Apple-2gs-SW/iigs-sprite-compiler
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Found and fixed search bugs. Path cost is still not being calculated correctly.

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This commit is contained in:
Lucas Scharenbroich 2016-11-29 00:51:06 -06:00
parent e00ae24ab0
commit b20b85e7bc
3 changed files with 16 additions and 9 deletions
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2
SpriteCompiler.Test/Tests.cs
View File

@ -27,6 +27,8 @@ namespace SpriteCompiler.Test
[TestMethod]
public void TestSingleByteSprite()
{
Trace.WriteLine("Testing a sprite with just one byte");
// Arrange
var problem = SpriteGeneratorSearchProblem.CreateSearchProblem();
var search = SpriteGeneratorSearchProblem.Create();

4
SpriteCompiler/Problem/CodeSequence.cs
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@ -70,7 +70,7 @@ namespace SpriteCompiler.Problem
public override SpriteGeneratorState Apply(SpriteGeneratorState state)
{
return state.Clone(_ => _.P |= 0x10);
return state.Clone(_ => _.P &= 0xEF);
}
public override string ToString()
@ -85,7 +85,7 @@ namespace SpriteCompiler.Problem
public override SpriteGeneratorState Apply(SpriteGeneratorState state)
{
return state.Clone(_ => _.P &= 0xEF);
return state.Clone(_ => _.P |= 0x10);
}
public override string ToString()

19
SpriteCompiler/Problem/SpriteGeneratorSearchProblem.cs
View File

@ -40,6 +40,11 @@ namespace SpriteCompiler.Problem
{
return value.CompareTo(other.value);
}
public override string ToString()
{
return value.ToString();
}
}
public class SpriteGeneratorState
@ -141,7 +146,7 @@ namespace SpriteCompiler.Problem
{
if (IsUninitialized)
{
throw new ArgumentException("Cannot add valued to uninitialized registers");
throw new ArgumentException("Cannot add value to uninitialized registers");
}
// Adding a value does not change the tag
@ -178,8 +183,9 @@ namespace SpriteCompiler.Problem
{
public bool IsGoal(SpriteGeneratorState state)
{
// We have reached our goal when there is no data left to display
return state.IsEmpty;
// We have reached our goal when there is no data left to display and we are back in
// 16-bit mode
return state.IsEmpty && state.LongA && state.LongI;
}
}
@ -189,8 +195,7 @@ namespace SpriteCompiler.Problem
{
var actions = new List<CodeSequence>();
// If the accumulator holds an offset then we could move to any byte position. We do
// not allow two consecutive MOVE_STACK operations
// If the accumulator holds an offset then we could move to any byte position.
if (state.A.IsScreenOffset && !state.S.IsScreenOffset)
{
foreach (var datum in state.Bytes)
@ -200,7 +205,7 @@ namespace SpriteCompiler.Problem
}
// If the accumulator and stack are both initialized, only propose moves to locations
// before and after the current 256 byte window
// before and after the current 256 byte stack-relative window
if (state.A.IsScreenOffset && state.S.IsScreenOffset)
{
var addr = state.S.Value;
@ -230,7 +235,7 @@ namespace SpriteCompiler.Problem
foreach (var datum in state.Bytes.Where(x => (x.Offset - addr) < 255))
{
var offset = datum.Offset - addr;
actions.Add(new STACK_REL_8_BIT_IMMEDIATE_STORE((byte)offset, datum.Data));
actions.Add(new STACK_REL_8_BIT_IMMEDIATE_STORE(datum.Data, (byte)offset));
}
}
}