From 13435bfc961fd2abd5f688ce37e94d5f96b0873b Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sat, 22 Jul 2017 22:17:18 +0200
Subject: added 16-bit port class

---
 src/hardware/port.asm | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'src/hardware/port.asm')

diff --git a/src/hardware/port.asm b/src/hardware/port.asm
index 555a4e8..c7e7bc4 100644
--- a/src/hardware/port.asm
+++ b/src/hardware/port.asm
@@ -24,6 +24,30 @@ port8_read:
 	leave
 	ret
 
+global port16_write
+global port16_read
+
+; void port16_write( port16_t *port, uint16_t data );
+port16_write:
+	push ebp
+	mov ebp, esp
+	mov ecx, [ebp+8]
+	mov edx, DWORD [ecx]
+	mov ax, WORD [ebp+12]
+	out dx, ax
+	leave
+	ret
+
+; uint16_t port16_read( port16_t *port )
+port16_read:
+	push ebp
+	mov ebp, esp
+	mov ecx, DWORD [ebp+8]
+	mov edx, [ecx]
+	in ax, dx
+	leave
+	ret
+
 global port32_write
 global port32_read
 
-- 
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