Initial commit

1 files changed, 25 insertions, 0 deletions

diff --git a/io.asm b/io.asm
new file mode 100644
index 0000000..fd45e99
--- /dev/null
+++ b/io.asm
@@ -0,0 +1,25 @@
+section .text
+
+global pio_read
+global pio_write
+
+pio_read:
+    push ebp
+    mov ebp, esp
+
+    mov edx, [esp + 8]
+    in al, dx
+
+    leave
+    ret
+
+pio_write:
+    push ebp
+    mov ebp, esp
+
+    mov edx, [esp + 8]
+    mov al, [esp + 12]
+    out dx, al
+
+    leave
+    ret