Commit | Line | Data |
---|---|---|
81e70d48 PH |
1 | /LP11 HANDLER\r |
2 | \r | |
3 | LPVERSION="B&77\r | |
4 | \r | |
5 | *0\r | |
6 | \r | |
7 | -1\r | |
8 | DEVICE LP11;DEVICE LP;1040;LPT&177+4000;ZBLOCK 2\r | |
9 | \r | |
10 | /LP HANDLER FOR RT-11 LINE PRINTER.\r | |
11 | /The PDP-8 is connected to a RT-11 job via a seriell line.\r | |
12 | /This handler simply starts the RT-11 program RECVLP on SY:\r | |
13 | /which transfers all incomming characters to LP:.\r | |
14 | \r | |
15 | \r | |
16 | / IOTs for communication interface:\r | |
17 | DEVCOD= 31\r | |
18 | \r | |
19 | VRSF= DEVCOD^10+6001\r | |
20 | VRRB= DEVCOD^10+6006\r | |
21 | VSF= DEVCOD^10+6011\r | |
22 | VLS= DEVCOD^10+6016\r | |
23 | \r | |
24 | FIXTAB\r | |
25 | \r | |
26 | \r | |
27 | / special characters:\r | |
28 | CTRLC= 3\r | |
29 | TAB= 11\r | |
30 | LF= 12\r | |
31 | CR= 15\r | |
32 | CTRLN= 16\r | |
33 | CTRLZ= 32\r | |
34 | \r | |
35 | \r | |
36 | *200\r | |
37 | \r | |
38 | PLINK, 0000\r | |
39 | CLA STL RAR / handler actually starts here\r | |
40 | TAD I LPT / R/W BIT TO LINK L\r | |
41 | AND LP7700 / I\r | |
42 | CMA /TREAT 0 PG CNT AS 0 WD CNT N\r | |
43 | DCA LPTWC /SAVE -(DBLWD COUNT+1) K\r | |
44 | RDF /\r | |
45 | TAD LPTCIF / M\r | |
46 | DCA LPTXIT /SAVE CIF CDF RETURN FIELD U\r | |
47 | TAD I LPT / S\r | |
48 | AND LPT70 / T\r | |
49 | TAD LPCDF0 /\r | |
50 | DCA LPTCDF / N\r | |
51 | ISZ LPT /POINT TO BUFFER O\r | |
52 | TAD I LPT /GET BUFFER ADDRESS T\r | |
53 | DCA LPTCA /SAVE BUFFER PTR\r | |
54 | ISZ LPT /PT TO BLOCK # C\r | |
55 | TAD I LPT /GET IT H\r | |
56 | ISZ LPT /POINT TO ERROR RETURN G\r | |
57 | LPTCDF, HLT / !\r | |
58 | SNL\r | |
59 | JMP LPTERR /CAN'T READ FROM LPT\r | |
60 | SZA CLA\r | |
61 | JMP LPT1\r | |
62 | \r | |
63 | \r | |
64 | / Initialization - start RECVLP on '11\r | |
65 | \r | |
66 | VLS /initialize\r | |
67 | VRRB / communication interface\r | |
68 | CLA\r | |
69 | RDF\r | |
70 | TAD LPCDF0\r | |
71 | DCA RESFLD\r | |
72 | LPCDF0, CDF 0\r | |
73 | JMS TRATXT\r | |
74 | "R\r | |
75 | 40\r | |
76 | "R\r | |
77 | "E\r | |
78 | "C\r | |
79 | "V\r | |
80 | "L\r | |
81 | "P\r | |
82 | CR\r | |
83 | 00\r | |
84 | RESFLD, HLT\r | |
85 | JMP LPT1\r | |
86 | \r | |
87 | \f/UNPACKING LOOP - USES A SHIFT REGISTER METHOD TO GET THE\r | |
88 | /THIRD CHARACTER IN EACH DOUBLEWORD.\r | |
89 | \r | |
90 | LPTLP, STL /GUARD BIT OF SHIFT REGISTER\r | |
91 | LPROTL, RTL\r | |
92 | RTL\r | |
