Restructure the interrupt vector distribution for better matching of their inherit...

[lunaix-os.git] / lunaix-os / kernel / tty / tty.c

diff --git a/lunaix-os/kernel/tty/tty.c b/lunaix-os/kernel/tty/tty.c
index e9aa42aba3fe09c713e2508baf2e7e0a07844726..4a20a77b2a20885e514c589593186145ccfbacdc 100644 (file)
--- a/lunaix-os/kernel/tty/tty.c
+++ b/lunaix-os/kernel/tty/tty.c
@@ -1,17 +1,17 @@
 #include <klibc/string.h>
 #include <lunaix/tty/tty.h>
 #include <klibc/string.h>
 #include <lunaix/tty/tty.h>

-#include <lunaix/constants.h>
+#include <lunaix/common.h>

 #include <stdint.h>
 
 #define TTY_WIDTH 80
 #define TTY_HEIGHT 25
 
 #include <stdint.h>
 
 #define TTY_WIDTH 80
 #define TTY_HEIGHT 25
 

-vga_attribute* tty_vga_buffer = (vga_attribute*)VGA_BUFFER_PADDR;
+static vga_attribute* tty_vga_buffer = (vga_attribute*)VGA_BUFFER_PADDR;

 
 

-vga_attribute tty_theme_color = VGA_COLOR_BLACK;
+static vga_attribute tty_theme_color = VGA_COLOR_BLACK;

 
 

-uint32_t tty_x = 0;
-uint16_t tty_y = 0;
+static uint32_t tty_x = 0;
+static uint16_t tty_y = 0;

 
 void tty_init(void* vga_buf) {
     tty_vga_buffer = (vga_attribute*)vga_buf;
 
 void tty_init(void* vga_buf) {
     tty_vga_buffer = (vga_attribute*)vga_buf;


@@ -41,6 +41,10 @@ tty_put_char(char chr)
         case '\r':
             tty_x = 0;
             break;
         case '\r':
             tty_x = 0;
             break;

+        case '\x08':
+            tty_x = tty_x ? tty_x - 1 : 0;
+            *(tty_vga_buffer + tty_x + tty_y * TTY_WIDTH) = (tty_theme_color | 0x20);
+            break;

         default:
             *(tty_vga_buffer + tty_x + tty_y * TTY_WIDTH) = (tty_theme_color | chr);
             tty_x++;
         default:
             *(tty_vga_buffer + tty_x + tty_y * TTY_WIDTH) = (tty_theme_color | chr);
             tty_x++;