From ccbc8a00aeb72f2b54bafacd6ccaad6f93c6e95e Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Sat, 2 Nov 2024 17:18:08 -0700
Subject: Remove `mov rax rax`

---
 dtos.inc | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/dtos.inc b/dtos.inc
index fb4a048..56bd0c6 100644
--- a/dtos.inc
+++ b/dtos.inc
@@ -3,7 +3,8 @@
 %ifndef MONAD_INC
 %include "monad.inc"
 %endif
-	
+
+	;; TODO: Thread safety, allocate the write buffer instead of a global state incase it is interrupted and rewritten
 	section .data
 	_NUMERALS	db	"0123456789ABCDEF"
 	_DATA_BYTE_BUFFER	times 63 db "0"
@@ -12,25 +13,33 @@
 	m_make	DTOS_RESULT,	_DATA_BYTE_BUFFER
 
 %macro dtomz_h 1
+	%if "%1" != "%rax"
 	mov	rax,	%1
+	%endif
 	mov	rcx,	16
 	call	data_to_zstring
 %endm
 
 %macro dtomz_d 1
+	%if "%1" != "%rax"
 	mov	rax,	%1
+	%endif
 	mov	rcx,	10
 	call	data_to_zstring
 %endm
 
 %macro dtomz_o 1
+	%if "%1" != "%rax"
 	mov	rax,	%1
+	%endif
 	mov	rcx,	8
 	call	data_to_zstring
 %endm
 
 %macro dtomz_b 1
+	%if "%1" != "%rax"
 	mov	rax,	%1
+	%endif
 	mov	rcx,	2
 	call	data_to_zstring
 %endm
@@ -100,6 +109,9 @@ data_to_zstring:
 	pop	rbp
 	ret
 
+	;; Monadic functions (m_bind d2zs_m?)
+	;; data_to_zstring_m?
+	;;  rax -> M (d2zs_? rax)
 data_to_zstring_mh:
 	mov	rcx,	16
 	call	data_to_zstring
-- 
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