diff options
Diffstat (limited to 'libc/msdos/xxx/TALK.C')
| -rw-r--r-- | libc/msdos/xxx/TALK.C | 3931 |
1 files changed, 0 insertions, 3931 deletions
diff --git a/libc/msdos/xxx/TALK.C b/libc/msdos/xxx/TALK.C deleted file mode 100644 index b84c435..0000000 --- a/libc/msdos/xxx/TALK.C +++ /dev/null @@ -1,3931 +0,0 @@ -/*
- * Terminal emulator.
- *
- * This program is a terminal emulator for the IBM PC.
- * It's basic emulation is as very close to the SCO-Xenix ANSI console
- * but it's had a few additions that seemed a good idea at the time.
- *
- * Performance: I use this on a 16Mhz 286 at 115k2 baud with RTS flow
- * control and experience NO lost characters. The PC cannot
- * quite keep up if flow control is disabled though.
- *
- * This program can run at 19200 on a 4.77 Mhz XT with flow control.
- * (Upto 57600 is possible if the BIOS doesn't disable interrupts)
- */
-
-/*
- * TODO:
- *
- * - Add file operations (open, read/write block, close)
- * - Add dubious hack to attempt to make keyboard & timer RTS-Flow active.
- * - Adjust extra CSI codes to be in small range (CSI $A .. CSI $Z ?)
- * - Add ZMODEM challange string.
- * - Add local echo mode. (Only ascii chars ?)
- * - Add magic echo mode - like local echo but display tempoary.
- * - Merge BIOS serial with HW serial.
- */
-/*****************************************************************************
-
- ANSI Emulation.
- ===============
-
- Special characters
-
- ^G Beep
- ^H Backspace
- ^I Tab
- ^J Linefeed
- ^L Clear screen
- ^M Carriage return
- ^V Avatar code prefix.
- ^X Cancel Escape code or string (XXX But ZMODEM)
- ^[ Escape code prefix
-
- Escape codes
-
- ^[ [ CSI code - see below.
- ^[ P DCS Code, as CSI followed by string and ST
- ^[ \ ST - String terminator.
-
- ^[ ( Font select
- U IBM CP 437
- u IBM CP 437 with 0x00-0x7f replicated to 0x80-0xFF
- B ISO 8859-1 + DIRECT FONT 0x00-0x1F in 0x80-0x9F.
- 0 VT100 Graphics + DIRECT FONT 0x80-0xFF
- A UK ASCII
-
- ^[ 7 Save cursor position (XXX Attribute?)
- ^[ 8 Restore cursor position (XXX Attribute?)
-
- ^[ M Reverse LF (Not implemented)
-
- ^[ Q SCO Function key redefinition (Only if !AT_BIOS_KEY)
-
- ^[ > Keyboard normal (if AT_BIOS_KEY)
- ^[ = Keyboard in dosemu/keypad mode. (if AT_BIOS_KEY)
-
- Simple ANSI CSI codes
-
- CSI A Cursor Up
- CSI B Cursor Down
- CSI C Cursor Right
- CSI D Cursor Left
- CSI H Cursor to position.
- CSI J Screen area clear (SCO honours attributes)
- CSI K Line area clear (SCO honours attributes)
- CSI m Attributes (See detail)
- CSI s Save cursor position
- CSI u Restore cursor position
-
- SCO ANSI CSI codes
-
- CSI @ Insert chars
- CSI E Col 0, Cursor Down
- CSI F Col 0, Cursor Up
- CSI H Cursor to (r,c) position.
- CSI L Insert lines
- CSI M Delete lines
- CSI P Delete characters
- CSI S Scroll up (XXX)
- CSI T Scroll Down (XXX)
- CSI X Clear characters
- CSI Z Back tab
- CSI a Cursor Right
- CSI e Col 0, Cursor Down
- CSI f Cursor to (r,c) position.
- CSI g Write Specific font char (AM mode always = 0, font always Raw)
- CSI =B Beep type
- CSI =C Cursor type
- CSI =E Background bold or blink.
- CSI =F Default foreground colour (NB Colour is in IBM VGA order)
- CSI =G Default background colour (NB Colour is in IBM VGA order)
- CSI =H Reverse foreground colour (NB Colour is in IBM VGA order)
- CSI =I Reverse background colour (NB Colour is in IBM VGA order)
- CSI =J Graphic foreground colour (NB Colour is in IBM VGA order)
- CSI =K Graphic background colour (NB Colour is in IBM VGA order)
-
- Additional ANSI CSI codes
-
- CSI } Page flipping & Macros.
- CSI ?lh Set/reset mode (am if arg == 7)
- CSI i Printer control.
- DCS $| Message line (DCS code)
-
- DCS for full setup (Keyboard, font, am, zapmsg, default attrs)
- - (This page or all pages and default)
-
- CSI&DCS for open/read/write/close file.
- CSI for inquire session hash key.
-
- Dangerous codes to have 4 digit PIN number (generated for session)
-
-
- VT 52 codes - (Not implemented)
-
- if c in "ABCDHJK" do_ansi of same code.
- if c == Y -> cursor position.
- if c == I -> ^[M
- if c == Z -> xmits("\033\\Z") or something
-
- if c == .. -> Add attribute and charset extras.
