Commit | Line | Data |
---|---|---|
abd201e9 GM |
1 | /* |
2 | * This file implements the API used in the PC version. | |
3 | */ | |
4 | ||
5 | #include <stdio.h> | |
abd201e9 | 6 | |
abd201e9 | 7 | #include "api.h" |
d4967272 | 8 | #include "../general/general.h" |
abd201e9 | 9 | |
d5e9703e | 10 | #include "../apilib/disp_asc.h" |
6376f1f2 | 11 | |
65c9fa1f | 12 | #include "../ctlr/screen.h" |
92f7501a GM |
13 | #include "../ctlr/oia.h" |
14 | ||
d4967272 | 15 | #include "../general/globals.h" |
65c9fa1f | 16 | |
92f7501a GM |
17 | /* |
18 | * General utility routines. | |
19 | */ | |
20 | ||
21 | #if defined(MSDOS) | |
ffff8f6a GM |
22 | |
23 | #if defined(LINT_ARGS) | |
24 | static void movetous(char *, int, int, int); | |
25 | static void movetothem(int, int, char *, int); | |
26 | #endif /* defined(LINT_ARGS) */ | |
92f7501a | 27 | |
ec5b8360 GM |
28 | #define access_api(foo,length,copyin) (foo) |
29 | #define unaccess_api(foo,goo,length,copyout) | |
6376f1f2 | 30 | |
92f7501a GM |
31 | static void |
32 | movetous(parms, es, di, length) | |
33 | char *parms; | |
ffff8f6a | 34 | int es, di, length; |
92f7501a | 35 | { |
ffff8f6a | 36 | char far *farparms = parms; |
92f7501a | 37 | |
ffff8f6a | 38 | movedata(es, di, (int) FP_SEG(farparms), (int) FP_OFF(farparms), length); |
92f7501a GM |
39 | } |
40 | ||
41 | static void | |
ffff8f6a GM |
42 | movetothem(es, di, parms, length) |
43 | int es, di; | |
44 | char *parms; | |
45 | int length; | |
92f7501a | 46 | { |
ffff8f6a | 47 | char far *farparms = parms; |
92f7501a | 48 | |
ffff8f6a | 49 | movedata((int) FP_SEG(farparms), (int) FP_OFF(farparms), es, di, length); |
92f7501a GM |
50 | } |
51 | #endif /* defined(MSDOS) */ | |
52 | ||
6376f1f2 | 53 | #if defined(unix) |
4604a66c | 54 | extern char *access_api(), *unaccess_api(); |
6376f1f2 | 55 | #endif /* defined(unix) */ |
92f7501a | 56 | |
4604a66c | 57 | |
abd201e9 GM |
58 | /* |
59 | * Supervisor Services. | |
60 | */ | |
61 | ||
62 | static void | |
92f7501a | 63 | name_resolution(regs, sregs) |
abd201e9 GM |
64 | union REGS *regs; |
65 | struct SREGS *sregs; | |
66 | { | |
86057566 | 67 | NameResolveParms parms; |
e75c75e7 | 68 | |
86057566 | 69 | movetous((char *) &parms, sregs->es, regs->x.di, sizeof parms); |
e75c75e7 GM |
70 | |
71 | regs->h.cl = 0; | |
92f7501a | 72 | if (memcmp((char *)&parms, NAME_SESSMGR, sizeof parms.gate_name) == 0) { |
e75c75e7 | 73 | regs->x.dx = GATE_SESSMGR; |
92f7501a GM |
74 | } else if (memcmp((char *)&parms, NAME_KEYBOARD, |
75 | sizeof parms.gate_name) == 0) { | |
e75c75e7 | 76 | regs->x.dx = GATE_KEYBOARD; |
92f7501a | 77 | } else if (memcmp((char *)&parms, NAME_COPY, sizeof parms.gate_name) == 0) { |
e75c75e7 | 78 | regs->x.dx = GATE_COPY; |
92f7501a | 79 | } else if (memcmp((char *)&parms, NAME_OIAM, sizeof parms.gate_name) == 0) { |
e75c75e7 GM |
80 | regs->x.dx = GATE_OIAM; |
81 | } else { | |
82 | regs->h.cl = 0x2e; /* Name not found */ | |
83 | } | |
84 | regs->h.ch = 0x12; | |
85 | regs->h.bh = 7; | |
abd201e9 GM |
86 | } |
87 | ||
88 | /* | |
89 | * Session Information Services. | |
90 | */ | |
91 | ||
92 | static void | |
93 | query_session_id(regs, sregs) | |
94 | union REGS *regs; | |
95 | struct SREGS *sregs; | |
96 | { | |
86057566 | 97 | QuerySessionIdParms parms; |
e75c75e7 | 98 | |
