OSBYTE &8F
OSBYTE &8F (143) - Issue SWR Service Request (on exit Y=response to request if appropriate)
X=request number Y=parameter to pass (varies depending on the request number)
Specification
6502 | On entry: | On exit: |
A | =&8F | preserved |
X | Service request code | =0 service call claimed <>0 service call not claimed |
Y | Parameter to service call | Result from service call if claimed Preserved if service call not claimed |
See Also
Jgharston 21:26, 26 May 2009 (UTC)