diff --git a/src/equ/BIOS.asm b/src/equ/BIOS.asm
index bfbec56..ebc9ebc 100644
--- a/src/equ/BIOS.asm
+++ b/src/equ/BIOS.asm
@@ -1,3 +1,5 @@
 ; EQUs (lazy variables) for BIOS stuff
-BIOS_INT equ 0x10
-BIOS_MODE_TELETYPE equ 0x0e
+BIOS_INT 		equ 0x10
+
+BIOS_MODE_TELETYPE 	equ 0x0e
+BIOS_MODE_READ		equ 0x02