86057566 | 99 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); |
e75c75e7 | 100 | |
ffff8f6a GM |
101 | if ((parms.rc != 0) || (parms.function_id != 0)) { |
102 | parms.rc = 0x0c; | |
103 | } else if (parms.option_code != 0x01) { | |
104 | parms.rc = 0x0d; /* Invalid option code */ | |
86057566 | 105 | } else if (parms.data_code != 0x45) { |
ffff8f6a | 106 | parms.rc = 0x0b; |
e75c75e7 | 107 | } else { |
65c9fa1f | 108 | NameArray list; |
86057566 GM |
109 | NameArrayElement element; |
110 | ||
111 | movetous((char *)&list, FP_SEG(parms.name_array), | |
92f7501a | 112 | FP_OFF(parms.name_array), sizeof list); |
65c9fa1f | 113 | if ((list.length < 14) || (list.length > 170)) { |
86057566 | 114 | parms.rc = 0x12; |
e75c75e7 | 115 | } else { |
86057566 GM |
116 | list.number_matching_session = 1; |
117 | list.name_array_element.short_name = parms.data_code; | |
118 | list.name_array_element.type = TYPE_DFT; | |
119 | list.name_array_element.session_id = 23; | |
120 | memcpy(list.name_array_element.long_name, "ONLYSESS", | |
121 | sizeof list.name_array_element.long_name); | |
122 | movetothem(FP_SEG(parms.name_array), | |
92f7501a | 123 | FP_OFF(parms.name_array), (char *)&list, sizeof list); |
86057566 | 124 | parms.rc = 0; |
e75c75e7 GM |
125 | } |
126 | } | |
ffff8f6a | 127 | parms.function_id = 0x6b; |
86057566 | 128 | movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms); |
abd201e9 GM |
129 | } |
130 | ||
131 | static void | |
132 | query_session_parameters(regs, sregs) | |
133 | union REGS *regs; | |
134 | struct SREGS *sregs; | |
135 | { | |
86057566 GM |
136 | QuerySessionParametersParms parms; |
137 | ||
138 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); | |
139 | ||
65c9fa1f | 140 | if ((parms.rc !=0) || (parms.function_id != 0)) { |
ffff8f6a GM |
141 | parms.rc = 0x0c; |
142 | } else if (parms.session_id != 23) { | |
143 | parms.rc = 0x02; | |
86057566 | 144 | } else { |
ffff8f6a | 145 | parms.rc = 0; |
86057566 GM |
146 | parms.session_type = TYPE_DFT; |
147 | parms.session_characteristics = 0; /* Neither EAB nor PSS */ | |
148 | parms.rows = MaxNumberLines; | |
149 | parms.columns = MaxNumberColumns; | |
150 | parms.presentation_space = 0; | |
151 | } | |
ffff8f6a | 152 | parms.function_id = 0x6b; |
65c9fa1f | 153 | movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms); |
abd201e9 GM |
154 | } |
155 | ||
156 | static void | |
157 | query_session_cursor(regs, sregs) | |
158 | union REGS *regs; | |
159 | struct SREGS *sregs; | |
160 | { | |
86057566 GM |
161 | QuerySessionCursorParms parms; |
162 | ||
163 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); | |
164 | ||
165 | if ((parms.rc != 0) || (parms.function_id != 0)) { | |
166 | parms.rc = 0x0c; | |
167 | } else if (parms.session_id != 23) { | |
168 | parms.rc = 0x02; | |
169 | } else { | |
170 | parms.rc = 0; | |
86057566 GM |
171 | parms.cursor_type = CURSOR_BLINKING; /* XXX what is inhibited? */ |
172 | parms.row_address = ScreenLine(CursorAddress); | |
173 | parms.column_address = ScreenLineOffset(CursorAddress); | |
174 | } | |
175 | ||
ffff8f6a GM |
176 | parms.function_id = 0x6b; |
177 | movetothem(sregs->es, regs->x.di, (char *) &parms, sizeof parms); | |
abd201e9 GM |
178 | } |
179 | ||
180 | /* | |
181 | * Keyboard Services. | |
182 | */ | |
183 | ||
184 | ||
