Correctly set padding length when using prefix (fixes #1)

2025-07-17 14:56:35 +02:00
parent 09cf143b2a
commit 1c5ba65f49
2 changed files with 23 additions and 1 deletions
--- a/src/convert.asm
+++ b/src/convert.asm
@@ -256,7 +256,6 @@ utoa:
 	test	r15, r15 ;prefix now? (padding with spaces; r15 is zero)
 	jnz	.checkPadding
 		insert_prefix
-	add	r14, 2
 	
 	.checkPadding:
 	; Substract length of converted number from padLen
@@ -264,6 +263,13 @@ utoa:
 	cmp	r14, 0
 	jle	.checkPrefix
 	mov	rcx, r14
+	test	r13, r13
+	jns	.addPadding
+	test	r15, r15
+	jz	.addPadding
+	sub	rcx, 2
+	cmp	rcx, 2
+	jl	.checkPrefix
 	.addPadding:
 		mov	byte [r10], r11b
 		inc	r10