From: p1299721@nospicedham.protonmail.com   
      
   I am trying to read a key from the keyboard. I have switched off   
   canonical mode so it doesn't wait for the return key. But it does not   
   seem to pick up the key in AX.   
      
   GCHAR:  push rax   
           push rbx   
           push rcx   
           push rdx   
           mov rsi, charbuffer    ; buffer = address to store the bytes read   
           mov rcx,rsi   
           mov rdx, 0x4        ; number of bytes to read   
                              (setting this to 1 makes no difference)   
           mov rax, 0x3        ; number for sys_read   
           mov rbx, 0x2        ; From stdin   
           int 0x80   
           MSPRINT "Byte read is "   
           MOV AX,[charbuffer]   
           CALL PWORD   
           pop rdx   
           pop rcx   
           pop rbx   
           pop rax   
           RET   
      
   The output is always:   
      
   Byte read is 0020   
      
   ...regardless of which key I press.   
      
   I have tested that PWORD works.   
      
   What is wrong?   
      
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