Small ui changes to fit the window better.

src/simulator/gui_bottom_tabs.odin

@@ -6,7 +6,7 @@ gui_bottom_tabs :: proc(rect: rl.Rectangle, sim: ^Simulator) {
 	rl.DrawRectangleLinesEx(rect, 1, rl.GRAY)
 
 	// Setup tab bar
-	tabs := [?]cstring{ "Memory", "Disassembly", "Log" }
+	tabs := [?]cstring{ "Memory", "Log" }
 
 	tab_bar_rect := rl.Rectangle{
 		rect.x,

src/simulator/gui_tab_disasm.odin

@@ -6,42 +6,54 @@ import rl "vendor:raylib"
 
 gui_tab_disasm :: proc(rect: rl.Rectangle, sim: ^Simulator) {
     rl.DrawRectangleRec(rect, rl.DARKGRAY)
-	rl.GuiPanel(rect, "Disassembly")
+
+    // Header background
+    rl.DrawRectangle(i32(rect.x), i32(rect.y), i32(rect.width), i32(PANEL_HEADER), rl.BLACK)
+    // Header: Address label
+    rl.DrawTextEx(sim.font, "Disassembled Instructions", {rect.x + 4, rect.y + 4}, 18, 1, rl.WHITE)
+
+
+    // Scroll panel area (below header)
+    panel_rect := rl.Rectangle{
+        rect.x,
+        rect.y + PANEL_HEADER,
+        rect.width,
+        rect.height - PANEL_HEADER,
+    }
+	rl.GuiPanel(panel_rect, nil)
 
 	LINE_HEIGHT :: 22
 
 	// Total height of all instructions
-	conten_height := f32(len(sim.disasm)) * LINE_HEIGHT
-
 	content_rect := rl.Rectangle {
-		x = rect.x,
-		y = rect.y,
-		width = rect.width + PANEL_HEADER,
-		height = conten_height,
+		x = panel_rect.x,
+		y = panel_rect.y - PANEL_HEADER,
+		width = panel_rect.width + PANEL_HEADER,
+		height = f32(len(sim.disasm)) * LINE_HEIGHT
 	}
 
 	view:   rl.Rectangle
-	rl.GuiScrollPanel(rect, nil, content_rect, &sim.disasm_scroll, &view)
+	rl.GuiScrollPanel(panel_rect, nil, content_rect, &sim.disasm_scroll, &view)
 
 	rl.BeginScissorMode(i32(view.x), i32(view.y), i32(view.width), i32(view.height))
 	defer rl.EndScissorMode()
 
 	for entry, i in sim.disasm {
-        y_pos := rect.y + PANEL_HEADER + (f32(i) * LINE_HEIGHT) + sim.disasm_scroll.y
+	    y_pos := panel_rect.y + (f32(i) * LINE_HEIGHT) + sim.disasm_scroll.y
 
 		txt := fmt.tprintf("%d : %s", i, entry.str)
 		bg_color  := rl.DARKGRAY if entry.address != sim.machine.pc else rl.BLACK
 		txt_color := rl.WHITE
 
 		rl.DrawRectangleV(
-			{rect.x + sim.disasm_scroll.x, y_pos},
-			{rect.width, LINE_HEIGHT},
+			{panel_rect.x + sim.disasm_scroll.x, y_pos},
+			{panel_rect.width, LINE_HEIGHT},
 			bg_color,
 		)
 		rl.DrawTextEx(
 			sim.font,
 			strings.clone_to_cstring(txt, context.temp_allocator),
-			{rect.x + PADDING_X + sim.disasm_scroll.x, y_pos},
+			{panel_rect.x + PADDING_X + sim.disasm_scroll.x, y_pos},
 			18, 1,
 			txt_color,
 		)

src/simulator/gui_tab_memory.odin

@@ -7,7 +7,6 @@ import rl "vendor:raylib"
 MEM_INDICATOR_W   :: 14
 MEM_ADDRESS_W     :: 72
 MEM_ROW_H         :: 20
-MEM_HEADER_H      :: 24
 MEM_BYTES_PER_ROW :: 16
 MEM_TOTAL_ROWS    :: 256
 MEM_FONT_ROWS     :: 5
@@ -25,32 +24,32 @@ gui_tab_memory :: proc(rect: rl.Rectangle, sim: ^Simulator) {
     rl.DrawRectangleRec(rect, rl.DARKGRAY)
 
