Commit | Line | Data |
---|---|---|
81e70d48 PH |
1 | / \ eXYPLOT.RA\r |
2 | /\r | |
3 | / PART TWO 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 | / PLOTS,XYPLOT,FACTOR,WHERE,SYMBOL,SYMB(FOR NUMBER ONLY)\r | |
7 | /\r | |
8 | /\r | |
9 | / PLOTTER ROUTINES FOR PDP 8\r | |
10 | /\r | |
11 | / VER 1.0 1.NOV. 1980 H.A.\r | |
12 | / VER 2.0 12.NOV 1980 H.A.\r | |
13 | / VER 2.1 20.NOV 1980 H.A. CORRECTS BUG IN SYMBOL CONCERNING #XFCTX,#XFCTY\r | |
14 | / VER 3.0 27.NOV 1980 H.A. INSERTS SYMBOL (999.,999.,....)\r | |
15 | / VER 3.1 27.NOV.1980 H.A. CORRECTS PEN UP/DOWN TIMING ERROR\r | |
16 | / VER 3.2 18.JAN.1981 H.A. CORRECTS WHERE AND OVERLAY PROBLEMS\r | |
17 | / VER 3.3 4.AUG.1982 H.A. REDUCES NUMBER OF EXTERNAL REFERENCES\r | |
18 | /\r | |
19 | / UPDATES:\r | |
20 | / 1. PLEXIT LOCKED OUT THE PLOTTER.\r | |
21 | / 2. PLOTS DIDN'T DROVE PLOTTER TO THE ORIGIN\r | |
22 | / * #XONCE IS REMOVED, SO #XNTST IS CALLED FROM PLOTS ALL TIMES\r | |
23 | / 1-NOV-80 H.A.\r | |
24 | / 3. FACTOR DID NOT WORK CORRECT ALL THE TIMES.\r | |
25 | / FACTOR(1),XYPLOT(1,1),FACTOR(2),XYPLOT(1,1) DID NOT WORK\r | |
26 | / 4. TRUNCATION ERROR IN XYPLOT CAUSED ROUNDING PROBLEMS:\r | |
27 | / XSTEPS=INT(INT(X/#XINCR)*FACTOR)\r | |
28 | / * FACTOR NOW WORKS CORRECT IN ANY CASE\r | |
29 | / * FACTOR NOW HAS AN OPTIONAL SECOND PARAMETER. IF BOTH PRESENT\r | |
30 | / * THEY SPECIFY THE X-FACTOR AND THE Y-FACTOR.\r | |
31 | / * A NEGATIVE FACTOR IS NO MORE VALID YET. (ERROR WALKBACK)\r | |
32 | / * ZERO FACTOR DISABLES PLOTTING.\r | |
33 | / * XYPLOT NOW COMPUTES XSTEPS=INT(X/#XINCR*FACTOR)\r | |
34 | / * WHERE HAS GOT AN OPTIONAL FOURTH PARAMETER FOR THE Y-FACTOR.\r | |
35 | / * IF X AND Y FACTOR DO NOT MATCH AND THERE ARE ONLY THREE PARAMETERS\r | |
36 | / * AN ERROR WALKBACK IS TAKEN.\r | |
37 | / 7-NOV-80 H.A.\r | |
38 | / 5. SYMBOL CALLS #XMBTB TO LOAD THE SYMBOL TABLE\r | |
39 | / 12-NOV-80 H.A.\r | |
40 | / 6. CALLING SYMBOL/NUMBER WITH X/Y EQUAL TO 999. WILL REPLACE THE\r | |
41 | / 999. WITH THE ACTUAL POSITION OF THE PEN. VERY USEFULL IF YOU\r | |
42 | / ARE EDITING AN OUTPUT LINE USEING SOME CALLS TO SYMBOL & NUMBER.\r | |
43 | / IF YOU CALL FACTOR PRIOR TO SYMBOL(999.,....) THEN THE POSITION\r | |
44 | / OF THE PEN IS NEVER CHANGED PRIOR PLOTTING THE SYMBOL. BUT THE\r | |
45 | / FACTOR IS USED WHEN PLOTTING THE SYMBOL.\r | |
46 | / 27-NOV-80 H.A.\r | |
47 | / 7. EACH TIME XYPLOT WAS CALLED IT ISSUED A PEN UP/DOWN COMMAND.\r | |
48 | / THIS CAUSED A STEP BY STEP MOVING OF THE PEN ALTHOUGH THE\r | |
49 | / DIRECTION WAS NOT CHANGED. INTERFACE PROBLEM.\r | |
50 | / NOW WE ISSUE THE PEN MOVE COMMAND ONLY WHEN WE WANT TO CHANGE\r | |
51 | / THE DIRECTION OF THE PEN. THIS SPEEDS UP THE PLOTTER!\r | |
52 | / * NOT VALID PEN VALUES (NOT -3 TO 3) CAUSE #ARGERR WITH X0 =1\r | |
53 | / 27-NOV-80 H.A. A HARD DAY'S NIGHT.... AND MIDNIGHT TOO!\r | |
54 | / 8. REMOVES BUG IN WHERE ROUTINE\r | |
55 | / 9. TOO LARGE DELTA X (DELETA Y) CAUSE #ARGER WITH X0=2 (3)\r | |
56 | / 18-JAN-81 H.A.\r | |
57 | /\r | |
58 | \f/\r | |
59 | / FPP CODE PART CONTAINING PLOTS,PLOT,PLEXIT,WHERE,FACTOR\r | |
60 | / THIS PROGRAM MAY BE PLACED INTO AN OVERLAY.\r | |
61 | / IT REFERENCES THE PROGRAM PDPPLT LOCATED IN FIELD 1.\r | |
62 | /\r | |
63 | SECT #XYPLT\r | |
64 | /\r | |
65 | / REFERENCES INTO FRTS (FIELD 0)\r | |
66 | /\r | |
67 | EXTERN #ARGER / WRONG NUMBER OF PARAMETERS\r | |
68 | EXTERN #REW\r | |
69 | EXTERN #WRITO\r | |
70 | EXTERN #RSVO\r | |
71 | EXTERN #RENDO\r | |
72 | /\r | |
73 | / REFERENCES INTO FIELD 1 (PDPPLT)\r | |
74 | /\r | |
75 | EXTERN #XETXR\r | |
76 | EXTERN #XETUP\r | |
77 | EXTERN #XDPXR\r | |
78 | EXTERN #XATIO\r | |
79 | EXTERN #XNPLT\r | |
80 | EXTERN #XCHTP\r | |
81 | EXTERN #XCHCK\r | |
82 | EXTERN #XNTST\r | |
83 | EXTERN #XDNCK\r | |
84 | EXTERN #XORGX / LAST ABSOLUTE ORIGIN IN PLOTTER STEPS X (REAL)\r | |
85 | #XORGY= #XORGX+3\r | |
86 | #XABSX= #XORGY+3 / ACTUAL ABSOLUTE X POSITION IN STEPS (REAL)\r | |
87 | #XABSY= #XABSX+3\r | |
88 | #XOLDP= #XABSY+3 / OLD PEN STATUS\r | |