185 | static void | |
186 | connect_to_keyboard(regs, sregs) | |
187 | union REGS *regs; | |
188 | struct SREGS *sregs; | |
189 | { | |
86057566 GM |
190 | ConnectToKeyboardParms parms; |
191 | ||
d4967272 | 192 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); |
86057566 GM |
193 | |
194 | if ((parms.rc != 0) || (parms.function_id != 0)) { | |
195 | parms.rc = 0x0c; | |
196 | } else if (parms.session_id != 23) { | |
197 | parms.rc = 0x02; | |
198 | } else if (parms.intercept_options != 0) { | |
199 | parms.rc = 0x01; | |
200 | } else { | |
201 | parms.rc = 0; | |
202 | parms.first_connection_identifier = 0; | |
203 | } | |
204 | parms.function_id = 0x62; | |
205 | ||
206 | movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms); | |
abd201e9 GM |
207 | } |
208 | ||
209 | static void | |
86057566 | 210 | disconnect_from_keyboard(regs, sregs) |
abd201e9 GM |
211 | union REGS *regs; |
212 | struct SREGS *sregs; | |
213 | { | |
86057566 GM |
214 | DisconnectFromKeyboardParms parms; |
215 | ||
216 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); | |
217 | ||
218 | if ((parms.rc != 0) || (parms.function_id != 0)) { | |
219 | parms.rc = 0x0c; | |
220 | } else if (parms.session_id != 23) { | |
221 | parms.rc = 0x02; | |
222 | } else if (parms.connectors_task_id != 0) { | |
223 | parms.rc = 04; /* XXX */ | |
224 | } else { | |
225 | parms.rc = 0; | |
226 | } | |
227 | parms.function_id = 0x62; | |
228 | ||
229 | movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms); | |
abd201e9 GM |
230 | } |
231 | ||
232 | static void | |
233 | write_keystroke(regs, sregs) | |
234 | union REGS *regs; | |
235 | struct SREGS *sregs; | |
236 | { | |
cbdd0b03 GM |
237 | WriteKeystrokeParms parms; |
238 | ||
239 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); | |
240 | ||
241 | if ((parms.rc != 0) || (parms.function_id != 0)) { | |
242 | parms.rc = 0x0c; | |
243 | } else if (parms.session_id != 23) { | |
244 | parms.rc = 0x02; | |
245 | } else if (parms.connectors_task_id != 0) { | |
246 | parms.rc = 0x04; | |
247 | } else { | |
248 | parms.number_of_keys_sent = 0; | |
249 | parms.rc = 0; | |
250 | if (parms.options == OPTION_SINGLE_KEYSTROKE) { | |
251 | KeystrokeEntry *entry = &parms.keystroke_specifier.keystroke_entry; | |
252 | ||
253 | if (AcceptKeystroke(entry->scancode, entry->shift_state) == 0) { | |
254 | parms.rc = 0x10; /* XXX needs 0x12 too! */ | |
255 | } | |
256 | parms.number_of_keys_sent++; | |
257 | } else if (parms.options == OPTION_MULTIPLE_KEYSTROKES) { | |
258 | KeystrokeList | |
259 | list, | |
260 | far *atlist = parms.keystroke_specifier.keystroke_list; | |
261 | KeystrokeEntry | |
262 | entry[10], /* 10 at a time */ | |
263 | *ourentry, | |
264 | far *theirentry; | |
265 | int | |
266 | todo; | |
267 | ||
268 | movetous((char *)&list, FP_SEG(atlist), | |
269 | FP_OFF(atlist), sizeof *atlist); | |
270 | todo = list.length/2; | |
271 | ourentry = entry+(highestof(entry)+1); | |
272 | ||
273 | while (todo) { | |
274 | if (ourentry > &entry[highestof(entry)]) { | |
275 | int thistime; | |
276 | ||
277 | thistime = todo; | |
278 | if (thistime > numberof(entry)) { | |
279 | thistime = numberof(entry); | |
280 | } | |
281 | movetous((char *)entry, FP_SEG(theirentry), | |
282 | FP_OFF(theirentry), thistime*sizeof *theirentry); | |
