summaryrefslogtreecommitdiff
path: root/comms/tn3270/files/ctlr/api.c
diff options
context:
space:
mode:
Diffstat (limited to 'comms/tn3270/files/ctlr/api.c')
-rw-r--r--comms/tn3270/files/ctlr/api.c778
1 files changed, 778 insertions, 0 deletions
diff --git a/comms/tn3270/files/ctlr/api.c b/comms/tn3270/files/ctlr/api.c
new file mode 100644
index 00000000000..cecdef4b102
--- /dev/null
+++ b/comms/tn3270/files/ctlr/api.c
@@ -0,0 +1,778 @@
+/* $NetBSD: api.c,v 1.1.1.1 2010/01/17 01:33:20 dholland Exp $ */
+/* From NetBSD: api.c,v 1.7 2003/08/07 11:16:29 agc Exp */
+
+/*-
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)api.c 4.5 (Berkeley) 4/26/91";
+#else
+__RCSID("$NetBSD: api.c,v 1.1.1.1 2010/01/17 01:33:20 dholland Exp $");
+#endif
+#endif /* not lint */
+
+/*
+ * This file implements the API used in the PC version.
+ */
+
+#include <stdio.h>
+
+#include "api.h"
+#include "../general/general.h"
+
+#include "../api/disp_asc.h"
+
+#include "screen.h"
+#include "hostctlr.h"
+#include "oia.h"
+#include "declare.h"
+
+#include "externs.h"
+
+#include "../general/globals.h"
+
+int apitrace = 0;
+
+/*
+ * Some defines for things we use internally.
+ */
+
+#define PS_SESSION_ID 23
+#define BUF_SESSION_ID 0
+
+
+/* api.c */
+#if defined(MSDOS)
+static void movetous(char *, int, int , int);
+static void movetothem(int, int , char *, int);
+#else
+#include "../sys_curses/telextrn.h"
+#endif
+static void name_resolution(union REGS *, struct SREGS *);
+static void query_session_id(union REGS *, struct SREGS *);
+static void query_session_parameters(union REGS *, struct SREGS *);
+static void query_session_cursor(union REGS *, struct SREGS *);
+static void connect_to_keyboard(union REGS *, struct SREGS *);
+static void disconnect_from_keyboard(union REGS *, struct SREGS *);
+static void write_keystroke(union REGS *, struct SREGS *);
+static void disable_input(union REGS *, struct SREGS *);
+static void enable_input(union REGS *, struct SREGS *);
+static void copy_subroutine(BufferDescriptor *, BufferDescriptor *,
+ CopyStringParms *, int, int);
+static void copy_string(union REGS *, struct SREGS *);
+static void read_oia_group(union REGS *, struct SREGS *);
+static void unknown_op(union REGS *, struct SREGS *);
+
+/*
+ * General utility routines.
+ */
+
+#if defined(MSDOS)
+
+#define access_api(foo,length,copyin) (foo)
+#define unaccess_api(foo,goo,length,copyout)
+
+static void
+movetous(parms, es, di, length)
+char *parms;
+int es, di;
+int length;
+{
+ char far *farparms = parms;
+
+ movedata(es, di, FP_SEG(farparms), FP_OFF(farparms), length);
+ if (apitrace) {
+ Dump('(', parms, length);
+ }
+}
+
+static void
+movetothem(es, di, parms, length)
+int es, di;
+char *parms;
+int length;
+{
+ char far *farparms = parms;
+
+ movedata(FP_SEG(farparms), FP_OFF(farparms), es, di, length);
+ if (apitrace) {
+ Dump(')', parms, length);
+ }
+}
+#endif /* defined(MSDOS) */
+
+/*
+ * Supervisor Services.
