fixed bugs and revolutionized the universe

6 files changed, 190 insertions, 0 deletions

diff --git a/RegionVisualiser/BoxDrawer.cs b/RegionVisualiser/BoxDrawer.cs
new file mode 100644
index 0000000..77d0fc7
--- /dev/null
+++ b/RegionVisualiser/BoxDrawer.cs
@@ -0,0 +1,49 @@
+namespace RegionVisualiser;
+
+public static class BoxDrawer
+{
+    public static void DrawBox(string title, string body, int width = 0, string head = "", string tail = "")
+    {
+        int leftPad = Math.Max(head.Length, tail.Length);
+        var lines = body.Split('\n');
+        int maxWidth = Math.Max(Math.Max(title.Length + 2, BoxDrawer.GetMaxWidth(lines) + 1), width);
+
+        // Top border with centered title
+        string top = "┌" + BoxDrawer.CenterText($" {title} ", maxWidth, '─') + "┐";
+        Console.Write(head);
+        Console.CursorLeft = leftPad;
+        Console.WriteLine(top);
+
+        // Body lines, left aligned
+        foreach (var line in lines)
+        {
+            Console.CursorLeft = leftPad;
+            Console.WriteLine("│ " + line.PadRight(maxWidth - 1) + "│");
+        }
+
+        // Bottom border
+        string bottom = "└" + new string('─', maxWidth) + "┘";
+        Console.Write(tail);
+        Console.CursorLeft = leftPad;
+        Console.WriteLine(bottom);
+    }
+
+    private static int GetMaxWidth(string[] lines)
+    {
+        int width = 0;
+        foreach (var l in lines)
+            if (l.Length + 1 > width) width = l.Length + 1;
+        return width;
+    }
+
+    private static string CenterText(string text, int width, char fill)
+    {
+        int totalPad = width - text.Length;
+        if (totalPad <= 0) return text;
+
+        int left = totalPad / 2;
+        int right = totalPad - left;
+
+        return new string(fill, left) + text + new string(fill, right);
+    }
+}
\ No newline at end of file
diff --git a/RegionVisualiser/Program.cs b/RegionVisualiser/Program.cs
new file mode 100644
index 0000000..029f324
--- /dev/null
+++ b/RegionVisualiser/Program.cs
@@ -0,0 +1,74 @@
+namespace RegionVisualiser;
+
+using Q1.Emulator;
+
+class Program
+{
+    static void Main(string[] args)
+    {
+        Region[] regions =
+        [
+            new Region
+            {
+                Name = "ROM",
+                Info = $"ProgramStart: 0x{Q1Layout.ProgramStart:X4}",
+                Start = Q1Layout.Rom.start,
+                Size = Q1Layout.Rom.size
+            },
+            new Region
+            {
+                Name = "Memory",
+                Info =
+                    $"Stack: 0x{Q1Layout.StackStart:X4}-0x{Q1Layout.StackStart + Q1Layout.StackLength:X4}"
+                    + $" ({Q1Layout.StackLength}b)\n"
+                    + $"Free : 0x{Q1Layout.FreeMemoryStart:X4}",
+                Start = Q1Layout.Memory.start,
+                Size = Q1Layout.Memory.size
+            },
+            new Region
+            {
+                Name = "Display",
+                Info = $"Palette   : {Q1Layout.DisplayPaletteSize} colors\n"
+                       + $"Offset    : 0x{Q1Layout.Display.start + Q1Layout.DisplayPaletteSize * 3:X4}\n"
+                       + $"Dimensions: {Q1Layout.DisplayWidth}x{Q1Layout.DisplayHeight}",
+                Start = Q1Layout.Display.start,
+                Size = Q1Layout.Display.size
+            },
+            new Region
+            {
+                Name = "HID Module",
+                Info = $"Mouse IDX  : 0x{Q1Layout.Hid.start:X4}\n"
+                       + $"Mouse state: 0x{Q1Layout.Hid.start + 2:X4}\n"
+                       + $"Keyboard SK: 0x{Q1Layout.Hid.start + 4:X4}",
+                Start = Q1Layout.Hid.start,
+                Size = Q1Layout.Hid.size
+            },
+        ];
+
+        regions = regions.OrderBy(x => x.Start).ToArray();
+
+        int lastRegionEnd = -1;
+        for (int i = 0; i < regions.Length; i++)
