Commit | Line | Data |
---|---|---|
81e70d48 PH |
1 | / \ ePDPPLT.RA\ e\r |
2 | /\r | |
3 | / PART ONE OF DEC'S XYPLOT DEC-S8-LPLTA-A-LA JULY 1973 M. HURLEY\r | |
4 | / INCLUDED IS THE LATEST UPDATE F4 4.AAAA FROM LIBRARY FORLIB.RL NOV. 77\r | |
5 | / COPIED: J.J. ANDRES 1.NOV. 1980\r | |
6 | /\r | |
7 | / PLOTTER ROUTINES FOR OS8 FORTRAN 4 FOR LAB 8/E ONLY!\r | |
8 | / VER 1.0 1. NOV. 1980 H.A.\r | |
9 | / VER 2.0 12. NOV. 1980 H.A.\r | |
10 | / VER 2.1 18. NOV. 1981 H.A.\r | |
11 | / VER 2.2 4. AUG. 1982 H.A.\r | |
12 | /\r | |
13 | / UPDATES:\r | |
14 | / 1. PLEXIT DISABLED THE PLOTTER INTERRUPTS AT ALL AND PLOTS DID\r | |
15 | / NOT SWITCH THEM ON A SECOND TIME.\r | |
16 | / 2. X-Y PLOTTER CANNOT BE DRIVEN TO THE ORIGIN (0,0) BY PLOTS.\r | |
17 | / * #XNTST IS CALLED FROM PLOTS EACH TIME PLOTS ITSELF IS CALLED.\r | |
18 | / * NOW #XNTST TEST AND SETS THE ONCE FLAG.\r | |
19 | / * #XNTST PUSHES THE PLOTTER 4095 TIMES INTO THE LOWER LEFT CORNER.\r | |
20 | / 1-NOV-1980 H.A.\r | |
21 | / 3. #XMSMBP = ADDR SYMBTB\r | |
22 | / #XSMBP = ADDR SYMCNT\r | |
23 | / THESE TWO VALUES ARE NOW INSERTED VIA A CALL TO SYMBOL.\r | |
24 | / SYMBOL CALLS #XMBTB TO SWAP IN THE SYMBOL TABLE OVERLAY.\r | |
25 | / 12-NOV-1980 H.A.\r | |
26 | / 4. THE AMOUNT OF EXTERNAL REF TO XYPLOT IS REDUCED\r | |
27 | /\r | |
28 | \f/\r | |
29 | / THE PDP8 CODE LOCATED IN FIELD 1\r | |
30 | /\r | |
31 | /\r | |
32 | / INTO THESE WORDS SYMBOL INSERTS THE ADR. OF THE SYMBOL TABLE AND LENGTH\r | |
33 | / THIS MUST BE DONE SINCE THE SYMBOL TABLE #XMBTB MAY BE LOCATED INTO\r | |
34 | / AN OVERLAY AND THEREFORE THE ADDR DIRECTIVE WILL PRODUCE WRONG CODE.\r | |
35 | / THE LOADER INSERTS THE ADR. OF THE OVERLAY LOADER BUT NOT THE DESIRED\r | |
36 | / ONE.\r | |
37 | /\r | |
38 | ENTRY #XMCNT\r | |
39 | ENTRY #XSMBP\r | |
40 | / \r | |
41 | / EXTERNAL REFERENCED FROM XYPLOT ONLY\r | |
42 | /\r | |
43 | / ENTRIES USED BY XYPLOT:\r | |
44 | ENTRY #XETXR\r | |
45 | ENTRY #XETUP\r | |
46 | ENTRY #XDPXR\r | |
47 | ENTRY #XATIO\r | |
48 | ENTRY #XNPLT\r | |
49 | ENTRY #XCHTP\r | |
50 | ENTRY #XCHCK\r | |
51 | ENTRY #XNTST\r | |
52 | ENTRY #XDNCK\r | |
53 | ENTRY #XORGX\r | |
54 | /\r | |
55 | / ENTRIES USED BY SYMBOL\r | |
56 | /\r | |
57 | ENTRY #XNDLF\r | |
58 | ENTRY #XNDRT\r | |
59 | ENTRY #XLEFT\r | |
60 | ENTRY #XLTCD\r | |
61 | ENTRY #XPSIN\r | |