89 | #XXOLD= #XOLDP+3 / OLD XPT WITH EFFECT OF FACTOR\r | |
90 | #XYOLD= #XXOLD+3 / OLD YPT WITH EFFECT OF FACTOR\r | |
91 | #XPENC= #XYOLD+3 / OLD PEN STATUS ( USED BY SYMBOL, NUMBER)\r | |
92 | #XINCX= #XPENC+3 / INCREMENT SIZE FOR X STEP MOTOR OF PLOTTER\r | |
93 | #XINCY= #XINCX+3 / INCREMENT SIZE FOR Y STEP MOTOR OF PLOTTER\r | |
94 | #XFCTX= #XINCY+3 / X - FACTOR\r | |
95 | #XFCTY= #XFCTX+3 / Y - FACTOR\r | |
96 | /\r | |
97 | / HERES THE INITIALIZATION ROUTINE \r | |
98 | / STANDARD CALLING SEQUENCE, SHARED BY ALL SUBROUTINES\r | |
99 | /\r | |
100 | XRPLOT, 0 / MULTI PURPOSE XRS\r | |
101 | X0= 0 / AT #ARGER X0 HOLDS THE XYPLOT ERROR NUMBER\r | |
102 | X1= 1\r | |
103 | XR1, 0\r | |
104 | XR2, 0\r | |
105 | XR3, 0\r | |
106 | XR4, 0\r | |
107 | XR5, 0\r | |
108 | XR6, 0 / NOT USED\r | |
109 | X7= 7\r | |
110 | XR7, 0 / NUMBER OF PARAMETERS AT SUBROUTINE CALL\r | |
111 | WBW, TEXT #XYPLOT# / WALK BACK WORD\r | |
112 | PLOTXR, SETX XRPLOT\r | |
113 | SETB BPPLOT\r | |
114 | BPPLOT, FNOP\r | |
115 | 0\r | |
116 | 0\r | |
117 | TERM2, F 0.\r | |
118 | YPT, F 0. / VALUE ACTUALLY PLOTTED WITH EFFECT OF FACTOR\r | |
119 | XPT, F 0. / X VALUE ACTUALLY PLOTTED WITH EFFECT OF FACTOR\r | |
120 | TERM1, F 0.\r | |
121 | ARG1, F 0.\r | |
122 | ARG2,\r | |
123 | YDIFF, F 0. / PEN VALUE\r | |
124 | ORG 10*3+BPPLOT\r | |
125 | FNOP\r | |
126 | JA PLOTXR\r | |
127 | ORG .+1 / TO MAKE A 3 WORD BASE ENTRY FOR PLTRTN\r | |
128 | PLTRTN, JA .\r | |
129 | MAJOR, F 0. / HORIZONTAL AXIS MOVE\r | |
130 | MINOR, F 0. / DIAGONAL AXIS MOVE\r | |
131 | XACT, F 0.\r | |
132 | YACT, F 0. / HOLDS X,Y VALUES TYPED IN\r | |
133 | XDIFF, F 0 / DELTA X\r | |
134 | P1, F 1.\r | |
135 | PF2, F 2.\r | |
136 | P3, F 3.\r | |
137 | P4, F 4.\r | |
138 | PF7, F 7.\r | |
139 | PT5, F .5\r | |
140 | PORS, F 0. / =1 IF ENTERED FROM SYMBOL ROUTINE\r | |
141 | XCHRPT, F 0. / X,Y VALUES FROM PDP TABLES\r | |
142 | YCHRPT, F 0.\r | |
143 | NUMENT, F 0. / INDICATES ENTRY FROM NUMBER SUBROUTINE\r | |
144 | COSANG, F 0.\r | |
145 | SINANG, F 0.\r | |
146 | DEGRAD, F 0.017453293 / RADIANS TO DEGREES\r | |
147 | F999, F 999.\r | |
148 | F100, F 100.\r | |
149 | XREAL, F 0. / FOR ORIGIN AND WHERE RTN\r | |
150 | YREAL, F 0.\r | |
151 | CENTSY, F 0. / CENTERED SYMBOL INDICATOR\r | |
152 | NUMSYM, F 0. / NO. OF CHARACTERS TO PLOT\r | |
153 | ANGADJ, F 0.\r | |
154 | P22, F 18. / 22 OCTAL=18 DECIMAL\r | |
155 | TWO, 0;2;0 / CONSTANT\r | |
156 | F4095, F 4095. / LARGEST NUMBER FITTING INTO 12 BITS PDP 8 WORD\r | |
157 | /\r | |
158 | / - - - - - - - - - - - - -\r | |
159 | \f 0\r | |
160 | SYMSTR, JA . / SYMBOL ENTRY\r | |
161 | JA SYMST / NEEDED TO PICK UP 2 WORD ADDRESSES\r | |
162 | 0\r | |
163 | BASE 0\r | |
164 | /\r | |
165 | / SET UP THE BASE PAGE AND INDEX REGISTERS FOR THE PLOT ROUTINES\r | |
166 | / PLOTS,XYPLOT,WHERE,FACTOR AND SYMBOL\r | |
167 | /\r | |
168 | /\r | |
169 | PLTSTR, JA . / SAVE TWO WORDS FOR RETURN\r | |
170 | STARTD\r | |
171 | FLDA 3*10 / SAVE CALLERS RETURN ARGUMENT LIST\r | |
172 | FSTA PLTRTN\r | |
173 | FLDA% 0 / COMPUTE THE NUMBER OF PARAMETERS\r | |
174 | FSUB 0\r | |
175 | FSUB# TWO\r | |
176 | SETX XRPLOT\r | |
177 | LDX 1,1 / DIVIDE BY TWO\r | |
178 | ALN 1\r | |
179 | FNEG / MAKE COUNTER \r | |
180 | ATX X7 / AND BUMP INTO X7 \r | |
181 | FLDA 0 / POINTER TO THE PARAMETER LIST --> FAC\r | |
182 | SETB BPPLOT\r | |
183 | BASE BPPLOT\r | |
184 | FSTA ARG1 / POINTER TO PARAMETER LIST --> ARG1\r | |
185 | JA PLTSTR / 1 --> X1, INDEX TO PARAMETER LIST\r | |
186 | \f/\r | |
187 | / XYPLOT SUBROUTINE\r | |
188 | / CALL XYPLOT (XPT,YPT,PENCMD)\r | |
189 | /\r | |
190 | / REAL XPT,YPT AND MUST BE POSSIBLE TO FIX INTO 24 BIT NUMBER\r | |
191 | / INTEGER PENCMD (-3,-2,2,3 AND NOTHING ELSE)\r | |
192 | /\r | |
193 | / ARGERR ERRORS:\r | |
194 | / 1 BAD PENCMD\r | |
195 | / 2 DELTA X EXCEEDS 4095\r | |
196 | / 3 DELTA Y EXCEEDS 4095\r | |
197 | / 4 XPT UNNORMALIZED OR TO LARGE ( FOR 24 BIT FRACTIONAL)\r | |
198 | / 5 YPT "" "" "\r | |
199 | /\r | |
200 | /\r | |
