projects / pdp8.git / blame
| Commit | Line | Data |
|---|---|---|
| 7af5ad59 PH |
1 | /2 DF32 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 | \f/MAINTENANCE RELEASE CHANGES: | |
| 46 | ||
| 47 | /1. TOOK OUT SOFSET | |
| 48 | ||
| 49 | DF32=1 | |
| 50 | RF08=0 | |
| 51 | VERSION="B&77 | |
| 52 | ||
| 53 | *0 | |
| 54 | -1 | |
| 55 | DEVICE DF32;DEVICE SYS;4124;2007;0;177 | |
| 56 | ||
| 57 | STARTB-ENDB-1 | |
| 58 | ||
| 59 | NOPUNC | |
| 60 | *6604 | |
| 61 | ENPUNC | |
| 62 | ||
| 63 | STARTB, NOP /FOR "SWAP" | |
| 64 | B6653, 6653 | |
| 65 | B7647, 7647 | |
| 66 | B7577, 7577 | |
| 67 | B200, 200 | |
| 68 | B7605, 7605 | |
| 69 | B7751, 7751 | |
| 70 | ZBLOCK 6622-. | |
| 71 | TAD I B6653 | |
| 72 | CDF 10 | |
| 73 | DCA I B7647 | |
| 74 | CDF 0 | |
| 75 | ISZ B6653 | |
| 76 | ISZ B7647 | |
| 77 | JMP .-6 /MOVE FIELD 1 RESIDENT UP | |
| 78 | IFNZRO RF08 <6643> | |
| 79 | 6615 | |
| 80 | 7600 | |
| 81 | TAD B7577 | |
| 82 | DCA I B7751 | |
| 83 | TAD B200 | |
| 84 | 6603 /NOW READ IN FIELD 0 RESIDENT FROM RECORD 1/2 | |
| 85 | ||
| 86 | IFNZRO RF08 <6623> | |
| 87 | IFNZRO DF32 <6622> | |
| 88 | JMP .-1 | |
| 89 | 6621 | |
| 90 | IFNZRO RF08 <SKP> | |
| 91 | HLT /ERROR READING SYSTEM IN | |
| 92 | ENDB, JMP I B7605 | |
| 93 | \f /BOOTSTRAP FOR DISK MONITOR IS AS FOLLOWS: | |
| 94 | ||
| 95 | / LOCATION CONTENTS | |
| 96 | / 7750 7600 | |
| 97 | / 7751 6603 | |
| 98 | / 7752 6622 | |
| 99 | / 7753 5352 | |
| 100 | / 7754 5752 | |
| 101 | \f *200 | |
| 102 | ||
| 103 | NOPUNCH | |
| 104 | *7600 | |
| 105 | ENPUNCH | |
| 106 | ||
| 107 | ZBLOCK 7 | |
| 108 | SHNDLR, VERSION | |
| 109 | CLA CLL CMA RTL /-3 | |
| 110 | DCA SYSCNT /# TRYS ON ERROR | |
| 111 | TAD I SHNDLR | |
| 112 | RAL | |
| 113 | CLA RTL | |
| 114 | TAD S6603 | |
| 115 | DCA SFUN /EITHER A READ OR WRITE | |
| 116 | TAD I SHNDLR | |
| 117 | AND S70 | |
| 118 | DCA SFIELD /GET FIELD OF BUFFER | |
| 119 | TAD I SHNDLR | |
| 120 | RAL | |
| 121 | AND S7600 | |
| 122 | CIA | |
| 123 | DCA SWC /SET UP WORD COUNT | |
| 124 | CLA CMA | |
| 125 | ISZ SHNDLR | |
| 126 | TAD I SHNDLR | |
| 127 | DCA SCA /BUFFER ADDRESS-1 | |
| 128 | ISZ SHNDLR | |
| 129 | IFNZRO DF32 < | |
| 130 | TAD I SHNDLR | |
| 131 | RTL | |
| 132 | AND S3700> | |
| 133 | TAD SFIELD | |
| 134 | 6615 /LOAD DISK EXTENDED MEMORY | |
| 135 | S7600, 7600 | |
| 136 | IFNZRO RF08 < | |
| 137 | TAD I SHNDLR | |
| 138 | RTR | |
| 139 | RTR | |
| 140 | AND S377 | |
| 141 | 6643 /LOAD HIGH ORDER> | |
| 142 | TAD I SHNDLR | |
| 143 | RTR | |
| 144 | RTR | |
| 145 | RAR | |
| 146 | AND S7400 | |
| 147 | SFUN, HLT /BECOMES DISK IOT.(READ OR WRITE) | |
| 148 | RDF | |
| 149 | TAD SCIF | |
| 150 | DCA SFIELD | |
| 151 | IFNZRO DF32 <6622> | |
| 152 | IFNZRO RF08 <6623> | |
| 153 | JMP .-1 | |
| 154 | ISZ SHNDLR | |
| 155 | 6621 /SKIP ON ERROR | |
| 156 | IFNZRO RF08 <SKP /SENSE OF SKIP IS REVERSED> | |
| 157 | JMP SYSER | |
| 158 | ISZ SHNDLR | |
| 159 | SFIELD, HLT /RETURN TO PROPER FIELD | |
| 160 | 6601 /CLEAR TROUBLESOME FLAG | |
| 161 | JMP I SHNDLR | |
| 162 | ZBLOCK 2 | |
| 163 | SYSER, CLA CLL CML RAR /4000 | |
| 164 | ISZ SYSCNT /TRY AGAIN? | |
| 165 | SKP CLA | |
| 166 | JMP SFIELD /WHY BOTHER | |
| 167 | CLA CLL CMA RTL | |
| 168 | TAD SHNDLR | |
| 169 | DCA SHNDLR /RESET PARAMETERS AND TRY AGAIN | |
| 170 | IFNZRO RF08 <IFNZRO .-7700 <NZERR>; SKP; HLT> | |
| 171 | JMP SHNDLR+3 | |
| 172 | SCIF, CIF 0 | |
| 173 | SYSCNT, 0 | |
| 174 | IFNZRO DF32 <IFNZRO .-7700 <NZERR>; SKP; HLT> | |
| 175 | S6603, 6603 | |
| 176 | S70, 70 | |
| 177 | S7400, 7400 | |
| 178 | IFNZRO DF32 <S3700, 3700> | |
| 179 | IFNZRO RF08 <S377, 377> | |
| 180 | SCA=7751 | |
| 181 | SWC=7750 | |
| 182 | $ | |
| 183 | \f |