diff --git a/.serverdata/mh/Game.ini b/.serverdata/mh/Game.ini
index 14de959..2b9167a 100644
--- a/.serverdata/mh/Game.ini
+++ b/.serverdata/mh/Game.ini
@@ -54,3 +54,4 @@ ServerLagReportColor2=
 ChatFeedWebhookURL=
 ChatFeedColor=
 ServerPassword=
+
diff --git a/internal/ansi/util_test.go b/internal/ansi/util_test.go
new file mode 100644
index 0000000..3d24c89
--- /dev/null
+++ b/internal/ansi/util_test.go
@@ -0,0 +1,19 @@
+package ansi
+
+import "testing"
+
+func TestFormatSingleFlag(t *testing.T) {
+	result := Format("hello", Blue)
+	expected := "\033[34mhello\033[0m"
+	if result != expected {
+		t.Errorf("expected %q, got %q", expected, result)
+	}
+}
+
+func TestFormatMultipleFlags(t *testing.T) {
+	result := Format("hello", Blue, Bold)
+	expected := "\033[34;1mhello\033[0m"
+	if result != expected {
+		t.Errorf("expected %q, got %q", expected, result)
+	}
+}
diff --git a/internal/fullterm/app.go b/internal/fullterm/app.go
index dbdaaa6..97b7424 100644
--- a/internal/fullterm/app.go
+++ b/internal/fullterm/app.go
@@ -51,6 +51,17 @@ func (src *app) Submissions() <-chan string {
 	return src.submissionChan
 }
 
+func visibleContent(content []string, height int) []string {
+	currentRows := len(content)
+	// ngl i forgot why we adding plus 1.. oh well
+	startRow := max(currentRows-(height+1), 0)
+	return content[startRow:]
+}
+
+func formatCommandEcho(cmd string) string {
+	return ansi.Format("> "+cmd+"\n", ansi.Blue)
+}
+
 func (src *app) DrawContent(finalDraw bool) error {
 	_, height, err := term.GetSize(src.fd)
 	if err != nil {
@@ -59,9 +70,7 @@ func (src *app) DrawContent(finalDraw bool) error {
 	if !finalDraw {
 		fmt.Print(ansi.ClearScreen + ansi.CursorHome)
 	}
-	currentRows := len(src.content)
-	startRow := max(currentRows-(height+1), 0)
-	drawableRows := src.content[startRow:]
+	drawableRows := visibleContent(src.content, height)
 	for i := range drawableRows {
 		fmt.Print(drawableRows[i])
 	}
@@ -115,7 +124,7 @@ func (src *app) Run(context context.Context) error {
 		case newStdinInput := <-src.stdinChannel:
 			newCmd, isSubmission := constructCmdLine(newStdinInput, src.cmdLine)
 			if isSubmission {
-				src.content = append(src.content, ansi.Format("> "+string(newCmd)+"\n", ansi.Blue))
+				src.content = append(src.content, formatCommandEcho(string(newCmd)))
 				src.cmdLine = []byte{}
 				src.submissionChan <- string(newCmd)
 			} else {
diff --git a/internal/fullterm/app_test.go b/internal/fullterm/app_test.go
new file mode 100644
index 0000000..cbbc101
--- /dev/null
+++ b/internal/fullterm/app_test.go
@@ -0,0 +1,63 @@
+package fullterm
+
+import (
+	"testing"
+)
+
+func TestVisibleContentShorterThanWindow(t *testing.T) {
+	content := []string{"line1\n", "line2\n", "line3\n"}
+	result := visibleContent(content, 10)
+	if len(result) != len(content) {
+		t.Fatalf("expected %d rows, got %d", len(content), len(result))
+	}
+	for i, row := range result {
+		if row != content[i] {
+			t.Errorf("row %d: expected %q, got %q", i, content[i], row)
+		}
+	}
+}
+
+func TestVisibleContentExactlyFitsWindow(t *testing.T) {
+	content := []string{"line1\n", "line2\n", "line3\n"}
+	// height+1 == len(content), so startRow == 0
+	result := visibleContent(content, len(content)-1)
+	if len(result) != len(content) {
+		t.Fatalf("expected %d rows, got %d", len(content), len(result))
+	}
+}
+
+func TestVisibleContentOverflowsWindow(t *testing.T) {
+	content := []string{"line1\n", "line2\n", "line3\n", "line4\n", "line5\n"}
+	height := 2
+	result := visibleContent(content, height)
+	// startRow = max(5 - 3, 0) = 2, so rows 2,3,4
+	expectedLen := height + 1
+	if len(result) != expectedLen {
+		t.Fatalf("expected %d rows, got %d", expectedLen, len(result))
+	}
+	if result[0] != "line3\n" {
+		t.Errorf("expected first visible row to be 'line3\\n', got %q", result[0])
+	}
+	if result[len(result)-1] != "line5\n" {
+		t.Errorf("expected last visible row to be 'line5\\n', got %q", result[len(result)-1])
+	}
+}
+
+func TestVisibleContentEmpty(t *testing.T) {
+	result := visibleContent([]string{}, 10)
+	if len(result) != 0 {
+		t.Fatalf("expected empty result, got %d rows", len(result))
+	}
+}
+
+func TestVisibleContentZeroHeight(t *testing.T) {
+	content := []string{"line1\n", "line2\n", "line3\n"}
+	result := visibleContent(content, 0)
+	// startRow = max(3 - 1, 0) = 2, so only last row
+	if len(result) != 1 {
+		t.Fatalf("expected 1 row, got %d", len(result))
+	}
+	if result[0] != "line3\n" {
+		t.Errorf("expected 'line3\\n', got %q", result[0])
+	}
+}