-
-
-*****************************************************************************
-
-*****************************************************************************/
-
-#include <stdio.h>
-#include <ctype.h>
-#include <dos.h>
-#include <bios.h>
-#include <process.h>
-#include <signal.h>
-#include <string.h>
-#include <malloc.h>
-#include <stdlib.h>
-
-#define LINUX_DEFAULTS
-
-#define RS8250 /* Hardware RS-232 driver */
-#define BEEPER /* Interrupt driven beeper */
-#define MEM_SCR /* Use Hardware screen memory */
-#define KBDRTS /* Flow control on keyboard interrupt */
-#define AT_BIOS_KEY /* AT keyboard + DOSemu keymapping */
-#define SCO_KEYMAP /* Make keyboard look SCOish */
-
-#define XFORKDOS /* Key to spawn shell */
-#define XPRINTER /* Almost useless but does (just) work */
-#define XZMODEM /* Beware DSZ has an 16bit for the speed! */
-#define XAVATAR /* Decode dos 'AVATAR' screen codes */
-
-#ifdef MEM_SCR /* All the following are possible only if MEM_SCR is set */
-
-#define SCO_ANSI /* Decode SCO ansi control codes. */
-#define MAXPAGE 10 /* Multiple screens */
-#define SAVEBLOCK 3072 /* Screen macros */
-#define XSCO_REMAP /* Allow SCO key remap functions (!AT_BIOS_KEY) */
-
-#define XTSRPROG /* Currently only works with MSC 5.1 */
-#define XAVATAR_PLUS /* More avatar functions */
-#endif
-
-/* Old or non-working stuff */
-#define XOLDBEEPER
-#define XFLDATTR
-
-#if defined(__STDC__) || defined(__BORLANDC__)
-#define _(x) x
-#else
-#define _(x) ()
-#endif
-
-#ifdef OLDBEEPER
-int duration = 0x800;
-int freq = 0x1000;
-int warble = 1;
-
-int soundval = -1;
-int soundcnt = -1;
-int soundfreq= -1;
-int sounddir = -1;
-#endif
-#ifdef BEEPER
-int duration = 5;
-int freq = 0x600;
-int lastfreq;
-
-int soundval = -1;
-int soundcnt = -1;
-
-#define TIMER 0x1C
-void ( interrupt far *orig_timer_int)();
-void interrupt far timer_int();
-#endif
-
-#ifdef KBDRTS
-#define KBDINT 0x09
-void ( interrupt far *orig_kbd_int) _((void));
-void interrupt far kbd_int _((void));
-#endif
-
-#ifdef PRINTER
-int in_transprt = 0;
-int print_dev = 0;
-#endif
-
-#define FALSE 0
-#define TRUE !FALSE
-
-#define RS232 0x14
-#define INITRS 0
-#define WRITECH 1
-#define READCH 2
-#define STATUS 3
-#define FOSINIT 4
-
-#define DTARDY 0x100
-#define ZFLAG 0x40
-
-#define CHAROUT 2
-#define CHARIN 6
-
-#ifdef AT_BIOS_KEY
-#define KEY_SPECIAL (int)0x8000
-#define KEY_PAD 0x4000
-#define KEY_OTHER 0x2000
-#define KEY_DIRECT 0x1000
-#define KEY_ALT 0x0800
-#define KEY_ALTGR 0x0400
-#define KEY_CTRL 0x0200
-#define KEY_SHIFT 0x0100
-
-#define DOS_KEY (KEY_SPECIAL+KEY_ALT+'d')
-#define EXITKEY (KEY_SPECIAL+KEY_SHIFT)
-#define SYSLKEY (KEY_SPECIAL+KEY_SHIFT)
-
-int sysline_warn = 0;
-#else
-#define EXITKEY 0x2D00
-#define DOS_KEY 0x2000
-#define SYSLKEY 0x1F00
-#endif
-
-void main _((int argc, char ** argv));
-int keybd _((void));
-int xmit _((int ch));
-void putstr _((char * str));
-void init_vid _((void));
-int test_svga_mode _((void));
-void end_vid _((void));
-void putscrn _((int c));
-
-void init_beep _((void));
-void beep_on _((void));
-void sounder _((void));
-void beep_set _((int f, int p));
-void clear_beep _((void));
-
-#ifdef MEM_SCR
-void putansi _((int c));
-void litput _((int c));
-void rawput _((int c));
-void set_pos _((int line, int col));
-void update_page _((void));
-void updateline _((int to));
-void fetch_page _((void));
-void fetch_line _((int from));
-void do_ansi _((int cmd, int subcmd, int * args, int argc));
-void scroll _((int from, int to, int lines));
-void clrline _((int to));
-int reset_page _((void));
-void clr_eol _((void));
-void clr_sol _((void));
-void delch _((int chars));
-void inch _((int chars));
-void zapch _((int chars));
-void set_blink _((int flg));
-void move_cur _((int row, int col));
-void set_curtype _((int a, int top, int bot));
-#endif
-#ifdef SAVEBLOCK
-void read_block _((int blk));
-void save_block _((int blk));
-#endif
-
-void setup _((int port, int flags));
-void clearup _((void));
-void do_xmit _((void));
-void serial _((void));
-
-#ifndef RS8250
-int chrdy _((void));
-#else
-int get_c _((void));
-void chfetch _((void));
-void setints _((void));
-void clrints _((void));
-void rtsflow _((int stop));
-void init_kbd _((void));
-void clear_kbd _((void));
-#endif
-
-int get_key _((void));
-void write_scan _((int scan));
-void write_dosemu _((int ch));
-void write_unix _((int ch));
-
-/*xYx*/
-void message();
-
-int isfossil = 0;
-int fossilfunc = 0;
-int mnp_fossil = 0;
-
-int mask = 0xFF;
-
-union REGS iregs, oregs;
-
-int nsize = 0;
-char empty[4096];
-#define full (empty+sizeof(empty))
-char * putptr = empty;
