private List <UInt32> writeSubroutineForceFetchFakeVentureCard(VAVAddr fakeVentureCard)
{
PowerPcAsm.Pair16Bit v = PowerPcAsm.make16bitValuePair((UInt32)fakeVentureCard);
// precondition: r3 is ChanceCardUI *
// ChanceCardUI->field_0x34 is ChanceBoard *
// ChanceBoard->field_0x158 is current venture card id
var asm = new List <UInt32>();
asm.Add(PowerPcAsm.lis(6, v.upper16Bit)); // \
asm.Add(PowerPcAsm.addi(6, 6, v.lower16Bit)); // / r6 <- forceVentureCardVariable
asm.Add(PowerPcAsm.lwz(4, 0x0, 6)); // | r4 <- forceVentureCard
asm.Add(PowerPcAsm.cmpwi(4, 0x0)); // | if(forceVentureCard != 0)
asm.Add(PowerPcAsm.beq(7)); // | {
asm.Add(PowerPcAsm.lwz(5, 0x34, 3)); // | r5 <- ChanceCardUI.ChanceBoard
asm.Add(PowerPcAsm.stw(4, 0x158, 5)); // | ChanceBoard.currentVentureCardId <- r4
asm.Add(PowerPcAsm.li(5, 0)); // |\ forceVentureCard <- 0
asm.Add(PowerPcAsm.stw(5, 0x0, 6)); // |/
asm.Add(PowerPcAsm.li(8, 0x0)); // | r8 <- 0 (the venture card is initialized)
asm.Add(PowerPcAsm.blr()); // | return r4 and r8
// | }
asm.Add(PowerPcAsm.li(4, -0x1)); // | r4 <- -1
asm.Add(PowerPcAsm.li(8, 0x3)); // | r8 <- 3 (the venture card is continued to be executed)
asm.Add(PowerPcAsm.blr()); // | return r4 and r8
return(asm);
}
private List <UInt32> writeProcStopEventSquareRoutine(AddressMapper addressMapper, VAVAddr forceVentureCardVariable, VAVAddr routineStartAddress)
{
PowerPcAsm.Pair16Bit v = PowerPcAsm.make16bitValuePair((UInt32)forceVentureCardVariable);
var gameProgressChangeModeRoutine = addressMapper.toVersionAgnosticAddress((BSVAddr)0x800c093c);
var endOfSwitchCase = addressMapper.toVersionAgnosticAddress((BSVAddr)0x800fac38);
var asm = new List <UInt32>();
asm.Add(PowerPcAsm.lwz(3, 0x188, 28)); // \
asm.Add(PowerPcAsm.lwz(3, 0x74, 3)); // / r3_place = gameChara.currentPlace
asm.Add(PowerPcAsm.lbz(6, 0x18, 3)); // | r6_ventureCardId = r3_place.districtId
asm.Add(PowerPcAsm.lis(3, v.upper16Bit)); // \
asm.Add(PowerPcAsm.addi(3, 3, v.lower16Bit)); // | forceVentureCardVariable <- r6_ventureCardId
asm.Add(PowerPcAsm.stw(6, 0x0, 3)); // /
asm.Add(PowerPcAsm.lwz(3, 0x18, 20)); // \ lwz r3,0x18(r20)
asm.Add(PowerPcAsm.li(4, 0x1f)); // | li r4,0x1f (the GameProgress mode id 0x1f is for executing a venture card)
asm.Add(PowerPcAsm.li(5, -0x1)); // | li r5,-0x1
asm.Add(PowerPcAsm.li(6, -0x1)); // | li r6,-0x1
asm.Add(PowerPcAsm.li(7, 0x0)); // | li r7,0x0
asm.Add(PowerPcAsm.bl(routineStartAddress, asm.Count, gameProgressChangeModeRoutine)); // | bl Game::GameProgress::changeMode
asm.Add(PowerPcAsm.b(routineStartAddress, asm.Count, endOfSwitchCase)); // / goto end of switch case
return(asm);
}
private List <UInt32> writeSubroutineGetMapsInZone(AddressMapper addressMapper, List <MapDescriptor> mapDescriptors, VAVAddr mapSetZoneOrderTable, VAVAddr entryAddr, VAVAddr returnAddr)
{
PowerPcAsm.Pair16Bit v = PowerPcAsm.make16bitValuePair((UInt32)mapSetZoneOrderTable);
// precondition: r5 MapSet
// r29 _ZONE_TYPE
// r30 int* array containing map ids
// r3,r4,r6,r7,r31 unused
// postcondition: r3 num maps (must be same as in SubroutineGetNumMapsInZone)
var asm = new List <UInt32>();
var asm_l2 = new List <UInt32>();
var asm_l3 = new List <UInt32>();
asm.Add(PowerPcAsm.li(3, 0));
