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1 | /* i1620_cd.c: IBM 1622 card reader/punch\r |
2 | \r | |
3 | Copyright (c) 2002-2007, 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 | cdr 1622 card reader\r | |
27 | cdp 1622 card punch\r | |
28 | \r | |
29 | 19-Jan-07 RMS Set UNIT_TEXT flag\r | |
30 | 13-Jul-06 RMS Fixed card reader fgets call (from Tom McBride)\r | |
31 | Fixed card reader boot sequence (from Tom McBride)\r | |
32 | 21-Sep-05 RMS Revised translation tables for 7094/1401 compatibility\r | |
33 | 25-Apr-03 RMS Revised for extended file support\r | |
34 | \r | |
35 | Cards are represented as ASCII text streams terminated by newlines.\r | |
36 | This allows cards to be created and edited as normal files.\r | |
37 | */\r | |
38 | \r | |
39 | #include "i1620_defs.h"\r | |
40 | \r | |
41 | #define CD_LEN 80\r | |
42 | \r | |
43 | extern uint8 M[MAXMEMSIZE];\r | |
44 | extern uint8 ind[NUM_IND];\r | |
45 | extern UNIT cpu_unit;\r | |
46 | extern int32 io_stop;\r | |
47 | \r | |
48 | char cdr_buf[CD_LEN + 2];\r | |
49 | char cdp_buf[CD_LEN + 2];\r | |
50 | \r | |
51 | t_stat cdr_reset (DEVICE *dptr);\r | |
52 | t_stat cdr_attach (UNIT *uptr, char *cptr);\r | |
53 | t_stat cdr_boot (int32 unitno, DEVICE *dptr);\r | |
54 | t_stat cdr_read (void);\r | |
55 | t_stat cdp_reset (DEVICE *dptr);\r | |
56 | t_stat cdp_write (uint32 len);\r | |
57 | t_stat cdp_num (uint32 pa, uint32 ndig, t_bool dump);\r | |
58 | \r | |
59 | /* Card reader data structures\r | |
60 | \r | |
61 | cdr_dev CDR descriptor\r | |
62 | cdr_unit CDR unit descriptor\r | |
63 | cdr_reg CDR register list\r | |
64 | */\r | |
65 | \r | |
66 | UNIT cdr_unit = {\r | |
67 | UDATA (NULL, UNIT_SEQ+UNIT_ATTABLE+UNIT_ROABLE+UNIT_TEXT, 0)\r | |
68 | };\r | |
69 | \r | |
70 | REG cdr_reg[] = {\r | |
71 | { FLDATA (LAST, ind[IN_LAST], 0) },\r | |
72 | { DRDATA (POS, cdr_unit.pos, T_ADDR_W), PV_LEFT },\r | |
73 | { NULL }\r | |
74 | };\r | |
75 | \r | |
76 | DEVICE cdr_dev = {\r | |
77 | "CDR", &cdr_unit, cdr_reg, NULL,\r | |
78 | 1, 10, 31, 1, 8, 7,\r | |
79 | NULL, NULL, &cdr_reset,\r | |
80 | &cdr_boot, &cdr_attach, NULL\r | |
81 | };\r | |
82 | \r | |
83 | /* CDP data structures\r | |
84 | \r | |
85 | cdp_dev CDP device descriptor\r | |
86 | cdp_unit CDP unit descriptor\r | |
87 | cdp_reg CDP register list\r | |
88 | */\r | |
89 | \r | |
90 | UNIT cdp_unit = {\r | |
91 | UDATA (NULL, UNIT_SEQ+UNIT_ATTABLE+UNIT_TEXT, 0)\r | |
92 | };\r | |
93 | \r | |
94 | REG cdp_reg[] = {\r | |
95 | { DRDATA (POS, cdp_unit.pos, T_ADDR_W), PV_LEFT },\r | |
96 | { NULL }\r | |
97 | };\r | |
98 | \r | |
99 | DEVICE cdp_dev = {\r | |
100 | "CDP", &cdp_unit, cdp_reg, NULL,\r | |
101 | 1, 10, 31, 1, 8, 7,\r | |
102 | NULL, NULL, &cdp_reset,\r | |
103 | NULL, NULL, NULL\r | |
