cleaned up some log messages, polished up the kb driver a bit, etc

kernel/arch/idt/idt.c

@@ -16,6 +16,8 @@ static idtr_t idtr;
 
 static bool vectors[IDT_MAX_DESCRIPTORS];
 
+extern struct keyboard_state keyb_state;
+
 void exception_handler(unsigned int i)
 {
 	if (i <= 31) { // TODO: implement proper handling for each exception, also implement the proper gates & error code checking
@@ -28,10 +30,7 @@ void exception_handler(unsigned int i)
 
 	if (i == PIC_KEYB) {
 		unsigned char in = inb(0x60);
-#ifdef __TESTING__
-		printf("scancode: %x\n", in);
-#endif
-
+		do_keypress(decode_scancode(in));
 		PIC_sendEOI(1);
 	}
 }