OSBYTE &49

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OSBYTE &49 (73) - Integra-B calls
   On entry:
     X=&FF - returns X=&49 indicating Integra-B is present
     X<&FF - other calls
   On exit:
     X=&49 - called with X=&FF and Integra-B is present
     X=&FF - call unsupported

See Also


Jgharston (talk) 20:29, 3 April 2015 (UTC)