cdc:nos2.source:opl.opl871:deck:ssovl
Deck SSOVL
1 Modification
Source
Seq # *Modification Id* Act ----------------------------+ 00001 M01S00001.ssovl +++|COPYRT 00002 M01S00002.ssovl +++|COMMON 00003 M01S00003.ssovl +++|SSOVL 00004 M01S00004.ssovl +++| IDENT SSOVL 00005 M01S00005.ssovl +++| ENTRY SSOVL 00006 M01S00006.ssovl +++| ENTRY SSOVL 00007 M01S00007.ssovl +++| SYSCOM B1 00008 M01S00008.ssovl +++| SSOVL TITLE SSOVL - LOAD *SSEXEC* OVERLAYS. 00009 M01S00009.ssovl +++|*COMMENT LOAD *SSEXEC* OVERLAYS.
| Line S00010 Modification History | |
|---|---|
M01 (Added by) | ssovl |
M02 (Updated by) | 281l803 |
Seq # *Modification Id* Act ----------------------------+ 00010 M02S00010.281l803 ---| COMMENT COPYRIGHT CONTROL DATA CORP. 1979. 00011 M01S00001.281l803 +++| COMMENT COPYRIGHT CONTROL DATA SYSTEMS INC. 1992. 00012 M01S00011.ssovl +++| 00013 M01S00012.ssovl +++|*CALL COMCMAC 00014 M01S00013.ssovl +++| SPACE 4,30 00015 M01S00014.ssovl +++|*** SSOVL - LOAD *SSEXEC* OVERLAYS. 00016 M01S00015.ssovl +++|* 00017 M01S00016.ssovl +++|* SSOVL(OVLLEV,XFRADR); ( *SYMPL* CALL ) 00018 M01S00017.ssovl +++|* 00019 M01S00018.ssovl +++|* ENTRY (OVLLEV) = OVERLAY LEVEL. THE FORMAT IS - 00020 M01S00019.ssovl +++|* 48/ 0, 6/ PRIMARY LEVEL, 6/ SECONDARY 00021 M01S00020.ssovl +++|* LEVEL. 00022 M01S00021.ssovl +++|* 00023 M01S00022.ssovl +++|* (XFRADR) = TRANSFER ADDRESS, ENTRY TO OVERLAY. 00024 M01S00023.ssovl +++|* IF 0, ENTER OVERLAY AT ENTRY POINT ADDRESS. 00025 M01S00024.ssovl +++|* ELSE, ENTER OVERLAY AT SPECIFIED ABSOLUTE 00026 M01S00025.ssovl +++|* ADDRESS. 00027 M01S00026.ssovl +++|* 00028 M01S00027.ssovl +++|* EXIT THE RETURN ADDRESS IS PLACED IN THE OVERLAY. 00029 M01S00028.ssovl +++|* CONTROL TRANSFERS TO THE OVERLAY. 00030 M01S00029.ssovl +++|* 00031 M01S00030.ssovl +++|* USES A - 1, 2, 5, 6. 00032 M01S00031.ssovl +++|* B - 1, 6, 7. 00033 M01S00032.ssovl +++|* X - 0, 1, 2, 5, 6, 7. 00034 M01S00033.ssovl +++|* 00035 M01S00034.ssovl +++|* CALLS FOL.LOV. 00036 M01S00035.ssovl +++|* 00037 M01S00036.ssovl +++|* NOTES IT IS ASSUMED THAT THE ENTRY POINT ADDRESS OF EACH 00038 M01S00037.ssovl +++|* OVERLAY CONTAINS (IN BITS 47-30) THE ADDRESS OF THE 00039 M01S00038.ssovl +++|* ROUTINE TO BE EXECUTED. THIS MODIFICATION IN OVERLAY 00040 M01S00039.ssovl +++|* DESIGN IS DONE TO HANDLE *SYMPL* PROCEDURES. 00041 M01S00040.ssovl +++|* 00042 M01S00041.ssovl +++|* DAYFILE MESSAGE * OVERLAY NOT FOUND.