62 | ENTRY #XPSNM\r | |
63 | ENTRY #XPNOP\r | |
64 | ENTRY #XRGHT\r | |
65 | ENTRY #XTXAD\r | |
66 | /\r | |
67 | PLCE= 06500 / CLEAR INTERRUPT ENABLE\r | |
68 | PLSF= 06501 / SKIP ON PLOTTER FLAG SET\r | |
69 | PLCF= 06502 / CLEAR PLOTTER FLAG\r | |
70 | PLLR= 06504 / LOAD PLOTTER DIRECTION REGISTER\r | |
71 | PLSE= 06507 / SET INTERRUPT ENABLE\r | |
72 | /\r | |
73 | /\r | |
74 | FIELD1 PDPPLT\r | |
75 | / ALL THESE ROUTINES USES XRS TO GET ARGS FROM FPP CODE\r | |
76 | EXTERN ONQI\r | |
77 | EXTERN #DISMS\r | |
78 | /ASSUMES USER ADDED 6502(CLEAR FLAG) TO FRTS CLEAR QUEUE\r | |
79 | #XNTST, ORG .+1 / INIT PTRS + ADD JOB TO INTERRUPT QUEUE\r | |
80 | CLA CMA / SET UP POINTERS\r | |
81 | DCA% PBFCNT+1 / COUNTER FOR LOCN OF NEXT CHARACTER TO PLOT\r | |
82 | TAD UBUFL / COMPL. LENGTH OF BUFFER --> AC\r | |
83 | DCA% PMBFLG+1 / RESET BUFFER POINTERS\r | |
84 | TAD PUBFMN+1\r | |
85 | DCA% OCHAR+1\r | |
86 | TAD PUBFMN+1\r | |
87 | DCA% ICHAR+1\r | |
88 | TAD DISMS+1\r | |
89 | DCA% PDISMS+1 / FOR HANG\r | |
90 | ISZ ONCE / DO NOT CALL PLOTS MORE THAN 4095 TIMES!\r | |
91 | JMP .+5\r | |
92 | JMS% VONQI+1 / ADD PLOTTER INTO THE INTERRUPT QUEUE ONLY ONCE\r | |
93 | PLSF / CODE TO DETECT IF PLOTTER INTERRUPTED\r | |
94 | ADDR INTPLT / ADR. OF INTERRUPT SERVICE ROUTINE\r | |
95 | CLA\r | |
96 | DCA PREP / SET UP COUNTER TO RESET PEN TO ORIGIN 0,0\r | |
97 | TAD PENUP / LIFT PEN AND THEN\r | |
98 | JMS PLOTIT\r | |
99 | CLA\r | |
100 | TAD DECRXY / GO 4096 STEPS TO THE LEFT CORNER DOWN\r | |
101 | JMS REPIT\r | |
102 | PLCF / CLEAR FLAG FROM THE LAST STEP\r | |
103 | ION PLSE / ENABLE PLOTTER INTERRUPTS\r | |
104 | CIF CDF\r | |
105 | JMP% #XNTST\r | |
106 | /\r | |
107 | / THIS ROUTINE RESETS X-Y PLOTTER TO 0,0\r | |
108 | PENUP, 2\r | |
109 | DECRXY, 44\r | |
110 | /\r | |
111 | REPIT, ORG .+1\r | |
112 | JMS PLOTIT\r | |
113 | ISZ PREP / REPEAT 4096 TIMES\r | |
114 | JMP .-2\r | |
115 | JMP% REPIT\r | |
116 | PLOTIT, ORG .+1\r | |
117 | IOF\r | |
118 | PLCF PLLR\r | |
119 | PLSF\r | |
120 | JMP .-1\r | |
121 | ION\r | |
122 | JMP% PLOTIT\r | |
123 | /\r | |
124 | ONCE, 7777 / TO ADD PLSF INTO INTERRUPT QUEUE ONLY ONCE\r | |
125 | PREP,\r | |
126 | VONQI, ADDR ONQI\r | |
127 | /THIS ROUTINE CALLED ONCE FOR EACH CALL TO XYPLOT\r | |
128 | /AND DOES INITAL PEN UP OR DOWN\r | |
129 | #XETUP, 0\r | |
130 | TAD #XETXR / GET PEN STATE\r | |