283 | theirentry += thistime; | |
284 | ourentry = entry; | |
285 | } | |
286 | if (AcceptKeystroke(ourentry->scancode, | |
287 | ourentry->shift_state) == 0) { | |
288 | parms.rc = 0x10; /* XXX needs 0x12 too! */ | |
289 | break; | |
290 | } | |
291 | parms.number_of_keys_sent++; | |
292 | ourentry++; | |
293 | todo--; | |
294 | } | |
295 | } else { | |
296 | parms.rc = 0x01; | |
297 | } | |
298 | } | |
299 | parms.function_id = 0x62; | |
300 | ||
301 | movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms); | |
86057566 GM |
302 | /* XXX */ |
303 | } | |
304 | ||
305 | ||
306 | static void | |
307 | disable_input(regs, sregs) | |
308 | union REGS *regs; | |
309 | struct SREGS *sregs; | |
310 | { | |
311 | DisableInputParms parms; | |
312 | ||
313 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); | |
314 | ||
315 | if ((parms.rc != 0) || (parms.function_id != 0)) { | |
316 | parms.rc = 0x0c; | |
317 | } else if (parms.session_id != 23) { | |
318 | parms.rc = 0x02; | |
319 | } else if (parms.connectors_task_id != 0) { | |
320 | parms.rc = 0x04; | |
321 | } else { | |
ffff8f6a | 322 | SetOiaApiInhibit(&OperatorInformationArea); |
86057566 GM |
323 | parms.rc = 0; |
324 | } | |
325 | parms.function_id = 0x62; | |
326 | ||
327 | movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms); | |
abd201e9 GM |
328 | } |
329 | ||
330 | static void | |
331 | enable_input(regs, sregs) | |
332 | union REGS *regs; | |
333 | struct SREGS *sregs; | |
334 | { | |
86057566 GM |
335 | EnableInputParms parms; |
336 | ||
337 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); | |
338 | ||
339 | if ((parms.rc != 0) || (parms.function_id != 0)) { | |
340 | parms.rc = 0x0c; | |
341 | } else if (parms.session_id != 23) { | |
342 | parms.rc = 0x02; | |
343 | } else if (parms.connectors_task_id != 0) { | |
344 | parms.rc = 0x04; | |
345 | } else { | |
ffff8f6a | 346 | ResetOiaApiInhibit(&OperatorInformationArea); |
86057566 GM |
347 | parms.rc = 0; |
348 | } | |
349 | parms.function_id = 0x62; | |
350 | ||
351 | movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms); | |
abd201e9 GM |
352 | } |
353 | ||
354 | /* | |
355 | * Copy Services. | |
356 | */ | |
357 | ||
ec5b8360 GM |
358 | static |
359 | copy_subroutine(target, source, parms, what_is_user, length) | |
6376f1f2 GM |
360 | BufferDescriptor *target, *source; |
361 | CopyStringParms *parms; | |
362 | int what_is_user; | |
363 | #define USER_IS_TARGET 0 | |
364 | #define USER_IS_SOURCE 1 | |
365 | { | |
366 | #define TARGET_NO_EAB 1 | |
367 | #define SOURCE_NO_EAB 2 | |
368 | #define TARGET_PC 4 | |
369 | #define SOURCE_PC 8 | |
370 | #define NO_FIELD_ATTRIBUTES 16 | |
371 | int needtodo = 0; | |
6376f1f2 GM |
372 | int access_length; |
373 | char far *input; | |
374 | char far *output; | |
375 | char far *access_pointer; | |
376 | ||
377 | if ((target->characteristics^source->characteristics) | |
378 | &CHARACTERISTIC_EAB) { | |
379 | if (target->characteristics&CHARACTERISTIC_EAB) { | |
380 | needtodo |= TARGET_NO_EAB; /* Need to bump for EAB in target */ | |
381 | } else { | |
382 | needtodo |= SOURCE_NO_EAB; /* Need to bump for EAB in source */ | |
383 | } | |
384 | } | |
385 | if (target->session_type != source->session_type) { | |
386 | if (target->session_type == TYPE_PC) { | |
387 | needtodo |= TARGET_PC; /* scan codes to PC */ | |
