create Port interface

1 files changed, 2 insertions, 1 deletions

diff --git a/keyboard.cpp b/keyboard.cpp
index 29178f9..db7743c 100644
--- a/keyboard.cpp
+++ b/keyboard.cpp
@@ -10,6 +10,7 @@
 extern TextOutput& term;
 
 static CircularBuffer<char> keyboardBuffer;
+static Port<0x60> keyboardPort;
 
 static const std::array<char, 0x59> ScanCodeSet1 {{
     0, K_ESCAPE,
@@ -38,7 +39,7 @@ void keyboard_initialize()
     keyboardBuffer = CircularBuffer<char>(128);
 
     idt_register_callback(33, [](auto& regs) {
-        const auto kc = inb(0x60);
+        const std::uint8_t kc = keyboardPort;
 
         if (!isReleased(kc)) {
             const auto ch = ScanCodeSet1[keycode(kc)];