+ */
+
+static void
+name_resolution(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ NameResolveParms parms;
+
+ movetous((char *) &parms, sregs->es, regs->x.di, sizeof parms);
+
+ regs->h.cl = 0;
+ if (memcmp((char *)&parms, NAME_SESSMGR, sizeof parms.gate_name) == 0) {
+ regs->x.dx = GATE_SESSMGR;
+ } else if (memcmp((char *)&parms, NAME_KEYBOARD,
+ sizeof parms.gate_name) == 0) {
+ regs->x.dx = GATE_KEYBOARD;
+ } else if (memcmp((char *)&parms, NAME_COPY, sizeof parms.gate_name) == 0) {
+ regs->x.dx = GATE_COPY;
+ } else if (memcmp((char *)&parms, NAME_OIAM, sizeof parms.gate_name) == 0) {
+ regs->x.dx = GATE_OIAM;
+ } else {
+ regs->h.cl = 0x2e; /* Name not found */
+ }
+ regs->h.ch = 0x12;
+ regs->h.bh = 7;
+}
+
+/*
+ * Session Information Services.
+ */
+
+static void
+query_session_id(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ QuerySessionIdParms parms;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ if ((parms.rc != 0) || (parms.function_id != 0)) {
+ parms.rc = 0x0c;
+ } else if (parms.option_code != 0x01) {
+ parms.rc = 0x0d; /* Invalid option code */
+#ifdef NOTOBS
+ } else if ((parms.data_code != 0x45) && (parms.data_code != 0x00/*OBS*/)) {
+ parms.rc = 0x0b;
+#endif /* NOTOBS */
+ } else {
+ NameArray list;
+
+ movetous((char *)&list, FP_SEG(parms.name_array),
+ FP_OFF(parms.name_array), sizeof list);
+ if ((list.length < 14) || (list.length > 170)) {
+ parms.rc = 0x12;
+ } else {
+ list.number_matching_session = 1;
+ list.name_array_element.short_name = parms.data_code;
+ list.name_array_element.type = TYPE_DFT;
+ list.name_array_element.session_id = PS_SESSION_ID;
+ memcpy(list.name_array_element.long_name, "ONLYSESS",
+ sizeof list.name_array_element.long_name);
+ movetothem(FP_SEG(parms.name_array),
+ FP_OFF(parms.name_array), (char *)&list, sizeof list);
+ parms.rc = 0;
+ }
+ }
+ parms.function_id = 0x6b;
+ movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms);
+}
+
+static void
+query_session_parameters(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ QuerySessionParametersParms parms;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ if ((parms.rc !=0) || (parms.function_id != 0)) {
+ parms.rc = 0x0c;
+ } else if (parms.session_id != PS_SESSION_ID) {
+ parms.rc = 0x02;
+ } else {
+ parms.rc = 0;
+ parms.session_type = TYPE_DFT;
+ parms.session_characteristics = 0; /* Neither EAB nor PSS */
+ parms.rows = MaxNumberLines;
+ parms.columns = MaxNumberColumns;
+ parms.presentation_space = 0;
+ }
+ parms.function_id = 0x6b;
+ movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms);
+}
+
+static void
+query_session_cursor(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ QuerySessionCursorParms parms;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ if ((parms.rc != 0) || (parms.function_id != 0)) {
+ parms.rc = 0x0c;
+ } else if (parms.session_id != PS_SESSION_ID) {
+ parms.rc = 0x02;
+ } else {
+ parms.rc = 0;
+ parms.cursor_type = CURSOR_BLINKING; /* XXX what is inhibited? */
+ parms.row_address = ScreenLine(CursorAddress);
+ parms.column_address = ScreenLineOffset(CursorAddress);
+ }
+
+ parms.function_id = 0x6b;
+ movetothem(sregs->es, regs->x.di, (char *) &parms, sizeof parms);
+}
+
+/*
+ * Keyboard Services.
