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C64_SKILLS
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C64_SKILLS/examples/assembly/getin-echo.asm

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  1. ; getin-echo.asm

  2. ; Load at $C000 and run with SYS 49152.

  3. ; Waits for a key using KERNAL GETIN, then echoes using CHROUT.

  4. 

  5.         * = $c000

  6. 

  7. wait:   jsr $ffe4      ; GETIN

  8.         beq wait       ; no key yet

  9.         jsr $ffd2      ; CHROUT

  10.         rts

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