-char * getptr = empty;
-
-char xmit_buf[512];
-char *xmit_put=xmit_buf, *xmit_get=xmit_buf;
-
-/***************************************************************************/
-
-#ifdef MEM_SCR
-
-#define intvid(reg) int86(0x10, ®, ®)
-#ifndef MAXPAGE
-#define MAXPAGE 1
-#endif
-
-int page_no;
-int dos_cur;
-int dos_mode;
-int dos_line;
-int dos_col;
-int line_len;
-int scr_len;
-int is_ega_plus;
-
-struct physical_scr
-{
- int far * scrptr;
- int dumb ;
- int this_page ;
- int line;
- int col;
-}
- phy_scr;
-
-struct page_descr
-{
- int ** lines;
- int col;
- int line;
- int charflip;
- int chartran;
- int attr;
- int dirtypg;
- int * dirty;
-
- int * page;
- int scol, sline;
- int std_col;
- int rev_col;
- int gr_col;
- int clr_col;
-
-#ifdef AT_BIOS_KEY
- int key_mode; /* 0 = Unix, 1 = dosemu */
-#endif
-#ifdef SCO_ANSI
- int am; /* 1 = can't use col 80, 2 = no autowrap */
-#endif
- int honour_attr; /* Area clears honour attribute */
- int reset_done;
-}
- pages[MAXPAGE];
-
-#if MAXPAGE == 1
-#define curpage pages
-#else
-struct page_descr * curpage = pages;
-#endif
-
-int args[10];
-int argc;
-int tchar;
-int echar;
-
-char dcs[256], *dcs_ptr;
-
-int sysline[80];
-int syslineno = -1;
-int syslinetmp = 0;
-int syslinedirty = 0;
-int syslineold = -1;
-
-#endif
-
-/***************************************************************************/
-
-#ifdef SCO_REMAP
-extern int kbtab[];
-extern int keyxlate[];
-#define KEYTABSIZE 64
-#endif
-
-#ifdef SAVEBLOCK
-
-#define max_blk 100
-
-int save_flag = 0;
-int read_flag = 0;
-char save_buf[SAVEBLOCK];
-char * save_ptr;
-char * blocks[max_blk];
-
-#endif
-
-/***************************************************************************/
-
-#ifdef TSRPROG
-#define TSR 0x31
-#define KEYBD 0x16
-#define OLDKB 0x65
-
-void ( interrupt far *orig_key_int)();
-void interrupt far key_int();
-int tsrflag = 0;
-char far * dos_screen;
-
-#ifndef __BORLANDC__
-extern
-struct irq_stack
-{
- int es;
- int ds;
- int di;
- int si;
- int bp;
- int sp;
- int bx;
- int dx;
- int cx;
- int ax;
- int pc;
- int cs;
- int flgs;
-} far * sp_save;
-#endif
-
-#endif
-
-/***************************************************************************/
-
-long speeds[] = { 110, 150, 300, 600,
- 1200, 2400, 4800, 9600,
-#ifdef RS8250
- 19200, 38400, 115200, 57600,
- 28800, 23040, 14400, 75,
- 50, 134, 200, 1800,
-#endif
- 0 };
-
-/***************************************************************************
- * Main, here we go
- */
-void main(argc, argv)
-int argc;
-char ** argv;
-{
- int ar;
-#if defined(RS8250) && defined(LINUX_DEFAULTS)
- int speed = 0x143; /* 115200, np, 1s, 8b */
-#else
- int speed = 0xE3; /* 9600, np, 1s, 8b */
-#endif
- int port = 0;
-
- signal(SIGINT, SIG_IGN); /* Ignore ^C */
-
- init_vid();
-
- for(ar=1; ar<argc; ar++)
- {
- if(argv[ar][0] == '-' || argv[ar][0] == '/')
- argv[ar]++;
-
- if(strcmp(argv[ar], "8") == 0)
- mask = 0xFF;
- else if(strcmp(argv[ar], "7") == 0)
- mask = 0x7F;
- else if(argv[ar][0] == 's' )
- {
- long sp; int i;
- sp = atol(argv[ar]+1);
- for(i=0; speeds[i] && speeds[i] != sp ; i++);
- if( speeds[i] == 0 )
- {
- printf("Speed unsupported by BIOS\n");
- exit(1);
- }
- speed = (speed & 0x1F) | (i<<5);
- }
-#ifdef TSRPROG
- else if(strcmp(argv[ar], "t") == 0)
- tsrflag = 1;
-#endif
-#ifdef MEM_SCR
- else if(strcmp(argv[ar], "d") == 0)
- phy_scr.dumb = 1;
-#endif
- else if(argv[ar][0] == 'p')
- {
- port = argv[ar][1] - '1';
- if( port > 3 || port < 0 || argv[ar][2] != '\0' )
- {
- printf("Illegal Port number\n");
- exit(1);
- }
- }
- else
- {
- printf("Illegal argument\n");
- exit(1);
- }
- }
-
-#ifdef TSRPROG
- tsrinit();
-#endif
-
- setup(port, speed);
-
-#ifdef KBDRTS
- init_kbd();
-#endif
-#ifdef BEEPER
- init_beep();
-#endif
-
-#ifdef MEM_SCR
- fetch_page();
- for(ar=0; ar<80; ar++) sysline[ar] = 0x7020;
-#endif
-
- putstr("Terminal emulator.\r\n");
-
- if( isfossil && mnp_fossil )
- putstr("Fossil communications driver with MNP support found\r\n");
- else if( isfossil )
- putstr("Fossil communications driver found\r\n");
- putstr("Connected\r\n");
-
- while(keybd())
- {
-#ifdef OLDBEEPER
- sounder();
-#endif
- serial();
- }
-
-#ifdef OLDBEEPER
- clear_beep();
-#endif
-#ifdef TSRPROG
- tsrexit(0);
-#endif
-#ifdef BEEPER
- clear_beep();
-#endif
-#ifdef KBDRTS
- clear_kbd();
-#endif
- clearup();
- end_vid();
- exit(0);
-}
-
-/***************************************************************************/
-
-#ifdef TSRPROG
-
-/***************************************************************************
- * Check the tsr isn't already running and install our IRQ handler.
