| 1 | /* s3_cd.c: IBM 1442 card reader/punch\r |
| 2 | \r |
| 3 | Copyright (c) 2001-2005, Charles E. Owen\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 Charles E. Owen 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 Charles E. Owen.\r |
| 25 | \r |
| 26 | cdr card reader\r |
| 27 | cdp card punch\r |
| 28 | cdp2 card punch stacker 2\r |
| 29 | \r |
| 30 | 25-Apr-03 RMS Revised for extended file support\r |
| 31 | 08-Oct-02 RMS Added impossible function catcher\r |
| 32 | \r |
| 33 | Normally, cards are represented as ASCII text streams terminated by newlines.\r |
| 34 | This allows cards to be created and edited as normal files. Set the EBCDIC\r |
| 35 | flag on the card unit allows cards to be read or punched in EBCDIC format,\r |
| 36 | suitable for binary data.\r |
| 37 | */\r |
| 38 | \r |
| 39 | #include "s3_defs.h"\r |
| 40 | #include <ctype.h>\r |
| 41 | \r |
| 42 | extern uint8 M[];\r |
| 43 | extern char ebcdic_to_ascii[256];\r |
| 44 | extern char ascii_to_ebcdic[256];\r |
| 45 | int32 s1sel, s2sel;\r |
| 46 | char rbuf[CBUFSIZE]; /* > CDR_WIDTH */\r |
| 47 | t_stat cdr_svc (UNIT *uptr);\r |
| 48 | t_stat cdr_boot (int32 unitno, DEVICE *dptr);\r |
| 49 | t_stat cdr_attach (UNIT *uptr, char *cptr);\r |
| 50 | t_stat cd_reset (DEVICE *dptr);\r |
| 51 | t_stat read_card (int32 ilnt, int32 mod);\r |
| 52 | t_stat punch_card (int32 ilnt, int32 mod);\r |
| 53 | \r |
| 54 | int32 DAR; /* Data address register */ \r |
| 55 | int32 LCR; /* Length Count Register */\r |
| 56 | int32 lastcard = 0; /* Last card switch */\r |
| 57 | int32 carderr = 0; /* Error switch */\r |
| 58 | int32 pcherror = 0; /* Punch error */\r |
| 59 | int32 notready = 0; /* Not ready error */\r |
| 60 | int32 cdr_ebcdic = 0; /* EBCDIC mode on reader */\r |
| 61 | int32 cdp_ebcdic = 0; /* EBCDIC mode on punch */\r |
| 62 | \r |
| 63 | extern int32 GetMem(int32 addr);\r |
| 64 | extern int32 PutMem(int32 addr, int32 data);\r |
| 65 | \r |
| 66 | /* Card reader data structures\r |
| 67 | \r |
| 68 | cdr_dev CDR descriptor\r |
| 69 | cdr_unit CDR unit descriptor\r |
| 70 | cdr_reg CDR register list\r |
| 71 | */\r |
| 72 | \r |
| 73 | UNIT cdr_unit = { UDATA (&cdr_svc, UNIT_SEQ+UNIT_ATTABLE, 0), 100 };\r |
| 74 | \r |
| 75 | REG cdr_reg[] = {\r |
| 76 | { FLDATA (LAST, lastcard, 0) },\r |
| 77 | { FLDATA (ERR, carderr, 0) },\r |
| 78 | { FLDATA (NOTRDY, notready, 0) },\r |
| 79 | { HRDATA (DAR, DAR, 16) },\r |
| 80 | { HRDATA (LCR, LCR, 16) },\r |
| 81 | { FLDATA (EBCDIC, cdr_ebcdic, 0) },\r |
| 82 | { FLDATA (S2, s2sel, 0) },\r |
| 83 | { DRDATA (POS, cdr_unit.pos, T_ADDR_W), PV_LEFT },\r |
| 84 | { DRDATA (TIME, cdr_unit.wait, 24), PV_LEFT },\r |
| 85 | { BRDATA (BUF, rbuf, 8, 8, CDR_WIDTH) },\r |
| 86 | { NULL }\r |
| 87 | };\r |
| 88 | \r |
| 89 | DEVICE cdr_dev = {\r |
| 90 | "CDR", &cdr_unit, cdr_reg, NULL,\r |
| 91 | 1, 10, 31, 1, 8, 7,\r |
| 92 | NULL, NULL, &cd_reset,\r |
| 93 | &cdr_boot, &cdr_attach, NULL\r |