     // Header background
-    rl.DrawRectangle(i32(rect.x), i32(rect.y), i32(rect.width), MEM_HEADER_H, rl.BLACK)
+    rl.DrawRectangle(i32(rect.x), i32(rect.y), i32(rect.width), i32(PANEL_HEADER), rl.BLACK)
 
     // Header: Address label
-    rl.DrawTextEx(sim.font, "Address", {rect.x + MEM_INDICATOR_W, rect.y + 4}, 16, 1, rl.GRAY)
+    rl.DrawTextEx(sim.font, "Address", {rect.x + MEM_INDICATOR_W, rect.y + 4}, 18, 1, rl.WHITE)
 
     // Header: column labels 0-F
     col_w := byte_col_w(rect)
     for col in 0..<16 {
         x     := rect.x + MEM_INDICATOR_W + MEM_ADDRESS_W + f32(col) * col_w
         label := strings.clone_to_cstring(MEM_COL_LABELS[col], context.temp_allocator)
-        rl.DrawTextEx(sim.font, label, {x, rect.y + 4}, 16, 1, rl.GRAY)
+        rl.DrawTextEx(sim.font, label, {x, rect.y + 4}, 18, 1, rl.WHITE)
     }
 
     // Header separator
     rl.DrawLine(
-        i32(rect.x), i32(rect.y + MEM_HEADER_H),
-        i32(rect.x + rect.width), i32(rect.y + MEM_HEADER_H),
+        i32(rect.x), i32(rect.y + PANEL_HEADER),
+        i32(rect.x + rect.width), i32(rect.y + PANEL_HEADER),
         rl.GRAY,
     )
 
     // Scroll panel area (below header)
     panel_rect := rl.Rectangle{
         rect.x,
-        rect.y + MEM_HEADER_H,
+        rect.y + PANEL_HEADER,
         rect.width,
-        rect.height - MEM_HEADER_H,
+        rect.height - PANEL_HEADER,
     }
 
     content_rect := rl.Rectangle{
@@ -66,7 +65,7 @@ gui_tab_memory :: proc(rect: rl.Rectangle, sim: ^Simulator) {
 
     draw_row := 0
 
-    // --- Font rows (0x000 - 0x04F) ---
+    // Font rows (0x000 - 0x04F)
     for row in 0..<MEM_FONT_ROWS {
         addr  := row * MEM_BYTES_PER_ROW
         row_y := panel_rect.y + f32(draw_row) * MEM_ROW_H + sim.mem_scroll.y
@@ -74,7 +73,6 @@ gui_tab_memory :: proc(rect: rl.Rectangle, sim: ^Simulator) {
         draw_row += 1
     }
 
-    // --- Divider ---
     divider_y := panel_rect.y + f32(draw_row) * MEM_ROW_H + sim.mem_scroll.y
     rl.DrawRectangle(i32(rect.x), i32(divider_y), i32(rect.width), MEM_ROW_H, rl.ColorAlpha(rl.BLACK, 0.4))
     rl.DrawTextEx(
@@ -85,7 +83,7 @@ gui_tab_memory :: proc(rect: rl.Rectangle, sim: ^Simulator) {
     )
     draw_row += 1
 
-    // --- ROM rows (0x200 onwards) ---
+    // ROM rows (0x200 onwards)
     for i := 0; MEM_ROM_START + i * MEM_BYTES_PER_ROW < 4096; i += 1 {
         addr  := MEM_ROM_START + i * MEM_BYTES_PER_ROW
         row_y := panel_rect.y + f32(draw_row) * MEM_ROW_H + sim.mem_scroll.y