388 | } else { | |
389 | needtodo |= SOURCE_PC; /* PC to scan codes */ | |
390 | } | |
391 | } | |
392 | if ((parms->copy_mode©_MODE_FIELD_ATTRIBUTES) == 0) { | |
393 | needtodo |= NO_FIELD_ATTRIBUTES; | |
394 | } | |
ec5b8360 | 395 | access_length = length; |
6376f1f2 GM |
396 | if (what_is_user == USER_IS_TARGET) { |
397 | if (target->characteristics&CHARACTERISTIC_EAB) { | |
398 | access_length *= 2; | |
399 | } | |
400 | input = (char far *) &Host[source->begin]; | |
401 | access_pointer = target->buffer; | |
ec5b8360 | 402 | output = access_api(target->buffer, access_length, 0); |
6376f1f2 GM |
403 | } else { |
404 | if (source->characteristics&CHARACTERISTIC_EAB) { | |
405 | access_length *= 2; | |
406 | } | |
407 | access_pointer = source->buffer; | |
ec5b8360 | 408 | input = access_api(source->buffer, access_length, 1); |
6376f1f2 GM |
409 | output = (char far *) &Host[target->begin]; |
410 | } | |
411 | while (length--) { | |
412 | if (needtodo&TARGET_PC) { | |
413 | *output++ = disp_asc[*input++]; | |
414 | } else if (needtodo&SOURCE_PC) { | |
415 | *output++ = asc_disp[*input++]; | |
416 | } else { | |
417 | *output++ = *input++; | |
418 | } | |
419 | if (needtodo&TARGET_NO_EAB) { | |
420 | *input++; | |
421 | } else if (needtodo&SOURCE_NO_EAB) { | |
422 | *output++ = 0; /* Should figure out good EAB? */ | |
423 | } | |
424 | } | |
425 | if (what_is_user == USER_IS_TARGET) { | |
ec5b8360 | 426 | unaccess_api(target->buffer, access_pointer, access_length, 1); |
6376f1f2 | 427 | } else { |
ec5b8360 | 428 | unaccess_api(source->buffer, access_pointer, access_length, 0); |
6376f1f2 GM |
429 | } |
430 | } | |
431 | ||
432 | ||
abd201e9 | 433 | static void |
86057566 | 434 | copy_string(regs, sregs) |
abd201e9 GM |
435 | union REGS *regs; |
436 | struct SREGS *sregs; | |
437 | { | |
86057566 | 438 | CopyStringParms parms; |
6376f1f2 GM |
439 | BufferDescriptor *target = &parms.target, *source = &parms.source; |
440 | int length; | |
86057566 GM |
441 | |
442 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); | |
abd201e9 | 443 | |
ec5b8360 | 444 | length = 1+parms.source_end-source->begin; |
86057566 GM |
445 | if ((parms.rc != 0) || (parms.function_id !=0)) { |
446 | parms.rc = 0x0c; | |
6376f1f2 GM |
447 | } else if (target->session_id == 0) { /* Target is buffer */ |
448 | if (source->session_id != 23) { /* A no-no */ | |
449 | parms.rc = 0x2; | |
450 | } else { | |
ec5b8360 GM |
451 | if ((source->begin < 0) || (source->begin > highestof(Host))) { |
452 | parms.rc = 0x06; /* invalid source definition */ | |
453 | } else { | |
454 | if ((source->begin+length) > highestof(Host)) { | |
455 | length = highestof(Host)-source->begin; | |
456 | parms.rc = 0x0f; /* Truncate */ | |
457 | } | |
458 | if ((source->characteristics == target->characteristics) && | |
6376f1f2 | 459 | (source->session_type == target->session_type)) { |
ec5b8360 GM |
460 | if (source->characteristics&CHARACTERISTIC_EAB) { |
461 | length *= 2; | |
462 | } | |
463 | movetothem( (int) FP_SEG(target->buffer), | |
464 | (int) FP_OFF(target->buffer), | |
465 | (char *)&Host[source->begin], length); | |
466 | } else { | |
467 | copy_subroutine(target, source, &parms, | |
468 | USER_IS_TARGET, length); | |
6376f1f2 | 469 | } |
6376f1f2 GM |
470 | } |
471 | } | |
