1 |
greg |
1.1 |
#ifndef lint |
2 |
schorsch |
1.3 |
static const char RCSid[] = "$Id: aed5.c,v 1.2 2003/07/01 21:21:40 greg Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
|
|
/* |
5 |
|
|
* aed.c - driver for AED 512 terminal. |
6 |
|
|
* |
7 |
|
|
* 7/8/86 |
8 |
|
|
*/ |
9 |
|
|
|
10 |
|
|
#include <fcntl.h> |
11 |
|
|
|
12 |
schorsch |
1.3 |
#include "platform.h" |
13 |
|
|
#include "rtprocess.h" |
14 |
greg |
1.1 |
#include "meta.h" |
15 |
|
|
|
16 |
|
|
|
17 |
|
|
/* AED command characters */ |
18 |
|
|
|
19 |
|
|
#define AEDFMT "1888N" /* Format string to send to AED */ |
20 |
|
|
#define SCT 75 /* Set color lookup table */ |
21 |
|
|
#define SEC 67 /* Set color for vector drawing */ |
22 |
|
|
#define SBC 91 /* Set background color */ |
23 |
|
|
#define MOV 81 /* Set CAP (current access pointer) to x, y */ |
24 |
|
|
#define MVR 105 /* Set CAP relative */ |
25 |
|
|
#define DVA 65 /* Draw vector to new CAP x, y */ |
26 |
|
|
#define DVR 108 /* Draw vector relative */ |
27 |
|
|
#define WHR 92 /* Write horizontal runs */ |
28 |
|
|
#define OPT 40 /* Miscellaneous terminal control */ |
29 |
|
|
#define SEN 71 /* Set encoding types */ |
30 |
|
|
#define RST 48 /* Reset terminal */ |
31 |
|
|
#define FFD 12 /* Clear screen */ |
32 |
|
|
#define SCS 96 /* Set status */ |
33 |
|
|
#define DAI 114 /* Define area of interest */ |
34 |
|
|
#define EJC 85 /* Enable Joystick cursor positioning */ |
35 |
|
|
#define DJC 100 /* Disable Joystick cursor positioning */ |
36 |
|
|
#define SCC 99 /* Set Cursor Colors */ |
37 |
|
|
#define SCP 93 /* Set Cursor Parameters */ |
38 |
|
|
#define RCP 106 /* Read Cursor Position */ |
39 |
|
|
#define SAP 94 /* Set alphanumeric parameters */ |
40 |
|
|
#define SLS 49 /* Set Line Style */ |
41 |
|
|
#define DFR 111 /* Draw Filled Rectangle */ |
42 |
|
|
#define MAXRLEN 255 /* Maximum runlength for a span */ |
43 |
|
|
#define NUL 0 /* Null terminates run sequences */ |
44 |
|
|
#define ESC 27 /* Escape starts a command sequence */ |
45 |
|
|
#define END 1 /* Ctrl-A used to terminate command mode */ |
46 |
|
|
|
47 |
|
|
#define command(c) (putc(ESC, stdout), putc(c, stdout)) |
48 |
|
|
#define byte(b) putc(b, stdout) |
49 |
|
|
#define ascii(c) putc(c, stdout) |
50 |
|
|
|
51 |
|
|
#define BKGCOL 7 /* Background color (white) */ |
52 |
|
|
|
53 |
|
|
#define NROWS 512 /* # rows for output */ |
54 |
|
|
#define NCOLS 512 /* # columns for output */ |
55 |
|
|
|
56 |
|
|
#define xconv(x) CONV(x, NCOLS) |
57 |
|
|
#define yconv(y) CONV(y, NROWS) |
58 |
|
|
|
59 |
|
|
#define XCOM "pexpand +vOCIs -tpSUR %s" |
60 |
|
|
|
61 |
|
|
char *progname; |
62 |
|
|
|
63 |
|
|
static short newpage = TRUE; |
64 |
|
|
|
65 |
|
|
static int curx = -1, /* current position */ |
66 |
|
|
cury = -1; |
67 |
|
|
|
68 |
|
|
static int curcol = -1; /* current color */ |
69 |
|
|
|
70 |
|
|
static short curmod = -1; /* current line drawing mode */ |
71 |
|
|
|
