*DECK SSOJOP
IDENT SSOJOP
ENTRY SSOJOP
ENTRY SSORTN
TITLE SSOJOP - JUMP TO OVERLAY PROGRAM.
*COMMENT JUMP TO OVERLAY PROGRAM.
JOP SPACE 4,10
*** SSOJOP - JUMP TO OVERLAY PROGRAM.
*
* S. H. FISCHER. 82/05/28.
SPACE 4,10
*** SSOJOP IS A ROUTINE TO JUMP TO THE STARTING POINT OF THE
* OVERLAY. IT ALSO CONTAINS THE ENTRY POINT TO JUMP TO
* ON RETURN FROM THE OVERLAY.
SPACE 4,10
*** SYMPL CALLING SEQUENCE.
*
* SSOJOP(ADDR);
* ADDR = VARIABLE CONTAINING THE ABSOLUTE ADDRESS TO JUMP
* TO.
*
* SSORTN;
* THIS JUMP CAN ONLY BE MADE FROM AN OVERLAY WHICH WAS
* JUMPED TO BY THE ABOVE ENTRY POINT.
SSOJOP SPACE 4,10
SSOJOP EQ *+1S17D
SA3 X1
SB7 X3
JP B7 ENTER OVERLAY
SSORTN SPACE 4,10
SSORTN NO
+ EQ SSOJOP RETURN FROM OVERLAY
END