- */
-tsrinit()
-{
- orig_key_int = _dos_getvect(OLDKB);
-
- if( orig_key_int != 0 )
- {
- printf("ALREADY RUNNING USE HOTKEY\n");
- exit(0);
- }
-
- if( tsrflag )
- {
- save_stack(100);
-
- orig_key_int = _dos_getvect(KEYBD);
- _dos_setvect(OLDKB, orig_key_int);
-
- dos_screen = (char far *) malloc(line_len*scr_len*2);
- movedata( FP_SEG(phy_scr.scrptr), FP_OFF(phy_scr.scrptr),
- FP_SEG(dos_screen), FP_OFF(dos_screen),
- scr_len*line_len*2);
- }
-}
-
-/***************************************************************************
- * Actually go TSR.
- */
-tsrexit(rtn)
-int rtn;
-{
- extern unsigned int _psp;
- extern unsigned int _abrktb, _asizds, _atopsp, _abrkp;
- unsigned int pgmsz;
- struct SREGS srg;
-
- if( tsrflag )
- {
- int i;
-
- movedata( FP_SEG(dos_screen), FP_OFF(dos_screen),
- FP_SEG(phy_scr.scrptr), FP_OFF(phy_scr.scrptr),
- scr_len*line_len*2);
- move_cur(dos_line, dos_col);
-
- _dos_setvect(KEYBD, key_int);
-
- /* pgmsz Should be Data seg size + DS - PSP */
- segread(&srg);
- pgmsz = (_asizds>>4);
- pgmsz += 1;
- pgmsz += srg.ds;
- pgmsz -= _psp;
-
- _dos_keep(rtn, pgmsz);
- }
- /* Not tsring return */
-}
-
-/***************************************************************************
- * Check for keycodes to bring TSR in and out
- */
-void interrupt far key_int()
-{
-static int c;
-static union REGS regs;
-static int flg = 0;
-
- set_stack();
- c = (((sp_save->ax)>>8) & 0xFF);
- if( c == 0 || c == 0x10 )
- {
- regs.h.ah = c;
- int86(OLDKB, ®s, ®s);
- c = regs.x.ax;
- sp_save->ax = c;
-
- if( flg == 0 && c == EXITKEY )
- {
- flg=1;
- _enable();
- do_looper();
- _disable();
- flg=0;
- }
- unset_stack();
- }
- else
- {
- unset_stack();
- _chain_intr(orig_key_int);
- }
-}
-
-/***************************************************************************
- * This is the routine to run the TSR terminal in the foreground.
- */
-do_looper()
-{
- int c;
- union REGS regs;
-
- regs.h.ah = 3; regs.h.bh = page_no; intvid(regs);
- dos_line = regs.h.dh;
- dos_col = regs.h.dl;
- movedata( FP_SEG(phy_scr.scrptr), FP_OFF(phy_scr.scrptr),
- FP_SEG(dos_screen), FP_OFF(dos_screen),
- scr_len*line_len*2);
-
- curpage->dirtypg = 1; /* Whole screen will be updated 'soon' */
- phy_scr.line = -1; /* Cursor probably isn't in the right place */
-
- while(keybd())
- {
-#ifdef OLDBEEPER
- sounder();
-#endif
- serial();
- }
-
-#ifdef BEEPER
- soundcnt = -1; /* Turn off beep asap */
-#endif
-
- movedata( FP_SEG(dos_screen), FP_OFF(dos_screen),
- FP_SEG(phy_scr.scrptr), FP_OFF(phy_scr.scrptr),
- scr_len*line_len*2);
- move_cur(dos_line, dos_col);
-}
-
-#endif
-
-/***************************************************************************
- * Beeper routines, standard version
- */
-
-#ifdef BEEPER
-void
-init_beep()
-{
- orig_timer_int = _dos_getvect(TIMER);
- _dos_setvect(TIMER, timer_int);
-}
-
-void
-beep_on()
-{
- _disable();
- if(soundval == -1 )
- {
- soundval = inp(0x61);
- lastfreq = freq;
- }
- else if( lastfreq > 128 )
- lastfreq = lastfreq/2;
- else
- lastfreq = freq;
- outp(0x61, soundval|3);
- outp(0x43, 0xb6);
- outp(0x42, lastfreq&0xFF);
- outp(0x42, (lastfreq>>8)&0xFF);
- soundcnt = duration;
- _enable();
-}
-
-void interrupt far timer_int()
-{
- if(soundval != -1)
- {
- if(soundcnt <= 0)
- {
- outp(0x61, soundval);
- soundval = -1;
- }
- soundcnt--;
- }
- _chain_intr(orig_timer_int);
-}
-
-void
-beep_set(f,p)
-int f,p;
-{
- freq = f;
- duration = (p%100)*182/100+1;
-}
-
-void
-clear_beep()
-{
- _dos_setvect(TIMER, orig_timer_int);
- if( soundval != -1 )
- outp(0x61, soundval);
-}
-#endif
-
-/***************************************************************************
- * Beeper routines, older non-interrupt version.
- */
-#ifdef OLDBEEPER
-void
-beep_on()
-{
- if(soundval == -1 )
- soundval = inp(0x61);
- outp(0x61, soundval|3);
- outp(0x43, 0xb6);
- outp(0x42, freq&0xFF);
- outp(0x42, (freq>>8)&0xFF);
- soundcnt = duration;
- soundfreq= freq;
- sounddir = -warble;
-}
-
-void
-sounder()
-{
- if( soundcnt > 0 )
- {
- soundcnt--;
- outp(0x42, soundfreq&0xFF);
- outp(0x42, (soundfreq>>8)&0xFF);
- soundfreq += sounddir;
- if( soundfreq < freq-500 || soundfreq > freq )
- sounddir = -sounddir;
- }
- else if( soundcnt == 0 )
- {
- soundcnt--;
- outp(0x61, soundval);
- soundval = -1;
- sounddir = -warble;
- }
-}
-
-void
-beep_set(f,p)
-int f,p;
-{
- freq = f;
- duration = (p%100+1)*700;
- if( p > 99 ) warble=1;
- else warble = 0;
-}
-
-void
-clear_beep()
-{
- if( soundval != -1 )
- outp(0x61, soundval);
-}
-#endif
-
-/***************************************************************************
- * Fetch a key and forward it to the serial port.
