Previous Page Single Page Next Page  

* NAME: (PAL-AP) DOC. 70180311000 REV.H PAGE 3

0079 * PLUS '577 AS LAST ADDRESS. 0080 * 0081 * 0082 * TO USE PROGRAM: 0083 * 1) MASTER CLEAR 0084 * 2) SET PROGRAM COUNTER TO XX000 WHERE XX IS THE SECTOR 0085 * INTO WHICH PAL-AP HAS BEEN LOADED. 0086 * 3) ENTER THE OUTPUT DEVICE CODE INTO THF A-REGISTER. IF 0087 * THE ASR-33 IS TO BE USED. SET BIT 1 OF THE A-REGISTER 0088 * AND TURN ON THE PUNCH. IF THE ASR-35 IS TO BE USED, 0089 * SET BIT 2 OF THE A-REGISTER. IF THE HIGH SPEED 0090 * PUNCH IS TO BE USED. LEAVE THE A-REGISTER CLEARED. 0091 * 4) PRESS START AND THE PROGRAM WILL HALT. 0092 * 5) ENTER INTO THE A-REGISTER THE FIRST APDRESS OF THE PROGRAM 0093 * BEING PUNCHED. 0094 * 6) PRESS START AND THE PROGRAM WILL HALT. 0095 * 7) ENTER INTO THE A-REGISTER THE LAST ADDRESS OF THE 0096 * PROGRAM BEING PUNCHED. 0097 * 8) PRESS START AND THE SELECTED OUTPUT DEVICE WILL BEGIN 0098 * PUNCHING TAPE. 0099 * 9) UPON COMPLETION OF THE PUNCH. IF ANOTHER TAPE IS TO BE 0100 * PUNCHED ON THE SAME DEVICE. CONTINUE FROM STEP 5. 0101 * 0102 * 0103 * TO GENERATE LOAD AND GO TAPES: 0104 * SYSTEM BOOTSTRAP TAPES MAY BE PUNCHED BY CHANGING THREE 0105 * LOCATIONS OF PAL-AP. ADDRESSING IS GIVEN IN OCTAL RELATIVE 0106 * TO THE FIRST LOCATION OF PAL-AP (IT MUST BE THE FIRST 0107 * LOCATION OF A SECTOR). LOCATIONS '613 AND '616 ARE BOTH 0108 * "JMP '632" INSTRUCTIONS. AND SHOULD BE CHANGED TO 0109 * "JMP* '632" INSTRUCTIONS - I.E. CHANGE FROM JUMP TO JUMP 0110 * INDIRECT. LOCATION '632 SHOULD BE CHANGED FROM "OCT 12" TO 0111 * "DAC PTR". WHERE PTR IS THE ABSOLUTE ADDRESS FOR 0112 * EXECUTION AFTER LOADING THE PAPER TAPE BOOT. 0113 * 0114 * 0115 * METHOD 0116 * 0117 * PAL-AP IS MADE UP OF TWO SECTIONS. THE PUNCH SECTION (INCLUDING 0118 * THE BOOTSTRAR) OCCUPIES XX000-XX577. THE LOADER SECTION (READ IN 0119 * BY THE BOOTSTRAP) OCCUPIES XX600-XX777. IN ADDITION TO THESE 0120 * THE BOOTSTRAP SECTION WILL LOAD INTO LOCATIONS '20 THROUGH '57, 0121 * AND WILL BE IN 8-8 FORMAT. 0122 * 0123 * 0124 * ANY PAL MODE PROGRAM HAS THE FOLLOWING OVERALL STRUCTURE: 0125 * 1) PAL-AP FIRST PUNCHES ITS LOADER SECTION IN 8-8 0126 * FORMAT FOLLOWED BY TWELVE INCHES OF LEADER. 0127 * 2) NEXT THE DESIRED PROGRAM IS PUNCHED IN PAL FORMAT WHICH 0128 * IS "RECOGNIZED" BY THE LOADER.
  Previous Page Single Page Next Page