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⌂ ∞ ▽ Elite on the 6502

Text: print_esc

[Elite-A, I/O processor]

       Name: print_esc                                               [Show more]
       Type: Subroutine
   Category: Text
    Summary: Send an escape sequence to the printer

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * printer calls print_esc




 Arguments:

   A                    The parameter of the escape sequence, so ESC A is sent
                        to the printer



.print_esc

 PHA                    \ Store A on the stack so we can retrieve it below

 LDA #27                \ Send ASCII 27 to the printer, which starts a printer
 JSR print_wrch         \ ESC escape sequence

 PLA                    \ Retrieve the value of A from the stack

                        \ Fall through into print_safe to send the character in
                        \ A to the printer