72 |
|
|
static short cmode[4] = {0, 1, 2, 4}; /* color map */ |
73 |
|
|
|
74 |
|
|
static short lmode[4] = {255, 15, 85, 39}; /* line map */ |
75 |
|
|
|
76 |
|
|
static PRIMITIVE nextp; |
77 |
|
|
|
78 |
|
|
|
79 |
|
|
|
80 |
|
|
main(argc, argv) |
81 |
|
|
int argc; |
82 |
|
|
char **argv; |
83 |
|
|
{ |
84 |
schorsch |
1.3 |
FILE *fp; |
85 |
greg |
1.1 |
char comargs[200], shcom[300]; |
86 |
|
|
short condonly = FALSE, conditioned = FALSE; |
87 |
|
|
|
88 |
|
|
progname = *argv++; |
89 |
|
|
argc--; |
90 |
|
|
|
91 |
|
|
while (argc && **argv == '-') { |
92 |
|
|
switch (*(*argv+1)) { |
93 |
|
|
case 'c': |
94 |
|
|
condonly = TRUE; |
95 |
|
|
break; |
96 |
|
|
case 'r': |
97 |
|
|
conditioned = TRUE; |
98 |
|
|
break; |
99 |
|
|
default: |
100 |
|
|
error(WARNING, "unknown option"); |
101 |
|
|
break; |
102 |
|
|
} |
103 |
|
|
argv++; |
104 |
|
|
argc--; |
105 |
|
|
} |
106 |
|
|
|
107 |
|
|
if (conditioned) { |
108 |
|
|
init(); |
109 |
|
|
if (argc) |
110 |
|
|
while (argc) { |
111 |
|
|
fp = efopen(*argv, "r"); |
112 |
|
|
plot(fp); |
113 |
|
|
fclose(fp); |
114 |
|
|
argv++; |
115 |
|
|
argc--; |
116 |
|
|
} |
117 |
|
|
else |
118 |
|
|
plot(stdin); |
119 |
|
|
} else { |
120 |
|
|
comargs[0] = '\0'; |
121 |
|
|
while (argc) { |
122 |
|
|
strcat(comargs, " "); |
123 |
|
|
strcat(comargs, *argv); |
124 |
|
|
argv++; |
125 |
|
|
argc--; |
126 |
|
|
} |
127 |
|
|
sprintf(shcom, XCOM, comargs); |
128 |
|
|
if (condonly) |
129 |
|
|
return(system(shcom)); |
130 |
|
|
else { |
131 |
|
|
init(); |
132 |
|
|
if ((fp = popen(shcom, "r")) == NULL) |
133 |
|
|
error(SYSTEM, "cannot execute input filter"); |
134 |
|
|
plot(fp); |
135 |
|
|
return(pclose(fp)); |
136 |
|
|
} |
137 |
|
|
} |
138 |
|
|
return(0); |
139 |
|
|
} |
140 |
|
|
|
141 |
|
|
|
142 |
|
|
|
143 |
|
|
|
144 |
|
|
|
145 |
|
|
plot(infp) /* plot meta-file */ |
146 |
|
|
|
147 |
|
|
FILE *infp; |
148 |
|
|
|
149 |
|
|
{ |
150 |
|
|
|
151 |
|
|
do { |
152 |
|
|
readp(&nextp, infp); |
153 |
|
|
while (isprim(nextp.com)) { |
154 |
|
|
doprim(&nextp); |
155 |
|
|
fargs(&nextp); |
156 |
|
|
readp(&nextp, infp); |
157 |
|
|
} |
158 |
|
|
doglobal(&nextp); |
159 |
|
|
fargs(&nextp); |
160 |
|
|
} |
161 |
|
|
while (nextp.com != PEOF); |
162 |
|
|
|
163 |
|
|
} |
164 |
|
|
|
165 |
|
|
|
166 |
|
|
|
167 |
|
|
|
168 |
|
|
|
169 |
|
|
doglobal(g) /* execute a global command */ |
170 |
|
|
|
171 |
|
|
PRIMITIVE *g; |
172 |
|
|
|
173 |
|
|
{ |
174 |
|
|
int tty; |
175 |
|
|
char c; |
176 |
|
|
|
177 |
|
|
switch (g->com) { |
178 |
|
|
|
179 |
|
|
case PEOF: |
180 |
|
|
break; |
181 |
|
|
|
182 |
|
|
case PDRAW: |
183 |
|
|
fflush(stdout); |
184 |
|
|
break; |
185 |
|
|
|
186 |
|
|
case PEOP: |
187 |
|
|
newpage = TRUE; |
188 |
|
|
if (!isatty(fileno(stdout))) |
189 |
|
|
break; |
190 |
|
|
/* fall through */ |
191 |
|
|
|
192 |
greg |
1.2 |
case PPAUS: |
193 |
greg |
1.1 |
fflush(stdout); |
194 |
|
|
tty = open(TTY, O_RDWR); |