var mapSets = (from m in mapDescriptors where m.MapSet != -1 orderby m.MapSet select m.MapSet).Distinct();
foreach (var mapSet in mapSets)
{
asm.Add(PowerPcAsm.cmpwi(5, mapSet));
var zones = (from m in mapDescriptors where m.MapSet == mapSet && m.Zone != -1 orderby m.Zone select m.Zone).Distinct();
asm_l2.Clear();
foreach (var zone in zones)
{
asm_l2.Add(PowerPcAsm.cmpwi(29, zone));
IOrderedEnumerable <MapDescriptor> maps;
if (zone == 0)
{
maps = from m in mapDescriptors where m.MapSet == mapSet && m.Zone == 1 orderby m.Order select m;
}
else if (zone == 1)
{
maps = from m in mapDescriptors where m.MapSet == mapSet && m.Zone == 0 orderby m.Order select m;
}
else
{
maps = from m in mapDescriptors where m.MapSet == mapSet && m.Zone == zone orderby m.Order select m;
}
short i = 0;
asm_l3.Clear();
asm_l3.Add(PowerPcAsm.li(3, (short)maps.Count()));
foreach (var map in maps)
{
short mapId = (short)mapDescriptors.IndexOf(map);
var mapDescriptor = mapDescriptors[i];
asm_l3.Add(PowerPcAsm.li(4, mapId));
asm_l3.Add(PowerPcAsm.stw(4, i, 30));
i += 4;
}
asm_l2.Add(PowerPcAsm.bne(asm_l3.Count + 1));
asm_l2.AddRange(asm_l3);
}
asm.Add(PowerPcAsm.bne(asm_l2.Count + 1));
asm.AddRange(asm_l2);
}
asm.Add(PowerPcAsm.b(entryAddr, asm.Count, returnAddr));
return(asm);
}
private List <UInt32> writeRuleSetFromMapRoutine(AddressMapper addressMapper, VAVAddr routineStartAddress)
{
var Game_GetRuleFlag = addressMapper.toVersionAgnosticAddress((BSVAddr)0x801cca98);
// precondition: r24 is mapId
// precondition: r25 is global rule set which we are gonna use to store the linkreturn
var asm = new List <UInt32>();
asm.Add(PowerPcAsm.mflr(25));
asm.Add(PowerPcAsm.mr(3, 24)); // r3 <- r24
asm.Add(PowerPcAsm.bl(routineStartAddress, asm.Count, Game_GetRuleFlag)); // r3 <- bl Game_GetRuleFlag(r3)
asm.Add(PowerPcAsm.stw(3, 0x53f4, 29)); // gameRule <- r3
asm.Add(PowerPcAsm.mtlr(25));
asm.Add(PowerPcAsm.blr()); // return
return(asm);
}
private List <UInt32> writeUploadSimulatedButtonPress(AddressMapper addressMapper, VAVAddr routineStartAddress, VAVAddr returnAddr)
{
var asm = new List <UInt32>();
// 0x804363b4 (4 bytes): force simulated button press
var forceSimulatedButtonPress = PowerPcAsm.make16bitValuePair((UInt32)addressMapper.toVersionAgnosticAddress((BSVAddr)0x804363b4));
var pressedButtonsBitArray = PowerPcAsm.make16bitValuePair((UInt32)addressMapper.toVersionAgnosticAddress((BSVAddr)0x8078C880));
asm.Add(PowerPcAsm.lis(6, forceSimulatedButtonPress.upper16Bit)); // \
asm.Add(PowerPcAsm.addi(6, 6, forceSimulatedButtonPress.lower16Bit)); // / r6 <- &forceSimulatedButtonPress
asm.Add(PowerPcAsm.lis(7, pressedButtonsBitArray.upper16Bit)); // \
asm.Add(PowerPcAsm.addi(7, 7, pressedButtonsBitArray.lower16Bit)); // / r7 <- &pressedButtonsBitArray
asm.Add(PowerPcAsm.lwz(0, 0x0, 6)); // r0 <- forceSimulatedButtonPress
asm.Add(PowerPcAsm.cmpwi(0, 0x0)); // if (forceSimulatedButtonPress != 0)
asm.Add(PowerPcAsm.beq(4)); // {
asm.Add(PowerPcAsm.stw(0, 0x0, 7)); // pressedButtonsBitArray <- forceSimulatedButtonPress
asm.Add(PowerPcAsm.li(0, 0x0)); // \
asm.Add(PowerPcAsm.stw(0, 0x0, 6)); // / forceSimulatedButtonPress <- 0
// }
asm.Add(PowerPcAsm.lwz(0, 0x4, 3)); // *replaced opcode*
asm.Add(PowerPcAsm.b(routineStartAddress, asm.Count, returnAddr)); // return
return(asm);
}
