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196ba1fc PH |
1 | /* pdp11_pt.c: PC11 paper tape reader/punch simulator\r |
2 | \r | |
3 | Copyright (c) 1993-2005, 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 | ptr paper tape reader\r | |
27 | ptp paper tape punch\r | |
28 | \r | |
29 | 07-Jul-05 RMS Removed extraneous externs\r | |
30 | 19-May-03 RMS Revised for new conditional compilation scheme\r | |
31 | 25-Apr-03 RMS Revised for extended file support\r | |
32 | 12-Sep-02 RMS Split off from pdp11_stddev.c\r | |
33 | */\r | |
34 | \r | |
35 | #if defined (VM_PDP10) /* PDP10 version */\r | |
36 | #include "pdp10_defs.h"\r | |
37 | #define PT_DIS DEV_DIS\r | |
38 | extern int32 int_req;\r | |
39 | \r | |
40 | #elif defined (VM_VAX) /* VAX version */\r | |
41 | #include "vax_defs.h"\r | |
42 | #define PT_DIS DEV_DIS\r | |
43 | extern int32 int_req[IPL_HLVL];\r | |
44 | \r | |
45 | #else /* PDP-11 version */\r | |
46 | #include "pdp11_defs.h"\r | |
47 | #define PT_DIS 0\r | |
48 | extern int32 int_req[IPL_HLVL];\r | |
49 | #endif\r | |
50 | \r | |
51 | #define PTRCSR_IMP (CSR_ERR+CSR_BUSY+CSR_DONE+CSR_IE) /* paper tape reader */\r | |
52 | #define PTRCSR_RW (CSR_IE)\r | |
53 | #define PTPCSR_IMP (CSR_ERR + CSR_DONE + CSR_IE) /* paper tape punch */\r | |
54 | #define PTPCSR_RW (CSR_IE)\r | |
55 | \r | |
56 | int32 ptr_csr = 0; /* control/status */\r | |
57 | int32 ptr_stopioe = 0; /* stop on error */\r | |
58 | int32 ptp_csr = 0; /* control/status */\r | |
59 | int32 ptp_stopioe = 0; /* stop on error */\r | |
60 | \r | |
61 | DEVICE ptr_dev, ptp_dev;\r | |
62 | t_stat ptr_rd (int32 *data, int32 PA, int32 access);\r | |
63 | t_stat ptr_wr (int32 data, int32 PA, int32 access);\r | |
64 | t_stat ptr_svc (UNIT *uptr);\r | |
65 | t_stat ptr_reset (DEVICE *dptr);\r | |
66 | t_stat ptr_attach (UNIT *uptr, char *ptr);\r | |
67 | t_stat ptr_detach (UNIT *uptr);\r | |
68 | t_stat ptp_rd (int32 *data, int32 PA, int32 access);\r | |
69 | t_stat ptp_wr (int32 data, int32 PA, int32 access);\r | |
70 | t_stat ptp_svc (UNIT *uptr);\r | |
71 | t_stat ptp_reset (DEVICE *dptr);\r | |
72 | t_stat ptp_attach (UNIT *uptr, char *ptr);\r | |
73 | t_stat ptp_detach (UNIT *uptr);\r | |
74 | \r | |
75 | /* PTR data structures\r | |
76 | \r | |
77 | ptr_dev PTR device descriptor\r | |
78 | ptr_unit PTR unit descriptor\r | |
79 | ptr_reg PTR register list\r | |
80 | */\r | |
81 | \r | |
82 | DIB ptr_dib = {\r | |
83 | IOBA_PTR, IOLN_PTR, &ptr_rd, &ptr_wr,\r | |
84 | 1, IVCL (PTR), VEC_PTR, { NULL }\r | |
85 | };\r | |
86 | \r | |
87 | UNIT ptr_unit = {\r | |
88 | UDATA (&ptr_svc, UNIT_SEQ+UNIT_ATTABLE+UNIT_ROABLE, 0),\r | |
89 | SERIAL_IN_WAIT\r | |
90 | };\r | |
91 | \r | |
92 | REG ptr_reg[] = {\r | |
93 | { GRDATA (BUF, ptr_unit.buf, DEV_RDX, 8, 0) },\r | |
94 | { GRDATA (CSR, ptr_csr, DEV_RDX, 16, 0) },\r | |
95 | { FLDATA (INT, int_req, INT_V_PTR) },\r | |
96 | { FLDATA (ERR, ptr_csr, CSR_V_ERR) },\r | |
97 | { FLDATA (BUSY, ptr_csr, CSR_V_BUSY) },\r | |
