Market: NWDAV4

       Name: NWDAV4                                                  [Show more]
       Type: Subroutine
   Category: Market
    Summary: Print an "ITEM?" error, make a beep and rejoin the TT210 routine
    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * TT210 calls NWDAV4


.NWDAV4

 JSR TT67               ; Print a newline

 LDA #176               ; Print recursive token 127 ("ITEM") followed by a
 JSR prq                ; question mark

 JSR dn2                ; Call dn2 to make a short, high beep and delay for 1
                        ; second

 LDY QQ29               ; Fetch the item number we are selling from QQ29

 JMP NWDAVxx            ; Jump back into the TT210 routine that called NWDAV4