static IEnumerable <Insn> Read(string fn, long skip)
{
using var fp = File.OpenRead(fn);
using var br = new BinaryReader(fp);
fp.Position = skip * (8 * 33 + 8 * 32 + 1);
var len = fp.Length;
while (fp.Position < len)
{
yield return(Insn.Read(br));
}
}
static void Main(string[] args)
{
var skip = 0L;
var a = Read("../App/uniinsns.bin", skip);
var b = Read("../App/recinsns.bin", skip);
"Diffing".Debug();
var count = skip;
var last = new Insn();
foreach (var(i, j) in a.Zip(b))
{
count++;
if (count % 100000 == 0)
{
count.Debug();
}
if (
i.PC == j.PC &&
(i.NZCV == j.NZCV || count < 1000) &&
i.SP == j.SP &&
i.X.SequenceEqual(j.X) &&
i.V.SequenceEqual(j.V) ||
last.X == null
)
{
last = i;
continue;
}
"DIVERGENCE".Debug();
if (i.PC != j.PC)
{
$"PC {i.PC:X} vs {j.PC:X}".Debug();
}
else
{
$"PC {i.PC:X}".Debug();
}
if (i.NZCV != j.NZCV)
{
$"NZCV {i.NZCV:X} vs {j.NZCV:X}".Debug();
}
if (i.SP != j.SP)
{
$"SP {i.SP:X} vs {j.SP:X}".Debug();
}
i.X.Zip(j.X).ForEach((x, o) => {
if (x.First != x.Second)
{
$"X{o} {x.First:X} vs {x.Second:X}".Debug();
}
});
i.V.Zip(j.V).ForEach((x, o) => {
if (x.First != x.Second)
{
$"V{o} {x.First:X} vs {x.Second:X}".Debug();
}
});
"".Debug();
"Previous instruction:".Debug();
$"PC {last.PC:X}".Debug();
$"NZCV {last.NZCV:X}".Debug();
$"SP {last.SP:X}".Debug();
for (var x = 0; x < 31; ++x)
{
$"X{x} {last.X[x]:X}".Debug();
}
return;
}
$"Final instruction PC: {last.PC:X}".Debug();
$"NZCV {last.NZCV:X}".Debug();
$"SP {last.SP:X}".Debug();
for (var x = 0; x < 31; ++x)
{
$"X{x} {last.X[x]:X}".Debug();
}
}