From 8f45cf6ad06dc4efed7b7070cf755ed9d6ad1eea Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Wed, 24 Jun 2020 20:21:37 +0200
Subject: Base: added tty handling of \b and \r

---
 src/pOS/arch/x86/kernel/drivers/keyboard/kbbuf.cpp | 6 ++----
 src/pOS/arch/x86/kernel/tty.cpp                    | 9 ++++++++-
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/pOS/arch/x86/kernel/drivers/keyboard/kbbuf.cpp b/src/pOS/arch/x86/kernel/drivers/keyboard/kbbuf.cpp
index ceac96b..0892865 100644
--- a/src/pOS/arch/x86/kernel/drivers/keyboard/kbbuf.cpp
+++ b/src/pOS/arch/x86/kernel/drivers/keyboard/kbbuf.cpp
@@ -19,13 +19,10 @@ int KB_BUF::scan(unsigned char code)
 
   switch(code)
   {
+  /* IMPLEMENT WITH SIG CODES */
     case ESC:
         break;
 
-    case BACKSPACE:
-        TTY::tty_delete(1);
-        break;
-
     case UP_ARROW:
         if(shifted)
             TTY::tty_scroll(+1);
@@ -47,6 +44,7 @@ int KB_BUF::scan(unsigned char code)
         else
             TTY::tty_cursor_move(0, +1);
         break;
+    /* IMPLEMENT WITH SIG CODES */
 
     case LSHIFT_PRESS:
     case RSHIFT_PRESS:
diff --git a/src/pOS/arch/x86/kernel/tty.cpp b/src/pOS/arch/x86/kernel/tty.cpp
index fc796bd..f82fd5e 100644
--- a/src/pOS/arch/x86/kernel/tty.cpp
+++ b/src/pOS/arch/x86/kernel/tty.cpp
@@ -81,7 +81,14 @@ int TTY::tty_putentryat(unsigned char c, uint8_t color, size_t x, size_t y)
     {
         tty_x += TAB_INDENTATION;
         tty_map[x][y] = VGA::vga_entry(' ', color);
-    } //add \r, delete etc
+    }
+    else if(c == '\b')
+    {
+        TTY::tty_delete(1);
+        tty_x--;
+    }
+    else if(c == '\r')
+        tty_x = 0;
     else
         tty_map[x][y] = VGA::vga_entry(c, color);
 
-- 
cgit 1.4.1