From 13799fb3f48d8446046b901233c449fadc1af3b2 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Sun, 14 Jul 2024 11:07:06 -0700
Subject: Display Flag Registers

---
 debug.inc       |  6 ++++++
 linked_list.inc | 16 ++++++++++++++++
 main.asm        | 10 +++-------
 3 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/debug.inc b/debug.inc
index 230c7e8..f410096 100644
--- a/debug.inc
+++ b/debug.inc
@@ -37,4 +37,10 @@
 	m_bind	data_to_zstring_m%2
 	m_call	print_zstring
 %endm
+
+%macro	FLAGD	0-1	h
+	pushfq
+	pop	rax
+	REGD	rax,	%1
+%endm
 %endif
diff --git a/linked_list.inc b/linked_list.inc
index 0e5042b..6e0e0e4 100644
--- a/linked_list.inc
+++ b/linked_list.inc
@@ -99,4 +99,20 @@ _dll_end:
 	mov	qword [rax + dll_prev],	%1
 %endm
 
+_dll_free:
+	push	rbp
+	mov	rbp,	rsp
+	push	rbx
+
+	dll_end
+.free_loop:
+	mov	rbx,	[rax + dll_prev]
+	dll_free
+	mov	rax,	rbx
+	cmp	rbx,	0
+	jne	.free_loop
+	pop	rbx
+	mov	rsp,	rbp
+	pop	rbp
+	ret
 %endif
diff --git a/main.asm b/main.asm
index 77d214b..2e5d293 100644
--- a/main.asm
+++ b/main.asm
@@ -146,13 +146,9 @@ _main:
 	pop	rax
 	pop	rax
 	pop	rax
-	dll_end
-.free_loop:
-	mov	rbx,	[rax + dll_prev]
-	dll_free
-	mov	rax,	rbx
-	cmp	rbx,	0
-	jne	.free_loop
+	call _dll_free
+
+	FLAGD	b
 
 	exit_prog
 
-- 
cgit v1.2.1