104 | };\r | |
105 | \r | |
106 | /* Data tables. The card reader presents unusual problems.\r | |
107 | - Unique codes needed for 11-2-8 (uses !) and 12-7-8 (uses ") .\r | |
108 | - Can punch both 11 (-) and 11-0 (uses ]).\r | |
109 | On input, the nul and nl generated by C are converted to\r | |
110 | spaces; tabs and line feeds are also converted to spaces.\r | |
111 | \r | |
112 | /* Card reader (ASCII) to numeric (one digit) */\r | |
113 | \r | |
114 | const char cdr_to_num[128] = {\r | |
115 | 0x00, -1, -1, -1, -1, -1, -1, -1, /* 00 */\r | |
116 | -1, 0x00, 0x00, -1, -1, 0x00, -1, -1,\r | |
117 | -1, -1, -1, -1, -1, -1, -1, -1, /* 10 */\r | |
118 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
119 | 0x00, 0x1A, 0x0F, 0x0B, 0x1B, 0x0C, 0x00, 0x0C, /* !"#$%&' */\r | |
120 | 0x0C, 0x0C, 0x1C, 0x00, 0x0B, 0x10, 0x1B, 0x01, /* ()*+,-./ */\r | |
121 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 01234567 */\r | |
122 | 0x08, 0x09, 0x00, 0x1E, 0x1E, 0x0B, 0x0E, 0x1A, /* 89:;<=>? */\r | |
123 | 0x0C, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* @ABCDEFG */\r | |
124 | 0x08, 0x09, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, /* HIJKLMNO */\r | |
125 | 0x17, 0x18, 0x19, 0x02, 0x03, 0x04, 0x05, 0x06, /* PQRSTUVW */\r | |
126 | 0x07, 0x08, 0x09, 0x00, 0x0E, 0x10, 0x0A, 0x1F, /* XYZ[\]^_ */\r | |
127 | -1, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* `abcdefg */\r | |
128 | 0x08, 0x09, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, /* hijklmno */\r | |
129 | 0x17, 0x18, 0x19, 0x02, 0x03, 0x04, 0x05, 0x06, /* pqrstuvw */\r | |
130 | 0x07, 0x08, 0x09, 0x0F, 0x0A, 0x1F, 0x00, -1 /* xyz{|}~ */\r | |
131 | };\r | |
132 | \r | |
133 | /* Numeric (flag + digit) to card punch (ASCII) */\r | |
134 | \r | |
135 | const char num_to_cdp[32] = {\r | |
136 | '0', '1', '2', '3', '4', '5', '6', '7', /* 0 */\r | |
137 | '8', '9', '|', ',', ' ', '"', ' ', '"',\r | |
138 | ']', 'J', 'K', 'L', 'M', 'N', 'O', 'P', /* F + 0 */\r | |
139 | 'Q', 'R', '!', '$', -1, -1, -1, '"'\r | |
140 | };\r | |
141 | \r | |
142 | /* Card reader (ASCII) to alphameric (two digits)\r | |
143 | \r | |
144 | 11-2-8 (!) reads as 5A\r | |
145 | 11-7-8 (_) reads as 5F\r | |
146 | 12-2-8 (?) reads inconsistently (here 02)\r | |
147 | 12-6-8 (<) reads inconsistently (here 5E)\r | |
148 | 12-7-8 (}) reads as 5F\r | |
149 | */\r | |
150 | \r | |
151 | const char cdr_to_alp[128] = {\r | |
152 | 0x00, -1, -1, -1, -1, -1, -1, -1, /* 00 */\r | |
153 | -1, 0x00, 0x00, -1, -1, 0x00, -1, -1,\r | |
154 | -1, -1, -1, -1, -1, -1, -1, -1, /* 10 */\r | |
155 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
156 | 0x00, 0x5A, 0x0F, 0x33, 0x13, 0x24, 0x10, 0x34, /* !"#$%&' */\r | |
157 | 0x24, 0x04, 0x14, 0x10, 0x23, 0x20, 0x03, 0x21, /* ()*+,-./ */\r | |