93 | SPA /DO WE HAVE 8 BITS SHIFTED IN?\r | |
94 | JMP LPTELP\r | |
95 | DCA LPTCDF /SAVE SHIFT REGISTER\r | |
96 | TAD I LPTCA\r | |
97 | JMS I PLINK /PRINT A CHAR\r | |
98 | SZA\r | |
99 | JMP ERR\r | |
100 | TAD I LPTCA\r | |
101 | ISZ LPTCA /BUMP INPUT POINTER\r | |
102 | LP7400, 7400 /PROTECT ISZ\r | |
103 | AND LP7400\r | |
104 | CLL RAL\r | |
105 | TAD LPTCDF /SHIFT HIGH 4 BITS INTO\r | |
106 | JMP LPROTL /SHIFT REGISTER\r | |
107 | \r | |
108 | LPTELP, JMS I PLINK /PRINT 3RD CHAR OF DOUBLEWORD\r | |
109 | SZA\r | |
110 | JMP ERR\r | |
111 | LPT1, ISZ LPTWC\r | |
112 | JMP LPTLP /GET 3 MORE CHARS\r | |
113 | LPTCTZ, ISZ LPT /BUMP TO NORMAL RETURN\r | |
114 | LPTXIT, HLT /RESTORE FIELDS\r | |
115 | JMP I LPT /EXIT\r | |
116 | \r | |
117 | LPTERR, STL CLA RAR /PUT 4000 IN AC\r | |
118 | JMP LPTXIT /AND TAKE ERROR RETURN\r | |
119 | \r | |
120 | LPTWC, 0\r | |
121 | LPTCA, 0\r | |
122 | \r | |
123 | \r | |
124 | TRATXT, 0\r | |
125 | TAD I TRATXT /get character\r | |
126 | ISZ TRATXT /point to next\r | |
127 | SNA /character zero?\r | |
128 | JMP I TRATXT /yes - return\r | |
129 | JMS I PLINK /no - transfer it\r | |
130 | SNA\r | |
131 | JMP TRATXT+1\r | |
132 | \r | |
133 | \r | |
134 | ERR, CLA CLL SNL\r | |
135 | JMP LPTCTZ\r | |
136 | TAD PLINK\r | |
137 | TAD OFFSET\r | |
138 | DCA PLINK\r | |
139 | CLA IAC STL RAL /AC=CTRL/C\r | |
140 | JMS I PLINK / send CTRL/C to abort job on '11\r | |
141 | LP7700, CLA SMA /never skips\r | |
142 | JMP LPTERR\r | |
143 | \r | |
144 | \r | |
145 | LPT70, 70\r | |
146 | LPTCIF, CDF CIF 0\r | |
147 | OFFSET, VTYPE-LPTPCH\r | |
148 | \r | |
149 | *376\r | |
150 | LPT, LPVERSION /NORMAL ENTRY POINT\r | |
151 | JMS PLINK\r | |
152 | IFNZRO LPT-376 <ENTERR.QQQQ>\r | |
153 | PAGE\r | |
154 | \f\r | |
155 | /CHAR PRINT ROUTINE\r | |
156 | \r | |
157 | LPTPCH, 0\r | |
158 | IAC\r | |
159 | AND (177 /7 bit\r | |
160 | SNA\r | |
161 | JMP I LPTPCH /don't transfer RUBOUTs\r | |
162 | TAD (-1 /restore character\r | |
163 | DCA CHAR /save it\r | |
164 | TAD CHAR\r | |
165 | AND (7770\r | |
166 | SNA CLA\r | |
167 | JMP I LPTPCH /Null - CTRL/G\r | |
168 | TAD CHAR\r | |
169 | TAD (-CTRLZ\r | |
170 | SNA\r | |
171 | JMP EOF\r | |
172 | SMA\r | |
173 | JMP NOCTRL\r | |
174 | TAD (CTRLZ-CTRLN\r | |
175 | SMA CLA\r | |
176 | JMP I LPTPCH\r | |
177 | \r | |
178 | NOCTRL, ISZ COUNT2\r | |
179 | JMP OUTB\r | |
180 | CLA IAC\r | |
181 | JMS VTYPE\r | |
182 | JMS VREAD\r | |