201 | ENTRY XYPLOT\r | |
202 | WB0, TEXT 'XYPLOT' / INSERT THE CORRECT WALK BACK WORD\r | |
203 | XYPLOT,\r | |
204 | FLDA# WB0 / INSERT THE CORRECT WALK BACK WORD\r | |
205 | FSTA WBW / IN FRONT OF THE BASE PAGE\r | |
206 | JSA PLTSTR / SET UP THE BASE PAGE AND X REGISTERS\r | |
207 | SYMENT, FLDA% ARG1,1\r | |
208 | FSTA XPT\r | |
209 | FLDA% ARG1,1+\r | |
210 | FSTA YPT\r | |
211 | FLDA% ARG1,1+\r | |
212 | FSTA YDIFF / VALUE OF PEN\r | |
213 | STARTF\r | |
214 | FLDA% XPT / X POINT\r | |
215 | FDIV #XINCX / ALL INTERNAL CALCULATIONS DONE IN TERMS OF\r | |
216 | / PLOTTING INTERVALS, HENCE INTEGERS SO\r | |
217 | FMUL #XFCTX\r | |
218 | / SAVE STEPS DONE\r | |
219 | FSTA XACT / TEMP SAVE OF FAC\r | |
220 | FADD #XORGX / REMEMBER THE X OFFSET\r | |
221 | FSTA #XABSX / ABSOLUTE NUMBER OF STEPS IN REAL\r | |
222 | FLDA XACT / RESTORE FAC\r | |
223 | /\r | |
224 | JAL XPTERR / IF IT IS IMPOSSIBLE TO FIX XPT THEN ERROR OFF\r | |
225 | JA XPTOK\r | |
226 | XPTERR, LDX 4,X0 / WITH #ARGER 4\r | |
227 | TRAP4 #ARGER\r | |
228 | XPTOK,\r | |
229 | JSA MAKINT / INTERGERIZE IT\r | |
230 | FSTA XACT / WITH FACTOR\r | |
231 | FSTA XPT / WITH EFFECT OF FACTOR\r | |
232 | FLDA% YPT\r | |
233 | FDIV #XINCY\r | |
234 | FMUL #XFCTY\r | |
235 | FSTA YACT\r | |
236 | FADD #XORGY / ADD THE ORIGIN Y\r | |
237 | FSTA #XABSY / HERE WE STORE THE ABSOLUTE NUMBER OF STEPS DONE\r | |
238 | FLDA YACT / RESTORE FAC\r | |
239 | /\r | |
240 | JAL YPTERR / IF IT IS IMPOSSIBLE TO FIX YPT THEN WE ERROR OFF\r | |
241 | JA YPTOK\r | |
242 | YPTERR, LDX 5,X0 / WITH #ARGERR 5\r | |
243 | TRAP4 #ARGER\r | |
244 | YPTOK,\r | |
245 | JSA MAKINT / INTERGERIZE IT\r | |
246 | FSTA YACT\r | |
247 | FSTA YPT / WITH EFFECT OF FACTOR\r | |
248 | FLDA% YDIFF / 2=DOWN, 3=UP, NEG=NEW ORG\r | |
249 | FSTA #XPENC\r | |
250 | JGE MORPEN\r | |
251 | FNEG\r | |
252 | MORPEN, JSA MAKINT\r | |
253 | SETX #XETXR\r | |
254 | ATX 0 / ABS VALUE PEN\r | |
255 | XTA 0 / FOR THE FPP SIMULATOR\r | |
256 | SETX XRPLOT\r | |
257 | FSTA YDIFF / SAVE NEW STATUS OF PEN \r | |
258 | FSUB P3 / PASS ONLY 0-3\r | |
259 | JLE ALEGAL / GOOD BOY\r | |
260 | LDX 1,0 / BAD PEN CMD CAUSES XYPLOT ERROR 1\r | |
261 | TRAP4 #ARGERR / FUCK OFF\r | |
262 | ALEGAL,\r | |
263 | FLDA YDIFF / RESTORE THE NEW VALUE OF PEN\r | |
264 | FSUB #XOLDP / COMPARE WITH THE OLD VALUE\r | |
265 | JEQ NOCHNG / IF THEY MATCH THEN GOTO NOCHANGE\r | |
266 | TRAP4 #XETUP / ELSE SET UP THE NEW PEN\r | |
267 | NOCHNG,\r | |
268 | FLDA YDIFF / SAVE THE NEW PEN STATUS FOR THE NEXT CALL\r | |
269 | FSTA #XOLDP\r | |
270 | JA REALPT\r | |
271 | /\r | |
272 | /\r | |
273 | MAKINT, JA . / FOR ALL THOSE INTEGERIZATIONS REQUIRED\r | |
274 | FADD PT5 / ROUND THE VALUE\r | |
275 | ALN 0 / GET RID OF FRACTIONAL PART\r | |
276 | FNORM / NORMALIZE IT FOR OTHER FPP OPE#XATIONS\r | |
277 | JA MAKINT\r | |
278 | \f/ HERES THE CALCULATING PART OF THE PLOT ROUTINES\r | |
279 | PRERL1, FCLA\r | |
280 | PREREL, JA . / RTN USED AS SUBROUTINE\r | |
281 | REALPT, FLDA XPT / AND JA'D TO\r | |
282 | FSUB #XXOLD / COMPARE NEW X AND OLD\r | |
283 | FSTA XDIFF\r | |
284 | JGE ABSDX\r | |
285 | FNEG\r | |
286 | ABSDX, FSTA TERM1 / ABS DELTA X\r | |
287 | /\r | |
288 | FSUB F4095 / IF THE DELTA X DOESN NOT FIT INTO\r | |
289 | JLE DXOK / A 12 BIT PDP 8 WORD THEN TAKE ERROR 2 \r | |
290 | LDX 2,0 / ELSE CONTINUE FI\r | |
291 | TRAP4 #ARGER / HOME TO CCL\r | |
292 | DXOK, /\r | |
293 | /\r | |
294 | FLDA YPT\r | |
295 | FSUB #XYOLD / SAME FOR Y PNTS\r | |
296 | FSTA YDIFF\r | |
297 | JLE DELXY\r | |
298 | FNEG\r | |
299 | DELXY, FADDM TERM1 / DX-DY\r | |
300 | /\r | |
301 | FNEG / ABS DELTA Y --> FAC\r | |
302 | FSUB F4095 / IF DELTA Y DOESN'T FIT INTO 12 BITS THEN \r | |
303 | JLE DYOK / WE ERROR OFF ELSE CONTINUE FI\r | |
304 | LDX 3,0 / THIS IS ERROR 3\r | |
305 | TRAP4 #ARGER\r | |
306 | DYOK,/\r | |
307 | TRAP3 #WRITO\r | |
308 | JA UNIX80\r | |
309 | JA FORM1\r | |
310 | FLDA #XOLDP / GET ACTUAL PEN STATUS\r | |
311 | FSUB P3\r | |
312 | JLT DP0\r | |
313 | FLDA# SDP / PEN 2 ( PEN UP)\r | |