131 | AND A3\r | |
132 | CLL RAR / LOOK AT 3 BITS\r | |
133 | SZA / SKIP IF 0\r | |
134 | SNL CLA\r | |
135 | IAC / 3=UP, 0-2=DOWN\r | |
136 | CLL\r | |
137 | JMS% QPLDBL+1\r | |
138 | CDF CIF\r | |
139 | JMP% #XETUP\r | |
140 | QPLDBL, ADDR PLDBL\r | |
141 | A3, 3\r | |
142 | #XETXR,\r | |
143 | OCHAR, ADDR POCHAR+1\r | |
144 | PBFCNT, ADDR BUFCNT\r | |
145 | #XCHCK,\r | |
146 | ICHAR, ADDR PICHAR+1\r | |
147 | PMBFLG, ADDR MBUFLG\r | |
148 | PUBFMN, ADDR USBFMN\r | |
149 | DISMS, ADDR #DISMS\r | |
150 | PDISMS, ADDR DISPTR\r | |
151 | /\r | |
152 | / FPP 12 VARIABLES SET BY XYPLOT WICH MAY NOT BE LOADED INTO AN OVERLAY\r | |
153 | /\r | |
154 | #XORGX, ORG .+3 / LAST ABSOLUTE ORIGIN LOCATION OF PEN IN MOTOR STEPS\r | |
155 | #XORGY, ORG .+3 / LAST ABSOLUTE ORIGIN LOCATION OF PEN IN MOTOR STEPS Y DIRECTION\r | |
156 | #XABSX, ORG .+3 / ABSOLUTE LOCATION OF PEN IN MOTOR STEPS X DIRECTION (REAL)\r | |
157 | #XABSY, ORG .+3 / ABSOLUTE LOCATION OF PEN IN MOTOR STEPS Y DIRECTION\r | |
158 | #XOLDP, ORG .+3 / VALUE OF PEN AT LAST XYPLOT\r | |
159 | #XXOLD, ORG .+3 / OLD X PT WITH EFFECT OF FACTOR\r | |
160 | #XYOLD, ORG .+3 / OLD Y PT WITH EFFECT OF FACTOR\r | |
161 | #XPENC, ORG .+3 / OLD PEN STATUS (SYMBOL & NUMBER)\r | |
162 | #XINCX, ORG .+3 / INCREMENT SIZE DEPENDENT OF EACH PLOTTER X DIRECTION\r | |
163 | #XINCY, ORG .+3 / INCREMENT SIZE DEPENDENT OF EACH PLOTTER Y DIRECTION\r | |
164 | #XFCTX, ORG .+3 / X - FACTOR\r | |
165 | #XFCTY, ORG .+3 / Y - FACTOR\r | |
166 | BUFFL= 421\r | |
167 | UBUFL, -BUFFL / LENGTH OF BUFFER\r | |
168 | USBFMN, ZBLOCK BUFFL / PLOTTING BUFFER\r | |
169 | USBFMX, 0\r | |
170 | \f ORG #XNTST+600\r | |
171 | / THESE ROUTINES GET THE PLOTTING CODES WITHIN A LETTER\r | |
172 | / PASS THEM AS X,Y PAIRS FOR PLOT ROUTINE\r | |
173 | #XLEFT, 0\r | |
174 | JMS GETXYS / GET A #XLEFT HAND X,Y PAIR\r | |
175 | RTR\r | |
176 | RTR\r | |
177 | RTR\r | |
178 | JMS PASSXY\r | |
179 | CDF CIF\r | |
180 | JMP% #XLEFT\r | |
181 | P7, 7\r | |
182 | PASSXY, 0\r | |
183 | DCA LETCD2 / SAVE X,Y PAIR\r | |
184 | TAD LETCD2\r | |
185 | CLL RTR\r | |
186 | RAR / GET IN LO THREE BITS\r | |
187 | AND P7\r | |
188 | DCA LETCD1 / PASS X VALUE\r | |
189 | TAD LETCD2 / NOW FOR THE Y PART\r | |
190 | AND P7\r | |
191 | DCA LETCD2 / PASS THE Y VALUE\r | |
192 | JMP% PASSXY\r | |