| 94 | };\r |
| 95 | \r |
| 96 | /* CDP data structures\r |
| 97 | \r |
| 98 | cdp_dev CDP device descriptor\r |
| 99 | cdp_unit CDP unit descriptor\r |
| 100 | cdp_reg CDP register list\r |
| 101 | */\r |
| 102 | \r |
| 103 | UNIT cdp_unit = { UDATA (NULL, UNIT_SEQ+UNIT_ATTABLE, 0) };\r |
| 104 | \r |
| 105 | REG cdp_reg[] = {\r |
| 106 | { FLDATA (ERR, pcherror, 0) },\r |
| 107 | { FLDATA (EBCDIC, cdp_ebcdic, 0) },\r |
| 108 | { FLDATA (S2, s2sel, 0) },\r |
| 109 | { FLDATA (NOTRDY, notready, 0) },\r |
| 110 | { HRDATA (DAR, DAR, 16) },\r |
| 111 | { HRDATA (LCR, LCR, 16) },\r |
| 112 | { DRDATA (POS, cdp_unit.pos, T_ADDR_W), PV_LEFT },\r |
| 113 | { NULL }\r |
| 114 | };\r |
| 115 | \r |
| 116 | DEVICE cdp_dev = {\r |
| 117 | "CDP", &cdp_unit, cdp_reg, NULL,\r |
| 118 | 1, 10, 31, 1, 8, 7,\r |
| 119 | NULL, NULL, &cd_reset,\r |
| 120 | NULL, NULL, NULL\r |
| 121 | };\r |
| 122 | \r |
| 123 | /* Stacker data structures\r |
| 124 | \r |
| 125 | stack_dev STACK device descriptor\r |
| 126 | stack_unit STACK unit descriptors\r |
| 127 | stack_reg STACK register list\r |
| 128 | */\r |
| 129 | \r |
| 130 | UNIT stack_unit[] = {\r |
| 131 | { UDATA (NULL, UNIT_SEQ+UNIT_ATTABLE, 0) }\r |
| 132 | };\r |
| 133 | \r |
| 134 | REG stack_reg[] = {\r |
| 135 | { DRDATA (POS0, stack_unit[0].pos, 32), PV_LEFT },\r |
| 136 | { NULL }\r |
| 137 | };\r |
| 138 | \r |
| 139 | DEVICE stack_dev = {\r |
| 140 | "CDP2", stack_unit, stack_reg, NULL,\r |
| 141 | 1, 10, 31, 1, 8, 7,\r |
| 142 | NULL, NULL, &cd_reset,\r |
| 143 | NULL, NULL, NULL\r |
| 144 | };\r |
| 145 | \r |
| 146 | \r |
| 147 | /* -------------------------------------------------------------------- */\r |
| 148 | \r |
| 149 | /* 1442: master routine */\r |
| 150 | \r |
| 151 | int32 crd (int32 op, int32 m, int32 n, int32 data)\r |
| 152 | {\r |
| 153 | int32 iodata;\r |
| 154 | switch (op) {\r |
| 155 | case 0: /* SIO 1442 */\r |
| 156 | /* if (n == 1)\r |
| 157 | return STOP_IBKPT; */\r |
| 158 | switch (data) { /* Select stacker */\r |
| 159 | case 0x00:\r |
| 160 | break;\r |
| 161 | case 0x01:\r |
| 162 | s2sel = 1;\r |
| 163 | break;\r |
| 164 | default:\r |
| 165 | break;\r |
| 166 | } \r |
| 167 | switch (n) {\r |
| 168 | case 0x00: /* Feed */\r |
| 169 | iodata = SCPE_OK;\r |
| 170 | break; \r |
| 171 | case 0x01: /* Read only */\r |
| 172 | if (cdr_ebcdic)\r |
| 173 | iodata = read_card(0, 1);\r |
| 174 | else\r |
| 175 | iodata = read_card(0, 0);\r |
| 176 | break;\r |
| 177 | case 0x02: /* Punch and feed */\r |
| 178 | iodata = punch_card(0, 0);\r |
| 179 | break;\r |
| 180 | case 0x03: /* Read Col Binary */\r |
| 181 | iodata = read_card(0, 1);\r |
| 182 | break;\r |
| 183 | case 0x04: /* Punch no feed */\r |
| 184 | iodata = punch_card(0, 1);\r |
| 185 | break;\r |
| 186 | default:\r |
| 187 | return STOP_INVDEV;\r |
| 188 | }\r |
| 189 | return iodata;\r |
| 190 | case 1: /* LIO 1442 */\r |
| 191 | switch (n) {\r |
| 192 | case 0x00: /* Load LCR */\r |