314 | JA DP1\r | |
315 | SDP, TEXT 'P'\r | |
316 | SDK, TEXT 'K'\r | |
317 | DP0, \r | |
318 | FLDA# SDK\r | |
319 | DP1, TRAP3 #RSVO\r | |
320 | JA DP4711\r | |
321 | FLDA #XPENC\r | |
322 | TRAP3 #RSVO\r | |
323 | FLDA #XORGX\r | |
324 | TRAP3 #RSVO\r | |
325 | FLDA #XFCTX\r | |
326 | TRAP3 #RSVO\r | |
327 | FLDA #XINCX\r | |
328 | TRAP3 #RSVO\r | |
329 | FLDA XACT\r | |
330 | TRAP3 #RSVO\r | |
331 | FLDA #XORGY\r | |
332 | TRAP3 #RSVO\r | |
333 | FLDA #XFCTY\r | |
334 | TRAP3 #RSVO\r | |
335 | FLDA #XINCY\r | |
336 | TRAP3 #RSVO\r | |
337 | FLDA YACT\r | |
338 | TRAP3 #RSVO\r | |
339 | DP4711,/\r | |
340 | FLDA #XABSY / ABSOLUTE NUMBER OF STEPS\r | |
341 | TRAP3 #RSVO\r | |
342 | FLDA #XABSX\r | |
343 | FNEG\r | |
344 | TRAP3 #RSVO\r | |
345 | TRAP3 #RENDO\r | |
346 | JA NX1\r | |
347 | /FORM1, TEXT #(1X,A1,A6,2(I7,2F9.3,I8),2I6)#\r | |
348 | FORM1, TEXT #(1X,A1,2I6)#\r | |
349 | NX1,\r | |
350 | /\r | |
351 | FLDA TERM1 / DETERMINE OCTANT + MAJOR AXIS\r | |
352 | JGT XMAJ\r | |
353 | FLDA YDIFF / Y AXIS IS MAJOR\r | |
354 | FSTA MAJOR\r | |
355 | FLDA XDIFF\r | |
356 | FSTA MINOR\r | |
357 | JA KNOWOC\r | |
358 | XMAJ, FLDA XDIFF / X AXIS MAJOR\r | |
359 | FSTA MAJOR\r | |
360 | FLDA YDIFF\r | |
361 | FSTA MINOR\r | |
362 | KNOWOC, LDX 2,1 / 2*OCTANT VALUE COLLECTED IN XR1\r | |
363 | / USES A SPECIAL (NON SEQUENTIAL) ORDERING\r | |
364 | FLDA XDIFF\r | |
365 | JLE .+4\r | |
366 | ADDX 10,1\r | |
367 | FLDA YDIFF\r | |
368 | JLE .+4\r | |
369 | ADDX 4,1\r | |
370 | FLDA TERM1\r | |
371 | JLE .+4\r | |
372 | ADDX 2,1 / KEEP IT IN XR1\r | |
373 | LDX 0,2\r | |
374 | FLDA MAJOR / GET MAJOR MOVE\r | |
375 | JGT POSMAJ / NEED AS ABS. VALUE\r | |
376 | JEQ NOTHIN / IF NO MAJOR MOVES, THEN NO MOVES\r | |
377 | FNEG\r | |
378 | FSTA MAJOR / NO ABS. VALUE\r | |
379 | POSMAJ, JSA MAKINT\r | |
380 | SETX #XDPXR\r | |
381 | ATX 1 / PASS THIS TO PDP CODE\r | |
382 | SETX XRPLOT\r | |
383 | / USE 2 WORD #XATIO IN PDP CODE TO DET SEQ OF MOVES\r | |
384 | FLDA MINOR\r | |
385 | JGT POSMIN / ABS VALUE\r | |
386 | JEQ ZROCAS\r | |
387 | FNEG\r | |
388 | POSMIN, FDIV MAJOR / FORM #XATIO OF MINOR TO MAJOR MOVES\r | |
389 | ALN 2\r | |
390 | ZROCAS, FSTA #XATIO / DOWN TO PDP CODE\r | |
391 | XTA 1\r | |
392 | SETX #XDPXR / GET 2*OCTATNT\r | |
393 | ATX 0\r | |
394 | SETX XRPLOT\r | |
395 | / TRAP4 #XNPLT/ CXCX\r | |
396 | \fNOTHIN, FLDA PORS\r | |
397 | JEQ REGPLT / 0 MEANS WAS FROM XYPLOT\r | |
398 | JLT SYMSET / WAS A MOVE IN SYMBOL\r | |
399 | FCLA / IS FIRST MOVE IN SYMBOL (0 ORG)\r | |
400 | FSTA #XXOLD\r | |
401 | FSTA #XYOLD\r | |
402 | FSTA PORS\r | |
403 | JA SYMSTR\r | |
404 | REGPLT, FLDA #XPENC\r | |
405 | JLT ZEROLD / NEQ MEANS ZERO THE ORG\r | |
406 | / SET X AND Y FOR NEXT MOVE TO START AT END OF THIS MOVE\r | |
407 | FLDA XACT\r | |
408 | FSTA #XXOLD\r | |
409 | FLDA YACT\r | |
410 | FSTA #XYOLD\r | |
411 | JA PLTRTN\r | |
412 | SYMSET, FLDA XPT / CONT FROM CURRENT POINT\r | |
413 | FSTA #XXOLD\r | |
414 | FLDA YPT\r | |
415 | FSTA #XYOLD\r | |
416 | JA PRERL1\r | |
417 | /\r | |
418 | / NEGATIVE PEN STATUS, SO WE ZERO THE ORIGIN\r | |
419 | /\r | |
420 | ZEROLD,\r | |
421 | FLDA #XABSX / SAVE THE ACTUAL PEN POSITION (MOTOR STEPS)\r | |
422 | FSTA #XORGX \r | |
423 | FLDA #XABSY\r | |
424 | FSTA #XORGY\r | |
425 | FCLA\r | |
426 | FSTA #XXOLD\r | |
427 | FSTA #XYOLD\r | |
428 | JA PLTRTN\r | |
429 | ENTRY SYMSTR\r | |
430 | SYMST,\r | |
431 | FLDA P1 / ENTERED WITH 36 BIT MODE TURNED ON\r | |
432 | FSTA PORS / SET THE FROM SYMBOL FLAG\r | |
433 | STARTD / USED BY SYMBOL FOR ORIGIN PLOT\r | |
434 | FLDA SYMSTR / GET START OF ARG CHAIN\r | |
435 | FSTA ARG1\r | |
436 | LDX 1,1\r | |
437 | JA SYMENT\r | |
438 | \f ENTRY WHERE / WITHOUT EFFECT OF FACTOR\r | |
439 | WB1, TEXT 'WHERE ' / THE WALK BACK WORD\r | |
440 | WHERE,\r | |
441 | FLDA# WB1\r | |
442 | FSTA WBW\r | |
443 | JSA PLTSTR\r | |
444 | JXN WH0,7 / NO PARAMETERS AT ALL THEN \r | |
445 | TRAP4 #ARGER / ABORT THE USER PROGRAM\r | |
446 | / WARNING: WHERE RETURNS A WRONG RESULT IF YOU CALL FACTOR PRIOR \r | |
