From 26dd32345f47e959c2172f5b22efa468a8a16be9 Mon Sep 17 00:00:00 2001
From: lordtet <lordtet@foxcarries.me>
Date: Wed, 2 Jul 2025 21:17:57 -0400
Subject: [PATCH] Added header and asm file for assembly function wrappers

---
 include/asm.h | 16 ++++++++++++++++
 src/asm.s     | 13 +++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 include/asm.h
 create mode 100644 src/asm.s

diff --git a/include/asm.h b/include/asm.h
new file mode 100644
index 0000000..7ff4bfc
--- /dev/null
+++ b/include/asm.h
@@ -0,0 +1,16 @@
+/*  asm.h
+*   Assembly wrappers
+*
+*   Wrapper functions for using assembly files.
+*/
+#ifndef ASM_H
+#define ASM_H
+#include <stdint.h>
+
+#define COM1 0x3F8
+#define COM2 0x2F8
+
+void outb(uint16_t port, uint8_t data);
+uint8_t inb(uint16_t port);
+
+#endif
diff --git a/src/asm.s b/src/asm.s
new file mode 100644
index 0000000..a6be4fc
--- /dev/null
+++ b/src/asm.s
@@ -0,0 +1,13 @@
+global outb, inb
+section .text
+    outb:
+        mov dx, [esp+4]
+        mov al, [esp+8]
+        out dx, al 
+        ret
+
+    inb:
+        mov eax, 0
+        mov dx, [esp+4]
+        in al, dx
+        ret