158 | 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 01234567 */\r | |
159 | 0x78, 0x79, 0x70, 0x5E, 0x5E, 0x33, 0x0E, 0x02, /* 89:;<=>? */\r | |
160 | 0x34, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* @ABCDEFG */\r | |
161 | 0x48, 0x49, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, /* HIJKLMNO */\r | |
162 | 0x57, 0x58, 0x59, 0x62, 0x63, 0x64, 0x65, 0x66, /* PQRSTUVW */\r | |
163 | 0x67, 0x68, 0x69, 0x40, 0x0E, 0x50, 0x0A, 0x5F, /* XYZ[\]^_ */\r | |
164 | 0x50, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* `abcdefg */\r | |
165 | 0x48, 0x49, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, /* hijklmno */\r | |
166 | 0x57, 0x58, 0x59, 0x62, 0x63, 0x64, 0x65, 0x66, /* pqrstuvw */\r | |
167 | 0x67, 0x68, 0x69, 0x0F, 0x0A, 0x5F, 0x60, -1 /* xyz{|}~ */\r | |
168 | };\r | |
169 | \r | |
170 | /* Alphameric (two digits) to card punch (ASCII). Oddities:\r | |
171 | \r | |
172 | 02 -> 12-2-8 (?), symmetric\r | |
173 | 07 -> 12-7-8 (}), reads as 5F\r | |
174 | 12 -> 11-2-8 (!), reads as 5A\r | |
175 | 15 -> 11,0 (`), reads as 50\r | |
176 | 22 -> 0-2-8 (|), reads as 0A\r | |
177 | 32 -> 2-8 (^), reads as 0A\r | |
178 | 5B -> 11-3-8 (=), reads as 13\r | |
179 | 6A -> 0-2-8 (|), reads as 0A\r | |
180 | 6B -> 0-3-8 (,), reads as 23\r | |
181 | AA -> 0-2-8 (|), reads as 0A\r | |
182 | \r | |
183 | There is no way to punch 0-5-8 (~), 0-6-8 (\),\r | |
184 | 11-5-8 (]), 11-6-8 (;), 11-7-8 (_),\r | |
185 | 12-5-8 ([), or 12-6-8 (<)\r | |
186 | */\r | |
187 | \r | |
188 | const char alp_to_cdp[256] = {\r | |
189 | ' ', -1, '?', '.', ')', -1, -1, '}', /* 00 */\r | |
190 | -1, -1, '\'', -1, -1, -1, -1, '"',\r | |
191 | '+', -1, '!', '$', '*', ']', -1, -1, /* 10 */ \r | |
192 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
193 | '-', '/', '|', ',', '(', -1, -1, -1, /* 20 */\r | |
194 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
195 | -1, -1, '^', '=', '@', ':', ' ', -1, /* 30 */\r | |
196 | -1, -1, '|', -1, -1, -1, -1, '"',\r | |
197 | -1, 'A', 'B', 'C', 'D', 'E', 'F', 'G', /* 40 */\r | |
198 | 'H', 'I', -1, -1, -1, -1, -1, -1,\r | |
199 | '_', 'J', 'K', 'L', 'M', 'N', 'O', 'P', /* 50 */\r | |
200 | 'Q', 'R', '?', '=', -1, -1, -1, '}',\r | |
201 | -1, '/', 'S', 'T', 'U', 'V', 'W', 'X', /* 60 */\r | |
202 | 'Y', 'Z', '|', ',', -1, -1, -1, -1,\r | |
203 | '0', '1', '2', '3', '4', '5', '6', '7', /* 70 */\r | |
204 | '8', '9', -1, -1, -1, -1, -1, -1,\r | |
205 | -1, -1, -1, -1, -1, -1, -1, -1, /* 80 */\r | |
206 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
207 | -1, -1, -1, -1, -1, -1, -1, -1, /* 90 */\r | |
208 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
209 | -1, -1, -1, -1, -1, -1, -1, -1, /* A0 */\r | |
210 | -1, -1, '|', -1, -1, -1, -1, -1,\r | |
211 | -1, -1, -1, -1, -1, -1, -1, -1, /* B0 */\r | |