472 | } else if (source->session_id != 0) { | |
473 | parms.rc = 0xd; | |
474 | } else { | |
ec5b8360 GM |
475 | if ((target->begin < 0) || (source->begin > highestof(Host))) { |
476 | parms.rc = 0x07; /* invalid source definition */ | |
6376f1f2 | 477 | } else { |
ec5b8360 GM |
478 | if ((source->begin+length) > highestof(Host)) { |
479 | length = highestof(Host)-source->begin; | |
480 | parms.rc = 0x0f; /* Truncate */ | |
481 | } | |
482 | if ((source->characteristics == target->characteristics) && | |
483 | (source->session_type == target->session_type)) { | |
484 | if (source->characteristics&CHARACTERISTIC_EAB) { | |
485 | length *= 2; | |
486 | } | |
487 | movetous((char *)&Host[target->begin], | |
488 | (int) FP_SEG(source->buffer), | |
489 | (int) FP_OFF(source->buffer), length); | |
490 | } else { | |
491 | copy_subroutine(target, source, &parms, USER_IS_SOURCE, length); | |
492 | } | |
6376f1f2 | 493 | } |
86057566 | 494 | } |
d4967272 | 495 | movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms); |
86057566 | 496 | } |
abd201e9 GM |
497 | /* |
498 | * Operator Information Area Services. | |
499 | */ | |
500 | ||
501 | static void | |
502 | read_oia_group(regs, sregs) | |
503 | union REGS *regs; | |
504 | struct SREGS *sregs; | |
505 | { | |
86057566 GM |
506 | ReadOiaGroupParms parms; |
507 | ||
508 | movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms); | |
509 | ||
510 | if ((parms.rc != 0) || (parms.function_id != 0)) { | |
511 | parms.rc = 0x0c; | |
512 | } else if (parms.session_id != 23) { | |
513 | parms.rc = 0x02; | |
514 | } else { | |
515 | int group = parms.oia_group_number; | |
92f7501a GM |
516 | char *from; |
517 | int size; | |
86057566 | 518 | |
ffff8f6a GM |
519 | if ((group != API_OIA_ALL_GROUPS) && |
520 | ((group > API_OIA_LAST_LEGAL_GROUP) || (group < 0))) { | |
92f7501a GM |
521 | } else { |
522 | if (group == API_OIA_ALL_GROUPS) { | |
523 | size = API_OIA_BYTES_ALL_GROUPS; | |
524 | from = (char *)&OperatorInformationArea; | |
525 | } else if (group == API_OIA_INPUT_INHIBITED) { | |
526 | size = sizeof OperatorInformationArea.input_inhibited; | |
527 | from = (char *)&OperatorInformationArea.input_inhibited[0]; | |
528 | } else { | |
529 | size = 1; | |
530 | from = ((char *)&OperatorInformationArea)+group; | |
531 | } | |
532 | movetothem(FP_SEG(parms.oia_buffer), FP_OFF(parms.oia_buffer), | |
533 | from, size); | |
65c9fa1f | 534 | } |
86057566 | 535 | } |
65c9fa1f | 536 | parms.function_id = 0x6d; |
86057566 | 537 | movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms); |
abd201e9 GM |
538 | } |
539 | \f | |
540 | static void | |
541 | unknown_op(regs, sregs) | |
542 | union REGS *regs; | |
543 | struct SREGS *sregs; | |
544 | { | |
545 | regs->h.ch = 0x12; | |
546 | regs->h.cl = 0x05; | |
547 | } | |
548 | ||
549 | ||
550 | handle_api(regs, sregs) | |
551 | union REGS *regs; | |
552 | struct SREGS *sregs; | |
553 | { | |
554 | if (regs->h.ah == NAME_RESOLUTION) { | |
555 | name_resolution(regs, sregs); | |
bada4bfa GM |
556 | #if defined(unix) |
557 | } else if (regs->h.ah == PS_OR_OIA_MODIFIED) { | |
558 | while ((oia_modified == 0) && (ps_modified == 0)) { | |
559 | (void) Scheduler(1); | |
560 | } | |
561 | oia_modified = ps_modified = 0; | |
562 | #endif /* defined(unix) */ | |
65c9fa1f GM |
