private List <UInt32> writeGetDescriptionForCustomSquareRoutine(AddressMapper addressMapper, VAVAddr routineStartAddress)
{
var asm = new List <UInt32>();
var gameUiTextGetString = addressMapper.toVersionAgnosticAddress((BSVAddr)0x800f78dc);
var gameUiTextGetCardMsg = addressMapper.toVersionAgnosticAddress((BSVAddr)0x800f837c);
var gameBoard = PowerPcAsm.make16bitValuePair((UInt32)addressMapper.toVersionAgnosticAddress((BSVAddr)0x8054d018));
asm.Add(PowerPcAsm.lis(7, gameBoard.upper16Bit)); //
asm.Add(PowerPcAsm.addi(7, 7, gameBoard.lower16Bit)); // r7 <- start of gameboard table containing all squares
asm.Add(PowerPcAsm.mulli(8, 24, 0x54)); // r8 <- squareId * 0x54 (the size of each square)
asm.Add(PowerPcAsm.add(6, 7, 8)); // r6 <- the current square
asm.Add(PowerPcAsm.lbz(8, 0x4d, 6)); // r8 <- square.squareType
asm.Add(PowerPcAsm.cmpwi(8, 0x2e)); // if(square.squareType == 0x2e)
asm.Add(PowerPcAsm.bne(3)); // {
asm.Add(PowerPcAsm.lbz(4, 0x18, 6)); // r4 <- square.district_color
asm.Add(PowerPcAsm.b(routineStartAddress, asm.Count, gameUiTextGetCardMsg)); // goto Game::uitext::get_card_message(r4)
// }
asm.Add(PowerPcAsm.li(6, 0x0)); // \
asm.Add(PowerPcAsm.li(7, 0x0)); // | No message arguments
asm.Add(PowerPcAsm.li(8, 0x0)); // /
asm.Add(PowerPcAsm.b(routineStartAddress, asm.Count, gameUiTextGetString)); // goto Game::uitext::get_string(r4, 0, 0, 0)
return(asm);
}