447 | / TO THE WHERE ROUTINE WITHOUT PLOTTING WITH XYPLOT.\r | |
448 | WH0,\r | |
449 | FLDA% ARG1,1\r | |
450 | FSTA TERM1 / ADDRESS OF X (FIRST PARAMETER)\r | |
451 | FLDA% ARG1,1+\r | |
452 | FSTA YDIFF / SAVE ADDRESS OF Y (SECOND PARAMETER)\r | |
453 | STARTF\r | |
454 | FLDA #XXOLD\r | |
455 | FMUL #XINCX\r | |
456 | FDIV #XFCTX / WHERE RETURNS X WITHOUT EFFECT OF FACTOR\r | |
457 | FSTA% TERM1\r | |
458 | JXN WH1,7+ / IF ONLY ONE PARAMETER, THEN ABORT USER\r | |
459 | TRAP4 #ARGER\r | |
460 | WH1,\r | |
461 | FLDA #XYOLD\r | |
462 | FMUL #XINCY\r | |
463 | FDIV #XFCTY / RETURNED WITHOUT EFFECT OF FACTOR\r | |
464 | FSTA% YDIFF / SEND BACK THE VALUES\r | |
465 | JXN WH2,7+ / IF ONLY TWO PARAMETERS, THEN ABORT USER\r | |
466 | TRAP4 #ARGER\r | |
467 | WH2,\r | |
468 | STARTD\r | |
469 | FLDA% ARG1,1+\r | |
470 | FSTA ARG2 / ADR. OF X -FACTOR (THIRD PARAMETER)\r | |
471 | FLDA% ARG1,1+\r | |
472 | FSTA ARG1 / ADR. OF Y -FACTOR (FOURTH PARAMETER) --> ARG1\r | |
473 | STARTF\r | |
474 | FLDA #XFCTX / IF THE X AND Y FACTOR MATCH THEN\r | |
475 | FSUB #XFCTY\r | |
476 | JNE WHXYF / WE NEED THREE PARAMETERS ONLY, ELSE WE GO WHXYF\r | |
477 | FLDA #XFCTX\r | |
478 | FSTA% ARG2\r | |
479 | JXN PLTRTN,X7+ / IF THERE ARE ONLY THREE PARAMETERS THEN RETURN\r | |
480 | FSTA% ARG1 / ELSE INSERT FACTOR INTO FOURTH PARAMETER AND\r | |
481 | JA PLTRTN / RETURN\r | |
482 | WHXYF, / WE REQUIRE X AND Y FACTOR PARAMETERS\r | |
483 | FLDA #XFCTX\r | |
484 | FSTA% ARG2 / INSERT THE X FACTOR INTO THE OUTPUT\r | |
485 | JXN WH3,X7+\r | |
486 | TRAP4 #ARGER / SORRY, BUT THERE ARE NOT ENOUGH ARGUMENTS\r | |
487 | WH3,\r | |
488 | FLDA #XFCTY\r | |
489 | FSTA% ARG1\r | |
490 | JA PLTRTN\r | |
491 | ENTRY FACTOR / RESET FACTOR VALUE\r | |
492 | WB2, TEXT 'FACTOR'\r | |
493 | FACTOR,\r | |
494 | FLDA# WB2\r | |
495 | FSTA WBW\r | |
496 | JSA PLTSTR\r | |
497 | JXN FA0,7 / IF THERE ARE NO PARAMETERS AT ALL THEN\r | |
498 | TRAP4 #ARGER / ABORT USER PROGRAM\r | |
499 | FA0,\r | |
500 | FLDA% ARG1,1\r | |
501 | FSTA ARG2\r | |
502 | STARTF\r | |
503 | FLDA% ARG2\r | |
504 | JGE FA1 / IF NEGATIVE FACTOR THEN \r | |
505 | TRAP4 #ARGER / ABORT USER PROGRAM ELSE\r | |
506 | FA1,\r | |
507 | FSTA #XFCTX / STORE X AND Y FACTOR\r | |
508 | FSTA #XFCTY / ONE PARAMETER MEANS X&Y GET THE SAME FACTOR\r | |
509 | JXN FA3,7+\r | |
510 | JA FACRTN\r | |
511 | FA3,\r | |
512 | STARTD / TWO PARAMETERS, GET THE Y FACTOR\r | |
513 | FLDA% ARG1,1+\r | |
514 | FSTA ARG2\r | |
515 | STARTF\r | |
516 | FLDA% ARG2\r | |
517 | JGE FA2 / IF NEGATIVE FACTOR THEN \r | |
518 | TRAP4 #ARGER / ABORT USER PROGRAM\r | |
519 | FA2,\r | |
520 | FSTA #XFCTY\r | |
521 | FACRTN,\r | |
522 | STARTF\r | |
523 | JA PLTRTN\r | |
524 | \f/ MUST DO A PLOTS AS FIRST ROUTINE IN ANY PLOTTING SEQUENCE\r | |
525 | / USER SPECIFIES INCREMENT AND MACHINE TYPE (0=8/E, 1=12,8/I,8/L)\r | |
526 | ENTRY PLOTS\r | |
527 | WB3, TEXT 'PLOTS '\r | |
528 | /\r | |
529 | / CONSTANTS USED IN PLOTS\r | |
530 | /\r | |
531 | INXYPL, F 0.0095 / INCREMENT SIZE XY PLOTTER\r | |
532 | INX80Y, F 0.02648 / INCREMENT SIZE X80-SP X DIRECTION (96 CHAR. LINE)\r | |
533 | INX80X, F 0.03968 / INCREMENT SIZE X80-SP Y DIRECTION (6 STEPS PER LINE)\r | |
534 | FORM2, TEXT "(' [STP 6'/' MC1'/' P 0 0')"\r | |
535 | FORM3, TEXT "(' STP 8]')"\r | |
536 | UNIX80, F 2.\r | |
537 | /\r | |
538 | /\r | |
539 | PLOTS, / CALL PLOTS (PLOTTER TYPE, MACHINE TYPE)\r | |
540 | /\r | |
541 | / INTEGER PLOTTER TYPE: 1 XY PLOTTER\r | |
542 | / 2 X80-SP PRINTER PLOTTER\r | |
543 | / 3 BOTH (DOESN'T WORK TODAY)\r | |
544 | / INTEGER MACHINE TYPE: 0 PDP 8/E\r | |
545 | / 1 OTHER PDP 8 OR 12\r | |
546 | /\r | |
547 | \r | |
548 | FLDA# WB3\r | |
549 | FSTA WBW\r | |
550 | JSA PLTSTR\r | |
551 | FLDA% ARG1,1\r | |
552 | FSTA XPT\r | |
553 | FLDA% ARG1,1+\r | |
554 | FSTA ARG1\r | |
555 | STARTF / THIS ROUTINE SETS UP A LOT OF CONSTANTS\r | |
556 | FLDA% XPT / LOAD FIRST ARGUMENT (PLOTTER TYPE ) --> FAC\r | |
557 | / JLE PLTSER / WRONG INPUT PARAMETER, ERROR OFF\r | |
558 | FSUB P1\r | |