+ */
+
+
+static void
+connect_to_keyboard(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ ConnectToKeyboardParms parms;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ if ((parms.rc != 0) || (parms.function_id != 0)) {
+ parms.rc = 0x0c;
+ } else if (parms.session_id != PS_SESSION_ID) {
+ parms.rc = 0x02;
+ } else if (parms.intercept_options != 0) {
+ parms.rc = 0x01;
+ } else {
+ parms.rc = 0;
+ parms.first_connection_identifier = 0;
+ }
+ parms.function_id = 0x62;
+
+ movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms);
+}
+
+static void
+disconnect_from_keyboard(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ DisconnectFromKeyboardParms parms;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ if ((parms.rc != 0) || (parms.function_id != 0)) {
+ parms.rc = 0x0c;
+ } else if (parms.session_id != PS_SESSION_ID) {
+ parms.rc = 0x02;
+ } else if (parms.connectors_task_id != 0) {
+ parms.rc = 04; /* XXX */
+ } else {
+ parms.rc = 0;
+ }
+ parms.function_id = 0x62;
+
+ movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms);
+}
+
+static void
+write_keystroke(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ WriteKeystrokeParms parms;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ if ((parms.rc != 0) || (parms.function_id != 0)) {
+ parms.rc = 0x0c;
+ } else if (parms.session_id != PS_SESSION_ID) {
+ parms.rc = 0x02;
+ } else if (parms.connectors_task_id != 0) {
+ parms.rc = 0x04;
+ } else {
+ parms.number_of_keys_sent = 0;
+ parms.rc = 0;
+ if (parms.options == OPTION_SINGLE_KEYSTROKE) {
+ KeystrokeEntry *entry = &parms.keystroke_specifier.keystroke_entry;
+
+ if (AcceptKeystroke(entry->scancode, entry->shift_state) == 0) {
+ parms.rc = 0x10; /* XXX needs 0x12 too! */
+ }
+ parms.number_of_keys_sent++;
+ } else if (parms.options == OPTION_MULTIPLE_KEYSTROKES) {
+ KeystrokeList
+ list,
+ far *atlist = parms.keystroke_specifier.keystroke_list;
+ KeystrokeEntry
+ entry[10], /* 10 at a time */
+ *ourentry,
+ far *theirentry;
+ int
+ todo;
+
+ movetous((char *)&list, FP_SEG(atlist),
+ FP_OFF(atlist), sizeof *atlist);
+ todo = list.length/2;
+ ourentry = entry+(highestof(entry)+1);
+ theirentry = &atlist->keystrokes;
+
+ while (todo) {
+ if (ourentry > &entry[highestof(entry)]) {
+ int thistime;
+
+ thistime = todo;
+ if (thistime > numberof(entry)) {
+ thistime = numberof(entry);
+ }
+ movetous((char *)entry, FP_SEG(theirentry),
+ FP_OFF(theirentry), thistime*sizeof *theirentry);
+ theirentry += thistime;
+ ourentry = entry;
+ }
+ if (AcceptKeystroke(ourentry->scancode,
+ ourentry->shift_state) == 0) {
+ parms.rc = 0x10; /* XXX needs 0x12 too! */
+ break;
+ }
+ parms.number_of_keys_sent++;
+ ourentry++;
+ todo--;
+ }
+ } else {
+ parms.rc = 0x01;
+ }
+ }
+ parms.function_id = 0x62;
+
+ movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms);
+/* XXX */
+}
+
+
+static void
+disable_input(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ DisableInputParms parms;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ if ((parms.rc != 0) || (parms.function_id != 0)) {
+ parms.rc = 0x0c;
+ } else if (parms.session_id != PS_SESSION_ID) {
+ parms.rc = 0x02;
+ } else if (parms.connectors_task_id != 0) {
+ parms.rc = 0x04;
+ } else {
+ SetOiaApiInhibit(&OperatorInformationArea);
+ parms.rc = 0;
+ }
+ parms.function_id = 0x62;
+
+ movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms);
+}
+
+static void
+enable_input(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ EnableInputParms parms;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ if ((parms.rc != 0) || (parms.function_id != 0)) {
+ parms.rc = 0x0c;
+ } else if (parms.session_id != PS_SESSION_ID) {
+ parms.rc = 0x02;
+ } else if (parms.connectors_task_id != 0) {
+ parms.rc = 0x04;
+ } else {
+ ResetOiaApiInhibit(&OperatorInformationArea);
+ parms.rc = 0;
+ }
+ parms.function_id = 0x62;
+
+ movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms);
+}
+
+/*
+ * Copy Services.