212 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
213 | -1, -1, -1, -1, -1, -1, -1, -1, /* C0 */\r | |
214 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
215 | -1, -1, -1, -1, -1, -1, -1, -1, /* D0 */\r | |
216 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
217 | -1, -1, -1, -1, -1, -1, -1, -1, /* E0 */\r | |
218 | -1, -1, -1, -1, -1, -1, -1, -1,\r | |
219 | -1, -1, -1, -1, -1, -1, -1, -1, /* F0 */\r | |
220 | -1, -1, -1, -1, -1, -1, -1, -1\r | |
221 | }; \r | |
222 | \r | |
223 | /* Card reader IO routine\r | |
224 | \r | |
225 | - Hard errors stop the operation and halt the system.\r | |
226 | - Invalid characters place a blank in memory and set RDCHK.\r | |
227 | If IO stop is set, the system halts at the end of the operation.\r | |
228 | */\r | |
229 | \r | |
230 | t_stat cdr (uint32 op, uint32 pa, uint32 f0, uint32 f1)\r | |
231 | {\r | |
232 | int32 i;\r | |
233 | int8 cdc;\r | |
234 | t_stat r, sta;\r | |
235 | \r | |
236 | sta = SCPE_OK; /* assume ok */\r | |
237 | switch (op) { /* case on op */\r | |
238 | \r | |
239 | case OP_RN: /* read numeric */\r | |
240 | r = cdr_read (); /* fill reader buf */\r | |
241 | if (r != SCPE_OK) return r; /* error? */\r | |
242 | for (i = 0; i < CD_LEN; i++) { /* transfer to mem */\r | |
243 | cdc = cdr_to_num[cdr_buf[i]]; /* translate */\r | |
244 | if (cdc < 0) { /* invalid? */\r | |
245 | ind[IN_RDCHK] = 1; /* set read check */\r | |
246 | if (io_stop) sta = STOP_INVCHR; /* set return status */\r | |
247 | cdc = 0;\r | |
248 | }\r | |
249 | M[pa] = cdc; /* store digit */\r | |
250 | PP (pa); /* incr mem addr */\r | |
251 | }\r | |
252 | break;\r | |
253 | \r | |
254 | case OP_RA: /* read alphameric */\r | |
255 | r = cdr_read (); /* fill reader buf */\r | |
256 | if (r != SCPE_OK) return r; /* error? */\r | |
257 | for (i = 0; i < CD_LEN; i++) { /* transfer to mem */\r | |
258 | cdc = cdr_to_alp[cdr_buf[i]]; /* translate */\r | |
259 | if (cdc < 0) { /* invalid? */\r | |
260 | ind[IN_RDCHK] = 1; /* set read check */\r | |
261 | if (io_stop) sta = STOP_INVCHR; /* set return status */\r | |
262 | cdc = 0;\r | |
263 | };\r | |
264 | M[pa] = (M[pa] & FLAG) | (cdc & DIGIT); /* store 2 digits */\r | |
265 | M[pa - 1] = (M[pa - 1] & FLAG) | ((cdc >> 4) & DIGIT);\r | |
266 | pa = ADDR_A (pa, 2); /* incr mem addr */\r | |
267 | }\r | |
268 | break; \r | |
269 | \r | |
270 | default: /* invalid function */\r | |
271 | return STOP_INVFNC;\r | |
272 | }\r | |
273 | \r | |
274 | return sta;\r | |
275 | }\r | |
276 | \r | |
277 | /* Fill card reader buffer - all errors are hard errors */\r | |
278 | \r | |
279 | t_stat cdr_read (void)\r | |
280 | {\r | |
281 | int32 i;\r | |
282 | \r | |
283 | ind[IN_LAST] = 0; /* clear last card */\r | |