| 193 | LCR = data & 0xffff;\r |
| 194 | break;\r |
| 195 | case 0x04:\r |
| 196 | DAR = data & 0xffff;\r |
| 197 | break;\r |
| 198 | default:\r |
| 199 | return STOP_INVDEV;\r |
| 200 | }\r |
| 201 | return SCPE_OK;\r |
| 202 | case 2: /* TIO 1442 */\r |
| 203 | iodata = 0;\r |
| 204 | switch (n) {\r |
| 205 | case 0x00: /* Error */\r |
| 206 | if (carderr || pcherror || notready)\r |
| 207 | iodata = 1;\r |
| 208 | if ((cdr_unit.flags & UNIT_ATT) == 0) \r |
| 209 | iodata = 1; /* attached? */\r |
| 210 | break;\r |
| 211 | case 0x02: /* Busy */\r |
| 212 | if (sim_is_active (&cdr_unit)) \r |
| 213 | iodata = 1;\r |
| 214 | break; \r |
| 215 | default:\r |
| 216 | return (STOP_INVDEV << 16);\r |
| 217 | } \r |
| 218 | return ((SCPE_OK << 16) | iodata);\r |
| 219 | case 3: /* SNS 1442 */\r |
| 220 | iodata = 0;\r |
| 221 | switch (n) {\r |
| 222 | case 0x01:\r |
| 223 | break;\r |
| 224 | case 0x02:\r |
| 225 | break;\r |
| 226 | case 0x03:\r |
| 227 | if (carderr)\r |
| 228 | iodata |= 0x80;\r |
| 229 | if (lastcard)\r |
| 230 | iodata |= 0x40;\r |
| 231 | if (pcherror)\r |
| 232 | iodata |= 0x20;\r |
| 233 | if ((cdr_unit.flags & UNIT_ATT) == 0) \r |
| 234 | iodata |= 0x08;\r |
| 235 | if (notready)\r |
| 236 | iodata |= 0x08; \r |
| 237 | break;\r |
| 238 | case 0x04:\r |
| 239 | iodata = DAR;\r |
| 240 | break; \r |
| 241 | default:\r |
| 242 | return (STOP_INVDEV << 16);\r |
| 243 | }\r |
| 244 | iodata |= ((SCPE_OK << 16) & 0xffff0000); \r |
| 245 | return (iodata);\r |
| 246 | case 4: /* APL 1442 */\r |
| 247 | iodata = 0;\r |
| 248 | switch (n) {\r |
| 249 | case 0x00: /* Error */\r |
| 250 | if (carderr || pcherror || notready)\r |
| 251 | iodata = 1;\r |
| 252 | if ((cdr_unit.flags & UNIT_ATT) == 0) \r |
| 253 | iodata = 1; /* attached? */\r |
| 254 | break;\r |
| 255 | case 0x02: /* Busy */\r |
| 256 | if (sim_is_active (&cdr_unit)) \r |
| 257 | iodata = 1;\r |
| 258 | break; \r |
| 259 | default:\r |
| 260 | return (STOP_INVDEV << 16);\r |
| 261 | } \r |
| 262 | return ((SCPE_OK << 16) | iodata);\r |
| 263 | default:\r |
| 264 | break;\r |
| 265 | } \r |
| 266 | printf (">>CRD non-existent function %d\n", op);\r |
| 267 | return SCPE_OK; \r |
| 268 | }\r |
| 269 | \r |
| 270 | /* Card read routine\r |
| 271 | mod 0 = ASCII read\r |
| 272 | mod 1 = EBCDIC read\r |
| 273 | */\r |
| 274 | \r |
| 275 | t_stat read_card (int32 ilnt, int32 mod)\r |
| 276 | {\r |
| 277 | int32 i;\r |
| 278 | t_stat r;\r |
| 279 | \r |
| 280 | if (sim_is_active (&cdr_unit)) { /* busy? */\r |
| 281 | sim_cancel (&cdr_unit); /* cancel */\r |
| 282 | if (r = cdr_svc (&cdr_unit)) return r; /* process */\r |
| 283 | } \r |
| 284 | \r |
| 285 | if (((cdp_unit.flags & UNIT_ATT) != 0 ||\r |
| 286 | (stack_unit[0].flags & UNIT_ATT) != 0) && /* Punch is attached and */\r |
| 287 | (cdr_unit.flags & UNIT_ATT) == 0) { /* reader is not --- */\r |
| 288 | for (i = 0; i < 80; i++) { /* Assume blank cards in hopper */\r |
