evolve egui interface

move more control back up to the ComputerManager

gemmaimgui/src/bin/gemmaimgui.rs

@@ -45,10 +45,8 @@ fn main() {
         }
         // END DEBUG CODE
 
-
         for (key_code, key_reg) in LIN_KEYS {
             if down_keys[key_code as usize] {
-                system.press_key(key_reg);
                 system.press_key(key_reg);
                 system.wait_for_instruction();
             } else {