+ */
+
+static void
+copy_subroutine(target, source, parms, what_is_user, length)
+BufferDescriptor *target, *source;
+CopyStringParms *parms;
+int what_is_user;
+int length;
+#define USER_IS_TARGET 0
+#define USER_IS_SOURCE 1
+{
+#define TARGET_NO_EAB 1
+#define SOURCE_NO_EAB 2
+#define TARGET_PC 4
+#define SOURCE_PC 8
+#define NO_FIELD_ATTRIBUTES 16
+ int needtodo = 0;
+ int access_length;
+ unsigned char far *input;
+ char far *output;
+ char far *access_pointer;
+
+ if ((target->characteristics^source->characteristics)
+ &CHARACTERISTIC_EAB) {
+ if (target->characteristics&CHARACTERISTIC_EAB) {
+ needtodo |= TARGET_NO_EAB; /* Need to bump for EAB in target */
+ } else {
+ needtodo |= SOURCE_NO_EAB; /* Need to bump for EAB in source */
+ }
+ }
+ if (target->session_type != source->session_type) {
+ if (target->session_type == TYPE_PC) {
+ needtodo |= TARGET_PC; /* scan codes to PC */
+ } else {
+ needtodo |= SOURCE_PC; /* PC to scan codes */
+ }
+ }
+ if ((parms->copy_mode&COPY_MODE_FIELD_ATTRIBUTES) == 0) {
+ needtodo |= NO_FIELD_ATTRIBUTES;
+ }
+ access_length = length;
+ if (what_is_user == USER_IS_TARGET) {
+ if (target->characteristics&CHARACTERISTIC_EAB) {
+ access_length *= 2;
+ }
+ input = (unsigned char far *) &Host[source->begin];
+ access_pointer = target->buffer;
+ output = access_api(target->buffer, access_length, 0);
+ } else {
+ if (source->characteristics&CHARACTERISTIC_EAB) {
+ access_length *= 2;
+ }
+ access_pointer = source->buffer;
+ input = (unsigned char far *)
+ access_api(source->buffer, access_length, 1);
+ output = (char far *) &Host[target->begin];
+ }
+ while (length--) {
+ if (needtodo&TARGET_PC) {
+ *output++ = disp_asc[*input++];
+ } else if (needtodo&SOURCE_PC) {
+ *output++ = asc_disp[*input++];
+ } else {
+ *output++ = *input++;
+ }
+ if (needtodo&TARGET_NO_EAB) {
+ /* XXX: So why are we doing this? (bug) */
+ input++;
+ } else if (needtodo&SOURCE_NO_EAB) {
+ *output++ = 0; /* Should figure out good EAB? */
+ }
+ }
+ if (what_is_user == USER_IS_TARGET) {
+ unaccess_api(target->buffer, access_pointer, access_length, 1);
+ } else {
+ unaccess_api(source->buffer, access_pointer, access_length, 0);
+ }
+}
+
+
+static void
+copy_string(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ CopyStringParms parms;
+ BufferDescriptor *target = &parms.target, *source = &parms.source;
+ int length;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ length = 1+parms.source_end-source->begin;
+ if ((parms.rc != 0) || (parms.function_id !=0)) {
+ parms.rc = 0x0c;
+ } else if (target->session_id == BUF_SESSION_ID) { /* Target is buffer */
+ if (source->session_id != PS_SESSION_ID) { /* A no-no */
+ parms.rc = 0x2;
+ } else {
+ if ((source->begin < 0) || (source->begin > highestof(Host))) {
+ parms.rc = 0x06; /* invalid source definition */
+ } else {
+ if ((source->begin+length) > highestof(Host)) {
+ length = highestof(Host)-source->begin;
+ parms.rc = 0x0f; /* Truncate */
+ }
+ if ((source->characteristics == target->characteristics) &&