+        {
+            Region r = regions[i];
+            if (r.Start != lastRegionEnd + 1)
+            {
+                Console.WriteLine($" 0x{lastRegionEnd + 1:X4} ────" + new string('─', 50));
+                Console.WriteLine($"           [ Unmapped / Reserved ({SizeFormatter.HumanReadable(r.Start - lastRegionEnd)}) ]");
+            }
+            BoxDrawer.DrawBox(
+                $"{r.Name} ({SizeFormatter.HumanReadable(r.Size)})",
+                r.Info,
+                width: 50,
+                head: $" 0x{r.Start:X4} ── ");
+
+            lastRegionEnd = r.End;
+        }
+        
+        if (lastRegionEnd + 1 != UInt16.MaxValue)
+        {
+            Console.WriteLine($" 0x{lastRegionEnd + 1:X4} ────" + new string('─', 50));
+            Console.WriteLine($"           [ Unmapped / Reserved ({SizeFormatter.HumanReadable(UInt16.MaxValue - lastRegionEnd)}) ]");
+        }
+    }
+}
\ No newline at end of file
diff --git a/RegionVisualiser/Region.cs b/RegionVisualiser/Region.cs
new file mode 100644
index 0000000..bee39f5
--- /dev/null
+++ b/RegionVisualiser/Region.cs
@@ -0,0 +1,10 @@
+namespace RegionVisualiser;
+
+public class Region
+{
+    public string Name;
+    public int Start;
+    public int Size;
+    public int End => this.Start + this.Size -1;
+    public string Info;
+}
\ No newline at end of file
diff --git a/RegionVisualiser/RegionVisualiser.csproj b/RegionVisualiser/RegionVisualiser.csproj
new file mode 100644
index 0000000..d7bfae3
--- /dev/null
+++ b/RegionVisualiser/RegionVisualiser.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Emulator\Emulator.csproj" />
+    </ItemGroup>
+
+</Project>
diff --git a/RegionVisualiser/SizeFormatter.cs b/RegionVisualiser/SizeFormatter.cs
new file mode 100644
index 0000000..3479bd8
--- /dev/null
+++ b/RegionVisualiser/SizeFormatter.cs
@@ -0,0 +1,25 @@
+namespace RegionVisualiser;
+
+public static class SizeFormatter
+{
+    private static readonly string[] Units = ["bytes", "KB", "MB", "GB", "TB"];
+
+    public static string HumanReadable(long bytes)
+    {
+        if (bytes < 1024) return $"{bytes} {SizeFormatter.Units[0]}";
+
+        double value = bytes;
+        int unit = 0;
+
+        while (value >= 1024 && unit < SizeFormatter.Units.Length - 1)
+        {
+            value /= 1024;
+            unit++;
+        }
+
+        // Show up to 2 decimal places if not whole
+        return value % 1 == 0
+            ? $"{value:0} {SizeFormatter.Units[unit]}"
+            : $"{value:0.##} {SizeFormatter.Units[unit]}";
+    }
+}
\ No newline at end of file
diff --git a/RegionVisualiser/output.txt b/RegionVisualiser/output.txt
new file mode 100644
index 0000000..ecf83cc
--- /dev/null
+++ b/RegionVisualiser/output.txt
@@ -0,0 +1,18 @@
+ 0x0000 ──────────────────────────────────────────────────────
+           [ Unmapped / Reserved (8 KB) ]
+ 0x1FFF ── ┌─────────────────── ROM (8 KB) ───────────────────┐
+           │ ProgramStart: 0x1FFF                             │
+           └──────────────────────────────────────────────────┘
+ 0x3FFF ── ┌─────────────── Display (8.05 KB) ────────────────┐
+           │ Palette: 16 colors                               │
+           │ Offset: 0x402F                                   │
+           │ Dimensions: 128x64                               │
+           └──────────────────────────────────────────────────┘
+ 0x602F ──────────────────────────────────────────────────────
+           [ Unmapped / Reserved (3.95 KB) ]
+ 0x6FFF ── ┌───────────────── Memory (16 KB) ─────────────────┐
+           │ Stack: 0x6FFF-0x71FF (512b)                      │
+           │ Free : 0x71FF                                    │
+           └──────────────────────────────────────────────────┘
+ 0xAFFF ──────────────────────────────────────────────────────
+           [ Unmapped / Reserved (20 KB) ]
\ No newline at end of file