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Text File | 1995-02-07 | 1.5 KB | 72 lines | [TEXT/MPS ] |
- (*
- searchVideo frame - Go to the frame indicated, blanking the display if indicated by global
- variable blankNextVideo being set to true.
-
- To compile and link this file using Macintosh Programmer's Workshop,
-
- pascal -w searchVideo.p
-
- link -m ENTRYPOINT -o HyperCommands -rt XCMD=8004 -sn Main=searchVideo ∂
- searchVideo.p.o "{MPW}"Libraries:interface.o "{MPW}"PLibraries:PasLib.o
-
- Copyright © 1987,88 Apple Computer, Inc.
-
- 9/87 - Initial coding by Harry R. Chesley.
- 2/88 - Changed for new interface specification by Harry R. Chesley.
- *)
-
- {$R-}
-
- {$S searchVideo } { Segment name must be the same as the command name. }
-
- unit DummyUnit;
-
- interface
-
- uses MemTypes, QuickDraw, OSIntf, HyperXCmd;
-
- procedure EntryPoint(paramPtr: XCmdPtr);
-
- implementation
-
- type
-
- Str31 = String[31];
-
- procedure searchVideo(paramPtr: XCmdPtr); forward;
-
- procedure EntryPoint(paramPtr: XCmdPtr);
-
- begin
- searchVideo(paramPtr);
- end;
-
- procedure searchVideo(paramPtr: XCmdPtr);
-
- var numberOfParms: integer;
- frameNumber: str255;
-
- {$I XCmdGlue.inc}
-
- procedure Fail(errMsg: Str255); { set theResult and quit }
- begin
- paramPtr^.returnValue := PasToZero(errMsg);
- exit(searchVideo);
- end;
-
- {$I VideoUtil.inc}
-
- begin
- numberOfParms := paramPtr^.paramCount;
- if (numberOfParms <> 1) then Fail('parameter count is not 1');
-
- { Get the frame to search to. }
- GetStrParm(1,frameNumber);
- if StrToNum(frameNumber) < 0 then frameNumber := '0';
-
- { Do it...}
- videoCmd('search',frameNumber);
- end;
-
- end.
-