193 | #XRGHT, 0 / GET A #XRGHT HAND X,Y PAIR\r | |
194 | JMS GETXYS\r | |
195 | JMS PASSXY\r | |
196 | CDF CIF\r | |
197 | JMP% #XRGHT\r | |
198 | #XLTCD, 0\r | |
199 | LETCD1, 0\r | |
200 | LETCD2, 0\r | |
201 | \f/ THIS ROUTINE GETS X,Y PAIRS FROM THE PACKED SEQ FOR EACH LETTER\r | |
202 | GETXYS, 0\r | |
203 | TAD #XLTCD\r | |
204 | CLL\r | |
205 | TAD LOCNPT / START OF LETTER CODE\r | |
206 | DCA LETCD2 / UPDATE PTR TO LETTER\r | |
207 | RAL / IF LINK SET, CROSSED FIELDS, SO UPDATE FIELD\r | |
208 | / POINTER\r | |
209 | TAD LOCNFL / FIELD PASSED FROM FINDIT ROUTINE\r | |
210 | CLL RTL\r | |
211 | RAL\r | |
212 | TAD CDFINS\r | |
213 | DCA NFLD\r | |
214 | NFLD, 0 / GET FIELD\r | |
215 | TAD% LETCD2 / GET PLOTTING CODES\r | |
216 | CDF 10\r | |
217 | JMP% GETXYS\r | |
218 | CDFINS, 6201\r | |
219 | LOCNFL, 0 / FIELD\r | |
220 | LOCNPT, 0\r | |
221 | \f/ HERES START OF THE TABLE FOR PDP-8 ES\r | |
222 | OCT8BL, 6503 / PEN UP\r | |
223 | 6505 / PEN DOWN\r | |
224 | / GEOM. OCTANT 1=CODED OCTANT 8, 2=7, 3=3, 4=4, 5=2, 6=1, 8=6\r | |
225 | 40 / PEN R\r | |
226 | 44 \r | |
227 | 4 / DRUM UP\r | |
228 | 44\r | |
229 | 20 / PEN L\r | |
230 | 24\r | |
231 | 4 / DRUM UP\r | |
232 | 24\r | |
233 | 40 / PEN R\r | |
234 | 50\r | |
235 | 10 / DRUM D\r | |
236 | 50\r | |
237 | 20 / PEN L\r | |
238 | 30\r | |
239 | 10 / DRUM D\r | |
240 | 30\r | |
241 | / THIS IS THE START OF THE PLOT VECTOR TABLE FOR PDP-12S\r | |
242 | OCT12, 6504 / PEN UP\r | |
243 | 6524 / DOWN\r | |
244 | 6511 / PEN #XRGHT\r | |
245 | 6513 \r | |
246 | 6522 / DRUM UP\r | |
247 | 6513\r | |
248 | 6521 / PEN #XLEFT\r | |
249 | 6523\r | |
250 | 6522 / DRUM UP\r | |
251 | 6523\r | |
252 | 6511 / PEN #XRGHT\r | |
253 | 6515\r | |
254 | 6514 / DRUM DOWN\r | |
255 | 6515\r | |
256 | 6521 / PEN #XLEFT\r | |
257 | -6514 / 2 WORD IOT\r | |
258 | 6514 / DRUM DOWN\r | |
259 | -6514\r | |
260 | \f/ FIGURE OUT IF A MAJOR MOVE OR MAJ+MINOR\r | |
261 | FIGURE, 0\r | |
262 | CLL\r | |
263 | TAD RATIO2\r | |
264 | TAD HOLD2\r | |
265 | DCA HOLD2 / ADD LO WORDS\r | |
266 | RAL / CARRY LINK\r | |
267 | TAD RATIO1\r | |
268 | TAD HOLD1 / ADD HIGH WORDS\r | |
269 | DCA HOLD1\r | |
270 | CLL\r | |
271 | TAD HOLD1\r | |
272 | RAL / G.T. 1?\r | |
273 | SNL\r | |
274 | JMP MAJONL / NO-MAJOR MOVE ONLY\r | |
275 | CLL RAR / PUT IT BACK-1\r | |
276 | DCA HOLD1\r | |
277 | IAC\r | |