| 289 | PutMem(DAR, 0x40);\r |
| 290 | DAR++;\r |
| 291 | }\r |
| 292 | sim_activate (&cdr_unit, cdr_unit.wait); /* activate */\r |
| 293 | return SCPE_OK;\r |
| 294 | }\r |
| 295 | \r |
| 296 | if ((cdr_unit.flags & UNIT_ATT) == 0) return SCPE_UNATT; /* attached? */\r |
| 297 | \r |
| 298 | lastcard = carderr = notready = s1sel = s2sel = 0; /* default stacker */\r |
| 299 | \r |
| 300 | for (i = 0; i < CBUFSIZE; i++) rbuf[i] = 0x20; /* clear buffer */\r |
| 301 | if (mod) {\r |
| 302 | for (i = 0; i < 80; i++) {\r |
| 303 | rbuf[i] = fgetc(cdr_unit.fileref); /* Read EBCDIC */\r |
| 304 | } \r |
| 305 | } else { \r |
| 306 | fgets (rbuf, CBUFSIZE, cdr_unit.fileref); /* read Ascii */\r |
| 307 | } \r |
| 308 | if (feof (cdr_unit.fileref)) { /* eof? */\r |
| 309 | notready = 1;\r |
| 310 | return STOP_NOCD;\r |
| 311 | } \r |
| 312 | if (ferror (cdr_unit.fileref)) { /* error? */\r |
| 313 | perror ("Card reader I/O error");\r |
| 314 | clearerr (cdr_unit.fileref);\r |
| 315 | carderr = 1; \r |
| 316 | return SCPE_OK; }\r |
| 317 | cdr_unit.pos = ftell (cdr_unit.fileref); /* update position */\r |
| 318 | i = getc (cdr_unit.fileref); /* see if more */\r |
| 319 | if (feof (cdr_unit.fileref)) lastcard = 1; /* eof? set flag */\r |
| 320 | fseek (cdr_unit.fileref, cdr_unit.pos, SEEK_SET);\r |
| 321 | for (i = 0; i < 80; i++) { \r |
| 322 | if (mod == 0) { /* If ASCII mode... */\r |
| 323 | if (rbuf[i] == '\n' || /* remove ASCII CR/LF */\r |
| 324 | rbuf[i] == '\r' ||\r |
| 325 | rbuf[i] == 0x00)\r |
| 326 | rbuf[i] = ' ';\r |
| 327 | rbuf[i] = ascii_to_ebcdic[rbuf[i]]; /* convert to EBCDIC */\r |
| 328 | } \r |
| 329 | PutMem(DAR, rbuf[i]); /* Copy to main memory */\r |
| 330 | DAR++;\r |
| 331 | }\r |
| 332 | sim_activate (&cdr_unit, cdr_unit.wait); /* activate */\r |
| 333 | return SCPE_OK;\r |
| 334 | }\r |
| 335 | \r |
| 336 | /* Card reader service. If a stacker select is active, copy to the\r |
| 337 | selected stacker. Otherwise, copy to the normal stacker. If the\r |
| 338 | unit is unattached, simply exit.\r |
| 339 | */\r |
| 340 | \r |
| 341 | t_stat cdr_svc (UNIT *uptr)\r |
| 342 | {\r |
| 343 | int32 i;\r |
| 344 | \r |
| 345 | if (s2sel) uptr = &stack_unit[0]; /* stacker 1? */\r |
| 346 | else uptr = &stack_unit[0]; /* then default */\r |
| 347 | if ((uptr -> flags & UNIT_ATT) == 0) return SCPE_OK; /* attached? */\r |
| 348 | for (i = 0; i < CDR_WIDTH; i++) rbuf[i] = ebcdic_to_ascii[rbuf[i]];\r |
| 349 | for (i = CDR_WIDTH - 1; (i >= 0) && (rbuf[i] == ' '); i--) rbuf[i] = 0;\r |
| 350 | rbuf[CDR_WIDTH] = 0; /* null at end */\r |
| 351 | fputs (rbuf, uptr -> fileref); /* write card */\r |
| 352 | fputc ('\n', uptr -> fileref); /* plus new line */\r |
| 353 | if (ferror (uptr -> fileref)) { /* error? */\r |
| 354 | perror ("Card stacker I/O error");\r |
| 355 | clearerr (uptr -> fileref);\r |
| 356 | }\r |
| 357 | uptr -> pos = ftell (uptr -> fileref); /* update position */\r |
