diff --git a/dosdl.asm b/dosdl.asm
index 41a9b6d..591f16a 100644
--- a/dosdl.asm
+++ b/dosdl.asm
@@ -19,7 +19,7 @@ select_target:
 	mov bp, rng_output
 	call store32
 
-	; Multiply rng output by number of targer words
+	; Multiply rng output by number of target words
 	xor si, si
 	xor dx, dx
 	xor ax, ax
@@ -31,8 +31,10 @@ select_target:
 		loop .multiply_loop
 
 	mov ax, si
+%ifdef DEBUG
 	call hexprint16
 	call newline
+%endif
 
 load_target:
 	shl si, 1
@@ -657,37 +659,39 @@ add32:
 	adc dx, [addr32 + 2]
 	ret
 
-hexprint32:
-	xchg ax, dx
-	call hexprint16
-	xchg ax, dx
-hexprint16:
-	xchg ah, al
-	call hexprint8
-	xchg ah, al
-hexprint8:
+%ifdef DEBUG
+	hexprint32:
+		xchg ax, dx
+		call hexprint16
+		xchg ax, dx
+	hexprint16:
+		xchg ah, al
+		call hexprint8
+		xchg ah, al
+	hexprint8:
 %rep 4
-	rol al, 1
+		rol al, 1
 %endrep
-	call hexprint4
+		call hexprint4
 %rep 4
-	rol al, 1
+		rol al, 1
 %endrep
-hexprint4:
-	push ax
-	and al, 0xf
-	cmp al, 10
-	jb .digit09
+	hexprint4:
+		push ax
+		and al, 0xf
+		cmp al, 10
+		jb .digit09
 
-	add al, 'a' - 10 - '0'
+		add al, 'a' - 10 - '0'
 
-	.digit09:
-	add al, '0'
-	mov ah, 0xe
-	int 0x10
+		.digit09:
+		add al, '0'
+		mov ah, 0xe
+		int 0x10
 
-	pop ax
-	ret
+		pop ax
+		ret
+%endif
 
 section .data
 target times 5 db 0