- * While doing this look for the EXIT key and return FALSE if it is pressed
- */
-
-int
-keybd()
-{
- int c;
- if( (c=get_key()) == -1 ) return TRUE;
-#if SYSLKEY == EXITKEY
- if( sysline_warn && (c&0xFF) == '\033' )
- return FALSE;
-#else
- if( c == EXITKEY )
- return FALSE;
-#endif
-#ifdef FORKDOS
-#ifdef TSRPROG
- else if(c == DOS_KEY && !tsrflag)
-#else
- else if(c == DOS_KEY)
-#endif
- {
- int err;
- char * cmd = getenv("COMSPEC");
- if( !cmd || !*cmd ) cmd = "command";
- err = spawnlp(P_WAIT, cmd, "command.com", NULL);
- fetch_page();
- if( err == -1 )
- message("Error trying to run command.com");
- curpage->dirtypg = 1;
- return TRUE;
- }
-#endif
-#ifdef MEM_SCR
- else if( c == SYSLKEY )
- {
-#if SYSLKEY == EXITKEY
- if(syslineno < 0 || syslineno >= scr_len)
- {
- syslineno = 0;
- message("Press Escape to exit terminal emulator");
- sysline_warn = 1;
- }
- else
- {
- syslineno = -1;
- sysline_warn = 0;
- }
-#else
- if(syslineno < 0 || syslineno >= scr_len)
- syslineno = 0;
- else
- syslineno = -1;
-#endif
- }
-#endif
-#ifdef AT_BIOS_KEY
- else switch(curpage->key_mode)
- {
- default: write_unix(c); break;
- case 1: write_dosemu(c); break;
- case 2: write_scan(c); break;
- }
-#else
-#ifdef SCO_KEYMAP
- else if( bios_keymap(c) )
- ;
-#endif
- else if( c&0xFF )
- xmit(c & mask);
- else
- {
- xmit(0);
- xmit((c>>8)&mask);
- }
-#endif
- return TRUE;
-}
-
-int
-xmit(ch)
-int ch;
-{
- if( xmit_put >= xmit_buf+sizeof(xmit_buf) && xmit_get != xmit_buf )
- {
- int count = xmit_put-xmit_get;
- memcpy(xmit_buf, xmit_get, count);
- count = xmit_get - xmit_buf;
- xmit_put -= count;
- xmit_get -= count;
- }
-
- if( xmit_put >= xmit_buf+sizeof(xmit_buf) )
- return -1;
-
- *xmit_put++ = ch;
-
- do_xmit();
- return 0;
-}
-
-/***************************************************************************
- * Simple routine to forward output to LPT1 or the print device set as the
- * second argument of the '<ESC> [ 5 ; <dev> i'
- */
-#ifdef PRINTER
-putprnt(ch)
-{
-union REGS prt_regs;
-
- if( in_transprt )
- {
- switch(in_transprt)
- {
- case 2: if( ch == '[' ) { in_transprt++; return; }
- in_transprt = 0;
- putprnt('\033'); break;
- case 3: if( ch == '4' ) { in_transprt++; return; }
- in_transprt = 0;
- putprnt('\033'); putprnt('['); break;
- case 4: if( ch == 'i' ) { in_transprt=0; return; }
- in_transprt = 0;
- putprnt('\033'); putprnt('['); putprnt('4'); break;
- }
- in_transprt = 1;
- if( ch == '\033' ) { in_transprt++; return; }
- }
-
- prt_regs.x.ax = 0x0200;
- prt_regs.x.dx = print_dev;
- int86(0x17, &prt_regs, &prt_regs);
- if( ( prt_regs.x.ax & 0x2A00 ) != 0 )
- {
- message("Printer Not Ready ... Please correct");
- return;
- }
- prt_regs.x.ax = ch;
- prt_regs.x.dx = print_dev;
- int86(0x17, &prt_regs, &prt_regs);
-}
-#endif
-
-/***************************************************************************
- * Quick routine to print a string to the screen.
- */
-void
-putstr(str)
-char * str;
-{
- while(*str)
- putscrn(*str++);
-}
-
-
-#ifndef MEM_SCR
-
-/***************************************************************************
- * Dummy init and end for BIOS screen.
- */
-void init_vid() { }
-void end_vid() { }
-
-/***************************************************************************
- * BIOS screen message line; just print the text
- */
-void
-message(str, val1, val2)
-char * str;
-int val1, val2;
-{
- static char buf[128];
- char * p;
- int i=0;
-
- sprintf(buf, str, val1, val2);
- strcat(buf, "\r\n");
-
- putstr(buf);
-}
-
-/***************************************************************************
- * BIOS screen put char.
- */
-void
-putscrn(c)
-int c;
-{
-#ifdef ZMODEM
-static lastchar = ' ';
-#endif
-#ifdef AVATAR
- extern int avcnt;
- if( avcnt > 0 || ( avcnt == 0 && ( c == '\026' || c == '\031')))
- {
- do_avatar(c);
- return;
- }
- if( c == '\f' )
- {
- putstr("\033[2J");
- return;
- }
-#endif
-#ifdef OLDBEEPER
- if( c == '\007' )
- {
- beep_on();
- return;
- }
-#endif /* OLDBEEPER */
-#ifdef BEEPER
- if( c == '\007' )
- {
- beep_on();
- return;
- }
-#endif /* BEEPER */
-#ifdef ZMODEM
- else if( c == 24 && lastchar == '*' ) /* CTRL-X */
- {
-#ifdef TSRPROG
- if( !tsrflag )
-#endif
- system("dsz d handshake slow rz -rr");
- }
-
- lastchar = c;
-#endif
-
- if( (c&-32)==0
- && c != '\r'
- && c != '\n'
- && c != '\b'
- && c != '\007'
- ) return;
-
- iregs.h.ah = CHAROUT;
- iregs.h.dl = c;
- intdos(&iregs, &oregs);
-}
-
-#else
-
-/***************************************************************************
- * Hardware screen, message line is mobile between TOS and BOS.