559 | JGT PLS1\r | |
560 | FLDA INXYPL / XY PLOTTER INCREMENT\r | |
561 | FSTA #XINCX\r | |
562 | FSTA #XINCY\r | |
563 | JA MACHIN\r | |
564 | PLS1, FSUB P1\r | |
565 | / JGT PLS2 / BOTH PLOTTER TYPES\r | |
566 | FLDA INX80X\r | |
567 | FSTA #XINCX / X80 SP PRINTER PLOTTER\r | |
568 | FLDA INX80Y\r | |
569 | FSTA #XINCY\r | |
570 | TRAP3 #WRITO\r | |
571 | JA UNIX80\r | |
572 | JA FORM2 / ' [STP6'/' MC1'/' P 0 0'\r | |
573 | TRAP3 #RENDO\r | |
574 | MACHIN,\r | |
575 | FLDA% ARG1\r | |
576 | JEQ EIGHTE\r | |
577 | FLDA P22 / SET MATCHTP TO 22 IF NON-8/E\r | |
578 | EIGHTE, SETX #XCHTP\r | |
579 | ATX 0 / 0=8/E, 022=12,8/I,8/L\r | |
580 | XTA 0\r | |
581 | SETX #XCHCK / FOR INITIALISATION CHECK\r | |
582 | ATX 0\r | |
583 | SETX XRPLOT\r | |
584 | TRAP4 #XNTST\r | |
585 | FLDA P1\r | |
586 | FSTA #XFCTX / FACTOR=1 INITIALLY\r | |
587 | FSTA #XFCTY\r | |
588 | FCLA\r | |
589 | FSTA #XOLDP / AND REALLY MOVE IT!\r | |
590 | FSTA #XPENC / SO WILL DO FIRST PEN MOVEMENT\r | |
591 | FSTA #XXOLD\r | |
592 | FSTA #XYOLD\r | |
593 | FSTA #XORGX\r | |
594 | FSTA #XORGY\r | |
595 | FSTA PORS\r | |
596 | JA PLTRTN\r | |
597 | ENTRY PLEXIT / BE SHURE ALL DONE\r | |
598 | WB4, TEXT 'PLEXIT'\r | |
599 | PLEXIT,\r | |
600 | FLDA# WB4\r | |
601 | FSTA WBW\r | |
602 | JSA PLTSTR\r | |
603 | STARTF\r | |
604 | TRAP3 #WRITO\r | |
605 | JA UNIX80\r | |
606 | JA FORM3\r | |
607 | TRAP3 #RENDO\r | |
608 | TRAP3 #REW / OUTPUT REMAINDER OF BUFFER AND RESET OUTPUT (NOT GOOD FOR FILE STRUCTURED DEVICES!!!!!)\r | |
609 | / TRAP4 #XDNCK\r | |
610 | JA PLTRTN\r | |
611 | \f SECT #SYMBL\r | |
612 | EXTERN SIN\r | |
613 | EXTERN COS\r | |
614 | EXTERN #XMBTB / HERE STARTS THE SYMBOL TABLE\r | |
615 | /\r | |
616 | / EXTERNAL REFERENCES INTO FIELD 1 (PDPPLT)\r | |
617 | /\r | |
618 | EXTERN #XTXAD\r | |
619 | EXTERN #XLTCD\r | |
620 | EXTERN #XPNOP\r | |
621 | EXTERN #XLEFT\r | |
622 | EXTERN #XRGHT\r | |
623 | EXTERN #XNDLF\r | |
624 | EXTERN #XNDRT\r | |
625 | EXTERN #XPSNM\r | |
626 | EXTERN #XPSIN\r | |
627 | /\r | |
628 | /\r | |
629 | ENTRY SYMBOL\r | |
630 | WB5, TEXT 'SYMBOL'\r | |
631 | SYMBOL,\r | |
632 | FLDA# WB5\r | |
633 | FSTA WBW\r | |
634 | JSA PLTSTR\r | |
635 | JSR #XMBTB / LOAD THE SYMBOL TABLE ( SYMBTB )\r | |
636 | SYM1, FLDA% ARG1,1\r | |
637 | FSTA XPT / X POINT\r | |
638 | FLDA% ARG1,1+\r | |
639 | FSTA YPT / Y VALUE\r | |
640 | FLDA% ARG1,1+\r | |
641 | FSTA YDIFF / HEIGHT\r | |
642 | FLDA% ARG1,1+\r | |
643 | FSTA TERM1 / TEXT\r | |
644 | FLDA% ARG1,1+\r | |
645 | FSTA TERM2 / ANGLE\r | |
646 | FLDA% ARG1,1+\r | |
647 | FSTA ARG1 / NUMBER CHARS.\r | |
648 | STARTF\r | |
649 | FLDA% TERM2\r | |
650 | FMUL DEGRAD / CONVERT TO RADIANS\r | |
651 | FSTA XCHRPT / THEN DONT NEED SIND\r | |
652 | FLDA% XPT\r | |
653 | FSTA COSANG / VALUE OF X\r | |
654 | FSUB F999 / IF X NEQ 999 THEN \r | |
655 | JNE SY0 / WE USE THE X VALUE SPECIFIED ELSE\r | |
656 | FLDA #XXOLD / WE START WITH THE OLD VALUE\r | |
657 | FMUL #XINCX / THIS WILL CAUSE SOME TRUNCATION ERROR\r | |
658 | FDIV #XFCTX / IN XYPLOT ROUTINE BUT THE ERROR IS SMALL\r | |
659 | FSTA COSANG / AND WE HOPE FAC > 0 BUT THIS MUST NOT BE SO!\r | |
660 | SY0,\r | |
661 | FLDA% YPT\r | |
662 | FSTA SINANG\r | |
663 | FSUB F999 / IF Y NEQ 999 THEN\r | |
664 | JNE SY1 / WE USE THE Y VALUE SPECIFIED ELSE\r | |
665 | FLDA #XYOLD / WE START WITH THE OLD Y VALUE\r | |
666 | FMUL #XINCY / THIS CAUSES SOME TRUNCATION ERRORS\r | |
667 | FDIV #XFCTY\r | |
668 | FSTA SINANG\r | |
669 | SY1,\r | |
670 | FCLA\r | |
671 | FSTA #XTXAD\r | |
672 | FSTA #XPENC / SO ALWAYS DOES INITIAL PEN U/D\r | |
673 | FSTA CENTSY\r | |
674 | FLDA TERM1 / GET TEXT ADDRESS\r | |
675 | FSTA #XTXAD / PUT IT DOWN IN PDP PART\r | |
676 | \f FLDA% YDIFF / ASSUME ITS A REGULAR\r | |
677 | JGE NOTNEG / NEGATIVE SIZE IS NOT NICE\r | |
678 | FNEG\r | |
679 | NOTNEG, FDIV PF7 / ADJUST LATER IF A CENT\r | |
680 | FSTA ANGADJ\r | |
681 | FLDA% ARG1 / SHOWNS NUM. CHARS + PEN STATUS\r | |
682 | FSTA NUMSYM\r | |
683 | JGE REGSYM / GT OR =0 IS REG SYM\r | |
