diff --git a/projects/nibble-dice-tracker.tal b/projects/nibble-dice-tracker.tal
index 5e3bc6d..dc143eb 100644
--- a/projects/nibble-dice-tracker.tal
+++ b/projects/nibble-dice-tracker.tal
@@ -361,23 +361,24 @@ RTN
    ,&start JMP
    &num $1
 	 &start
+	 #00
    .ptr-register-nibbles LDZ ( get register address )
-   #01 SFT #00 SWP ;registers ADD2  ( calculate register address+offset )
+   #01 SFT ;registers ADD2  ( calculate register address+offset )
    STH2k  ( store and keep address+offset )
    LDA ( get register contents ) 
    DUP ( duplicate byte )
-   #04 SFT #0f AND .high-nibble STZ ( store high nibble )
+   #04 SFT .high-nibble STZ ( store high nibble )
    #0f AND .low-nibble STZ ( store low nibble )
    .ptr-register-nibbles LDZ	
    #01 AND ( are we in high 1 or low 0 nibble? )
    ,&inc-high-nibble JCN
    &inc-low-nibble
-		 .low-nibble LDZ ,&num LDR ADD #0f AND ( increment and mask low nibble )
-		 .low-nibble STZ
+		 .low-nibble STHk LDZ ,&num LDR ADD #0f AND ( increment and mask low nibble )
+		 STHr STZ
      ,&finish JMP
    &inc-high-nibble
-		 .high-nibble LDZ ,&num LDR ADD #0f AND ( increment and mask low nibble )
-		 .high-nibble STZ
+		 .high-nibble STHk LDZ ,&num LDR ADD #0f AND ( increment and mask low nibble )
+		 STHr STZ
    &finish
 			.high-nibble LDZ #40 SFT .low-nibble LDZ ORA ( reassemble byte )
 			STH2r ( recover byte address )
diff --git a/roms/nibble-dice-tracker.rom b/roms/nibble-dice-tracker.rom
index e6d42b5..c9543a9 100644
Binary files a/roms/nibble-dice-tracker.rom and b/roms/nibble-dice-tracker.rom differ