- */
-void
-message(str, val1, val2)
-char * str;
-int val1, val2;
-{
- static char buf[128];
- int i;
- int flg=0;
-
- memset(buf, '\0', sizeof(buf));
- sprintf(buf, str, val1, val2);
-
- for(i=0; i<80; i++)
- {
- if( buf[i] == '\0' )
- {
- if( sysline[i] == 0x7000 )
- break;
- else
- sysline[i] = 0x7000;
- }
- else
- {
- if( flg == 1 || buf[i] != ' ' )
- sysline[i] = buf[i]|(0x7000);
- else
- sysline[i] = 0x7000;
- if( buf[i] != ' ' ) flg = 1;
- }
- }
- syslinedirty = 1;
- if( syslineno == -1 ) syslinetmp = 1;
-#if SYSLKEY == EXITKEY
- sysline_warn = 0;
-#endif
-}
-
-/***************************************************************************
- * Hardware screen, print character.
- */
-void
-putscrn(c)
-int c;
-{
-#ifdef AVATAR
- extern int avcnt;
-#endif
-#ifdef ZMODEM
-static lastchar = ' ';
-#endif
-
-#ifdef SAVEBLOCK
- if( save_flag && c != '\0' )
- {
- *save_ptr++ = c;
- if( save_ptr >= save_buf+sizeof(save_buf) ) save_ptr = save_buf;
- }
-#endif
-
- if(0);
-#ifdef AVATAR
- else if( avcnt > 0 || ( avcnt == 0 && ( c == '\026' || c == '\031')))
- do_avatar(c);
-#endif
-#ifdef ZMODEM
- else if( c == 24 && lastchar == '*' ) /* CTRL-X */
- {
-#ifdef TSRPROG
- if( !tsrflag )
-#endif
- {
- system("dsz d handshake slow rz -rr");
- fetch_page();
- curpage->dirtypg = 1;
- }
- }
-#endif
- else
- putansi(c);
-
-#ifdef ZMODEM
- lastchar = c;
-#endif
-
-#ifdef SAVEBLOCK
- if( read_flag == 0 )
-#endif
- {
-static int cnt = 1000;
- if( c == '\n' ) cnt -= 80;
- if( --cnt < 0 )
- {
- cnt=1000;
- update_page();
- }
- }
-}
-
-/***************************************************************************
- * Hardware screen, decode ansi sequence.
- */
-void
-putansi(c)
-int c;
-{
-static int ansi_state=0;
- int i;
- c &= 0xFF;
-
- if( ansi_state <= 3 ) switch ( c )
- {
- case '\t': i = (8 - (curpage->col&7) );
- curpage->col += i;
- if( curpage->col > line_len )
- curpage->col = line_len;
- return;
-
- case '\r': curpage->col = 0;
- return;
-
- case '\b': if( curpage->col )
- curpage->col--;
- return;
-
- case '\n': curpage->line++;
- if( curpage->line == scr_len ) scroll(0, scr_len-1, 1);
- return;
-
-#if defined(SCO_ANSI) || defined(AVATAR)
- case '\f': scroll( scr_len-1, 0, scr_len);
- curpage->line=0;
- curpage->col=0;
- return;
-#endif
-
-#ifdef OLDBEEPER
- case '\007':beep_on();
- return;
-#endif /* OLDBEEPER */
-#ifdef BEEPER
- case '\007':beep_on();
- return;
-#endif /* BEEPER */
-
- case '\030':ansi_state = 0; /* Ctrl-X */
- return;
-
- case '\032':ansi_state = 0; /* Ctrl-Z */
- rawput(0xA8);
- return;
-
- case '\033':if( phy_scr.dumb == 0 )
- {
- ansi_state = 1;
-
- for(argc=0; argc<10; argc++) args[argc] = 0;
- argc = 0;
- tchar = 0;
- echar = 0;
-
- return;
- }
- /*FALLTHROUGH*/
- }
-
- switch(ansi_state)
- {
- default:ansi_state =0;
-
- case 0: if( c < ' ' && phy_scr.dumb == 0 ) break;
- litput(c);
- break;
-
- case 1: switch(c)
- {
- case '\\': /* NO-OP if not in DCS string */
- ansi_state = 0;
- break;
- case 'P':
- dcs_ptr = dcs;
- ansi_state = 2;
- break;
- case '[':
- dcs_ptr = 0;
- ansi_state = 2;
- break;
- case '(':
- ansi_state = 8;
- break;
- case '7':
- curpage->sline = curpage->line;
- curpage->scol = curpage->col;
- ansi_state = 0;
- break;
- case '8':
- set_pos(curpage->sline, curpage->scol);
- ansi_state = 0;
- break;
-#ifdef AT_BIOS_KEY
- case '>':
- curpage->key_mode = 0;
- ansi_state = 0;
- break;
- case '=':
- curpage->key_mode = 1;
- ansi_state = 0;
- break;
- case '<':
- curpage->key_mode = 2;
- ansi_state = 0;
- break;
-#endif
-#ifdef SCO_REMAP
- case 'Q':
- ansi_state = 10;
- break;
-#endif
- default:
- ansi_state = 0;
- rawput('\033');
- rawput(c);
- break;
- }
- break;
-
- case 2: if(( c >= ' ' && c < '0' ) || c == ':' || ( c > ';' && c <= '?' ))
- {
- tchar = c;
- ansi_state = 3;
- break;
- }
- case 3: if( c >= '0' && c <= '9' )
- {
- args[argc] = args[argc]*10 + c - '0';
- break;
- }
- else if(c == ';' )
- {
- if( ++argc >= 10 )
- {
- ansi_state = 0;
- break;
- }
- args[argc] = 0;
- break;
- }
- else if( c >= '@' && c <= '~' )
- {
- echar = c;
- if( dcs_ptr == 0 )
- {
- ansi_state = 0;
- do_ansi( echar, tchar, args, argc+1 );
- }
- else
- {
- ansi_state = 4;
- break;
- }
- }
- ansi_state = 0;
- break;
-
- /* DCS ... ST processing */