195 |
|
|
if (g->args != NULL) { |
196 |
|
|
write(tty, g->args, strlen(g->args)); |
197 |
|
|
write(tty, " - (hit return to continue)", 27); |
198 |
|
|
} |
199 |
|
|
else |
200 |
|
|
write(tty, "\007", 1); |
201 |
|
|
do { |
202 |
|
|
c = '\n'; |
203 |
|
|
read(tty, &c, 1); |
204 |
|
|
} |
205 |
|
|
while (c != '\n' && c != '\r'); |
206 |
|
|
close(tty); |
207 |
|
|
break; |
208 |
|
|
|
209 |
|
|
default: |
210 |
|
|
sprintf(errmsg, "unknown command '%c' in doglobal", g->com); |
211 |
|
|
error(WARNING, errmsg); |
212 |
|
|
break; |
213 |
|
|
} |
214 |
|
|
|
215 |
|
|
} |
216 |
|
|
|
217 |
|
|
|
218 |
|
|
|
219 |
|
|
|
220 |
|
|
doprim(p) /* plot primitive */ |
221 |
|
|
|
222 |
|
|
register PRIMITIVE *p; |
223 |
|
|
|
224 |
|
|
{ |
225 |
|
|
|
226 |
|
|
if (newpage) { /* clear screen */ |
227 |
|
|
command(FFD); |
228 |
|
|
shortwait(50); |
229 |
|
|
newpage = FALSE; |
230 |
|
|
} |
231 |
|
|
|
232 |
|
|
switch (p->com) { |
233 |
|
|
|
234 |
|
|
case PLSEG: |
235 |
|
|
plotlseg(p); |
236 |
|
|
break; |
237 |
|
|
|
238 |
|
|
case PMSTR: |
239 |
|
|
printstr(p); |
240 |
|
|
break; |
241 |
|
|
|
242 |
|
|
case PRFILL: |
243 |
|
|
fillrect(p); |
244 |
|
|
break; |
245 |
|
|
|
246 |
|
|
default: |
247 |
|
|
sprintf(errmsg, "unknown command '%c' in doprim", p->com); |
248 |
|
|
error(WARNING, errmsg); |
249 |
|
|
return; |
250 |
|
|
} |
251 |
|
|
|
252 |
|
|
} |
253 |
|
|
|
254 |
|
|
|
255 |
|
|
|
256 |
|
|
|
257 |
|
|
|
258 |
|
|
|
259 |
|
|
printstr(p) /* output a string */ |
260 |
|
|
|
261 |
|
|
register PRIMITIVE *p; |
262 |
|
|
|
263 |
|
|
{ |
264 |
|
|
static int hsp[4] = {6, 5, 4, 3}; |
265 |
|
|
char font, size; |
266 |
|
|
int hspace, vspace = 18; |
267 |
|
|
|
268 |
|
|
hspace = hsp[(p->arg0 >> 4) & 03]; |
269 |
|
|
|
270 |
|
|
if (p->arg0 & 04) |
271 |
|
|
hspace *= 2; |
272 |
|
|
|
273 |
|
|
if (hspace > 16) { |
274 |
|
|
font = '7'; size = '2'; |
275 |
|
|
} else if (hspace > 12) { |
276 |
|
|
font = '5'; size = '2'; |
277 |
|
|
} else if (hspace > 8) { |
278 |
|
|
font = '7'; size = '1'; |
279 |
|
|
} else { |
280 |
|
|
font = '5'; size = '1'; |
281 |
|
|
} |
282 |
|
|
|
283 |
|
|
command(SAP); |
284 |
|
|
ascii(size); ascii(font); |
285 |
|
|
byte(hspace); byte(vspace); |
286 |
|
|
ascii('L'); |
287 |
|
|
|
288 |
|
|
setcolor(p->arg0 & 03); |
289 |
|
|
|
290 |
|
|
move(p->xy[XMN], p->xy[YMX]); |
291 |
|
|
|
292 |
|
|
putc(END, stdout); |
293 |
|
|
fputs(p->args, stdout); |
294 |
|
|
|
295 |
|
|
curx = -1; |
296 |
|
|
cury = -1; |
297 |
|
|
} |
298 |
|
|
|
299 |
|
|
|
300 |
|
|
|
301 |
|
|
|
302 |
|
|
|
303 |
|
|
plotlseg(p) /* plot a line segment */ |
304 |
|
|
|
305 |
|
|
register PRIMITIVE *p; |
306 |
|
|
|
307 |
|
|
{ |
308 |
|
|
static short right = FALSE; |
309 |
|
|
int y1, y2; |
310 |
|
|
short lm = (p->arg0 >> 4) & 03; |
311 |
|
|
|
312 |
|
|
if (p->arg0 & 0100) { |
313 |
|
|
y1 = p->xy[YMX]; |
314 |
|
|
y2 = p->xy[YMN]; |
315 |
|
|
} |
316 |