+ (source->session_type == target->session_type)) {
+ if (source->characteristics&CHARACTERISTIC_EAB) {
+ length *= 2;
+ }
+ movetothem(FP_SEG(target->buffer),
+ FP_OFF(target->buffer),
+ (char *)&Host[source->begin], length);
+ } else {
+ copy_subroutine(target, source, &parms,
+ USER_IS_TARGET, length);
+ }
+ }
+ }
+ } else if (source->session_id != BUF_SESSION_ID) {
+ parms.rc = 0xd;
+ } else {
+ /* Send to presentation space (3270 buffer) */
+ if ((target->begin < 0) || (target->begin > highestof(Host))) {
+ parms.rc = 0x07; /* invalid target definition */
+ } if (!UnLocked) {
+ parms.rc = 0x03; /* Keyboard locked */
+ } else if (parms.copy_mode != 0) {
+ parms.rc = 0x0f; /* Copy of field attr's not allowed */
+ } else if (IsProtected(target->begin) || /* Make sure no protected */
+ (WhereAttrByte(target->begin) != /* in range */
+ WhereAttrByte(target->begin+length-1))) {
+ parms.rc = 0x0e; /* Attempt to write in protected */
+ } else {
+ if ((target->begin+length) > highestof(Host)) {
+ length = highestof(Host)-target->begin;
+ parms.rc = 0x0f; /* Truncate */
+ }
+ TurnOnMdt(target->begin); /* Things have changed */
+ if ((source->characteristics == target->characteristics) &&
+ (source->session_type == target->session_type)) {
+ if (source->characteristics&CHARACTERISTIC_EAB) {
+ length *= 2;
+ }
+ movetous((char *)&Host[target->begin],
+ FP_SEG(source->buffer),
+ FP_OFF(source->buffer), length);
+ } else {
+ copy_subroutine(target, source, &parms, USER_IS_SOURCE, length);
+ }
+ }
+ }
+ parms.function_id = 0x64;
+ movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms);
+}
+
+
+/*
+ * Operator Information Area Services.
+ */
+
+static void
+read_oia_group(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ ReadOiaGroupParms parms;
+
+ movetous((char *)&parms, sregs->es, regs->x.di, sizeof parms);
+
+ if ((parms.rc != 0) || (parms.function_id != 0)) {
+ parms.rc = 0x0c;
+ } else if (parms.session_id != PS_SESSION_ID) {
+ parms.rc = 0x02;
+ } else {
+ int group = parms.oia_group_number;
+ char *from;
+ int size;
+
+ if ((group != API_OIA_ALL_GROUPS) &&
+ ((group > API_OIA_LAST_LEGAL_GROUP) || (group < 0))) {
+ } else {
+ if (group == API_OIA_ALL_GROUPS) {
+ size = API_OIA_BYTES_ALL_GROUPS;
+ from = (char *)&OperatorInformationArea;
+ } else if (group == API_OIA_INPUT_INHIBITED) {
+ size = sizeof OperatorInformationArea.input_inhibited;
+ from = (char *)&OperatorInformationArea.input_inhibited[0];
+ } else {
+ size = 1;
+ from = ((char *)&OperatorInformationArea)+group;
+ }
+ movetothem(FP_SEG(parms.oia_buffer), FP_OFF(parms.oia_buffer),
+ from, size);
+ }
+ }
+ parms.function_id = 0x6d;
+ movetothem(sregs->es, regs->x.di, (char *)&parms, sizeof parms);
+}
+
+/*ARGSUSED*/
+static void
+unknown_op(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+ regs->h.ch = 0x12;
+ regs->h.cl = 0x05;
+}
+
+
+void
+handle_api(regs, sregs)
+union REGS *regs;
+struct SREGS *sregs;
+{
+/*
+ * Do we need to log this transaction?