684 | FLDA% TERM1 / CHECK FOR REG CHAR PASSED\r | |
685 | FSUB F100 / AS AN INTEGER EQUIV.\r | |
686 | JLT INTEQ / ITS A INTEGER EQUIV\r | |
687 | FLDA% YDIFF / CENTERED SYMBOL\r | |
688 | JGE NOTNG1\r | |
689 | FNEG\r | |
690 | NOTNG1, FDIV P4\r | |
691 | FSTA ANGADJ\r | |
692 | FLDA NUMSYM / -1=PEN UP, -2=PEN DOWN (CNTRD ONLY)\r | |
693 | FADD P1\r | |
694 | JGE UPPEN / MOVE WITH PEN UP\r | |
695 | FSTA CENTSY / NEG MEANS DOWN FROM THE START\r | |
696 | PTITON, FLDA PF2\r | |
697 | CPEN, FSTA YCHRPT / =-2 FOR DOWN (CENT. + INTEQ ONLY)\r | |
698 | / -3 FOR UP FOR ALL SYMBOLS + INTEQ\r | |
699 | JSA SYMSTR / PLOT ORIGIN\r | |
700 | JA .+10\r | |
701 | JA COSANG\r | |
702 | JA SINANG\r | |
703 | JA YCHRPT\r | |
704 | FLDA XPT\r | |
705 | FMUL #XFCTX\r | |
706 | FSTA XREAL / KEEP TRACK OF PASSED VALUES\r | |
707 | FLDA YPT\r | |
708 | FMUL #XFCTY\r | |
709 | FSTA YREAL\r | |
710 | JSA PENUP\r | |
711 | FLDA CENTSY\r | |
712 | JLE PENOK\r | |
713 | JSA PNDOWN / PUT PEN DOWN NOW (CENT ONLY)\r | |
714 | PENOK, JSR SIN\r | |
715 | JA .+4\r | |
716 | JA XCHRPT\r | |
717 | FMUL ANGADJ\r | |
718 | FSTA SINANG / SAVE SIN+HGT, USE FOR ALL VALUES\r | |
719 | JSR COS\r | |
720 | JA .+4\r | |
721 | JA XCHRPT\r | |
722 | FMUL ANGADJ\r | |
723 | FSTA COSANG / COS(ANGLE)+HGT (IN INCREMENTS NOW)\r | |
724 | LDX 0,4 / ZERO STEP COUNT\r | |
725 | FLDA NUMENT\r | |
726 | JGT NUM2 / JUMP IF FROM NUMBER\r | |
727 | JA FSTLFT\r | |
728 | UPPEN, FLDA P3 / \r | |
729 | FSTA CENTSY / PUT PEN DOWN AFTER INITIAL MOVE\r | |
730 | JA CPEN / MOVE WITH PEN UP\r | |
731 | \fPENSET, JSA PNDOWN\r | |
732 | ONEXY, JA .\r | |
733 | SETX #XLTCD\r | |
734 | XTA 2 / SET Y\r | |
735 | FSTA YCHRPT\r | |
736 | XTA 1 / GET X\r | |
737 | FSTA XCHRPT / GET FIRST MOVE\r | |
738 | SETX XRPLOT\r | |
739 | FSUB PF7 / 7,0=PEN UP, 7,7=END\r | |
740 | JEQ PENUPM\r | |
741 | FLDA CENTSY\r | |
742 | JEQ CALALL / CENTEREDS REQUIRE MODIFIED ORIGIN\r | |
743 | FLDA PF2\r | |
744 | FNEG\r | |
745 | FADDM XCHRPT\r | |
746 | FADDM YCHRPT\r | |
747 | CALALL, JSA CALANG\r | |
748 | JXN PENSET,5 / PUT PEN BACK DOWN IF NEG\r | |
749 | JA ONEXY\r | |
750 | INTEQ, FLDA NUMSYM / CHECK ON PEN\r | |
751 | FADD P1\r | |
752 | JLT PTITON\r | |
753 | REGSYM, FLDA P3\r | |
754 | JA CPEN\r | |
755 | PENUPM, JSA PENUP\r | |
756 | FLDA YCHRPT / CHECK FOR 7,7 END\r | |
757 | FSUB PF7\r | |
758 | JEQ NXTCHR / JUMP IF END OF CHARACTER\r | |
759 | JA ONEXY / ON TO NEXT PAIR\r | |
760 | PENUP, JA .\r | |
761 | LDX 1,5 / SET FOR PEN UP\r | |
762 | SETX #XDPXR\r | |
763 | LDX 0,0 / PASS A ZERO FOR UP\r | |
764 | SETX XRPLOT\r | |
765 | / TRAP4 #XPNOP\r | |
766 | FLDA# SDP / 'P' PEN UP\r | |
767 | FSTA SYMPEN\r | |
768 | JA PENUP\r | |
769 | PNDOWN, JA .\r | |
770 | SETX #XDPXR\r | |
771 | LDX 1,0 / PASS A ONE FOR DOWN\r | |
772 | SETX XRPLOT\r | |
773 | / TRAP4 #XPNOP\r | |
774 | FLDA# SDK / 'K' PEN DOWN\r | |
775 | FSTA SYMPEN\r | |
776 | LDX 0,5\r | |
777 | JA PNDOWN\r | |
778 | \fSYMPEN, F 0.0\r | |
779 | CALANG, JA .\r | |
780 | FLDA YCHRPT\r | |
781 | FDIV #XINCY\r | |
782 | FSTA YCHRPT / Y MOVE AS STEPS (UNITERGERIZED)\r | |
783 | FMUL SINANG\r | |
784 | FNEG\r | |
785 | FSTA TERM1 / =-SINA*Y\r | |
786 | FLDA XCHRPT\r | |
787 | FDIV #XINCX\r | |
788 | FSTA XCHRPT\r | |
789 | FMUL COSANG\r | |
790 | FADD TERM1\r | |
791 | FMUL #XFCTX\r | |
792 | JSA MAKINT\r | |
793 | FSTA XACT / FOR AT END OF TEXT\r | |
794 | FSTA XPT / X*COSA+OLDX-SINA*Y\r | |
795 | / REQUIRES AN OLDX+OLDY TERM, BUT I DO THIS ALL REL TO A\r | |
796 | / LOGICAL 0,0 FOR EACH CHAR, SO I #XLEFT THEM OUT.\r | |
797 | FLDA YCHRPT\r | |
798 | FMUL COSANG\r | |
799 | FSTA TERM1 / COSA*Y\r | |
800 | FLDA XCHRPT\r | |
801 | FMUL SINANG\r | |
802 | FADD TERM1\r | |
803 | FMUL #XFCTY\r | |
804 | JSA MAKINT\r | |
805 | FSTA YACT\r | |
806 | FSTA YPT / NEWX*SINA*OLDY*COSA*Y\r | |
807 | FLDA P1\r | |
808 | FSTA #XPENC / USE SAME ORIGIN THROUOUT THE LETTER\r | |
809 | FNEG\r | |
810 | FSTA PORS\r | |
811 | / JSA PREREL / PEN MUST BE IN NEC POS BY NOW\r | |
812 | TRAP3 #WRITO\r | |
813 | JA UNIX80\r | |
