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Implement BUNKI string layout opcodes

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gamer147
2026-07-21 16:32:39 -04:00
parent 3785706426
commit 56cafeb9f2
7 changed files with 127 additions and 7 deletions
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24
engine/Age.Engine.Tests/NumericGlyphOpsTests.cs
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@@ -129,4 +129,28 @@ public class NumericGlyphOpsTests
Assert.Equal(2, vm.Globals[100]); // four CP932 bytes, not three .NET chars
Assert.Equal(3, vm.Globals[101]); // six CP932 bytes
}
[Fact]
public void ByteStringLengthUsesNativeCp932BytesAndStopsAtNul()
{
var table = T();
var scene = ScriptAssembler.Assemble(table, "BYTE-LENGTH", new List<(int, Operand[])>
{
(0x2c5, new[] { L(0), S(0) }),
(0x55, new[] { G(100), L(0) }),
(0x55, new[] { LS(0), S(1) }),
(0x2c5, new[] { L(1), LS(0) }),
(0x55, new[] { G(101), L(1) }),
(0x2c5, new[] { L(2), S(2) }),
(0x55, new[] { G(102), L(2) }),
Exit(),
}, new[] { "AB姫", "リリィ", "AB\0姫" });
var vm = new VirtualMachine(scene, table, new RecordingHost());
vm.Run();
Assert.Equal(4, vm.Globals[100]); // two ASCII + one double-byte CP932 glyph
Assert.Equal(6, vm.Globals[101]); // three double-byte CP932 glyphs through a string pointer
Assert.Equal(2, vm.Globals[102]); // native strlen stops before the embedded NUL
}
}

80
engine/Age.Engine.Tests/StringComparisonOpsTests.cs
View File

@@ -94,4 +94,84 @@ public class StringComparisonOpsTests
Assert.Equal(1, vm.Globals[0x600]);
}
[Fact]
public void StringNotEquals_HandlesEqualDifferentAndPointerOperands()
{
var table = OpcodeTableJson.Load(Paths.OpcodesJson);
int lookup = table.ByLabel("lookup-array")!.Value;
int move = table.ByLabel("mov")!.Value;
var script = ScriptAssembler.Assemble(table, "STRING_NOT_EQUALS", new List<(int, Operand[])>
{
(move, new[] { new Operand(LocalString, 0), new Operand(InlineString, 0) }),
(lookup, new[]
{
new Operand(LocalStringPointer, 0), new Operand(GlobalString, 0x300),
new Operand(Immediate, 2),
}),
(0x195, new[]
{
new Operand(LocalInt, 0), new Operand(InlineString, 0), new Operand(InlineString, 1),
}),
(0x195, new[]
{
new Operand(LocalInt, 1), new Operand(GlobalString, 0x301), new Operand(InlineString, 0),
}),
(0x195, new[]
{
new Operand(LocalInt, 2), new Operand(LocalString, 0), new Operand(InlineString, 0),
}),
(0x195, new[]
{
new Operand(LocalInt, 3), new Operand(LocalStringPointer, 0), new Operand(InlineString, 0),
}),
(0x195, new[]
{
new Operand(LocalInt, 4), new Operand(GlobalStringPointer, 0x400),
new Operand(InlineString, 0),
}),
(move, new[] { new Operand(GlobalInt, 0x500), new Operand(LocalInt, 0) }),
(move, new[] { new Operand(GlobalInt, 0x501), new Operand(LocalInt, 1) }),
(move, new[] { new Operand(GlobalInt, 0x502), new Operand(LocalInt, 2) }),
(move, new[] { new Operand(GlobalInt, 0x503), new Operand(LocalInt, 3) }),
(move, new[] { new Operand(GlobalInt, 0x504), new Operand(LocalInt, 4) }),
(0x2, Array.Empty<Operand>()),
}, new[] { "姫狩り", "姫狩り", "姫狩り違い" });
var vm = new VirtualMachine(script, table, new RecordingHost());
vm.GlobalStrings[0x301] = "姫狩り違い";
vm.GlobalStrings[0x302] = "姫狩り";
vm.Globals[0x400] = 0x302;
vm.Run();
Assert.Equal(new long[] { 0, 1, 0, 0, 0 }, new[]
{
vm.Globals[0x500], vm.Globals[0x501], vm.Globals[0x502],
vm.Globals[0x503], vm.Globals[0x504],
});
}
[Fact]
public void StringNotEquals_OverwritesBunkiStaleHandleWhenTitleIsEmpty()
{
var table = OpcodeTableJson.Load(Paths.OpcodesJson);
int move = table.ByLabel("mov")!.Value;
var script = ScriptAssembler.Assemble(table, "BUNKI_EMPTY_TITLE", new List<(int, Operand[])>
{
// BUNKI reuses local 0x99 for frame handles before testing its optional title.
(move, new[] { new Operand(LocalInt, 0x99), new Operand(Immediate, 0xea71) }),
(0x195, new[]
{
new Operand(LocalInt, 0x99), new Operand(GlobalString, 0x7da),
new Operand(InlineString, 0),
}),
(move, new[] { new Operand(GlobalInt, 0x600), new Operand(LocalInt, 0x99) }),
(0x2, Array.Empty<Operand>()),
}, new[] { "" });
var vm = new VirtualMachine(script, table, new RecordingHost());
vm.Run();
Assert.Equal(0, vm.Globals[0x600]);
}
}