Cosmos/source2/Compiler/Cosmos.Compiler.DebugStub/DebugStub.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Cosmos.Compiler.XSharp;

namespace Cosmos.Compiler.DebugStub {
    public class DebugStub : CodeGroup {

        public class WriteALToComPort : CodeBlock {
            // Input AL
            // Output: None
            // Modifies: EAX, EDX, ESI

            // inherited .Call()

            public override void Assemble() {
                //TODO: Make a data point to put this in instead of using stack
                EAX.Push();
                ESI = ESP;
                Call("WriteByteToComPort");
                EAX.Pop(); // Is a local, cant use Return(4)
            }
        }

        public class Cls: CodeBlock {
            public override void Assemble() {
                uint xBase = 0xB800;
                
                ESI = xBase;
                // TODO: X# upgrade this
                Label = "DebugStub_Cls_More";
                Memory[ESI, 32] = 0x0A; // Colour
                ESI++;
                Memory[ESI, 32] = 0x00; // Text
                ESI++;
                ESI.Compare(xBase + 25 * 80 * 2);
                JumpIf(Flags.LessThan, "DebugStub_Cls_More");
            }
        }

    }
}