814 | JA FORM1\r | |
815 | FLDA SYMPEN\r | |
816 | TRAP3 #RSVO\r | |
817 | FLDA YREAL\r | |
818 | FDIV #XFCTY\r | |
819 | FADD YPT\r | |
820 | FADD #XORGY\r | |
821 | TRAP3 #RSVO\r | |
822 | FLDA XREAL\r | |
823 | FDIV #XFCTX\r | |
824 | FADD XPT\r | |
825 | FADD #XORGX\r | |
826 | FNEG\r | |
827 | TRAP3 #RSVO\r | |
828 | TRAP3 #RENDO\r | |
829 | JA CALANG\r | |
830 | \fLEFTJS, XTA 4 / NUM OF MOVES\r | |
831 | SETX #XLTCD\r | |
832 | ATX 0 / PASS NUMBER OF STEPS INTO LETTER\r | |
833 | SETX XRPLOT\r | |
834 | TRAP4 #XLEFT / RETURN WITH A X,Y PAIR\r | |
835 | JSA ONEXY\r | |
836 | XTA 4\r | |
837 | SETX #XLTCD\r | |
838 | ATX 0 / STEP COUNT\r | |
839 | SETX XRPLOT\r | |
840 | JNE NOTFST / CHANGE IF BEFORE FIRST MOVE OF CHARACTER\r | |
841 | JSA PNDOWN / PUT PEN DOWN NOW\r | |
842 | NOTFST, TRAP4 #XRGHT / SET NEXT XY PAIR\r | |
843 | JSA ONEXY\r | |
844 | ADDX 1,4 / UPDATE COUNT\r | |
845 | JA LEFTJS / 77 AT END OF CHAR USED TO DET END\r | |
846 | \fCENTEX, JSA PENUP\r | |
847 | JA CENTOO\r | |
848 | NXTCHR, FLDA CENTSY\r | |
849 | JNE CENTEX / LEAVE PEN AT CENTER FOR CENTS ONLY\r | |
850 | FSTA YCHRPT\r | |
851 | FLDA PF7\r | |
852 | FSTA XCHRPT / MOVE PEN TO 7,0 FOR REG CHARS\r | |
853 | JSA CALANG / PLOT IT\r | |
854 | FLDA XACT / UPDATE COLLECTIVE ENDING X VALUE\r | |
855 | FMUL #XFCTX / WITH EFFECT OF FACTOR\r | |
856 | FADDM XREAL / ALSO WITH EFFECT OF FACTOR\r | |
857 | FLDA YACT / UPDATE COLLECTIVE ENDING Y VALUE\r | |
858 | FMUL #XFCTY / WITH EFFECT OF FACTOR\r | |
859 | FADDM YREAL\r | |
860 | CENTOO, LDX 0,4 / ZERO STEP NUM WITHIN CHAR\r | |
861 | FCLA\r | |
862 | FSTA #XXOLD\r | |
863 | FSTA #XYOLD\r | |
864 | FLDA P1\r | |
865 | FNEG\r | |
866 | FADD NUMSYM / UPDATE COUNTER\r | |
867 | JLE SYMDON / NO MORE\r | |
868 | FSTA NUMSYM / MORE, SAVE COUNT\r | |
869 | FLDA NUMENT\r | |
870 | JGT NUM3 / EXIT FOR NUM SUBR\r | |
871 | FCLA\r | |
872 | JXN RTCHAR,3 / 1=CHAR IS #XRGHT SIX BITS\r | |
873 | FSTLFT, LDX 1,3 / POINT TO #XRGHT 6 WHEN TIME FOR NEXT CHAR\r | |
874 | FLDA NUMSYM\r | |
875 | JLT NUM5 / JUMP IF CENTERED SYM OR INTEQ\r | |
876 | / CENTEREDS + INTEQ EQUIV PASSING 3 WORD VALUE IN NUM5\r | |
877 | / REG SYM USES PDP ROUTINE TO GET ONE WORD OF LIST\r | |
878 | FCLA\r | |
879 | TRAP4 #XNDLF\r | |
880 | JA LEFTJS / GO PLOT THE ACTUAL CHAR\r | |
881 | RTCHAR, LDX 0,3 / POINT TO #XLEFT 6 BITS FOR NEXT TIME\r | |
882 | TRAP4 #XNDRT\r | |
883 | JA LEFTJS\r | |
884 | SYMDON, FCLA\r | |
885 | FSTA PORS\r | |
886 | FSTA NUMENT\r | |
887 | FLDA XREAL / UPDATES ORG X VALUE\r | |
888 | FDIV #XFCTX\r | |
889 | JSA MAKINT\r | |
890 | FSTA #XXOLD\r | |
891 | FLDA YREAL / UPDATES ORG Y VALUE\r | |
892 | FDIV #XFCTY\r | |
893 | JSA MAKINT\r | |
894 | FSTA #XYOLD\r | |
895 | JA PLTRTN / NOW CAN CONTINUE PLOT FROM HERE\r | |
896 | \f/ SPECIAL ENTRY FOR NUMBER SUBROUTINE\r | |
897 | ENTRY SYMB\r | |
898 | WB6, TEXT 'SYMB '\r | |
899 | SYMB,\r | |
900 | FLDA# WB6\r | |
901 | FSTA WBW\r | |
902 | JSA PLTSTR / SPECIAL ENTRY FOR NUMBER SUBROUTINE\r | |
903 | JSR #XMBTB / LOAD THE SYMBOL TABLE (SYMBTB)\r | |
904 | STARTF\r | |
905 | FLDA P1\r | |
906 | FSTA NUMENT\r | |
907 | STARTD\r | |
908 | JA SYM1\r | |
909 | NUM2, SETX NUMENT / FOR NUMBER SUBROUTINE ONLY\r | |
910 | / HERE ONLY FOR FIRST NUMBER OF STRING\r | |
911 | LDX -1,2\r | |
912 | NUM3, JSA GETARG / FOR SECOND AND LATER NUMBERS\r | |
913 | TRAP4 #XPSNM\r | |
914 | JA LEFTJS\r | |
915 | NUM5, SETX NUMENT / FOR INTEQ + CENETEREDS\r | |
916 | LDX -1,2\r | |
917 | JSA GETARG\r | |
918 | TRAP4 #XPSIN\r | |
919 | JA LEFTJS\r | |
920 | GETARG, JA .\r | |
921 | SETX NUMENT / USED FOR MORE THAN ONE CHARACTER\r | |
922 | STARTD\r | |
923 | FLDA #XTXAD+1 / CENTEREDS SYMBOLS AND NUM SUBROUTINE\r | |
924 | / PASS VALUES AS THREE WORDS\r | |
925 | FSTA ARG1\r | |
926 | STARTF\r | |
927 | FLDA% ARG1,2+ / PASS A NUMBER\r | |
928 | SETX #XTXAD\r | |
929 | JSA MAKINT\r | |
930 | ATX 0\r | |
931 | SETX XRPLOT\r | |
932 | JA GETARG\r | |
933 | END\r | |
934 | ||
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