1 /* nova_pt.c: NOVA paper tape read/punch simulator
3 Copyright (c) 1993-2008, Robert M. Supnik
5 Permission is hereby granted, free of charge, to any person obtaining a
6 copy of this software and associated documentation files (the "Software"),
7 to deal in the Software without restriction, including without limitation
8 the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 and/or sell copies of the Software, and to permit persons to whom the
10 Software is furnished to do so, subject to the following conditions:
12 The above copyright notice and this permission notice shall be included in
13 all copies or substantial portions of the Software.
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 Except as contained in this notice, the name of Robert M Supnik shall not be
23 used in advertising or otherwise to promote the sale, use or other dealings
24 in this Software without prior written authorization from Robert M Supnik.
29 04-Jul-07 BKR added PTR and PTP device DISABLE capability,
30 added 7B/8B support PTR and PTP (default is 8B),
31 DEV_SET/CLR macros now used,
32 PTR and PTP can now be DISABLED
33 25-Apr-03 RMS Revised for extended file support
34 03-Oct-02 RMS Added DIBs
35 30-May-02 RMS Widened POS to 32b
36 29-Nov-01 RMS Added read only unit support
40 - data masked to 7- or 8- bits, based on 7B or 8B, default is 8-bits
41 - register TIME is the delay between character read or write operations
42 - register POS show the number of characters read from or sent to the PTR or PTP
43 - register STOP_IOE determines return value issued if output to unattached PTR or PTP is attempted
46 #include "nova_defs.h"
48 extern int32 int_req
, dev_busy
, dev_done
, dev_disable
;
51 extern t_stat
cpu_boot(int32 unitno
, DEVICE
* dptr
) ;
54 int32 ptr_stopioe
= 0, ptp_stopioe
= 0; /* stop on error */
56 int32
ptr (int32 pulse
, int32 code
, int32 AC
);
57 int32
ptp (int32 pulse
, int32 code
, int32 AC
);
58 t_stat
ptr_svc (UNIT
*uptr
);
59 t_stat
ptp_svc (UNIT
*uptr
);
60 t_stat
ptr_reset (DEVICE
*dptr
);
61 t_stat
ptp_reset (DEVICE
*dptr
);
62 t_stat
ptr_boot (int32 unitno
, DEVICE
*dptr
);
65 /* 7 or 8 bit data mask support for either device */
67 #define UNIT_V_8B (UNIT_V_UF + 0) /* 8b output */
68 #define UNIT_8B (1 << UNIT_V_8B)
71 /* PTR data structures
73 ptr_dev PTR device descriptor
74 ptr_unit PTR unit descriptor
75 ptr_reg PTR register list
78 DIB ptr_dib
= { DEV_PTR
, INT_PTR
, PI_PTR
, &ptr
};
80 UNIT ptr_unit
= { /* 2007-May-30, bkr */
81 UDATA (&ptr_svc
, UNIT_SEQ
+UNIT_ATTABLE
+UNIT_ROABLE
+UNIT_8B
, 0),
86 { ORDATA (BUF
, ptr_unit
.buf
, 8) },
87 { FLDATA (BUSY
, dev_busy
, INT_V_PTR
) },
88 { FLDATA (DONE
, dev_done
, INT_V_PTR
) },
89 { FLDATA (DISABLE
, dev_disable
, INT_V_PTR
) },
90 { FLDATA (INT
, int_req
, INT_V_PTR
) },
91 { DRDATA (POS
, ptr_unit
.pos
, T_ADDR_W
), PV_LEFT
},
92 { DRDATA (TIME
, ptr_unit
.wait
, 24), PV_LEFT
},
93 { FLDATA (STOP_IOE
, ptr_stopioe
, 0) },
97 MTAB ptr_mod
[] = /* 2007-May-30, bkr */
99 { UNIT_8B
, 0, "7b", "7B", NULL
},
100 { UNIT_8B
, UNIT_8B
, "8b", "8B", NULL
},
101 { 0, 0, NULL
, NULL
, NULL
}
105 "PTR", &ptr_unit
, ptr_reg
, ptr_mod
/* 2007-May-30, bkr */,
107 NULL
, NULL
, &ptr_reset
,
108 &ptr_boot
, NULL
, NULL
,
109 &ptr_dib
, DEV_DISABLE
/* 2007-May-30, bkr */
112 /* PTP data structures
114 ptp_dev PTP device descriptor
115 ptp_unit PTP unit descriptor
116 ptp_reg PTP register list
119 DIB ptp_dib
= { DEV_PTP
, INT_PTP
, PI_PTP
, &ptp
};
123 UDATA (&ptp_svc
, UNIT_SEQ
+UNIT_ATTABLE
+UNIT_8B
, 0), SERIAL_OUT_WAIT
127 { ORDATA (BUF
, ptp_unit
.buf
, 8) },
128 { FLDATA (BUSY
, dev_busy
, INT_V_PTP
) },
129 { FLDATA (DONE
, dev_done
, INT_V_PTP
) },
130 { FLDATA (DISABLE
, dev_disable
, INT_V_PTP
) },
131 { FLDATA (INT
, int_req
, INT_V_PTP
) },
132 { DRDATA (POS
, ptp_unit
.pos
, T_ADDR_W
), PV_LEFT
},
133 { DRDATA (TIME
, ptp_unit
.wait
, 24), PV_LEFT
},
134 { FLDATA (STOP_IOE
, ptp_stopioe
, 0) },
140 { UNIT_8B
, 0, "7b", "7B", NULL
},
141 { UNIT_8B
, UNIT_8B
, "8b", "8B", NULL
},
142 { 0, 0, NULL
, NULL
, NULL
}
147 "PTP", &ptp_unit
, ptp_reg
, ptp_mod
/* 2007-May-30, bkr */,
149 NULL
, NULL
, &ptp_reset
,
151 &ptp_dib
, DEV_DISABLE
/* 2007-May-30, bkr */
155 /* Paper tape reader: IOT routine */
157 int32
ptr (int32 pulse
, int32 code
, int32 AC
)
161 iodata
= (code
== ioDIA
)?
