time

2 files changed, 11 insertions, 2 deletions

diff --git a/kernel/src/tty/term.c b/kernel/src/tty/term.c
index 4f75788..231d38b 100644
--- a/kernel/src/tty/term.c
+++ b/kernel/src/tty/term.c
@@ -9,7 +9,8 @@
 #include "color.h"
 #include "cursor.h"
 
-uint16_t *buffer;
+uint16_t buffer[TERM_W * TERM_H * sizeof(uint16_t)];
+uint16_t *front;
 uint8_t x, y;
 uint8_t color;
 
@@ -27,7 +28,7 @@ static void term_clear_line(int y) {
 void term_init (void) {
     x = 0;
     y = 0;
-    buffer = (uint16_t*) 0xb8000;
+    front = (uint16_t*) 0xb8000;
     term_setfg(VGA_WHITE);
     term_setbg(VGA_BLACK);
     term_clear();
@@ -129,3 +130,9 @@ void putchar(int c) {
 bool term_newline(void) {
     return x == 0;
 }
+
+void term_flush(void) {
+    int_disable();
+    memcpy(front, buffer, TERM_W * TERM_H * sizeof(uint16_t));
+    int_enable();
+}
diff --git a/kernel/src/tty/term.h b/kernel/src/tty/term.h
index f6eb555..ceda255 100644
--- a/kernel/src/tty/term.h
+++ b/kernel/src/tty/term.h
@@ -25,3 +25,5 @@ uint16_t term_save_col(void);
 void term_load_col(uint16_t color);
 
 bool term_newline(void);
+
+void term_flush(void);