- case 4: if( c == '\030' || dcs_ptr >= dcs+sizeof(dcs)-1 )
- ansi_state = 0;
- else if( c == '\033' )
- ansi_state = 5;
- else
- *dcs_ptr++ = c;
- break;
-
- case 5: if( c != '\\' )
- {
- if( dcs_ptr >= dcs+sizeof(dcs)-2 || c == '\030' )
- ansi_state = 0;
- else
- {
- *dcs_ptr++ = '\033';
- if( c != '\033' ) { *dcs_ptr++ = c; ansi_state = 4; }
- }
- break;
- }
- *dcs_ptr = '\0';
- ansi_state = 0;
-
- if( tchar == '$' && echar == '~' )
- {
- dcs[80] = 0;
- if( *dcs ) message("%s", dcs);
- else
- {
- syslineno = -1;
- sysline_warn = 0;
- }
- }
- break;
-
- /* ESC ( <n> Screen language processing */
- case 8: ansi_state =0;
- switch(c)
- {
- case 'X': curpage->chartran = 0; break;
- case 'B': curpage->chartran = 1; break;
- case '0': curpage->chartran = 2; break;
- case 'A': curpage->chartran = 3; break;
-
- case 'U': curpage->chartran = 0; break;
- case 'u': curpage->chartran = 4; break;
-
- default: curpage->chartran = -1; break;
- }
- break;
-
- /* SCO Function key remapping */
-#ifdef SCO_REMAP
- case 10: echar = c-'0'; /* FUNCTION KEY NUMBER 0=F1 .. 9=F10 */
- message("Define function key %d", echar+1);
- ansi_state = 11;
- break;
-
- case 11: tchar = c;
- ansi_state = 12;
- break;
-
- case 12: if( c == tchar ) ansi_state = 0;
- if( echar >=0 && echar < KEYTABSIZE )
- {
- if( c == tchar )
- {
- set_key(echar);
- kbtab[keyxlate[echar]] = (0x300|echar);
- }
- else if( c != '^' )
- add_fnchar(c);
- else
- ansi_state = 13;
- }
- break;
- case 13: if( c == tchar ) ansi_state = 0; else ansi_state = 12;
- if( echar >=0 && echar < KEYTABSIZE )
- {
- if( c == tchar )
- {
- set_key(echar);
- kbtab[keyxlate[echar]] = (0x300|echar);
- }
- else if( c != '^' )
- add_fnchar(c& 0x1F);
- else
- add_fnchar(c);
- }
- break;
-#endif
-
- }
-}
-
-/***************************************************************************
- * Hardware screen, Write any byte to screen through the translation table.
- */
-
-unsigned char iso8859_1[] = {
- 4, 177, -1, -1, -1, -1, 248, 241, 176, -1, 217, 191, 218, 192, 197, -1,
- -1, 196, -1, 95, 195, 180, 193, 194, 179, 243, 242, 227, -1, 156, 250, -1,
-
-255, 173, 155, 156, 9, 157, 124, 21, 34, 67, 166, 174, 170, 45, 82, 196,
-248, 241, 253, 51, 39, 230, 20, 250, 44, 49, 167, 175, 172, 171, 51, 168,
- 65, 65, 65, 65, 142, 143, 146, 128, 69, 144, 69, 69, 73, 73, 73, 73,
- 68, 165, 79, 79, 79, 79, 153, 120, 237, 85, 85, 85, 154, 89, 80, 225,
-133, 160, 131, 97, 132, 134, 145, 135, 138, 130, 136, 137, 141, 161, 140, 139,
- 11, 164, 149, 162, 147, 111, 148, 246, 237, 151, 163, 150, 129, 121, 112, 152
-};
-/* Yes I know, a good compiler should complain about that array */
-
-void
-litput(c)
-int c;
-{
- c &= 0xFF;
- if( curpage->charflip ) c ^= 0x80;
- if( curpage->chartran ) switch( curpage->chartran )
- {
- case 1:
- if( (c&0x80) )
- {
- if( c&0x60 ) c = iso8859_1[c&0x7F];
- else c &= 0x1F;
- }
- break;
- case 2:
- if( c >= 0x60 && c < 0x80 ) c = iso8859_1[c&0x1F];
- break;
- case 3:
- if( c == '#' ) { c = 156; break; }
- c &= 0x7F;
- default:
- if( c < ' ' || c > '~' ) c = -1;
- break;
-
- case 4:
- c &= 0x7F;
- break;
- }
- rawput(c);
-}
-
-void
-rawput(c)
-int c;
-{
- c &= 0xFF;
- if( curpage->col >= line_len )
- {
- curpage->line++;
- curpage->col=0;
- if( curpage->line == scr_len ) scroll(0, scr_len-1, 1);
- }
- curpage->lines[curpage->line][curpage->col] = c + (curpage->attr<<8);
- curpage->dirty[curpage->line] = 1;
- curpage->col++;
-#ifdef SCO_ANSI
- if( curpage->am && curpage->col == line_len )
- {
- if( curpage->am & 2 )
- curpage->col--;
- else
- {
- curpage->line++; curpage->col=0;
- }
- if( ( curpage->am & 1 ) && curpage->line == scr_len )
- scroll(0, scr_len-1, 1);
- }
-#endif
-}
-
-/***************************************************************************
- * Hardware screen, Set the virtual cursor position.
- */
-void
-set_pos(line, col)
-int line;
-int col;
-{
- curpage->line = line;
- curpage->col = col;
- if( curpage->line < 0 ) curpage->line = 0;
- if( curpage->line >= scr_len ) curpage->line = scr_len-1;
- if( curpage->col < 0 ) curpage->col = 0;
- if( curpage->col >=line_len ) curpage->col = line_len-1;
-}
-
-/***************************************************************************
- * Hardware screen, Write screen image to physical screen.
