| 1 | /* id16_dboot.c: Interdata 16b simulator disk bootstrap\r |
| 2 | \r |
| 3 | Copyright (c) 2000-2006, Robert M. Supnik\r |
| 4 | \r |
| 5 | Permission is hereby granted, free of charge, to any person obtaining a\r |
| 6 | copy of this software and associated documentation files (the "Software"),\r |
| 7 | to deal in the Software without restriction, including without limitation\r |
| 8 | the rights to use, copy, modify, merge, publish, distribute, sublicense,\r |
| 9 | and/or sell copies of the Software, and to permit persons to whom the\r |
| 10 | Software is furnished to do so, subject to the following conditions:\r |
| 11 | \r |
| 12 | The above copyright notice and this permission notice shall be included in\r |
| 13 | all copies or substantial portions of the Software.\r |
| 14 | \r |
| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r |
| 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r |
| 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL\r |
| 18 | ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r |
| 19 | IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r |
| 20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r |
| 21 | \r |
| 22 | Except as contained in this notice, the name of Robert M Supnik shall not be\r |
| 23 | used in advertising or otherwise to promote the sale, use or other dealings\r |
| 24 | in this Software without prior written authorization from Robert M Supnik.\r |
| 25 | \r |
| 26 | 17-Jul-06 RMS Fixed transcription error\r |
| 27 | */\r |
| 28 | \r |
| 29 | #include "id_defs.h"\r |
| 30 | \r |
| 31 | #define DBOOT_BEG 0x1000\r |
| 32 | #define DBOOT_START 0x100e\r |
| 33 | #define DBOOT_LEN (sizeof (dboot_rom) / sizeof (uint8))\r |
| 34 | \r |
| 35 | /* Boot ROM: transcription of OS/16 MT2 ALO Direct Access Loader */\r |
| 36 | \r |
| 37 | static uint8 dboot_rom[] = {\r |
| 38 | 0xca, 0xf0, 0x00, 0x30,\r |
| 39 | 0xc5, 0xf0, 0x00, 0x3a,\r |
| 40 | 0x02, 0x8e,\r |
| 41 | 0x26, 0xf7,\r |
| 42 | 0x03, 0x0e,\r |
| 43 | 0xd1, 0xc0, 0x00, 0x78,\r |
| 44 | 0xd0, 0xc0, 0x13, 0xf6,\r |
| 45 | 0x07, 0xdd,\r |
| 46 | 0xc8, 0x10, 0x10, 0x00,\r |
| 47 | 0xd3, 0xf0, 0x00, 0x7e,\r |
| 48 | 0xc4, 0xf0, 0x00, 0x0f,\r |
| 49 | 0x01, 0xe1,\r |
| 50 | 0xd2, 0xf0, 0x12, 0xe2,\r |
| 51 | 0xd3, 0xf0, 0x00, 0x7f,\r |
| 52 | 0x90, 0xf4,\r |
| 53 | 0x01, 0xe1,\r |
