Difference between revisions of "OSBYTE &8F"
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X=request number | X=request number | ||
Y=parameter to pass (varies depending on the request number) | Y=parameter to pass (varies depending on the request number) | ||
| + | |||
| + | ==Specification== | ||
| + | {| cellpadding="0" cellspacing="0" | ||
| + | | 6502 || align="left" | '''On entry:''' || align="left" | '''On exit:''' | ||
| + | |- align="center" valign="top" | ||
| + | | A || align="left" | =&8F || align="left" | preserved | ||
| + | |- align="center" valign="top" | ||
| + | | X || align="left" | Service request code || align="left" | =0 service call claimed<br><>0 service call not claimed | ||
| + | |- align="center" valign="top" | ||
| + | | Y || align="left" | Parameter to service call || align="left" | Result from service call if claimed<br>Preserved if service call not claimed | ||
| + | |} | ||
==See Also== | ==See Also== | ||
| − | * [[ | + | * [[Service calls]] |
* http://mdfs.net/Docs/Comp/BBC/Osbyte80 | * http://mdfs.net/Docs/Comp/BBC/Osbyte80 | ||
[[User:Jgharston|Jgharston]] 21:26, 26 May 2009 (UTC) | [[User:Jgharston|Jgharston]] 21:26, 26 May 2009 (UTC) | ||
Revision as of 00:24, 17 November 2021
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)
