projects / pdp8.git / blame
| Commit | Line | Data |
|---|---|---|
| 7af5ad59 PH |
1 | /1 DF32 NON SYSTEM HANDLER |
| 2 | / | |
| 3 | / | |
| 4 | / | |
| 5 | / | |
| 6 | / | |
| 7 | / | |
| 8 | / | |
| 9 | / | |
| 10 | / | |
| 11 | /COPYRIGHT (C) 1974,1975 BY DIGITAL EQUIPMENT CORPORATION | |
| 12 | / | |
| 13 | / | |
| 14 | / | |
| 15 | / | |
| 16 | / | |
| 17 | / | |
| 18 | / | |
| 19 | / | |
| 20 | / | |
| 21 | / | |
| 22 | /THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE | |
| 23 | /AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT | |
| 24 | /CORPORATION. DIGITAL EQUIPMENT CORPORATION ASSUMES NO RESPONSIBILITY | |
| 25 | /FOR ANY ERRORS THAT MAY APPEAR IN THIS DOCUMENT. | |
| 26 | / | |
| 27 | /THE SOFTWARE DESCRIBED IN THIS DOCUMENT IS FURNISHED TO THE PURCHASER | |
| 28 | /UNDER A LICENSE FOR USE ON A SINGLE COMPUTER SYSTEM AND CAN BE COPIED | |
| 29 | /(WITH INCLUSION OF DIGITAL'S COPYRIGHT NOTICE) ONLY FOR USE IN SUCH | |
| 30 | /SYSTEM, EXCEPT AS MAY OTHERWISE BE PROVIDED IN WRITING BY DIGITAL. | |
| 31 | / | |
| 32 | /DIGITAL EQUIPMENT CORPORATION ASSUMES NO RESPONSIBILITY FOR THE USE | |
| 33 | /OR RELIABILITY OF ITS SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY | |
| 34 | /DIGITAL. | |
| 35 | / | |
| 36 | / | |
| 37 | / | |
| 38 | / | |
| 39 | / | |
| 40 | / | |
| 41 | / | |
| 42 | / | |
| 43 | / | |
| 44 | / | |
| 45 | ||
| 46 | / SR | |
| 47 | ||
| 48 | RF08=0 /CHANGE TO 1 FOR RF08 HANDLER | |
| 49 | ||
| 50 | /THE NUMBER OF PLATTERS MUST EITHER BE SET AT ASSEMBLY TIME, | |
| 51 | /OR MUST BE CHANGED VIA THE ALTER COMMAND IN BUILD | |
| 52 | ||
| 53 | *0 | |
| 54 | ||
| 55 | -1 | |
| 56 | IFNZRO RF08 < | |
| 57 | DEVICE RF;DEVICE RF;4064;RF&177;ZBLOCK 2 | |
| 58 | > | |
| 59 | IFZERO RF08 < | |
| 60 | DEVICE DF;DEVICE DF;4124;DF&177;ZBLOCK 2 | |
| 61 | > | |
| 62 | ||
| 63 | SCA=7751 | |
| 64 | SWC=7750 | |
| 65 | ||
| 66 | RFVERSION="A&77 | |
| 67 | \f *200 | |
| 68 | ||
| 69 | SYSER, CLA CLL CML RAR /4000 | |
| 70 | ISZ SYSCNT /TRY AGAIN? | |
| 71 | SKP CLA | |
| 72 | JMP SFIELD /WHY BOTHER | |
| 73 | CLA CLL CMA RTL | |
| 74 | TAD RF | |
| 75 | DCA RF /RESET PARAMETERS AND TRY AGAIN | |
| 76 | JMP RETRY | |
| 77 | SCIF, CIF 0 | |
| 78 | SYSCNT, 0 | |
| 79 | S6603, 6603 | |
| 80 | S70, 70 | |
| 81 | S7400, 7400 | |
| 82 | IFZERO RF08 <S3700, 3700> | |
| 83 | IFNZRO RF08 <S377, 0377> | |
| 84 | T1, 0 | |
| 85 | T2, 0 | |
| 86 | ZBLOCK 224-. | |
| 87 | IFNZRO .-224 <ADRERR,QQQQ> /ENTRY PT MUST BE RELATIVE 24 | |
| 88 | DF, | |
| 89 | RF, RFVERSION | |
| 90 | CLA CLL CMA RTL /-3 | |
| 91 | DCA SYSCNT /# TRYS ON ERROR | |
| 92 | RETRY, TAD I RF /HANDLER RUNS IN USER'S DATA FIELD | |
| 93 | RAL | |
| 94 | CLA RTL | |
| 95 | TAD S6603 | |
| 96 | DCA SFUN /EITHER A READ OR WRITE | |
| 97 | TAD I RF | |
| 98 | AND S70 | |
| 99 | DCA SFIELD /GET FIELD OF BUFFER | |
| 100 | TAD I RF | |
| 101 | RAL | |
| 102 | AND S7600 | |
| 103 | CIA | |
| 104 | DCA T1 /SET UP WORD COUNT | |
| 105 | CLA CMA | |
| 106 | ISZ RF | |
| 107 | TAD I RF | |
| 108 | DCA T2 /BUFFER ADDRESS-1 | |
| 109 | ISZ RF | |
| 110 | RDF | |
| 111 | TAD (CDF 0 | |
| 112 | DCA RESRDF | |
| 113 | CDF 0 | |
| 114 | TAD T1 | |
| 115 | DCA I (SWC | |
| 116 | TAD T2 | |
| 117 | DCA I (SCA | |
| 118 | RESRDF, HLT /RESTORE USER'S DATA FIELD | |
| 119 | IFZERO RF08 < | |
| 120 | TAD I RF | |
| 121 | RTL | |
| 122 | AND S3700 | |
| 123 | > | |
| 124 | TAD SFIELD | |
| 125 | 6615 /LOAD DISK EXTENDED MEMORY | |
| 126 | S7600, 7600 | |
| 127 | IFNZRO RF08 < | |
| 128 | TAD I RF | |
| 129 | RTR | |
| 130 | RTR | |
| 131 | AND S377 | |
| 132 | 6643 /LOAD HIGH ORDER | |
| 133 | > | |
| 134 | TAD I RF | |
| 135 | RTR | |
| 136 | RTR | |
| 137 | RAR | |
| 138 | AND S7400 | |
| 139 | SFUN, HLT /BECOMES DISK IOT.(READ OR WRITE) | |
| 140 | RDF | |
| 141 | TAD SCIF | |
| 142 | DCA SFIELD | |
| 143 | IFZERO RF08 <6622> | |
| 144 | IFNZRO RF08 <6623> | |
| 145 | JMP .-1 | |
| 146 | KRS | |
| 147 | AND (177 | |
| 148 | TAD (-3 | |
| 149 | SNA CLA | |
| 150 | KSF | |
| 151 | JMP .+3 | |
| 152 | CIF CDF 0 /RETURN TO OS/8 IF USER TYPED ^C | |
| 153 | JMP I S7600 | |
| 154 | ISZ RF | |
| 155 | 6621 /SKIP ON ERROR | |
| 156 | IFNZRO RF08 <SKP /SENSE OF SKIP IS REVERSED> | |
| 157 | JMP SYSER | |
| 158 | ISZ RF | |
| 159 | SFIELD, HLT /RETURN TO PROPER FIELD | |
| 160 | 6601 /CLEAR TROUBLESOME FLAG | |
| 161 | JMP I RF | |
| 162 | $ | |
| 163 | \f |