private static string ParseG_MTX(BinaryReader br, Microcode microcode, bool simpleParse)
{
Matrix m;
string result;
List <string[]> Type = new List <string[]>()
{
new string[] { nameof(G_MTX_.G_MTX_NOPUSH), nameof(G_MTX_.G_MTX_PUSH) },
new string[] { nameof(G_MTX_.G_MTX_MUL), nameof(G_MTX_.G_MTX_LOAD) },
new string[] { nameof(G_MTX_.G_MTX_MODEL_VIEW), nameof(G_MTX_.G_MTX_PROJECTION) }
};
var lowerHigh = microcode.EncodingHigh & 0xFFFF;
result = string.Format("({0}, {1}, {2})",
Type[2][(lowerHigh >> 2) & 1],
Type[1][(lowerHigh >> 1) & 1],
Type[0][((lowerHigh >> 0) ^ 1) & 1]); //inverted in original source
if (!simpleParse)
{
var jumpback = br.BaseStream.Position;
br.BaseStream.Position = microcode.EncodingLow & 0xFFFFFF;
m = new Matrix(br);
br.BaseStream.Position = jumpback;
result += Environment.NewLine + m.ToString();
}
return(result);
}
private static string ParseG_MOVEMEM(BinaryReader br, Microcode microcode, bool simpleParse)
{
string result;
byte offset = (byte)((microcode.EncodingHigh >> 8) * 8);
byte size = (byte)(((microcode.EncodingHigh >> 16) & 0xF8) + 8);
result = $"{(G_MV)(microcode.EncodingHigh & 0xff)}: +0x{offset:X2} size 0x{size:X2}";
if (!simpleParse)
{
int[] data = new int[size / 4];
var jumpback = br.BaseStream.Position;
br.BaseStream.Position = microcode.EncodingLow & 0xFFFFFF;
for (int i = 0; i < size / 4; i++)
{
data[i] = br.ReadBigInt32();
}
br.BaseStream.Position = jumpback;
result += Environment.NewLine + data.JoinFormat(", ", "{0:X8}");
}
return(result);
}
private static string ParseG_NOOP(BinaryReader br, Microcode microcode, bool simpleParse)
{
string result = string.Empty;
if (microcode.EncodingLow == 0 || simpleParse)
{
return(result);
}
if (microcode.EncodingLow >> 24 != 0x80 &&
microcode.EncodingLow >> 24 != 0x00)
{
return(result);
}
var jumpBack = br.BaseStream.Position;
br.BaseStream.Position = microcode.EncodingLow & 0xFFFFFF;
Encoding enc = Encoding.GetEncoding("EUC-JP");
result = CStr.Get(br.BaseStream, enc, 0x100);
br.BaseStream.Position = jumpBack;
return(result);
}
private static string ParseG_MOVEWORD(BinaryReader memory, Microcode microcode, bool simpleParse)
{
return(string.Format("({0} #{1:D2}, {2:X8})",
(G_MW)((microcode.EncodingHigh >> 16) & 0xFF),
(microcode.EncodingHigh & 0xFFFF) >> 2,
microcode.EncodingLow));
}
private static string ParseG_LOADTLUT(BinaryReader memory, Microcode microcode, bool simpleParse)
{
int tile = Shift.AsUInt16(microcode.EncodingLow, 0x07000000);
int colors = Shift.AsUInt16(microcode.EncodingLow, 0xFFC000) + 1;
return($"{G_TX_.Tile(tile)} COLORS {colors}");
}
public static string PrintMicrocode(BinaryReader memory, Microcode microcode, bool simpleParse = true)
{
if (ParseFunc.ContainsKey(microcode.Name))
{
return($"{microcode} // {microcode.Name} {ParseFunc[microcode.Name](memory, microcode, simpleParse)}");
}
return($"{microcode} // {microcode.Name}");
}
