diff --git a/zsnes/src/cpu/regs.inc b/zsnes/src/cpu/regs.inc
index 58ea2eb6..de416b4d 100644
--- a/zsnes/src/cpu/regs.inc
+++ b/zsnes/src/cpu/regs.inc
@@ -63,6 +63,7 @@ NEWSYM initregr
     setreg 2141h*4,reg2141r
     setreg 2142h*4,reg2142r
     setreg 2143h*4,reg2143r
+    setreg 2144h*4,reg2144r
     setreg 2180h*4,reg2180r
     setreg 4016h*4,reg4016r
     setreg 4017h*4,reg4017r
@@ -829,6 +830,10 @@ reg2143r:
     mov al,[xa+1]
     ret
 
+reg2144r:
+    xor al,al
+    ret
+
 ; WRAM Read
 reg2180r:
     mov ebx,[wramrwadr]