diff --git a/src/elib/io.asm b/src/elib/io.asm
index 8c4328d..34c62e2 100644
--- a/src/elib/io.asm
+++ b/src/elib/io.asm
@@ -13,8 +13,8 @@ print:
 
 
 		; BIOS Printing
-		mov ah, BIOS_MODE_TELETYPE ; enter tty mode
-		int BIOS_INT ; interupt and print the char (from line 10)
+		mov ah, BIOS_TTY_MODE ; enter teletype mode
+		int BIOS_TTY_INT ; interupt and print the char (from line 10)
 
 		; Preperation for next iteration
 		inc bx ; increment the pointer to get next char
diff --git a/src/equ/BIOS.asm b/src/equ/BIOS.asm
index bfbec56..1c216c7 100644
--- a/src/equ/BIOS.asm
+++ b/src/equ/BIOS.asm
@@ -1,3 +1,6 @@
 ; EQUs (lazy variables) for BIOS stuff
-BIOS_INT equ 0x10
-BIOS_MODE_TELETYPE equ 0x0e
+BIOS_TTY_INT 		equ 0x10
+BIOS_TTY_MODE		equ 0x0e
+
+BIOS_READ_INT		equ 0x13
+BIOS_READ_MODE		equ 0x02