private static string ParseG_LOADTILE(BinaryReader memory, Microcode microcode, bool simpleParse)
{
float uls = Shift.AsUInt16(microcode.EncodingHigh, 0xFFF000) / 4f;
float ult = Shift.AsUInt16(microcode.EncodingHigh, 0x000FFF) / 4f;
int tile = Shift.AsUInt16(microcode.EncodingLow, 0x07000000);
float lrs = Shift.AsUInt16(microcode.EncodingLow, 0xFFF000) / 4f;
float lrt = Shift.AsUInt16(microcode.EncodingLow, 0x000FFF) / 4f;
return($"{G_TX_.Tile(tile)} ST ({uls:F2},{ult:F2}), ({lrs:F2},{lrt:F2})");
}
public static IEnumerable <string> SimpleParse(BinaryReader br, int iterations)
{
int i = 0;
while (i < iterations)
{
var microcode = new Microcode(br);
yield return(PrintMicrocode(br, microcode));
i++;
}
}
private static string ParseG_SET_IMG(BinaryReader memory, Microcode microcode, bool showWidth)
{
uint fmt = Shift.AsUInt16(microcode.EncodingHigh, 0xE00000);
uint siz = Shift.AsUInt16(microcode.EncodingHigh, 0x180000);
uint width = (microcode.EncodingHigh & 0xFFF) + 1;
if (showWidth)
{
return($"{(G_IM_FMT_)fmt} {(G_IM_SIZ_)siz} {width:X4}");
}
return($"{(G_IM_FMT_)fmt} {(G_IM_SIZ_)siz}");
}
private static string ParseG_LOADBLOCK(BinaryReader memory, Microcode microcode, bool simpleParse)
{
float uls = ((float)Shift.AsUInt16(microcode.EncodingHigh, 0xFFF000)) / 4;
float ult = ((float)Shift.AsUInt16(microcode.EncodingHigh, 0x000FFF)) / 4;
int tile = Shift.AsUInt16(microcode.EncodingLow, 0x0F000000);
int texels = Shift.AsUInt16(microcode.EncodingLow, 0x00FFF000) + 1;
float dxt = microcode.EncodingLow & 0xFFF;
dxt /= 2048;
float rdxt = 1 / dxt;
return($"{G_TX_.Tile(tile)} ST ({uls:F2},{ult:F2}) TEXELS {texels:X4} DXT {dxt} 1/DXT {rdxt}");
}
public static IEnumerable <string> DeepParse(BinaryReader memory, N64Ptr address)
{
bool keepParsing = true;
MicrocodeParserTask task = new MicrocodeParserTask(address);
memory.BaseStream.Position = address & 0xFFFFFF;
while (keepParsing)
{
var microcode = new Microcode(memory);
yield return($"{memory.BaseStream.Position - 8:X6}: {PrintMicrocode(memory, microcode, false)}");
keepParsing = TraceNext(memory, task, microcode);
}
}
/// <summary>
/// Traces
/// </summary>
/// <param name="memory">Full RDRAM dump</param>
/// <param name="address">The entry point address for the display list trace</param>
/// <returns></returns>
public static IEnumerable <(N64Ptr ptr, Microcode gbi, MicrocodeParserTask task)> DeepTrace(BinaryReader memory, N64Ptr address)
{
bool keepParsing = true;
MicrocodeParserTask task = new MicrocodeParserTask(address);
memory.BaseStream.Position = address & 0xFFFFFF;
while (keepParsing)
{
var microcode = new Microcode(memory);
var addr = memory.BaseStream.Position - 8;
yield return(addr, microcode, task);
keepParsing = TraceNext(memory, task, microcode);
}
}
private static string ParseG_SETTILE(BinaryReader memory, Microcode microcode, bool simpleParse)
{
int fmt = Shift.AsUInt16(microcode.EncodingHigh, 0xE00000);
int siz = Shift.AsUInt16(microcode.EncodingHigh, 0x180000);