284 | if ((cdr_unit.flags & UNIT_ATT) == 0) { /* attached? */\r | |
285 | ind[IN_RDCHK] = 1; /* no, error */\r | |
286 | return SCPE_UNATT;\r | |
287 | }\r | |
288 | \r | |
289 | for (i = 0; i < CD_LEN + 2; i++) cdr_buf[i] = ' '; /* clear buffer */\r | |
290 | fgets (cdr_buf, CD_LEN + 2, cdr_unit.fileref); /* read card */\r | |
291 | if (feof (cdr_unit.fileref)) return STOP_NOCD; /* eof? */\r | |
292 | if (ferror (cdr_unit.fileref)) { /* error? */\r | |
293 | ind[IN_RDCHK] = 1; /* set read check */\r | |
294 | perror ("CDR I/O error");\r | |
295 | clearerr (cdr_unit.fileref);\r | |
296 | return SCPE_IOERR;\r | |
297 | }\r | |
298 | cdr_unit.pos = ftell (cdr_unit.fileref); /* update position */\r | |
299 | getc (cdr_unit.fileref); /* see if more */\r | |
300 | if (feof (cdr_unit.fileref)) ind[IN_LAST] = 1; /* eof? set last */\r | |
301 | fseek (cdr_unit.fileref, cdr_unit.pos, SEEK_SET); /* "backspace" */\r | |
302 | return SCPE_OK;\r | |
303 | }\r | |
304 | \r | |
305 | /* Card reader attach */\r | |
306 | \r | |
307 | t_stat cdr_attach (UNIT *uptr, char *cptr)\r | |
308 | {\r | |
309 | ind[IN_LAST] = 0; /* clear last card */\r | |
310 | return attach_unit (uptr, cptr);\r | |
311 | }\r | |
312 | \r | |
313 | /* Card reader reset */\r | |
314 | \r | |
315 | t_stat cdr_reset (DEVICE *dptr)\r | |
316 | {\r | |
317 | ind[IN_LAST] = 0; /* clear last card */\r | |
318 | return SCPE_OK;\r | |
319 | }\r | |
320 | \r | |
321 | /* Bootstrap routine */\r | |
322 | \r | |
323 | #define BOOT_START 0\r | |
324 | \r | |
325 | t_stat cdr_boot (int32 unitno, DEVICE *dptr)\r | |
326 | {\r | |
327 | t_stat r;\r | |
328 | int32 old_io_stop;\r | |
329 | extern int32 saved_PC;\r | |
330 | \r | |
331 | old_io_stop = io_stop;\r | |
332 | io_stop = 1;\r | |
333 | r = cdr (OP_RN, 0, 0, 0); /* read card @ 0 */\r | |
334 | io_stop = old_io_stop;\r | |
335 | if (r != SCPE_OK) return r; /* error? */\r | |
336 | saved_PC = BOOT_START;\r | |
337 | return SCPE_OK;\r | |
338 | }\r | |
339 | \r | |
340 | /* Card punch IO routine \r | |
341 | \r | |
342 | - Hard errors stop the operation and halt the system.\r | |
343 | - Invalid characters stop the operation and set WRCHK.\r | |
344 | If IO stop is set, the system halts.\r | |
345 | */\r | |
346 | \r | |
347 | t_stat cdp (uint32 op, uint32 pa, uint32 f0, uint32 f1)\r | |
348 | {\r | |
349 | int32 i;\r | |
350 | int8 cdc;\r | |
351 | uint8 z, d;\r | |
352 | \r | |
353 | switch (op) { /* decode op */\r | |
354 | \r | |
355 | case OP_DN:\r | |
356 | return cdp_num (pa, 20000 - (pa % 20000), TRUE); /* dump numeric */\r | |
357 | \r | |
358 | case OP_WN:\r | |
359 | return cdp_num (pa, CD_LEN, FALSE); /* write numeric */\r | |
360 | \r | |
361 | case OP_WA:\r | |
362 | for (i = 0; i < CD_LEN; i++) { /* one card */\r | |