98 | { FLDATA (DONE, ptr_csr, CSR_V_DONE) },\r | |
99 | { FLDATA (IE, ptr_csr, CSR_V_IE) },\r | |
100 | { DRDATA (POS, ptr_unit.pos, T_ADDR_W), PV_LEFT },\r | |
101 | { DRDATA (TIME, ptr_unit.wait, 24), PV_LEFT },\r | |
102 | { FLDATA (STOP_IOE, ptr_stopioe, 0) },\r | |
103 | { FLDATA (DEVDIS, ptr_dev.flags, DEV_V_DIS), REG_HRO },\r | |
104 | { NULL }\r | |
105 | };\r | |
106 | \r | |
107 | MTAB ptr_mod[] = {\r | |
108 | { MTAB_XTD|MTAB_VDV, 0, "ADDRESS", NULL,\r | |
109 | NULL, &show_addr, NULL },\r | |
110 | { MTAB_XTD|MTAB_VDV, 0, "VECTOR", NULL,\r | |
111 | NULL, &show_vec, NULL },\r | |
112 | { 0 }\r | |
113 | };\r | |
114 | \r | |
115 | DEVICE ptr_dev = {\r | |
116 | "PTR", &ptr_unit, ptr_reg, ptr_mod,\r | |
117 | 1, 10, 31, 1, DEV_RDX, 8,\r | |
118 | NULL, NULL, &ptr_reset,\r | |
119 | NULL, &ptr_attach, &ptr_detach,\r | |
120 | &ptr_dib, DEV_DISABLE | PT_DIS | DEV_UBUS | DEV_QBUS\r | |
121 | };\r | |
122 | \r | |
123 | /* PTP data structures\r | |
124 | \r | |
125 | ptp_dev PTP device descriptor\r | |
126 | ptp_unit PTP unit descriptor\r | |
127 | ptp_reg PTP register list\r | |
128 | */\r | |
129 | \r | |
130 | DIB ptp_dib = {\r | |
131 | IOBA_PTP, IOLN_PTP, &ptp_rd, &ptp_wr,\r | |
132 | 1, IVCL (PTP), VEC_PTP, { NULL }\r | |
133 | };\r | |
134 | \r | |
135 | UNIT ptp_unit = {\r | |
136 | UDATA (&ptp_svc, UNIT_SEQ+UNIT_ATTABLE, 0), SERIAL_OUT_WAIT\r | |
137 | };\r | |
138 | \r | |
139 | REG ptp_reg[] = {\r | |
140 | { GRDATA (BUF, ptp_unit.buf, DEV_RDX, 8, 0) },\r | |
141 | { GRDATA (CSR, ptp_csr, DEV_RDX, 16, 0) },\r | |
142 | { FLDATA (INT, int_req, INT_V_PTP) },\r | |
143 | { FLDATA (ERR, ptp_csr, CSR_V_ERR) },\r | |
144 | { FLDATA (DONE, ptp_csr, CSR_V_DONE) },\r | |
145 | { FLDATA (IE, ptp_csr, CSR_V_IE) },\r | |
146 | { DRDATA (POS, ptp_unit.pos, T_ADDR_W), PV_LEFT },\r | |
147 | { DRDATA (TIME, ptp_unit.wait, 24), PV_LEFT },\r | |
148 | { FLDATA (STOP_IOE, ptp_stopioe, 0) },\r | |
149 | { NULL }\r | |
150 | };\r | |
151 | \r | |
152 | MTAB ptp_mod[] = {\r | |
153 | { MTAB_XTD|MTAB_VDV, 0, "ADDRESS", NULL,\r | |
154 | NULL, &show_addr, NULL },\r | |
155 | { MTAB_XTD|MTAB_VDV, 0, "VECTOR", NULL,\r | |
156 | NULL, &show_vec, NULL },\r | |
157 | { 0 }\r | |
158 | };\r | |
159 | \r | |
160 | DEVICE ptp_dev = {\r | |
161 | "PTP", &ptp_unit, ptp_reg, ptp_mod,\r | |
162 | 1, 10, 31, 1, DEV_RDX, 8,\r | |
163 | NULL, NULL, &ptp_reset,\r | |
164 | NULL, &ptp_attach, &ptp_detach,\r | |
165 | &ptp_dib, DEV_DISABLE | PT_DIS | DEV_UBUS | DEV_QBUS\r | |
166 | };\r | |
167 | \r | |
168 | /* Paper tape reader I/O address routines */\r | |
169 | \r | |
170 | t_stat ptr_rd (int32 *data, int32 PA, int32 access)\r | |
171 | {\r | |
172 | switch ((PA >> 1) & 01) { /* decode PA<1> */\r | |
173 | \r | |
174 | case 0: /* ptr csr */\r | |
175 | *data = ptr_csr & PTRCSR_IMP;\r | |
176 | return SCPE_OK;\r | |
177 | \r | |
178 | case 1: /* ptr buf */\r | |
179 | ptr_csr = ptr_csr & ~CSR_DONE;\r | |
180 | CLR_INT (PTR);\r | |