| 54 | 0xd2, 0xf0, 0x12, 0xe3,\r |
| 55 | 0xd3, 0xf0, 0x00, 0x7f,\r |
| 56 | 0xc4, 0xf0, 0x00, 0x0f,\r |
| 57 | 0x01, 0xe1,\r |
| 58 | 0xd2, 0xf0, 0x12, 0xe4,\r |
| 59 | 0xd3, 0x20, 0x00, 0x7d,\r |
| 60 | 0xd3, 0x30, 0x00, 0x7c,\r |
| 61 | 0xd3, 0x40, 0x00, 0x7a,\r |
| 62 | 0xd3, 0x50, 0x00, 0x7b,\r |
| 63 | 0xc8, 0x70, 0x12, 0xf6,\r |
| 64 | 0xc8, 0x80, 0x13, 0xf5,\r |
| 65 | 0x07, 0xaa,\r |
| 66 | 0x07, 0xcc,\r |
| 67 | 0x41, 0xe0, 0x11, 0x88,\r |
| 68 | 0x48, 0xa0, 0x12, 0xfe,\r |
| 69 | 0x48, 0xc0, 0x13, 0x00,\r |
| 70 | 0x43, 0x00, 0x10, 0x98,\r |
| 71 | 0xc8, 0x70, 0x12, 0xf6,\r |
| 72 | 0x41, 0xe0, 0x11, 0x88,\r |
| 73 | 0xc8, 0xe0, 0x12, 0xfa,\r |
| 74 | 0x24, 0x15,\r |
| 75 | 0xd3, 0x0e, 0x00, 0x24,\r |
| 76 | 0xc3, 0x00, 0x00, 0x10,\r |
| 77 | 0x21, 0x3f,\r |
| 78 | 0xca, 0xe0, 0x00, 0x30,\r |
| 79 | 0x27, 0x11,\r |
| 80 | 0x20, 0x38,\r |
| 81 | 0x48, 0xa0, 0x12, 0xf6,\r |
| 82 | 0x48, 0xc0, 0x12, 0xf8,\r |
| 83 | 0x42, 0x30, 0x10, 0x70,\r |
| 84 | 0x08, 0xaa,\r |
| 85 | 0x20, 0x33,\r |
| 86 | 0x43, 0x00, 0x12, 0xb2,\r |
| 87 | 0x90, 0x05,\r |
| 88 | 0x42, 0x30, 0x10, 0x88,\r |
| 89 | 0xc8, 0x60, 0x4f, 0x53,\r |
| 90 | 0x45, 0x63, 0x00, 0x00,\r |
| 91 | 0x20, 0x36,\r |
| 92 | 0xc8, 0x60, 0x31, 0x36,\r |
| 93 | 0x45, 0x6e, 0x00, 0x02,\r |
| 94 | 0x20, 0x3b,\r |
| 95 | 0x48, 0x6e, 0x00, 0x08,\r |
| 96 | 0x45, 0x60, 0x12, 0xe2,\r |
| 97 | 0x20, 0x35,\r |
| 98 | 0xd3, 0x6e, 0x00, 0x0a,\r |
| 99 | 0xd4, 0x60, 0x12, 0xe4,\r |
| 100 | 0x20, 0x3a,\r |
| 101 | 0x08, 0x0e,\r |
| 102 | 0x07, 0x66,\r |
| 103 | 0xca, 0x60, 0x20, 0x00,\r |
| 104 | 0x23, 0x36,\r |
| 105 | 0x40, 0x06, 0x00, 0x00,\r |
| 106 | 0x45, 0x06, 0x00, 0x00,\r |
| 107 | 0x22, 0x37,\r |
| 108 | 0x48, 0xae, 0x00, 0x0c,\r |
| 109 | 0x48, 0xce, 0x00, 0x0e,\r |
| 110 | 0x48, 0x0e, 0x00, 0x10,\r |
| 111 | 0x48, 0x1e, 0x00, 0x12,\r |
| 112 | 0x0b, 0x1c,\r |
| 113 | 0x0f, 0x0a,\r |
| 114 | 0x07, 0xff,\r |
| 115 | 0x26, 0x11,\r |
| 116 | 0x0e, 0x0f,\r |
| 117 | 0xed, 0x00, 0x00, 0x08,\r |
| 118 | 0xcb, 0x60, 0x02, 0xbe,\r |
| 119 | 0x08, 0x00,\r |
| 120 | 0x23, 0x34,\r |
| 121 | 0x08, 0x86,\r |
| 122 | 0x08, 0x16,\r |
| 123 | 0x23, 0x04,\r |
| 124 | 0x05, 0x16,\r |
| 125 | 0x22, 0x84,\r |
| 126 | 0x08, 0x81,\r |
| 127 | 0x07, 0x77,\r |
| 128 | 0x27, 0x81,\r |
| 129 | 0xc8, 0xd1, 0xee, 0xc0,\r |
| 130 | 0xc8, 0xf0, 0x11, 0x40,\r |