563 | } else if (regs->h.ah != 0x09) { |
564 | regs->h.ch = 0x12; | |
565 | regs->h.cl = 0x0f; /* XXX Invalid environmental access */ | |
566 | } else if (regs->x.bx != 0x8020) { | |
567 | regs->h.ch = 0x12; | |
568 | regs->h.cl = 0x08; /* XXX Invalid wait specified */ | |
569 | } else if (regs->h.ch != 0) { | |
ffff8f6a | 570 | regs->x.cx = 0x1206; /* XXX Invalid priority */ |
abd201e9 GM |
571 | } else { |
572 | switch (regs->x.dx) { | |
573 | case GATE_SESSMGR: | |
574 | switch (regs->h.al) { | |
575 | case QUERY_SESSION_ID: | |
65c9fa1f | 576 | if (regs->h.cl != 0) { |
ffff8f6a | 577 | regs->x.cx = 0x1206; |
65c9fa1f | 578 | } else { |
ffff8f6a | 579 | regs->x.cx = 0x1200; |
65c9fa1f GM |
580 | query_session_id(regs, sregs); |
581 | } | |
abd201e9 | 582 | break; |
ffff8f6a | 583 | case QUERY_SESSION_PARAMETERS: |
65c9fa1f | 584 | if (regs->h.cl != 0) { |
ffff8f6a | 585 | regs->x.cx = 0x1206; |
65c9fa1f | 586 | } else { |
ffff8f6a | 587 | regs->x.cx = 0x1200; |
92f7501a | 588 | query_session_parameters(regs, sregs); |
65c9fa1f | 589 | } |
abd201e9 GM |
590 | break; |
591 | case QUERY_SESSION_CURSOR: | |
65c9fa1f | 592 | if (regs->h.cl != 0xff) { |
ffff8f6a | 593 | regs->x.cx = 0x1206; |
65c9fa1f | 594 | } else { |
ffff8f6a | 595 | regs->x.cx = 0x1200; |
65c9fa1f GM |
596 | query_session_cursor(regs, sregs); |
597 | } | |
abd201e9 GM |
598 | break; |
599 | default: | |
600 | unknown_op(regs, sregs); | |
601 | break; | |
602 | } | |
603 | break; | |
604 | case GATE_KEYBOARD: | |
65c9fa1f | 605 | if (regs->h.cl != 00) { |
ffff8f6a | 606 | regs->x.cx = 0x1206; |
65c9fa1f | 607 | } else { |
ffff8f6a | 608 | regs->x.cx = 0x1200; |
65c9fa1f GM |
609 | switch (regs->h.al) { |
610 | case CONNECT_TO_KEYBOARD: | |
611 | connect_to_keyboard(regs, sregs); | |
612 | break; | |
613 | case DISABLE_INPUT: | |
614 | disable_input(regs, sregs); | |
615 | break; | |
616 | case WRITE_KEYSTROKE: | |
617 | write_keystroke(regs, sregs); | |
618 | break; | |
619 | case ENABLE_INPUT: | |
620 | enable_input(regs, sregs); | |
621 | break; | |
622 | case DISCONNECT_FROM_KEYBOARD: | |
623 | disconnect_from_keyboard(regs, sregs); | |
624 | break; | |
625 | default: | |
626 | unknown_op(regs, sregs); | |
627 | break; | |
628 | } | |
abd201e9 GM |
629 | } |
630 | break; | |
631 | case GATE_COPY: | |
65c9fa1f | 632 | if (regs->h.cl != 0xff) { |
ffff8f6a | 633 | regs->x.cx = 0x1206; |
65c9fa1f | 634 | } else { |
ffff8f6a | 635 | regs->x.cx = 0x1200; |
65c9fa1f GM |
636 | switch (regs->h.al) { |
637 | case COPY_STRING: | |
638 | copy_string(regs, sregs); | |
639 | break; | |
640 | default: | |
641 | unknown_op(regs, sregs); | |
642 | break; | |
643 | } | |
abd201e9 GM |
644 | } |
645 | break; | |
646 | case GATE_OIAM: | |
65c9fa1f | 647 | if (regs->h.cl != 0xff) { |
ffff8f6a | 648 | regs->x.cx = 0x1206; |
65c9fa1f | 649 | } else { |
ffff8f6a | 650 | regs->x.cx = 0x1200; |
65c9fa1f GM |
651 | switch (regs->h.al) { |
652 | case READ_OIA_GROUP: | |
653 | read_oia_group(regs, sregs); | |
654 | break; | |
655 | default: | |
656 | unknown_op(regs, sregs); | |
657 | break; | |
658 | } | |
abd201e9 GM |
659 | } |
660 | break; | |
661 | default: | |
65c9fa1f GM |
662 | regs->h.ch = 0x12; |
663 | regs->h.cl = 0x34; /* Invalid GATE entry */ | |
abd201e9 GM |
664 | break; |
665 | } | |
666 | } | |
667 | } |