+ */
+ if (apitrace) {
+ Dump('<', (char *)regs, sizeof *regs);
+ Dump('<', (char *)sregs, sizeof *sregs);
+ }
+ if (regs->h.ah == NAME_RESOLUTION) {
+ name_resolution(regs, sregs);
+#if defined(unix)
+ } else if (regs->h.ah == PS_OR_OIA_MODIFIED) {
+ while ((oia_modified == 0) && (ps_modified == 0)) {
+ (void) Scheduler(1);
+ }
+ oia_modified = ps_modified = 0;
+#endif /* defined(unix) */
+ } else if (regs->h.ah != 0x09) {
+ regs->h.ch = 0x12;
+ regs->h.cl = 0x0f; /* XXX Invalid environmental access */
+ } else if (regs->x.bx != 0x8020) {
+ regs->h.ch = 0x12;
+ regs->h.cl = 0x08; /* XXX Invalid wait specified */
+ } else if (regs->h.ch != 0) {
+ regs->x.cx = 0x1206; /* XXX Invalid priority */
+ } else {
+ switch (regs->x.dx) {
+ case GATE_SESSMGR:
+ switch (regs->h.al) {
+ case QUERY_SESSION_ID:
+ if (regs->h.cl != 0) {
+ regs->x.cx = 0x1206;
+ } else {
+ regs->x.cx = 0x1200;
+ query_session_id(regs, sregs);
+ }
+ break;
+ case QUERY_SESSION_PARAMETERS:
+ if (regs->h.cl != 0) {
+ regs->x.cx = 0x1206;
+ } else {
+ regs->x.cx = 0x1200;
+ query_session_parameters(regs, sregs);
+ }
+ break;
+ case QUERY_SESSION_CURSOR:
+ if ((regs->h.cl != 0xff) && (regs->h.cl != 0x00/*OBS*/)) {
+ regs->x.cx = 0x1206;
+ } else {
+ regs->x.cx = 0x1200;
+ query_session_cursor(regs, sregs);
+ }
+ break;
+ default:
+ unknown_op(regs, sregs);
+ break;
+ }
+ break;
+ case GATE_KEYBOARD:
+ if (regs->h.cl != 00) {
+ regs->x.cx = 0x1206;
+ } else {
+ regs->x.cx = 0x1200;
+ switch (regs->h.al) {
+ case CONNECT_TO_KEYBOARD:
+ connect_to_keyboard(regs, sregs);
+ break;
+ case DISABLE_INPUT:
+ disable_input(regs, sregs);
+ break;
+ case WRITE_KEYSTROKE:
+ write_keystroke(regs, sregs);
+ break;
+ case ENABLE_INPUT:
+ enable_input(regs, sregs);
+ break;
+ case DISCONNECT_FROM_KEYBOARD:
+ disconnect_from_keyboard(regs, sregs);
+ break;
+ default:
+ unknown_op(regs, sregs);
+ break;
+ }
+ }
+ break;
+ case GATE_COPY:
+ if (regs->h.cl != 0xff) {
+ regs->x.cx = 0x1206;
+ } else {
+ regs->x.cx = 0x1200;
+ switch (regs->h.al) {
+ case COPY_STRING:
+ copy_string(regs, sregs);
+ break;
+ default:
+ unknown_op(regs, sregs);
+ break;
+ }
+ }
+ break;
+ case GATE_OIAM:
+ if (regs->h.cl != 0xff) {
+ regs->x.cx = 0x1206;
+ } else {
+ regs->x.cx = 0x1200;
+ switch (regs->h.al) {
+ case READ_OIA_GROUP:
+ read_oia_group(regs, sregs);
+ break;
+ default:
+ unknown_op(regs, sregs);
+ break;
+ }
+ }
+ break;
+ default:
+ regs->h.ch = 0x12;
+ regs->h.cl = 0x34; /* Invalid GATE entry */
+ break;
+ }
+ }
+/*
+ * Do we need to log this transaction?
+ */
+ if (apitrace) {
+ Dump('>', (char *)regs, sizeof *regs);
+ Dump('>', (char *)sregs, sizeof *sregs);
+#ifdef MSDOS
+ { char buf[10]; gets(buf); }
+#endif /* MSDOS */
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-27 09:33:34 +0000