| 131 | 0x48, 0x0f, 0x00, 0x00,\r |
| 132 | 0x40, 0x01, 0x00, 0x00,\r |
| 133 | 0x26, 0xf2,\r |
| 134 | 0x26, 0x12,\r |
| 135 | 0xc5, 0xf0, 0x13, 0xfe,\r |
| 136 | 0x20, 0x88,\r |
| 137 | 0x0a, 0xed,\r |
| 138 | 0x40, 0xed, 0x12, 0xf4,\r |
| 139 | 0x43, 0x0d, 0x11, 0x40,\r |
| 140 | 0x41, 0xed, 0x11, 0x88,\r |
| 141 | 0xd1, 0xed, 0x13, 0xf6,\r |
| 142 | 0xd0, 0xe0, 0x00, 0x78,\r |
| 143 | 0xd1, 0xed, 0x13, 0xfa,\r |
| 144 | 0xd0, 0xe0, 0x00, 0x7c,\r |
| 145 | 0x48, 0x10, 0x00, 0x62,\r |
| 146 | 0x48, 0x6d, 0x12, 0xf4,\r |
| 147 | 0xd1, 0xa6, 0x00, 0x00,\r |
| 148 | 0xd0, 0xa1, 0x00, 0x30,\r |
| 149 | 0xd1, 0xe6, 0x00, 0x0c,\r |
| 150 | 0xd0, 0xe1, 0x00, 0x28,\r |
| 151 | 0x43, 0x00, 0x00, 0x60,\r |
| 152 | 0x07, 0x00,\r |
| 153 | 0x07, 0xbb,\r |
| 154 | 0x0b, 0xcf,\r |
| 155 | 0x0f, 0xab,\r |
| 156 | 0x21, 0x13,\r |
| 157 | 0x26, 0x01,\r |
| 158 | 0x22, 0x04,\r |
| 159 | 0x0a, 0xcf,\r |
| 160 | 0x0e, 0xab,\r |
| 161 | 0x08, 0xac,\r |
| 162 | 0x08, 0xc0,\r |
| 163 | 0x03, 0x0e,\r |
| 164 | 0xde, 0x2d, 0x12, 0x1e,\r |
| 165 | 0xc5, 0x50, 0x00, 0x33,\r |
| 166 | 0x42, 0x2d, 0x11, 0xec,\r |
| 167 | 0xde, 0x3d, 0x12, 0x1e,\r |
| 168 | 0x9d, 0x3f,\r |
| 169 | 0x22, 0x21,\r |
| 170 | 0x9d, 0x4f,\r |
| 171 | 0x42, 0x1d, 0x12, 0xb8,\r |
| 172 | 0xc3, 0xf0, 0x00, 0x10,\r |
| 173 | 0x20, 0x35,\r |
| 174 | 0xd0, 0xad, 0x13, 0xea,\r |
| 175 | 0xc8, 0xf0, 0x00, 0x30,\r |
| 176 | 0x41, 0xed, 0x11, 0x70,\r |
| 177 | 0x08, 0x9c,\r |
| 178 | 0x08, 0xba,\r |
| 179 | 0x48, 0xad, 0x13, 0xea,\r |
| 180 | 0x48, 0xcd, 0x13, 0xee,\r |
| 181 | 0xd1, 0xed, 0x13, 0xf2,\r |
| 182 | 0xc5, 0xb0, 0x00, 0x18,\r |
| 183 | 0x21, 0x82,\r |
| 184 | 0x26, 0xb8,\r |
| 185 | 0x98, 0x49,\r |
| 186 | 0xde, 0x4d, 0x12, 0xe7,\r |
| 187 | 0x9d, 0x3f,\r |
| 188 | 0x22, 0x21,\r |
| 189 | 0x9d, 0x4f,\r |
| 190 | 0x42, 0x7d, 0x12, 0xb8,\r |
| 191 | 0x20, 0x83,\r |
| 192 | 0x98, 0x27,\r |
| 193 | 0x98, 0x28,\r |
| 194 | 0x98, 0x49,\r |
| 195 | 0x9a, 0x3b,\r |
| 196 | 0x41, 0x6d, 0x12, 0x7a,\r |
| 197 | 0x22, 0x0f,\r |
| 198 | 0x9d, 0x4f,\r |
| 199 | 0xc3, 0xf0, 0x00, 0x19,\r |
| 200 | 0x42, 0x3d, 0x12, 0xb8,\r |
| 201 | 0xd0, 0xad, 0x13, 0xea,\r |
| 202 | 0xc8, 0xf5, 0xff, 0xcc,\r |
| 203 | 0x0a, 0xff,\r |
| 204 | 0x48, 0xff, 0x12, 0xec,\r |
| 205 | 0x41, 0xed, 0x11, 0x70,\r |
| 206 | 0x08, 0x9c,\r |
| 207 | 0x08, 0xca,\r |
| 208 | 0x07, 0xaa,\r |