|
|
else { |
317 |
|
|
y1 = p->xy[YMN]; |
318 |
|
|
y2 = p->xy[YMX]; |
319 |
|
|
} |
320 |
|
|
|
321 |
|
|
setcolor(p->arg0 & 03); |
322 |
|
|
|
323 |
|
|
if (lm != curmod) { |
324 |
|
|
command(SLS); |
325 |
|
|
byte(lmode[lm]); byte(85); |
326 |
|
|
curmod = lm; |
327 |
|
|
} |
328 |
|
|
|
329 |
|
|
if (p->xy[XMN] == curx && y1 == cury) |
330 |
|
|
draw(p->xy[XMX], y2); |
331 |
|
|
else if (p->xy[XMX] == curx && y2 == cury) |
332 |
|
|
draw(p->xy[XMN], y1); |
333 |
|
|
else if (right = !right) { |
334 |
|
|
move(p->xy[XMN], y1); |
335 |
|
|
draw(p->xy[XMX], y2); |
336 |
|
|
} else { |
337 |
|
|
move(p->xy[XMX], y2); |
338 |
|
|
draw(p->xy[XMN], y1); |
339 |
|
|
} |
340 |
|
|
} |
341 |
|
|
|
342 |
|
|
|
343 |
|
|
fillrect(p) |
344 |
|
|
|
345 |
|
|
register PRIMITIVE *p; |
346 |
|
|
|
347 |
|
|
{ |
348 |
|
|
|
349 |
|
|
setcolor(p->arg0 & 03); |
350 |
|
|
move(p->xy[XMN], p->xy[YMN]); |
351 |
|
|
curx = xconv(p->xy[XMX]); |
352 |
|
|
cury = yconv(p->xy[YMX]); |
353 |
|
|
command(DFR); |
354 |
|
|
aedcoord(curx, cury); |
355 |
|
|
|
356 |
|
|
} |
357 |
|
|
|
358 |
|
|
init() /* initialize terminal */ |
359 |
|
|
{ |
360 |
|
|
/* Reset AED and tell it the data format */ |
361 |
|
|
command(RST); |
362 |
|
|
longwait(2); |
363 |
|
|
command(OPT); |
364 |
|
|
byte(6); byte(1); /* AED command set */ |
365 |
|
|
command(SEN); fputs(AEDFMT, stdout); |
366 |
|
|
command(SBC); byte(BKGCOL); |
367 |
|
|
} |
368 |
|
|
|
369 |
|
|
|
370 |
|
|
setcolor(cn) /* set color */ |
371 |
|
|
int cn; |
372 |
|
|
{ |
373 |
|
|
if (cn != curcol) { |
374 |
|
|
command(SEC); |
375 |
|
|
byte(cmode[cn]); |
376 |
|
|
curcol = cn; |
377 |
|
|
} |
378 |
|
|
} |
379 |
|
|
|
380 |
|
|
|
381 |
|
|
move(x, y) /* move to coordinate (x,y) */ |
382 |
|
|
int x, y; |
383 |
|
|
{ |
384 |
|
|
command(MOV); |
385 |
|
|
aedcoord(xconv(x), yconv(y)); |
386 |
|
|
curx = x; |
387 |
|
|
cury = y; |
388 |
|
|
} |
389 |
|
|
|
390 |
|
|
|
391 |
|
|
draw(x, y) /* draw vector from CAP to (x,y) */ |
392 |
|
|
int x, y; |
393 |
|
|
{ |
394 |
|
|
command(DVA); |
395 |
|
|
aedcoord(xconv(x), yconv(y)); |
396 |
|
|
curx = x; |
397 |
|
|
cury = y; |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
|
401 |
|
|
/* |
402 |
|
|
* aedcoord - puts out an (x, y) coordinate in AED 8 bit format. |
403 |
|
|
*/ |
404 |
|
|
|
405 |
|
|
aedcoord(x, y) |
406 |
|
|
register int x, y; |
407 |
|
|
{ |
408 |
|
|
putc(((x >> 4) & 0x30) | ((y >> 8) & 0x3), stdout); |
409 |
|
|
putc(x & 0xff, stdout); |
410 |
|
|
putc(y & 0xff, stdout); |
411 |
|
|
} |
412 |
|
|
|
413 |
|
|
|
414 |
|
|
longwait(t) /* longer wait */ |
415 |
|
|
int t; |
416 |
|
|
{ |
417 |
|
|
fflush(stdout); |
418 |
|
|
sleep(t); |
419 |
|
|
} |
420 |
|
|
|
421 |
|
|
|
422 |
|
|
shortwait(t) /* shorter wait */ |
423 |
|
|
int t; |
424 |
|
|
{ |
425 |
|
|
register long l = t*1000; |
426 |
|
|
|
427 |
|
|
fflush(stdout); |
428 |
|
|
while (l--) |
429 |
|
|
; |
430 |
|
|
} |