181 | *data = ptr_unit.buf & 0377;\r | |
182 | return SCPE_OK;\r | |
183 | }\r | |
184 | \r | |
185 | return SCPE_NXM; /* can't get here */\r | |
186 | }\r | |
187 | \r | |
188 | t_stat ptr_wr (int32 data, int32 PA, int32 access)\r | |
189 | {\r | |
190 | switch ((PA >> 1) & 01) { /* decode PA<1> */\r | |
191 | \r | |
192 | case 0: /* ptr csr */\r | |
193 | if (PA & 1) return SCPE_OK;\r | |
194 | if ((data & CSR_IE) == 0) CLR_INT (PTR);\r | |
195 | else if (((ptr_csr & CSR_IE) == 0) && (ptr_csr & (CSR_ERR | CSR_DONE)))\r | |
196 | SET_INT (PTR);\r | |
197 | if (data & CSR_GO) {\r | |
198 | ptr_csr = (ptr_csr & ~CSR_DONE) | CSR_BUSY;\r | |
199 | CLR_INT (PTR);\r | |
200 | if (ptr_unit.flags & UNIT_ATT) /* data to read? */\r | |
201 | sim_activate (&ptr_unit, ptr_unit.wait); \r | |
202 | else sim_activate (&ptr_unit, 0); /* error if not */\r | |
203 | }\r | |
204 | ptr_csr = (ptr_csr & ~PTRCSR_RW) | (data & PTRCSR_RW);\r | |
205 | return SCPE_OK;\r | |
206 | \r | |
207 | case 1: /* ptr buf */\r | |
208 | return SCPE_OK;\r | |
209 | } /* end switch PA */\r | |
210 | \r | |
211 | return SCPE_NXM; /* can't get here */\r | |
212 | }\r | |
213 | \r | |
214 | /* Paper tape reader service */\r | |
215 | \r | |
216 | t_stat ptr_svc (UNIT *uptr)\r | |
217 | {\r | |
218 | int32 temp;\r | |
219 | \r | |
220 | ptr_csr = (ptr_csr | CSR_ERR) & ~CSR_BUSY;\r | |
221 | if (ptr_csr & CSR_IE) SET_INT (PTR);\r | |
222 | if ((ptr_unit.flags & UNIT_ATT) == 0)\r | |
223 | return IORETURN (ptr_stopioe, SCPE_UNATT);\r | |
224 | if ((temp = getc (ptr_unit.fileref)) == EOF) {\r | |
225 | if (feof (ptr_unit.fileref)) {\r | |
226 | if (ptr_stopioe) printf ("PTR end of file\n");\r | |
227 | else return SCPE_OK;\r | |
228 | }\r | |
229 | else perror ("PTR I/O error");\r | |
230 | clearerr (ptr_unit.fileref);\r | |
231 | return SCPE_IOERR;\r | |
232 | }\r | |
233 | ptr_csr = (ptr_csr | CSR_DONE) & ~CSR_ERR;\r | |
234 | ptr_unit.buf = temp & 0377;\r | |
235 | ptr_unit.pos = ptr_unit.pos + 1;\r | |
236 | return SCPE_OK;\r | |
237 | }\r | |
238 | \r | |
239 | /* Paper tape reader support routines */\r | |
240 | \r | |
241 | t_stat ptr_reset (DEVICE *dptr)\r | |
242 | {\r | |
243 | ptr_unit.buf = 0;\r | |
244 | ptr_csr = 0;\r | |
245 | if ((ptr_unit.flags & UNIT_ATT) == 0) ptr_csr = ptr_csr | CSR_ERR;\r | |
246 | CLR_INT (PTR);\r | |
247 | sim_cancel (&ptr_unit);\r | |
248 | return SCPE_OK;\r | |
249 | }\r | |
250 | \r | |
251 | t_stat ptr_attach (UNIT *uptr, char *cptr)\r | |
252 | {\r | |
253 | t_stat reason;\r | |
254 | \r | |
255 | reason = attach_unit (uptr, cptr);\r | |
256 | if ((ptr_unit.flags & UNIT_ATT) == 0) ptr_csr = ptr_csr | CSR_ERR;\r | |
257 | else ptr_csr = ptr_csr & ~CSR_ERR;\r | |
258 | return reason;\r | |
259 | }\r | |
260 | \r | |
261 | t_stat ptr_detach (UNIT *uptr)\r | |
262 | {\r | |
263 | ptr_csr = ptr_csr | CSR_ERR;\r | |
264 | return detach_unit (uptr);\r | |
265 | }\r | |
266 | \r | |
267 | /* Paper tape punch I/O address routines */\r | |
268 | \r | |