278 | JMP% FIGURE / RETURN WITH AC=1\r | |
279 | MAJONL, CLA\r | |
280 | JMP% FIGURE / RETURN WITH ZERO AC\r | |
281 | #XATIO, 0 / #XATIO CALCULATED IN REALPT\r | |
282 | RATIO1, 0\r | |
283 | RATIO2, 0\r | |
284 | HOLD1, 0\r | |
285 | HOLD2, 0\r | |
286 | / INITIALIZE HOLD1+2 TO A ROUNDING FUDGE\r | |
287 | SPCAS, 0\r | |
288 | DCA HOLD1\r | |
289 | TAD RFUDGE\r | |
290 | DCA HOLD2\r | |
291 | JMP% SPCAS\r | |
292 | RFUDGE, 1000 / TAKES CARE OF TRUNCATION ERRORS\r | |
293 | \f ORG #XLEFT+200\r | |
294 | NXTLCN,\r | |
295 | PLETPS, ADDR LOCNPT / POINTS TO START OF CODE FOR PASSED LETTER\r | |
296 | COUNT, / COUNT OF STEPS INTO CHAR PLOTTING CODE TABLE\r | |
297 | PLCNM1, ADDR LOCNFL / USED TO PASS FIELD\r | |
298 | #XTXAD, 0\r | |
299 | 0\r | |
300 | 0 / ADDRESS OF PACKED 6 BIT LETTERS TO PRINT\r | |
301 | LETTER, 0\r | |
302 | #XSMBP, / HERE WE INSERT THE ADR. OF THE SYMBOL TABLE\r | |
303 | PSYMB, ORG .+2\r | |
304 | PP7, 7\r | |
305 | / THESE ROUTINES DETERMINE THE START OF PLOTTING CODES FOR A CHARACTER\r | |
306 | / PASSED AS A HOLERITH (6 BIT) FROM SYMBOL ROUTINE.\r | |
307 | / FIND LOCATION OF START OF PLOT VECTORS\r | |
308 | / FOR THE #XLEFT HALF OF 2 6 BIT CHARACTERS\r | |
309 | #XNDLF, 0\r | |
310 | TAD #XTXAD+1 / DO FIELD STUFF\r | |
311 | AND PP7\r | |
312 | CLL RTL\r | |
313 | RAL\r | |
314 | TAD CDF\r | |
315 | DCA DOCDF\r | |
316 | DOCDF, NOP\r | |
317 | TAD% #XTXAD+2 / GET TWO 6 BIT VALUES\r | |
318 | CDF 10\r | |
319 | DCA LETTER\r | |
320 | CLL\r | |
321 | TAD LETTER / MOVE #XLEFT CHARACTER\r | |
322 | RTR\r | |
323 | RTR\r | |
324 | RTR\r | |
325 | AND P77 / INTO THE #XRGHTMOST 6 BITS\r | |
326 | JMS FINDIT\r | |
327 | ISZ #XTXAD+2 / PREPARE FOR NEXT CHARACTER TO #XLEFT\r | |
328 | JMP FLDOK / IF SKIPS, THEN AT FIELD BOUNDARY\r | |
329 | ISZ #XTXAD+1 / SO UPDATE FIELD ALSO\r | |
330 | FLDOK, CDF CIF\r | |
331 | JMP% #XNDLF\r | |
332 | \fFINDIT, 0 / GET LOC OF LETTER IN SYMBOL TABLE\r | |
333 | SPA SNA / CHECK FOR ZERO\r | |
334 | TAD P40 / WHICH DEFAULTS TO SPACE\r | |
335 | CIA CLL / MAKE A COUNTER\r | |
336 | DCA #XTXAD\r | |
337 | DCA COUNT / ZERO TOTAL STEP COUNTER\r | |
338 | TAD PTRTBL+1\r | |
339 | DCA NXTLCN / POINTS TO LOCN IN POINTER TABLE\r | |
340 | / THIS TABLE HAS STEPS FOR EACH LETTER, SO\r | |
341 | / COUNT TOTAL STEPS TO DESIRED LETTER\r | |
342 | TAD PTRTBL\r | |
343 | CLL RTL\r | |
