finished tty system for now

src/kernel/stdlib.c

@@ -1,4 +1,5 @@
 #include "../headers/stdlib.h"
+#include "../headers/graphics.h"
 
 uint32_t strlen32(char* str) {
     uint32_t i = 0;
@@ -27,4 +28,23 @@ void memcopy(void* dest, void* src, size_t size) {
     for (size_t i=0;i<size;i++) {
         ((uint8_t*)dest)[i] = ((uint8_t*)src)[i];
     }
+}
+void kpanic(char* msg) {
+    for (uint16_t x=0;x<320;x++) {
+		for (uint16_t y=0;y<200;y++) {
+			VGA_setpix(x,y,(VGA_pixel){0x00,0xFF,0x00});
+		}
+	}
+    size_t x=0;
+    size_t y=0;
+    while (*msg != 0) {
+        if (*msg == '\n') {
+            y ++;
+            x = 0;
+            msg ++;
+            continue;
+        }
+        _VGA_renchar(x++,y,*msg++,(uint8_t[]){0xFF,0xFF,0xFF},(uint8_t[]){0x00,0xFF,0x00});
+    }
+    while (1) {}
 }