| 209 | 0xc8, 0xf5, 0xff, 0xcc,\r |
| 210 | 0xd3, 0xff, 0x12, 0xe8,\r |
| 211 | 0x41, 0xed, 0x11, 0x70,\r |
| 212 | 0x40, 0xcd, 0x12, 0xf2,\r |
| 213 | 0x08, 0xba,\r |
| 214 | 0x48, 0xad, 0x13, 0xea,\r |
| 215 | 0x48, 0xcd, 0x13, 0xee,\r |
| 216 | 0xd1, 0xed, 0x13, 0xf2,\r |
| 217 | 0xde, 0x4d, 0x12, 0x6e,\r |
| 218 | 0x9d, 0x3f,\r |
| 219 | 0x22, 0x21,\r |
| 220 | 0x98, 0x49,\r |
| 221 | 0xde, 0x4d, 0x12, 0xd0,\r |
| 222 | 0x9d, 0x3f,\r |
| 223 | 0x22, 0x21,\r |
| 224 | 0xde, 0x4d, 0x12, 0xa2,\r |
| 225 | 0x9d, 0x3f,\r |
| 226 | 0x22, 0x21,\r |
| 227 | 0xd8, 0x4d, 0x12, 0xf2,\r |
| 228 | 0xde, 0x4d, 0x12, 0xd1,\r |
| 229 | 0x9d, 0x3f,\r |
| 230 | 0x22, 0x21,\r |
| 231 | 0xde, 0x4d, 0x12, 0xe7,\r |
| 232 | 0x9d, 0x3f,\r |
| 233 | 0x22, 0x21,\r |
| 234 | 0x9d, 0x4f,\r |
| 235 | 0x20, 0x81,\r |
| 236 | 0xc3, 0xf0, 0x00, 0x53,\r |
| 237 | 0x42, 0x3d, 0x12, 0xb8,\r |
| 238 | 0x48, 0xfd, 0x12, 0xf2,\r |
| 239 | 0x91, 0xfa,\r |
| 240 | 0x06, 0xf9,\r |
| 241 | 0xc8, 0x6d, 0x12, 0x2c,\r |
| 242 | 0x98, 0x27,\r |
| 243 | 0x98, 0x28,\r |
| 244 | 0x9a, 0x3b,\r |
| 245 | 0x98, 0x3f,\r |
| 246 | 0xde, 0x3d, 0x12, 0xe6,\r |
| 247 | 0xde, 0x2d, 0x11, 0xaf,\r |
| 248 | 0x9d, 0x2f,\r |
| 249 | 0x20, 0x81,\r |
| 250 | 0xde, 0x2d, 0x12, 0x1e,\r |
| 251 | 0x99, 0x20,\r |
| 252 | 0xde, 0x2d, 0x12, 0x1e,\r |
| 253 | 0x9d, 0x3f,\r |
| 254 | 0x22, 0x21,\r |
| 255 | 0x42, 0x1d, 0x12, 0xbc,\r |
| 256 | 0xc3, 0xf0, 0x00, 0x10,\r |
| 257 | 0x03, 0x3e,\r |
| 258 | 0x0b, 0x07,\r |
| 259 | 0x26, 0x02,\r |
| 260 | 0xc4, 0x00, 0xff, 0x00,\r |
| 261 | 0x0a, 0x70,\r |
| 262 | 0x26, 0x91,\r |
| 263 | 0x07, 0xbb,\r |
| 264 | 0x40, 0xbd, 0x12, 0xf2,\r |
| 265 | 0x03, 0x06,\r |
| 266 | 0x24, 0xf1,\r |
| 267 | 0x24, 0x10,\r |
| 268 | 0x23, 0x04,\r |
| 269 | 0x08, 0x14,\r |
| 270 | 0x23, 0x02,\r |
| 271 | 0x08, 0x13,\r |
| 272 | 0x24, 0x01,\r |
| 273 | 0xde, 0x0d, 0x10, 0xdc,\r |
| 274 | 0x9a, 0x0f,\r |
| 275 | 0x9a, 0x01,\r |
| 276 | 0xde, 0x0d, 0x12, 0xe5,\r |
| 277 | 0xd1, 0xed, 0x13, 0xf6,\r |
| 278 | 0xd0, 0xe0, 0x00, 0x78,\r |
| 279 | 0xd1, 0xed, 0x13, 0xfa,\r |
| 280 | 0xd0, 0xe0, 0x00, 0x7c,\r |
| 281 | 0x91, 0x0f,\r |
| 282 | 0x95, 0x10,\r |
| 283 | 0x22, 0x01,\r |
| 284 | 0x00, 0x00, 0x00,\r |
| 285 | 0x80,\r |
| 286 | 0xc1,\r |
| 287 | 0xc2,\r |
| 288 | 0x14, 0x40, 0x40, 0x00,\r |
| 289 | 0x01, 0x90,\r |
| 290 | 0x01, 0x40,\r |
| 291 | 0x04, 0xc0,\r |