183 | JMS VREAD\r | |
184 | CLA\r | |
185 | TAD (CR\r | |
186 | JMS VTYPE\r | |
187 | JMS VREAD\r | |
188 | JMS VREAD\r | |
189 | OUTB, CLA\r | |
190 | TAD CHAR\r | |
191 | JMS VTYPE /transfer it\r | |
192 | TAD (-TAB\r | |
193 | TAD CHAR\r | |
194 | SZA CLA\r | |
195 | JMP OUTA\r | |
196 | TAD (40\r | |
197 | DCA CHAR\r | |
198 | OUTA, JMS VREAD /read the echo\r | |
199 | CIA\r | |
200 | TAD CHAR /is it what we sent?\r | |
201 | SZA CLA /yes\r | |
202 | JMP LPERR /no - transfer error\r | |
203 | \r | |
204 | /Test for End Of Line\r | |
205 | TAD (-CR\r | |
206 | TAD CHAR\r | |
207 | SZA CLA\r | |
208 | JMP I LPTPCH\r | |
209 | TAD (-113\r | |
210 | DCA COUNT2\r | |
211 | JMS VREAD /wait for the LF\r | |
212 | CLA\r | |
213 | JMP I LPTPCH\r | |
214 | \r | |
215 | \r | |
216 | EOF, TAD (CTRLZ\r | |
217 | JMS VTYPE\r | |
218 | JMS VREAD\r | |
219 | JMS VREAD\r | |
220 | JMS VREAD\r | |
221 | JMS VREAD\r | |
222 | JMS VREAD\r | |
223 | CLA IAC CLL\r | |
224 | JMP I LPTPCH\r | |
225 | LPERR, IAC STL\r | |
226 | JMP I LPTPCH\r | |
227 | \r | |
228 | \r | |
229 | \r | |
230 | COUNT2, -113\r | |
231 | CHAR, 0\r | |
232 | \r | |
233 | \r | |
234 | /This routine reads one character from the serial line. The parity\r | |
235 | /bit is stripped off. It also checks for CTRL/C from\r | |
236 | /the terminal.\r | |
237 | \r | |
238 | VREAD, 0000\r | |
239 | CLA\r | |
240 | VR1, JMS CINTER /abort if CTRL/C\r | |
241 | VRSF\r | |
242 | JMP VR1\r | |
243 | VRRB /get the character\r | |
244 | AND (177\r | |
245 | JMP I VREAD /return\r | |
246 | \r | |
247 | \r | |
248 | VTYPE, 0000\r | |
249 | VWTF, JMS CINTER /abort if CTRL/C typed\r | |
250 | VSF\r | |
251 | JMP VWTF\r | |
252 | VLS\r | |
253 | CLA\r | |
254 | JMP I VTYPE /return\r | |
255 | \r | |
256 | CINTER, 0000\r | |
257 | KSF /is there a character?\r | |
258 | JMP I CINTER /no - return\r | |
259 | DCA AC /yes - save Accu\r | |
260 | KRB /read character\r | |
261 | AND (177 /no parity\r | |
262 | TAD (-CTRLC /is it CTRL/C?\r | |
263 | SZA CLA /skip if it is\r | |
264 | JMP NOCC /no - return\r | |
265 | CLA IAC STL RAL /send CTRL/C\r | |
266 | JMS VTYPE / to host - this aborts host job\r | |
267 | CDF CIF 0 /exit\r | |
268 | JMP I (7600 / to OS/8\r | |
269 | \r | |
270 | NOCC, TAD AC /restore Accu\r | |
271 | JMP I CINTER /return\r | |
272 | \r | |
273 | AC, 0\r | |
274 | \r | |
275 | \r | |
276 | $\r | |
277 | \f\1a\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 |