363 | d = M[pa] & DIGIT; /* get digit pair */\r | |
364 | z = M[pa - 1] & DIGIT;\r | |
365 | cdc = alp_to_cdp[(z << 4) | d]; /* translate */\r | |
366 | if (cdc < 0) { /* bad char? */\r | |
367 | ind[IN_WRCHK] = 1; /* set write check */\r | |
368 | CRETIOE (io_stop, STOP_INVCHR);\r | |
369 | }\r | |
370 | cdp_buf[i] = cdc; /* store in buf */\r | |
371 | pa = ADDR_A (pa, 2); /* incr mem addr */\r | |
372 | }\r | |
373 | return cdp_write (CD_LEN); /* punch buffer */\r | |
374 | \r | |
375 | default: /* invalid function */\r | |
376 | break;\r | |
377 | }\r | |
378 | \r | |
379 | return STOP_INVFNC;\r | |
380 | }\r | |
381 | \r | |
382 | /* Punch card numeric */\r | |
383 | \r | |
384 | t_stat cdp_num (uint32 pa, uint32 ndig, t_bool dump)\r | |
385 | {\r | |
386 | int32 i, ncd, len;\r | |
387 | uint8 d;\r | |
388 | int8 cdc;\r | |
389 | t_stat r;\r | |
390 | \r | |
391 | ncd = ndig / CD_LEN; /* number of cards */\r | |
392 | while (ncd-- >= 0) { /* until done */\r | |
393 | len = (ncd >= 0)? CD_LEN: (ndig % CD_LEN); /* card length */\r | |
394 | if (len == 0) break;\r | |
395 | for (i = 0; i < len; i++) { /* one card */\r | |
396 | d = M[pa] & (FLAG | DIGIT); /* get char */\r | |
397 | if (dump && (d == FLAG)) cdc = '-'; /* dump? F+0 is diff */\r | |
398 | else cdc = num_to_cdp[d]; /* translate */\r | |
399 | if (cdc < 0) { /* bad char? */\r | |
400 | ind[IN_WRCHK] = 1; /* set write check */\r | |
401 | CRETIOE (io_stop, STOP_INVCHR); /* stop */\r | |
402 | }\r | |
403 | cdp_buf[i] = cdc; /* store in buf */\r | |
404 | PP (pa); /* incr mem addr */\r | |
405 | }\r | |
406 | r = cdp_write (len); /* punch card */\r | |
407 | if (r != SCPE_OK) return r; /* error? */\r | |
408 | }\r | |
409 | return SCPE_OK;\r | |
410 | }\r | |
411 | \r | |
412 | /* Write punch card buffer - all errors are hard errors */\r | |
413 | \r | |
414 | t_stat cdp_write (uint32 len)\r | |
415 | {\r | |
416 | if ((cdp_unit.flags & UNIT_ATT) == 0) { /* attached? */\r | |
417 | ind[IN_WRCHK] = 1; /* no, error */\r | |
418 | return SCPE_UNATT;\r | |
419 | }\r | |
420 | \r | |
421 | while ((len > 0) && (cdp_buf[len - 1] == ' ')) --len; /* trim spaces */\r | |
422 | cdp_buf[len] = '\n'; /* newline, null */\r | |
423 | cdp_buf[len + 1] = 0;\r | |
424 | \r | |
425 | fputs (cdp_buf, cdp_unit.fileref); /* write card */\r | |
426 | cdp_unit.pos = ftell (cdp_unit.fileref); /* count char */\r | |
427 | if (ferror (cdp_unit.fileref)) { /* error? */\r | |
428 | ind[IN_WRCHK] = 1;\r | |
429 | perror ("CDP I/O error");\r | |
430 | clearerr (cdp_unit.fileref);\r | |
431 | return SCPE_IOERR;\r | |
432 | }\r | |
433 | return SCPE_OK;\r | |
434 | }\r | |
435 | \r | |
436 | /* Reset card punch */\r | |
437 | \r | |
438 | t_stat cdp_reset (DEVICE *dptr)\r | |
439 | {\r | |
440 | return SCPE_OK;\r | |
441 | }\r |