269 | t_stat ptp_rd (int32 *data, int32 PA, int32 access)\r | |
270 | {\r | |
271 | switch ((PA >> 1) & 01) { /* decode PA<1> */\r | |
272 | \r | |
273 | case 0: /* ptp csr */\r | |
274 | *data = ptp_csr & PTPCSR_IMP;\r | |
275 | return SCPE_OK;\r | |
276 | \r | |
277 | case 1: /* ptp buf */\r | |
278 | *data = ptp_unit.buf;\r | |
279 | return SCPE_OK;\r | |
280 | }\r | |
281 | \r | |
282 | return SCPE_NXM; /* can't get here */\r | |
283 | }\r | |
284 | \r | |
285 | t_stat ptp_wr (int32 data, int32 PA, int32 access)\r | |
286 | {\r | |
287 | switch ((PA >> 1) & 01) { /* decode PA<1> */\r | |
288 | \r | |
289 | case 0: /* ptp csr */\r | |
290 | if (PA & 1) return SCPE_OK;\r | |
291 | if ((data & CSR_IE) == 0) CLR_INT (PTP);\r | |
292 | else if (((ptp_csr & CSR_IE) == 0) && (ptp_csr & (CSR_ERR | CSR_DONE)))\r | |
293 | SET_INT (PTP);\r | |
294 | ptp_csr = (ptp_csr & ~PTPCSR_RW) | (data & PTPCSR_RW);\r | |
295 | return SCPE_OK;\r | |
296 | \r | |
297 | case 1: /* ptp buf */\r | |
298 | if ((PA & 1) == 0) ptp_unit.buf = data & 0377;\r | |
299 | ptp_csr = ptp_csr & ~CSR_DONE;\r | |
300 | CLR_INT (PTP);\r | |
301 | if (ptp_unit.flags & UNIT_ATT) /* file to write? */\r | |
302 | sim_activate (&ptp_unit, ptp_unit.wait);\r | |
303 | else sim_activate (&ptp_unit, 0); /* error if not */\r | |
304 | return SCPE_OK;\r | |
305 | } /* end switch PA */\r | |
306 | \r | |
307 | return SCPE_NXM; /* can't get here */\r | |
308 | }\r | |
309 | \r | |
310 | /* Paper tape punch service */\r | |
311 | \r | |
312 | t_stat ptp_svc (UNIT *uptr)\r | |
313 | {\r | |
314 | ptp_csr = ptp_csr | CSR_ERR | CSR_DONE;\r | |
315 | if (ptp_csr & CSR_IE) SET_INT (PTP);\r | |
316 | if ((ptp_unit.flags & UNIT_ATT) == 0)\r | |
317 | return IORETURN (ptp_stopioe, SCPE_UNATT);\r | |
318 | if (putc (ptp_unit.buf, ptp_unit.fileref) == EOF) {\r | |
319 | perror ("PTP I/O error");\r | |
320 | clearerr (ptp_unit.fileref);\r | |
321 | return SCPE_IOERR;\r | |
322 | }\r | |
323 | ptp_csr = ptp_csr & ~CSR_ERR;\r | |
324 | ptp_unit.pos = ptp_unit.pos + 1;\r | |
325 | return SCPE_OK;\r | |
326 | }\r | |
327 | \r | |
328 | /* Paper tape punch support routines */\r | |
329 | \r | |
330 | t_stat ptp_reset (DEVICE *dptr)\r | |
331 | {\r | |
332 | ptp_unit.buf = 0;\r | |
333 | ptp_csr = CSR_DONE;\r | |
334 | if ((ptp_unit.flags & UNIT_ATT) == 0) ptp_csr = ptp_csr | CSR_ERR;\r | |
335 | CLR_INT (PTP);\r | |
336 | sim_cancel (&ptp_unit); /* deactivate unit */\r | |
337 | return SCPE_OK;\r | |
338 | }\r | |
339 | \r | |
340 | t_stat ptp_attach (UNIT *uptr, char *cptr)\r | |
341 | {\r | |
342 | t_stat reason;\r | |
343 | \r | |
344 | reason = attach_unit (uptr, cptr);\r | |
345 | if ((ptp_unit.flags & UNIT_ATT) == 0) ptp_csr = ptp_csr | CSR_ERR;\r | |
346 | else ptp_csr = ptp_csr & ~CSR_ERR;\r | |
347 | return reason;\r | |
348 | }\r | |
349 | \r | |
350 | t_stat ptp_detach (UNIT *uptr)\r | |
351 | {\r | |
352 | ptp_csr = ptp_csr | CSR_ERR;\r | |
353 | return detach_unit (uptr);\r | |
354 | }\r |