int line = Shift.AsUInt16(microcode.EncodingHigh, 0x03FE00);
int tmem = Shift.AsUInt16(microcode.EncodingHigh, 0x0001FF);
int tile = Shift.AsUInt16(microcode.EncodingLow, 0x07000000);
int palette = Shift.AsUInt16(microcode.EncodingLow, 0x00F00000);
uint T_dat = Shift.AsUInt16(microcode.EncodingLow, 0x000FFC00);
uint S_dat = Shift.AsUInt16(microcode.EncodingLow, 0x000003FF);
(string cmA, string cmB, int mask, int shift)T, S;
T = SetAxis(T_dat);
S = SetAxis(S_dat);
string result = $"{G_TX_.Tile(tile)} {(G_IM_FMT_)fmt} {(G_IM_SIZ_)siz} line {line} PAL {palette}";
if (!simpleParse)
{
result += $"{Environment.NewLine} S ({PrintAxis(S)}) {Environment.NewLine} T ({PrintAxis(T)})";
}
return(result);
(string cmA, string cmB, int mask, int shift) SetAxis(uint t_dat)
{
string cmA = (Shift.AsBool(t_dat, 0x100)) ? nameof(G_TX_.G_TX_MIRROR) : nameof(G_TX_.G_TX_NOMIRROR);
string cmB = (Shift.AsBool(t_dat, 0x200)) ? nameof(G_TX_.G_TX_CLAMP) : nameof(G_TX_.G_TX_WRAP);
int mask = Shift.AsUInt16(t_dat, 0xF0);
int shift = Shift.AsUInt16(t_dat, 0x0F);
return(cmA, cmB, mask, shift);
}
string PrintAxis((string cmA, string cmB, int mask, int shift) t)
{
return($"{t.cmA} {t.cmB} MASK {t.mask} SHIFT {t.shift}");
}
}
private static bool TraceNext(BinaryReader br, MicrocodeParserTask task, Microcode microcode)
{
switch (microcode.Name)
{
case G_.G_MOVEWORD:
if ((G_MW)((microcode.EncodingHigh >> 16) & 0xFF) == G_MW.G_MW_SEGMENT)
{
task.SegmentTable[(microcode.EncodingHigh & 0xFFFF) >> 2] = microcode.EncodingLow;
}
break;
case G_.G_BRANCH_Z:
{
N64Ptr addr;
var bank = (task.G_RDPHALF_1 >> 24) & 0xFF;
if (bank < 16)
{
addr = task.SegmentTable[bank] + (task.G_RDPHALF_1 & 0xFFFFFF);
}
else
{
addr = task.G_RDPHALF_1;
}
//already advanced the cursor so this should be good
task.DisplayListStack.Push(0x80000000 | br.BaseStream.Position);
//jump
br.BaseStream.Position = addr & 0xFFFFFF;
}
break;
case G_.G_DL:
{
// set address we're branching to
N64Ptr addr;
var bank = (microcode.EncodingLow >> 24) & 0xFF;
if (bank < 16)
{
addr = task.SegmentTable[bank] + (microcode.EncodingLow & 0xFFFFFF);
}
else
{
addr = microcode.EncodingLow;
}
//if branching
if (((microcode.EncodingHigh >> 16) & 0xFF) == 0)
{
//already advanced the cursor so this should be good
task.DisplayListStack.Push(0x80000000 | br.BaseStream.Position);
}
//jump
br.BaseStream.Position = addr & 0xFFFFFF;
}
break;
case G_.G_ENDDL:
if (task.DisplayListStack.Count == 0)
{
return(false);
}
else
{
N64Ptr jumpback = task.DisplayListStack.Pop();
br.BaseStream.Position = jumpback & 0xFFFFFF;
}
break;
case G_.G_RDPHALF_1: task.G_RDPHALF_1 = microcode.EncodingLow;
break;
case G_.G_RDPHALF_2: task.G_RDPHALF_2 = microcode.EncodingLow;
break;
}
return(true);
}
private static string ParseG_DL(BinaryReader memory, Microcode microcode, bool simpleParse)
{
int v = Shift.AsByte(microcode.EncodingHigh, 0xFF0000);
return((v == 0) ? "Jump and Link" : "Branch");
}