344 | RAL\r | |
345 | TAD CDF\r | |
346 | DCA SCANTB\r | |
347 | SCANTB, NOP\r | |
348 | TAD% NXTLCN / GET NEXT STEP COUNT\r | |
349 | CDF 10\r | |
350 | TAD COUNT / AND ADD IT TO TOTAL STEP COUNT\r | |
351 | DCA COUNT\r | |
352 | ISZ NXTLCN / BUMP POINTER\r | |
353 | SKP / SKIP IF DIDN'T CROSS BOUNDARIES\r | |
354 | TAD P10 / IT DID, UPDATE FIELD WORD\r | |
355 | TAD SCANTB\r | |
356 | DCA SCANTB\r | |
357 | ISZ #XTXAD\r | |
358 | JMP SCANTB / NOT THERE YET\r | |
359 | CLL\r | |
360 | TAD COUNT / ADD COUNT TO\r | |
361 | TAD PSYMB+1 / START OF CODE TABLE\r | |
362 | DCA% PLETPS+1 / NOW IT'S CORRECT POINTER\r | |
363 | RAL / IF LINK SET, WE CROSSED FIELD BOUNDARIES\r | |
364 | TAD PSYMB / GET FIELD OF TABLE\r | |
365 | DCA% PLCNM1+1 / PASS IT\r | |
366 | JMP% FINDIT / GOT THE LETTER\r | |
367 | P40, 40\r | |
368 | P77, 77\r | |
369 | #XMCNT, / HERE WE INSERT THE POINTER INTO THE SYMBOL TABLE\r | |
370 | PTRTBL, ORG .+2\r | |
371 | CDF, 6201\r | |
372 | P10, 10\r | |
373 | \f#XNDRT, 0\r | |
374 | TAD LETTER / #XLEFT FROM LAST #XLEFT LETTER\r | |
375 | AND P77\r | |
376 | JMS FINDIT\r | |
377 | CDF CIF\r | |
378 | JMP% #XNDRT\r | |
379 | / ROUTINE TO HANDLE NUMBERS FROM FORTRAN SUBR. NUMBER\r | |
380 | / NOT CALLED BY USER DIRECTLY\r | |
381 | #XPSNM, 0\r | |
382 | TAD #XTXAD\r | |
383 | IAC\r | |
384 | SNA\r | |
385 | JMP USZRO / IF EQ -1, USE 0\r | |
386 | TAD T2\r | |
387 | SPA / L.T. -3 BAD\r | |
388 | JMP USZRO / SO USE ZERO\r | |
389 | TAD M15\r | |
390 | SPA CLA / G.T. 9 BAD TOO\r | |
391 | JMP USEIT / IT'S -3,-2,0-9\r | |
392 | USZRO, CLA\r | |
393 | INDEX, TAD P60 / INDEX INTO TABLE\r | |
394 | JMS FINDIT\r | |
395 | CDF CIF\r | |
396 | JMP% #XPSNM\r | |
397 | USEIT, TAD #XTXAD\r | |
398 | JMP INDEX\r | |
399 | / PLOT AN INTEGER EQUIV OR CENTERED (100-117 DEC =144-165 OCT)\r | |
400 | #XPSIN, 0\r | |
401 | TAD #XTXAD\r | |
402 | SPA SNA / .L.T. ZERO NO GOOD\r | |
403 | JMP USSPAC\r | |
404 | TAD M166 / G.T. 117 DEC. BAD\r | |
405 | SMA\r | |
406 | JMP USSPAC\r | |
407 | TAD A22\r | |
408 | SMA\r | |
409 | JMP OKVAL / ITS A CENTERED 100-121 (0144-0165)\r | |
410 | TAD P44\r | |
411 | SMA CLA\r | |
412 | JMP USSPAC / 0100-0143 ILLEGAL\r | |
413 | TAD #XTXAD\r | |
414 | ACHAR, JMS FINDIT\r | |
415 | CDF CIF\r | |
416 | JMP% #XPSIN\r | |
417 | USSPAC, CLA\r | |
418 | TAD P40 / DEFAULT TO SPACE\r | |
