public void Export(Program program, TextWriter writer)
{
// Create new compiler
InstructionAssembler compiler = new InstructionAssembler(program.Processor);
string hexPattern = compiler.WideInstructions ? "{0:X5}" : "{0:X4}";
// Compile each instruction and write as hex
for (int i = 0; i < program.Instructions.Count; i++)
{
int result;
// Compile instruction
if (program.Instructions[i] == null)
result = 0;
else
result = compiler.Assemble(program.Instructions[i]);
// Write result
writer.WriteLine(hexPattern, result);
}
}
/// <summary>
/// Creates a new Visitor for the InstructionAssembler
/// </summary>
/// <param name="parent">parent assembler</param>
public Visitor(InstructionAssembler parent)
{
this.parent = parent;
}
public void Export(Program program, TextWriter writer)
{
// Only PicoBlaze currently supported
if (program.Processor != Processor.PicoBlaze)
throw new ExportException("VhdlExporter currently only supports the PicoBlaze 1");
// Create new compiler
InstructionAssembler compiler = new InstructionAssembler(program.Processor);
// Create hex lines
StringBuilder[] hexLines = new StringBuilder[16];
for (int i = 0; i < 16; i++)
{
hexLines[i] = new StringBuilder(64);
}
// Compile each instruction into the hex line
// This is done in reverse so the highest addresses appear first
for (int i = program.Instructions.Count - 1; i >= 0; i--)
{
int result;
// Compile instruction
if (program.Instructions[i] == null)
result = 0;
else
result = compiler.Assemble(program.Instructions[i]);
// Write result
hexLines[i / 16].Append(result.ToString("X4"));
}
// Write VHDL to writer
writer.WriteLine(VhdlSkeleton1, EntityName);
for (int i = 0; i < 16; i++)
writer.WriteLine(VhdlSkeletonLine1, i, hexLines[i]);
writer.WriteLine(VhdlSkeleton2);
for (int i = 0; i < 16; i++)
writer.WriteLine(VhdlSkeletonLine2, i, hexLines[i], (i == 15) ? ")" : ",");
writer.WriteLine(VhdlSkeleton3);
}