diff --git a/main.asm b/main.asm
index 5b2985a..440c64d 100644
--- a/main.asm
+++ b/main.asm
@@ -2,7 +2,7 @@
 .require "platform/c64_0.oph"
 .require "platform/c64kernal.oph"
 
-.alias cblk $bf
+.alias cblk $a6
 
 .alias go_u $55	 ; 上
 .alias go_d $5f	 ; 下
@@ -30,9 +30,9 @@ main:
 .macro init
 	lda #147	 ;清屏
 	jsr chrout
-	lda #$aa
-	; sta s
-	sta s + 1
+	lda #$a8
+	sta s
+	;sta s + 1
 	jsr printscore
 .macend
 
diff --git a/print16.asm b/print16.asm
index b8d4747..86520a5 100644
--- a/print16.asm
+++ b/print16.asm
@@ -2,7 +2,8 @@
 ; print16 从内存打印16位int(十进制5位),空位补0
 ; 以BE方式存储以便打印
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-.macro print16
+print16:
+.scope
 .data zp
 .space _num 6
 .text
@@ -16,8 +17,8 @@
     sta _num, x
     bne -
 
-	`splitbyte _1, 4
-	`splitbyte _1 + 1, 2
+	`splitbyte s, 4
+	`splitbyte s + 1, 2
     `carry
 	`print _num
 
@@ -29,9 +30,13 @@
 mod10:
     lda _num, y
     ldx #$ff
-*   inx
     clc
-    sbc #10
+*   inx
+    ;jsr printbyte
+    sbc #9
+    ;jsr printbyte
+    ;dey
+    ;rts
     bcc -
     clc
     adc #$3a
@@ -41,20 +46,22 @@ mod10:
     adc _num, y
     sta _num, y
     rts
-.macend
+.scend
 
 .macro splitbyte
 	lda _1
-    jsr printbyte
 	sta _num + _2
+    ;jsr printbyte
 	lsr
 	lsr
 	lsr
 	lsr
 	sta _num + _2 - 1
+    ;jsr printbyte
 	lda #$0f
-	ora _num + _2
+	and _num + _2
 	sta _num + _2
+    ;jsr printbyte
 .macend
 
 .macro carry
@@ -65,9 +72,13 @@ mod10:
 *   jsr mod10
     ; dey
     bne -
+    lda #$30
+    clc
+    adc _num
+    sta _num
     
     pla
     tay
 .macend
 
-.require "printbyte.asm"
\ No newline at end of file
+ .require "printbyte.asm"
\ No newline at end of file
diff --git a/printbyte.asm b/printbyte.asm
index 30ebd2e..b9a8c8c 100644
--- a/printbyte.asm
+++ b/printbyte.asm
@@ -2,6 +2,7 @@
 .space _na 1	; a的临时存放处
 .text
 printbyte:
+    pha
     sta _na
     txa
     pha
@@ -12,6 +13,9 @@ printbyte:
     jsr chrout	; putchar(a)
     dex			; x--
     bne -		; if(x != 0) goto 上个星号
+    lda #$20
+    jsr chrout
     pla
     tax
+    pla
     rts
\ No newline at end of file
diff --git a/printscore.asm b/printscore.asm
index 3e670df..f418c3a 100644
--- a/printscore.asm
+++ b/printscore.asm
@@ -9,7 +9,7 @@ printscore:
 	dex
 	bne -
 	`print score_str
-    `print16 s
+    jsr print16
 	ldx #15
 *	jsr chrout
 	dex
diff --git a/snake.prg b/snake.prg
index 428e6bb..6e1813b 100644
Binary files a/snake.prg and b/snake.prg differ