Add KBC and PMC objects

src/kbc.c

@@ -1,6 +1,31 @@
 #include "include/kbc.h"
 
+__code struct Kbc KBC = {
+    .control = &KBHICR,
+    .irq = &KBIRQR,
+    .status = &KBHISR,
+    .keyboard_out = &KBHIKDOR,
+    .mouse_out = &KBHIMDOR,
+    .data_in = &KBHIDIR,
+};
+
 void kbc_init(void) {
-    KBIRQR = 0;
-    KBHICR = 0x48;
+    *(KBC.irq) = 0;
+    *(KBC.control) = 0x48;
+}
+
+unsigned char kbc_status(struct Kbc * kbc) {
+    return *(kbc->status);
+}
+
+unsigned char kbc_read(struct Kbc * kbc) {
+    return *(kbc->data_in);
+}
+
+void kbc_keyboard(struct Kbc * kbc, unsigned char data) {
+    *(kbc->keyboard_out) = data;
+}
+
+void kbc_mouse(struct Kbc * kbc, unsigned char data) {
+    *(kbc->mouse_out) = data;
 }