165 { /* decode IR<8:9> */
166 case iopS
: /* start */
167 DEV_SET_BUSY( INT_PTR
) ;
168 DEV_CLR_DONE( INT_PTR
) ;
170 sim_activate (&ptr_unit
, ptr_unit
.wait
); /* activate unit */
173 case iopC
: /* clear */
174 DEV_CLR_BUSY( INT_PTR
) ;
175 DEV_CLR_DONE( INT_PTR
) ;
177 sim_cancel (&ptr_unit
); /* deactivate unit */
187 t_stat
ptr_svc (UNIT
*uptr
)
191 if ((ptr_unit
.flags
& UNIT_ATT
) == 0) /* attached? */
192 return IORETURN (ptr_stopioe
, SCPE_UNATT
);
193 if ((temp
= getc (ptr_unit
.fileref
)) == EOF
) { /* end of file? */
194 if (feof (ptr_unit
.fileref
)) {
195 if (ptr_stopioe
) printf ("PTR end of file\n");
198 else perror ("PTR I/O error");
199 clearerr (ptr_unit
.fileref
);
203 DEV_CLR_BUSY( INT_PTR
) ;
204 DEV_SET_DONE( INT_PTR
) ;
206 ptr_unit
.buf
= temp
& ((ptr_unit
.flags
& UNIT_8B
)? 0377: 0177);
214 t_stat
ptr_reset (DEVICE
*dptr
)
216 ptr_unit
.buf
= 0; /* <not DG compatible> */
217 DEV_CLR_BUSY( INT_PTR
) ;
218 DEV_CLR_DONE( INT_PTR
) ;
220 sim_cancel (&ptr_unit
); /* deactivate unit */
227 t_stat
ptr_boot (int32 unitno
, DEVICE
*dptr
)
230 /* set position to 0? */
231 cpu_boot( unitno
, dptr
) ;
232 SR
= /* low-speed: no high-order bit set */ DEV_PTR
;
234 } /* end of 'ptr_boot' */
240 /* Paper tape punch: IOT routine */
242 int32
ptp (int32 pulse
, int32 code
, int32 AC
)
245 ptp_unit
.buf
= AC
& 0377;
248 { /* decode IR<8:9> */
249 case iopS
: /* start */
250 DEV_SET_BUSY( INT_PTP
) ;
251 DEV_CLR_DONE( INT_PTP
) ;
253 sim_activate (&ptp_unit
, ptp_unit
.wait
); /* activate unit */
256 case iopC
: /* clear */
257 DEV_CLR_BUSY( INT_PTP
) ;
258 DEV_CLR_DONE( INT_PTP
) ;
260 sim_cancel (&ptp_unit
); /* deactivate unit */
270 t_stat
ptp_svc (UNIT
*uptr
)
272 DEV_CLR_BUSY( INT_PTP
) ;
273 DEV_SET_DONE( INT_PTP
) ;
275 if ((ptp_unit
.flags
& UNIT_ATT
) == 0) /* attached? */
276 return IORETURN (ptp_stopioe
, SCPE_UNATT
);
277 if (putc ((ptp_unit
.buf
& ((ptp_unit
.flags
& UNIT_8B
)? 0377: 0177)), ptp_unit
.fileref
) == EOF
) {
278 perror ("PTP I/O error");
279 clearerr (ptp_unit
.fileref
);
289 t_stat
ptp_reset (DEVICE
*dptr
)
291 ptp_unit
.buf
= 0; /* <not DG compatible> */
292 DEV_CLR_BUSY( INT_PTP
) ;
293 DEV_CLR_DONE( INT_PTP
) ;
295 sim_cancel (&ptp_unit
); /* deactivate unit */