diff --git a/src/buzbee.s b/src/buzbee.s
index a3423f2..8a50683 100644
--- a/src/buzbee.s
+++ b/src/buzbee.s
@@ -42,7 +42,7 @@ BBVAR tagbbvar
 BUZBEE
   lbsr NEWLINE ; Setup the new input line and handle display.
   bsr INPLOOP  ; Fill input buffer.
-  cmpy #$0000  ; No data?
+  cmpy #0      ; No data?
   beq BUZBEE   ;  Try again...
   ; TODO: Parse the input buffer into tokens
   lbsr RUNIF
@@ -58,7 +58,7 @@ BUZBEE
 ; offset in the input buffer of the last char read.
 INPLOOP
   jsr PINCHAR          ; Try to read a char
-  cmpd #$0000          ; If no char keep waitin'
+  cmpd #0              ; If no char keep waitin'
   beq INPLOOP
   bitb #UARTF_LSR_DR   ; Is there a char in A?
   beq NOCHAR@
@@ -101,7 +101,7 @@ HCR@
 HESC@
   lda #'^              ; Print a char that signifies that ESC was pressed
   jsr POUTCHAR
-  ldy #$0000           ; On return we cmpy #$0000 and if eq then newline.
+  ldy #0               ; On return we cmpy #0 and if eq then newline
   rts
 HBACKSPC@
   clrb                 ; Clear last char
@@ -118,13 +118,13 @@ NEWLINE
   PZSTR PROMPTLINE  ; Print prompt line
 CLRIN               ; Label to just clear input buffer without newline
   clra              ; Init A and X
-  ldx #$0000
+  ldx #0
 NEXT@
   sta BBVAR.input,x ; Clear input buffer
   leax 1,x
   cmpx #BBIN_DEPTH
   blo NEXT@
-  ldy #$0000        ; Reset buffer fill pointer
+  ldy #0            ; Reset buffer fill pointer
   rts
 
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