* 00043 M01S00042.ssovl +++| 00044 M01S00043.ssovl +++| 00045 M01S00044.ssovl +++| SSOVL SUBR ENTRY/EXIT 00046 M01S00045.ssovl +++| 00047 M01S00046.ssovl +++| SSOVL0 BSS 0 ENTRY FROM *RCOVL* 00048 M01S00047.ssovl +++| SB1 1 00049 M01S00048.ssovl +++| SX6 A1 PARAMETER LIST ADDRESS 00050 M01S00049.ssovl +++| SA2 A1+B1 00051 M01S00050.ssovl +++| SA3 X2 GET *XFRADR* PARAMETER 00052 M01S00051.ssovl +++| BX7 X3 00053 M01S00052.ssovl +++| SA7 XFRADR SAVE TRANSFER ADDRESS 00054 M01S00053.ssovl +++| SA6 OVLPARAM 00055 M01S00054.ssovl +++| 00056 M01S00055.ssovl +++|* DETERMINE IF REQUESTED OVERLAY IS PRIMARY OR SECONDARY. 00057 M01S00056.ssovl +++|* IF IT IS ALREADY LOADED, SKIP THE LOAD. 00058 M01S00057.ssovl +++| 00059 M01S00058.ssovl +++| SA1 X1 LEVEL OF REQUESTED OVERLAY 00060 M01S00059.ssovl +++| MX7 -6 00061 M01S00060.ssovl +++| BX0 -X7*X1 EXTRACT SECONDARY LEVEL NUMBER 00062 M01S00061.ssovl +++| ZR X0,OVL.1 IF PRIMARY OVERLAY REQUESTED 00063 M01S00062.ssovl +++| SX0 B1 00064 M01S00063.ssovl +++| OVL.1 BSS 0 00065 M01S00064.ssovl +++| SA5 X0+OVLLEV LEVEL OF CURRENT OVERLAY 00066 M01S00065.ssovl +++| SA2 X0+OVLEPTA 00067 M01S00066.ssovl +++| SB7 X2 CURRENT OVERLAY ENTRY POINT ADDRESS 00068 M01S00067.ssovl +++| BX6 X1-X5 00069 M01S00068.ssovl +++| ZR X6,OVL1 IF OVERLAY IS ALREADY IN FL 00070 M01S00069.ssovl +++| 00071 M01S00070.ssovl +++| BX6 X1 00072 M01S00071.ssovl +++| SA6 A5 SAVE OVERLAY LEVEL 00073 M01S00072.ssovl +++| NZ X0,OVL.2 IF SECONDARY LOAD 00074 M01S00073.ssovl +++| MX6 0 00075 M01S00074.ssovl +++| SA6 OVLLEV+1 CLEAR SECONDARY LEVEL NUMBER 00076 M01S00075.ssovl +++| OVL.2 BSS 0 00077 M01S00076.ssovl +++| 00078 M01S00077.ssovl +++|* LOAD THE OVERLAY. 00079 M01S00078.ssovl +++| 00080 M01S00079.ssovl +++| RJ =XFOL.LOV CALL OVERLAY LOADER 00081 M01S00080.ssovl +++| NG B7,OVL3 IF OVERLAY NOT FOUND 00082 M01S00081.ssovl +++| SA2 OVLC INCREMENT OVERLAY COUNTER 00083 M01S00082.ssovl +++| SX6 X2+B1 00084 M01S00083.ssovl +++| SA6 A2 00085 M01S00084.ssovl +++| SX6 B7 ENTRY POINT ADDRESS 00086 M01S00085.ssovl +++| SA6 X0+OVLEPTA SAVE ENTRY POINT ADDRESS 00087 M01S00086.ssovl +++| 00088 M01S00087.ssovl +++|* SET UP RETURN ADDRESS AND ENTER THE OVERLAY. 00089 M01S00088.ssovl +++| 00090 M01S00089.ssovl +++| OVL1 BSS 0 00091 M01S00090.ssovl +++| SA2 SSOVL GET RETURN ADDRESS 00092 M01S00091.ssovl +++| BX6 X2 00093 M01S00092.ssovl +++| SA5 B7 GET ADDRESS TO PROCEDURE 00094 M01S00093.ssovl +++| LX5 30 00095 M01S00094.ssovl +++| SB7 X5 ENTRY POINT ADDRESS TO PROCEDURE 00096 M01S00095.ssovl +++| SA6 B7 PLACE RETURN ADDRESS 00097 M01S00096.ssovl +++| SB7 B7+B1 ADVANCE TO TRANSFER ADDRESS 00098 M01S00097.ssovl +++| SA1 OVLPARAM PARAMETER LIST ADDRESS 00099 M01S00098.ssovl +++| SA2 XFRADR 00100 M01S00099.ssovl +++| ZR X2,OVL2 IF TRANSFER TO ENTRY POINT 00101 M01S00100.ssovl +++| 00102 M01S00101.ssovl +++| 00103 M01S00102.ssovl +++| SB7 X2 TRANSFER ADDRESS 00104 M01S00103.ssovl +++| 00105 M01S00104.ssovl +++| OVL2 SA1 X1+2 ADVANCE PARAMETER POINTER 00106 M01S00105.ssovl +++| 00107 M01S00106.ssovl +++| JP B7 SIMULATED CALL TO PROGRAM 00108 M01S00107.ssovl +++| 00109 M01S00108.ssovl +++| 00110 M01S00109.ssovl +++| OVL3 MESSAGE MADDR ISSUE ERROR MESSAGE 00111 M01S00110.ssovl +++| ABORT ABORT 00112 M01S00111.ssovl +++|*CALL COMXOVL 00113 M01S00112.ssovl +++| 00114 M01S00113.ssovl +++| MADDR DATA 40C OVERLAY NOT FOUND. 00115 M01S00114.ssovl +++| XFRADR BSSZ 1 SAVED TRANSFER ADDRESS 00116 M01S00115.ssovl +++| OVLEPTA BSSZ 2 ENTRY POINT ADDRESS OF CURRENT OVERLAY 00117 M01S00116.ssovl +++| OVLLEV BSSZ 2 LEVEL NUMBER OF CURRENT OVERLAY 00118 M01S00117.ssovl +++| OVLPARAM BSSZ 1 ADDRESS TO CALLER PARAMETER LIST 00119 M01S00118.ssovl +++| 00120 M01S00119.ssovl +++| 00121 M01S00120.ssovl +++| RSOVL TITLE RSOVL - REPLACE CURRENT OVERLAY. 00122 M01S00121.ssovl +++| 00123 M01S00122.ssovl +++|** RSOVL - REPLACE CURRENT OVERLAY. 00124 M01S00123.ssovl +++|* 00125 M01S00124.ssovl +++|* RSOVL(OVLLEV,XFRADR); ( *SYMPL* CALL ) 00126 M01S00125.ssovl +++|* 00127 M01S00126.ssovl +++|* ENTRY (OVLLEV) = OVERLAY LEVEL. THE FORMAT IS - 00128 M01S00127.ssovl +++|* 48/ 0, 6/ PRIMARY LEVEL, 6/ SECONDARY 00129 M01S00128.ssovl +++|* LEVEL. 00130 M01S00129.ssovl +++|* 00131 M01S00130.ssovl +++|* (XFRADR) = TRANSFER ADDRESS, ENTRY TO OVERLAY. 00132 M01S00131.ssovl +++|* IF 0, ENTER OVERLAY AT ENTRY POINT ADDRESS. 00133 M01S00132.ssovl +++|* ELSE, ENTER OVERLAY AT SPECIFIED ABSOLUTE 00134 M01S00133.ssovl +++|* ADDRESS. 00135 M01S00134.ssovl +++|* *SSOVL* MUST HAVE BEEN CALLED PREVIOUSLY TO LOAD 00136 M01S00135.ssovl +++|* THE PRIMARY OVERLAY. 00137 M01S00136.ssovl +++|* 00138 M01S00137.ssovl +++|* EXIT (A1) = *FWA* OF PARAMETER LIST. 00139 M01S00138.ssovl +++|* 00140 M01S00139.ssovl +++|* CALLS SSOVL 00141 M01S00140.ssovl +++|* 00142 M01S00141.ssovl +++|* NOTES *RSOVL* CAN BE CALLED ONLY TO GO FROM ONE SECONDARY 00143 M01S00142.ssovl +++|* OVERLAY TO ANOTHER SECONDARY OVERLAY. THE CURRENT 00144 M01S00143.ssovl +++|* SECONDARY OVERLAY IS REPLACED BY THE REQUESTED 00145 M01S00144.ssovl +++|* SECONDARY OVERLAY. *RSOVL* CANNOT BE USED TO GO 00146 M01S00145.ssovl +++|* FROM ONE PRIMARY OVERLAY TO ANOTHER PRIMARY OVERLAY. 00147 M01S00146.ssovl +++| 00148 M01S00147.ssovl +++| 00149 M01S00148.ssovl +++| RSOVL SUBR ENTRY/EXIT 00150 M01S00149.ssovl +++| EQ SSOVL0 ALTERNATE ENTRY TO *SSOVL* 00151 M01S00150.ssovl +++| 00152 M01S00151.ssovl +++| END
cdc/nos2.source/opl.opl871/deck/ssovl.txt · Last modified: by 127.0.0.1