Add ram dump debug window

6 files changed, 50 insertions, 4 deletions

diff --git a/src/main/kotlin/gui/CpuRegisterWindow.kt b/src/main/kotlin/gui/CpuRegisterWindow.kt
index 618d298..b7f9116 100644
--- a/src/main/kotlin/gui/CpuRegisterWindow.kt
+++ b/src/main/kotlin/gui/CpuRegisterWindow.kt
@@ -8,7 +8,7 @@ import imgui.ImGui
 fun paintCpuRegisterWindow(registers: Registers) {
   with(ImGui) {
     setNextWindowSize(Vec2(200, 250), Cond.FirstUseEver)
-    setNextWindowPos(Vec2(20, 150), Cond.FirstUseEver)
+    setNextWindowPos(Vec2(15, 80), Cond.FirstUseEver)
     begin("CPU state")
 
     text("Registers:")
diff --git a/src/main/kotlin/gui/DebugWindow.kt b/src/main/kotlin/gui/DebugWindow.kt
index d80d2b3..f336ef6 100644
--- a/src/main/kotlin/gui/DebugWindow.kt
+++ b/src/main/kotlin/gui/DebugWindow.kt
@@ -6,7 +6,7 @@ import imgui.ImGui
 
 fun paintDebugWindow() {
   with(ImGui) {
-    setNextWindowPos(Vec2(20, 50), Cond.FirstUseEver)
+    setNextWindowPos(Vec2(15, 10), Cond.FirstUseEver)
     begin("Debug info")
     text("%.1f FPS (%.2f ms/frame)", io.framerate, 1_000f / io.framerate)
     end()
diff --git a/src/main/kotlin/gui/EmulationOutputWindow.kt b/src/main/kotlin/gui/EmulationOutputWindow.kt
index 489edbe..14fe246 100644
--- a/src/main/kotlin/gui/EmulationOutputWindow.kt
+++ b/src/main/kotlin/gui/EmulationOutputWindow.kt
@@ -7,7 +7,7 @@ import imgui.ImGui
 fun paintEmulationOutputWindow() {
   with(ImGui) {
     setNextWindowSize(Vec2(640, 576), Cond.FirstUseEver)
-    setNextWindowPos(Vec2(400, 50), Cond.FirstUseEver)
+    setNextWindowPos(Vec2(620, 10), Cond.FirstUseEver)
     begin("Emulation output - 4x scale")
     text("TODO - actually render something...")
     end()
diff --git a/src/main/kotlin/gui/RamDumpWindow.kt b/src/main/kotlin/gui/RamDumpWindow.kt
new file mode 100644
index 0000000..da30162
--- /dev/null
+++ b/src/main/kotlin/gui/RamDumpWindow.kt
@@ -0,0 +1,43 @@
+package gui
+
+import glm_.vec2.Vec2
+import imgui.Cond
+import imgui.ImGui
+import ram.Ram
+
+fun paintRamDumpWindow(ram: Ram) {
+  with(ImGui) {
+    setNextWindowSize(Vec2(425, 300), Cond.FirstUseEver)
+    setNextWindowPos(Vec2(15, 340), Cond.FirstUseEver)
+
+    begin("Ram dump")
+
+    // TODO - lock range to scroll position
+    paintRamRange(0, 0x00FF, ram.ram)
+
+    end()
+  }
+}
+
+private fun paintRamRange(startAddress: Int, endAddress: Int, data: IntArray) {
+  (startAddress .. endAddress step 16).forEach {
+    paintLine(it, data)
+  }
+}
+
+private fun paintLine(startAddress: Int, data: IntArray) {
+  val sb = StringBuilder()
+  sb.append(String.format("0x%04X: ", startAddress))
+
+  (0..15).forEach {
+    val address = startAddress + it
+    if(address <= (data.size-1)) {
+      sb.append(String.format("%02X ", data[startAddress + it]))
+      if(it == 7) {sb.append(" ")}
+    }
+  }
+
+  ImGui.text(sb.toString())
+}
+
+
diff --git a/src/main/kotlin/gui/RunControlWindow.kt b/src/main/kotlin/gui/RunControlWindow.kt
index 8ffc764..cff33e5 100644
--- a/src/main/kotlin/gui/RunControlWindow.kt
+++ b/src/main/kotlin/gui/RunControlWindow.kt
@@ -8,7 +8,9 @@ import imgui.ImGui
 fun paintRunControlWindow(cpu: Cpu) {
   with(ImGui) {
 
-    setNextWindowPos(Vec2(20, 410), Cond.FirstUseEver)
+    setNextWindowSize(Vec2(120, 200), Cond.FirstUseEver)
+    setNextWindowPos(Vec2(220, 80), Cond.FirstUseEver)
+
     begin("Run control")
 
     text("Current op:")
diff --git a/src/main/kotlin/gui/WindowContainer.kt b/src/main/kotlin/gui/WindowContainer.kt
index 4d58c18..8dcd37b 100644
--- a/src/main/kotlin/gui/WindowContainer.kt
+++ b/src/main/kotlin/gui/WindowContainer.kt
@@ -58,6 +58,7 @@ class WindowContainer {
       paintEmulationOutputWindow()
       paintCpuRegisterWindow(cpu.registers)
       paintRunControlWindow(cpu)
+      paintRamDumpWindow(cpu.ram)
     }
 
     gln.glViewport(window.framebufferSize)