
//
if (offset == 0x356919 ||
offset == 0x356969)
{
offset += 2;
}
else
{
offset = (offset & 0xFF0000) + Bits.GetShort(ROM, offset + Data[3]);
}
goto case 0x09;
default:
if (Opcode >= 0x24 && Opcode <= 0x2B)
{
offset = (offset & 0xFF0000) + Bits.GetShort(Data, 4);
goto case 0x09;
}
break;
}
}
/// <summary>
/// Builds this script's command collection from the ROM buffer.
/// </summary>
public void ParseScript()
{
int bank = 0x350000;
int start = 0;
switch (Set)
{
case Set.MonsterSpell:
start = 0x1026; break;
case Set.MonsterEntrance:
start = 0x2128; break;
case Set.MonsterAttack:
start = 0x1493; break;
case Set.Item:
start = 0xC761; break;
case Set.AllySpell:
start = 0xC992; break;
case Set.Weapon:
start = 0xECA2; break;
case Set.BattleEvent:
start = 0x6004; bank = 0x3A0000; break;
}
if (Set == Set.MonsterBehavior)
{
this.BaseOffset = this.behaviorOffsets[Index];
}
else
{
this.BaseOffset = bank + Bits.GetShort(rom, bank + start + Index * 2);
}
//
int offset = BaseOffset, length = 0;
if (Set == Set.BattleEvent)
{
offset = BaseOffset + 2;
if (Index == 22)
{
offset = BaseOffset + 4;
}
if (Index == 70)
{
offset = BaseOffset + 6;
}
if (Index == 85)
{
offset = BaseOffset + 6;
}
}
this.Commands = new List <Command>();
while (offset < rom.Length)
{
if (offset == 0x3A6BA1) // Another annoying rare case
{
break;
}
//
if (offset + 1 < rom.Length)
{
length = ScriptEnums.GetCommandLength(rom[offset], rom[offset + 1]);
}
else
{
length = ScriptEnums.GetCommandLength(rom[offset], 0);
}
var command = new Command(Bits.GetBytes(rom, offset, length), offset, this, null);
// Memory modification commands
switch (command.Opcode)
{
case 0x20:
case 0x21: if ((command.Param1 & 0x0F) == 0)
{
AMEM = command.Data[2];
}
break;
case 0x2C:
case 0x2D: if ((command.Param1 & 0x0F) == 0)
{
AMEM += command.Data[2];
}
break;
case 0x2E:
case 0x2F: if ((command.Param1 & 0x0F) == 0)
{
AMEM -= command.Data[2];
}
break;
case 0x30:
case 0x31: if ((command.Param1 & 0x0F) == 0)
{
AMEM++;
}
break;
case 0x32:
case 0x33: if ((command.Param1 & 0x0F) == 0)
{
AMEM--;
}
break;
case 0x34:
case 0x35: if ((command.Param1 & 0x0F) == 0)
{
AMEM = 0;
}
break;
case 0x6A:
case 0x6B: if ((command.Param1 & 0x0F) == 0)
{
AMEM = (byte)(command.Data[2] - 1);
}
break;
}
Commands.Add(command);
// Termination commands
if (rom[offset] == 0x07 || // end animation packet
rom[offset] == 0x09 || // jump directly to address (thus ending this)
rom[offset] == 0x11 || // end subroutine
rom[offset] == 0x5E) // end sprite subroutine
{
break;
}
//
offset += length;
}
}