419 | JMP ACHAR\r | |
420 | OKVAL, TAD P100 / PASS CENTERED AS 100-121\r | |
421 | JMP ACHAR\r | |
422 | P100, 100\r | |
423 | A22, 22\r | |
424 | P44, 44\r | |
425 | M166, -166\r | |
426 | P60, 60\r | |
427 | M15, -15\r | |
428 | T2, 2\r | |
429 | \f ORG NXTLCN+200\r | |
430 | EXTERN #HANG\r | |
431 | #XNPLT, 0 / NON INTERRUPT TIME PLOT ROUTINE\r | |
432 | TAD TOTSTP\r | |
433 | CMA\r | |
434 | DCA TOTSTP\r | |
435 | JMS% PSPCAS+1 / PREP FOR OCTANT CHECK\r | |
436 | MORE, ISZ TOTSTP\r | |
437 | JMP ANOTHR / DO ANOTHER STEP\r | |
438 | DONE, CDF CIF / ALL DONE WITH THIS VECTOR\r | |
439 | JMP% #XNPLT\r | |
440 | ANOTHR, JMS% PFIGUR+1 / TO FIGURE OUT IF MAJ OR DIAG\r | |
441 | / RETURNS ZERO IF MAJOR ONLY, 1 IF MAJ + MINOR\r | |
442 | TAD #XDPXR / OCTANT\r | |
443 | JMS PLDBL\r | |
444 | JMP MORE\r | |
445 | PLDBL, 0\r | |
446 | TAD POCTBL+1 / START OF VECTOR TABLE\r | |
447 | TAD #XCHTP / ADD 22 IF A PDP-12 OR NON 8-E\r | |
448 | DCA PLTVCT / SAVE POINTER TO PROPER PLOT VECTOR\r | |
449 | CIF 10\r | |
450 | TAD BUFCNT / GET NUM. CHARACTERS IN BUF -1\r | |
451 | TAD MBUFLG / AND MINUS LENGTH\r | |
452 | CLL\r | |
453 | SPA CLA\r | |
454 | JMP ISROOM / STILL ROOM IN BUFFER\r | |
455 | IOF / NO ROOM YET, GO TO HANG\r | |
456 | CIF 0\r | |
457 | JMS% PHANG+1\r | |
458 | DISPTR, 0\r | |
459 | ION / HANG LEAVES INTERRUPT OFF\r | |
460 | ISROOM, TAD% PLTVCT / NOW GET THE VECTOR\r | |
461 | DCA% PICHAR+1 / INTO BUFFER\r | |
462 | ISZ PICHAR+1 / UPDATE LOCN\r | |
463 | TAD PICHAR+1\r | |
464 | CIA\r | |
465 | TAD PBMX+1 / ARE WE OVERFLOWING MAX LOCN OF BUFFER\r | |
466 | CLL\r | |
467 | SMA CLA / PAST END ?\r | |
468 | JMP LIMOK / NO\r | |
469 | TAD PBMN+1 / YES, RESET TO BOTTOM\r | |
470 | DCA PICHAR+1\r | |
471 | LIMOK, ISZ BUFCNT / UPDATE CHAR COUNT\r | |
472 | / IF EMPTY WAS -1, SO NOW 0\r | |
473 | JMP% PLDBL / WASNT EMPTY-CANT START TO PLOT\r | |
474 | JMP OUTSUB\r | |
475 | \f#XPNOP, 0\r | |
476 | TAD #XDPXR / USE AS INDEX INTO OPCODE TABLE\r | |
477 | JMS PLDBL\r | |
478 | CDF CIF\r | |
479 | JMP% #XPNOP\r | |
480 | #XDPXR, 0\r | |
481 | TOTSTP, 0\r | |
482 | PSPCAS, ADDR SPCAS\r | |
483 | POCHAR, ADDR USBFMN\r | |
484 | INTFLG, / HANG ALWAYS FIELD 0\r | |
485 | PHANG, ADDR #HANG\r | |
486 | PICHAR, ADDR USBFMN\r | |
487 | BUFCNT,\r | |
488 | POCTBL, ADDR OCT8BL\r | |
489 | MBUFLG,\r | |
490 | PBMN, ADDR USBFMN\r | |