| 358 | return SCPE_OK;\r |
| 359 | }\r |
| 360 | \r |
| 361 | /* Card punch routine\r |
| 362 | \r |
| 363 | mod: not used\r |
| 364 | */\r |
| 365 | \r |
| 366 | t_stat punch_card (int32 ilnt, int32 mod)\r |
| 367 | {\r |
| 368 | int32 i, colcount;\r |
| 369 | static char pbuf[CDP_WIDTH + 1]; /* + null */\r |
| 370 | UNIT *uptr;\r |
| 371 | \r |
| 372 | if (s2sel) uptr = &stack_unit[0]; /* stack 2? */\r |
| 373 | else uptr = &cdp_unit; /* normal output */\r |
| 374 | if ((uptr -> flags & UNIT_ATT) == 0) { /* Attached? */\r |
| 375 | notready = 1;\r |
| 376 | return SCPE_OK; \r |
| 377 | }\r |
| 378 | pcherror = s1sel = notready = 0; /* clear flags */\r |
| 379 | \r |
| 380 | colcount = 128 - LCR;\r |
| 381 | for (i = 0; i < colcount; i++) { /* Fetch data */\r |
| 382 | if (cdp_ebcdic)\r |
| 383 | pbuf[i] = GetMem(DAR) & 0xff;\r |
| 384 | else\r |
| 385 | pbuf[i] = ebcdic_to_ascii[GetMem(DAR)];\r |
| 386 | DAR++;\r |
| 387 | } \r |
| 388 | for (i = CDP_WIDTH - 1; (i >= 0) && (pbuf[i] == ' '); i--) pbuf[i] = 0;\r |
| 389 | pbuf[CDP_WIDTH] = 0; /* trailing null */\r |
| 390 | if (!cdp_ebcdic) {\r |
| 391 | fputs (pbuf, uptr -> fileref); /* output card */\r |
| 392 | fputc ('\n', uptr -> fileref); /* plus new line */\r |
| 393 | } else {\r |
| 394 | for (i = 0; i < 80; i++) {\r |
| 395 | fputc(pbuf[i], uptr -> fileref);\r |
| 396 | } \r |
| 397 | } \r |
| 398 | if (ferror (uptr -> fileref)) { /* error? */\r |
| 399 | perror ("Card punch I/O error");\r |
| 400 | clearerr (uptr -> fileref);\r |
| 401 | pcherror = 1;\r |
| 402 | }\r |
| 403 | uptr -> pos = ftell (uptr -> fileref); /* update position */\r |
| 404 | return SCPE_OK;\r |
| 405 | }\r |
| 406 | \r |
| 407 | /* Select stack routine\r |
| 408 | \r |
| 409 | Modifiers have been checked by the caller\r |
| 410 | Modifiers are 1, 2, for the respective stack\r |
| 411 | */\r |
| 412 | \r |
| 413 | t_stat select_stack (int32 ilnt, int32 mod)\r |
| 414 | {\r |
| 415 | if (mod == 1) s1sel = 1;\r |
| 416 | else if (mod == 2) s2sel = 1;\r |
| 417 | return SCPE_OK;\r |
| 418 | }\r |
| 419 | \r |
| 420 | /* Card reader/punch reset */\r |
| 421 | \r |
| 422 | t_stat cd_reset (DEVICE *dptr)\r |
| 423 | {\r |
| 424 | lastcard = carderr = notready = pcherror = 0; /* clear indicators */\r |
| 425 | s1sel = s2sel = 0; /* clear stacker sel */\r |
| 426 | sim_cancel (&cdr_unit); /* clear reader event */\r |
| 427 | return SCPE_OK;\r |
| 428 | }\r |
| 429 | \r |
| 430 | /* Card reader attach */\r |
| 431 | \r |
| 432 | t_stat cdr_attach (UNIT *uptr, char *cptr)\r |
| 433 | {\r |
| 434 | carderr = lastcard = notready = 0; /* clear last card */\r |
| 435 | return attach_unit (uptr, cptr);\r |
| 436 | }\r |
| 437 | \r |
| 438 | /* Bootstrap routine */\r |
| 439 | \r |
| 440 | t_stat cdr_boot (int32 unitno, DEVICE *dptr)\r |
| 441 | {\r |
| 442 | cdr_ebcdic = 1;\r |
| 443 | DAR = 0;\r |
| 444 | LCR = 80;\r |
| 445 | read_card(0, 1);\r |
| 446 | return SCPE_OK;\r |
| 447 | }\r |