| 292 | 0x00, 0x00,\r |
| 293 | 0x00, 0x00\r |
| 294 | };\r |
| 295 | \r |
| 296 | /* Lower memory setup\r |
| 297 | \r |
| 298 | 78 = binary input device address\r |
| 299 | 79 = binary device input command\r |
| 300 | 7A = disk device number\r |
| 301 | 7B = device code\r |
| 302 | 7C = disk controller address\r |
| 303 | 7D = selector channel address\r |
| 304 | 7E:7F = operating system extension (user specified)\r |
| 305 | */\r |
| 306 | \r |
| 307 | struct dboot_id {\r |
| 308 | char *name;\r |
| 309 | uint32 sw;\r |
| 310 | uint32 cap;\r |
| 311 | uint32 dtype;\r |
| 312 | uint32 offset;\r |
| 313 | uint32 adder;\r |
| 314 | };\r |
| 315 | \r |
| 316 | static struct dboot_id dboot_tab[] = {\r |
| 317 | { "DP", 0, 2, 0x31, o_DP0, 0 },\r |
| 318 | { "DP", SWMASK ('F'), 9, 0x32, o_DP0, o_DPF },\r |
| 319 | { "DP", 0, 9, 0x33, o_DP0, 0 },\r |
| 320 | { "DM", 0, 64, 0x35, o_ID0, 0 },\r |
| 321 | { "DM", 0, 244, 0x36, o_ID0, 0 },\r |
| 322 | { NULL }\r |
| 323 | };\r |
| 324 | \r |
| 325 | t_stat id_dboot (int32 u, DEVICE *dptr)\r |
| 326 | {\r |
| 327 | extern DIB pt_dib, sch_dib;\r |
| 328 | extern uint32 PC;\r |
| 329 | uint32 i, typ, ctlno, off, add, cap, sch_dev;\r |
| 330 | UNIT *uptr;\r |
| 331 | \r |
| 332 | DIB *ddib = (DIB *) dptr->ctxt; /* get disk DIB */\r |
| 333 | ctlno = ddib->dno; /* get ctrl devno */\r |
| 334 | sch_dev = sch_dib.dno + ddib->sch; /* sch dev # */\r |
| 335 | uptr = dptr->units + u; /* get capacity */\r |
| 336 | cap = uptr->capac >> 20;\r |
| 337 | for (i = typ = 0; dboot_tab[i].name != NULL; i++) {\r |
| 338 | if ((strcmp (dboot_tab[i].name, dptr->name) == 0) &&\r |
| 339 | (dboot_tab[i].cap == cap)) {\r |
| 340 | typ = dboot_tab[i].dtype;\r |
| 341 | off = dboot_tab[i].offset;\r |
| 342 | add = dboot_tab[i].adder;\r |
| 343 | break;\r |
| 344 | }\r |
| 345 | }\r |
| 346 | if (typ == 0) return SCPE_NOFNC;\r |
| 347 | \r |
| 348 | IOWriteBlk (DBOOT_BEG, DBOOT_LEN, dboot_rom); /* copy boot */\r |
| 349 | IOWriteB (AL_DEV, pt_dib.dno); /* bin input dev */\r |
| 350 | IOWriteB (AL_IOC, 0x99);\r |
| 351 | IOWriteB (AL_DSKU, ctlno + ((u + 1) * off) + add); /* disk param */\r |
| 352 | IOWriteB (AL_DSKT, typ);\r |
| 353 | IOWriteB (AL_DSKC, ctlno);\r |
| 354 | IOWriteB (AL_SCH, sch_dev);\r |
| 355 | PC = DBOOT_START;\r |
| 356 | return SCPE_OK;\r |
| 357 | }\r |