491 | #XCHTP,\r | |
492 | PFIGUR, ADDR FIGURE\r | |
493 | PLTVCT,\r | |
494 | PBMX, ADDR USBFMX\r | |
495 | \fOUTSUB, CLA\r | |
496 | TAD% POCHAR+1 / GET NEXT LINE TO PLOT\r | |
497 | DCA QTEMP5 / SAVE ACTUAL VECTOR FOR A SECOND\r | |
498 | ISZ POCHAR+1\r | |
499 | TAD POCHAR+1\r | |
500 | CIA\r | |
501 | TAD PBMX+1 / CHECK THAT OUTPUT DOESNT OVERFLOW THE BUFFER\r | |
502 | CLL\r | |
503 | SMA CLA / WILL IT?\r | |
504 | JMP CLRFLG / NO\r | |
505 | TAD PBMN+1 / YES\r | |
506 | DCA POCHAR+1 / RESET IT\r | |
507 | CLRFLG, 6502\r | |
508 | TAD QTEMP5 / GET VARIABLE\r | |
509 | AND A7000 / DETERMINE TYPE OF PLOTTER\r | |
510 | SZA CLA\r | |
511 | JMP PENUD / A PEN OP (PDP-12 OR 8/E)\r | |
512 | TAD QTEMP5 / ITS AN 8E\r | |
513 | 6506 / SEND A CHARR\r | |
514 | CLA\r | |
515 | JMP OUTCHK / RETURN\r | |
516 | PENUD, TAD QTEMP5 / ITS A 12 OR NON-8/E PEN UP OR DOWN\r | |
517 | SMA CLA\r | |
518 | JMP TWOWD / IT'S A TWO WORD IOT\r | |
519 | QTEMP5, NOP / 1-WORDER SO DO IT NOW\r | |
520 | OUTCHK, TAD INTFLG\r | |
521 | SNA CLA\r | |
522 | JMP% PLDBL / DONE FOR NON-INTERRUPT\r | |
523 | DCA INTFLG / INT MODE, CLEAR FLAG\r | |
524 | CDF CIF\r | |
525 | JMP% XDISMS+1\r | |
526 | XDISMS, ADDR #DISMS\r | |
527 | A7000, 7000\r | |
528 | TWOWD, 6514 / DRUM DOWN\r | |
529 | 6521 / SECOND PART PEN #XLEFT\r | |
530 | JMP OUTCHK\r | |
531 | \fINTPLT, 0 / HERE ONLY IF FLAG SET\r | |
532 | CLA CMA\r | |
533 | TAD BUFCNT / DECREMENT BUFFER COUNTER\r | |
534 | SPA\r | |
535 | JMP EMPTY\r | |
536 | DCA BUFCNT\r | |
537 | ISZ INTFLG / SHOULD NEVER SKIP\r | |
538 | NOP\r | |
539 | JMP OUTSUB\r | |
540 | EMPTY, CLA CMA\r | |
541 | DCA BUFCNT / INITIALIZE BUFFER CNT-1\r | |
542 | 6502 / CLEAR\r | |
543 | JMP% INTPLT / EXIT IN FIELD 1\r | |
544 | / BE SHURE BUFFER EMPTY BEFORE EXITING\r | |
545 | #XDNCK, 0\r | |
546 | CLA\r | |
547 | JMS PLDBL / DO A FINAL PEN UP\r | |
548 | WAIT, TAD BUFCNT\r | |
549 | SMA CLA\r | |
550 | JMP WAIT / STILL MORE TO DO\r | |
551 | TAD #XCHTP\r | |
552 | SNA CLA\r | |
553 | 6500 / CLEAR INTERRUPT ENABLE FOR 8-ES \r | |
554 | CIF CDF / ALL EMPTY\r | |
555 | JMP% #XDNCK\r | |
556 | END\r | |
557 | \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\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\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\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 |