From d9324456b4dd4b3a520534fa7a2996358d3484f0 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 21 Sep 2019 18:26:46 +0200
Subject: Added clear command

---
 src/kernel/commands/command.c | 2 ++
 src/kernel/graphics/vga.c     | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/kernel/commands/command.c b/src/kernel/commands/command.c
index c673b44..df33a24 100644
--- a/src/kernel/commands/command.c
+++ b/src/kernel/commands/command.c
@@ -16,6 +16,8 @@ void exec_command(char *command) {
         terminal_write_line("I can't help you write now");
     else if (starts_with(command, "ping"))
         terminal_write_line("pong!");
+    else if (starts_with(command, "clear"))
+        terminal_clear();
     else if (starts_with(command, "shutdown"))
         acpi_poweroff();
     else if (starts_with(command, "zzz"))
diff --git a/src/kernel/graphics/vga.c b/src/kernel/graphics/vga.c
index a72ea91..3e910f1 100644
--- a/src/kernel/graphics/vga.c
+++ b/src/kernel/graphics/vga.c
@@ -44,6 +44,8 @@ uint16_t *terminal_buffer;
 char text[1024] = {0};
 
 void terminal_clear() {
+    terminal_row = 0;
+    terminal_column = 0;
     for (size_t y = 0; y < VGA_HEIGHT; y++) {
         for (size_t x = 0; x < VGA_WIDTH; x++) {
             const size_t index = y * VGA_WIDTH + x;
-- 
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