- */
-void
-update_page()
-{
- int i;
-
- if( curpage->col != phy_scr.col || curpage->line != phy_scr.line )
- {
- int c;
- phy_scr.col = curpage->col;
- phy_scr.line = curpage->line;
-
- if( curpage->col == line_len )
- c = line_len-1;
- else
- c = curpage->col;
- move_cur(curpage->line, c);
- }
-
- if( syslineno == curpage->line )
- syslineno = scr_len -1 -syslineno;
-
- if( curpage->dirtypg )
- {
- syslineold = syslineno;
- syslinedirty = 0;
- }
-
- if( syslinetmp && syslineold == -1 )
- {
- if( curpage->line == 0 )
- syslineno = scr_len-1;
- else
- syslineno = 0;
- syslineold = syslineno;
- }
-
- if( syslineold != syslineno )
- {
- if( syslinetmp )
- {
- syslinetmp = 0;
- syslineno = -1;
- }
- if( syslineold != -1 )
- curpage->dirty[syslineold] = 1;
- if( syslineno != -1 )
- syslinedirty = 1;
- syslineold = syslineno;
- }
-
- for(i=0; i<scr_len; i++)
- if( curpage->dirtypg || curpage->dirty[i] )
- {
-#ifdef FLDATTR
- copyattr(i);
-#endif
- updateline(i);
- }
-
- if( syslineno != -1 && syslinedirty )
- updateline(syslineno);
- curpage->dirtypg = 0;
-}
-
-#ifdef FLDATTR
-copyattr(lno)
-int lno;
-{
-int i;
-int lastattr = -1;
-
- for(i=0; i<line_len; i++)
- {
- if((curpage->lines[lno][i]&0xFF) == 0xFF)
- lastattr = (curpage->lines[lno][i]&0xFF00);
- if( lastattr != -1 )
- curpage->lines[lno][i] = ((curpage->lines[lno][i]&0xFF)|lastattr);
- }
-}
-#endif
-
-void
-updateline(to)
-int to;
-{
- int ll = line_len*2;
- char far * ptr;
-
- curpage->dirty[to] = 0;
- if( to == syslineno )
- {
- ptr = (char far *) sysline;
- syslinedirty = 0;
- }
- else
- ptr = (char far *)(curpage->lines[to]);
- movedata(FP_SEG(ptr), FP_OFF(ptr),
- FP_SEG(phy_scr.scrptr), ll*to,
- ll);
-}
-
-/***************************************************************************
- * Hardware screen, Fetch physical screen into image memory.
- */
-void
-fetch_page()
-{
- int i;
-
- iregs.h.ah = 3;
- iregs.h.bh = page_no;
- intvid(iregs);
- curpage->line = iregs.h.dh;
- curpage->col = iregs.h.dl;
-
- for(i=0; i<scr_len; i++)
- fetch_line(i);
-}
-
-void
-fetch_line(from)
-int from;
-{
- int ll = line_len*2;
- char far * ptr;
- if( from == syslineno ) return;
- ptr = (char far *)(curpage->lines[from]);
- movedata(FP_SEG(phy_scr.scrptr), ll*from,
- FP_SEG(ptr), FP_OFF(ptr),
- ll);
-}
-
-/***************************************************************************
- * Hardware screen, apply an ansi sequence to the current screen image.
- */
-void
-do_ansi( cmd, subcmd, args, argc )
-int cmd;
-int subcmd;
-int * args;
-int argc;
-{
- int ar;
-static int colconv[] = { 000, 004, 002, 006, 001, 005, 003, 007,
- 010, 014, 012, 016, 011, 015, 013, 017 };
- switch( subcmd )
- {
- case 0: switch( cmd )
- {
-#ifdef SCO_ANSI
- case '@': inch(args[0]);
- break;
-#endif
- case 'A': if( args[0] < 1 ) args[0] = 1;
- set_pos(curpage->line-args[0], curpage->col);
- break;
-#ifdef SCO_ANSI
- case 'E': curpage->col = 0;
- /* FALLTHROUGH */
- case 'e':
-#endif
- case 'B': if( args[0] < 1 ) args[0] = 1;
- set_pos(curpage->line+args[0], curpage->col);
- break;
-#ifdef SCO_ANSI
- case 'a':
-#endif
- case 'C': if( args[0] < 1 ) args[0] = 1;
- curpage->col += args[0];
- if( curpage->col >= line_len )
- curpage->col = line_len -1;
- break;
- case 'D': if( args[0] < 1) args[0] = 1;
- curpage->col -= args[0];
- if( curpage->col < 0 )
- curpage->col = 0;
- break;
-#ifdef SCO_ANSI
- case 'F': if( args[0] < 1 ) args[0] = 1;
- set_pos(curpage->line-args[0], 0);
- break;
-#endif
- case 'f':
- case 'H': set_pos(args[0]-1, args[1]-1);
- break;
- case 'J': /* cls */
- if( args[0] == 2)
- {
- scroll( scr_len-1, 0, scr_len);
- curpage->line=0;
- curpage->col=0;
- }
- else if( args[0] == 0 )
- {
- clr_eol();
- if( curpage->line != scr_len-1 )
- scroll( scr_len-1, curpage->line+1, scr_len);
- }
- else if( args[0] == 1 )
- {
- clr_sol();
- if( curpage->line != 0 )
- scroll( curpage->line-1, 0, scr_len);
- }
- break;
- case 'K': /* Clear eol */
- if(args[0] == 0 )
- clr_eol();
- else if(args[0] == 1 )
- clr_sol();
- else if(args[0] == 2 )
- clrline(curpage->line);
- break;
-
-#ifdef SCO_ANSI
- case 'L': scroll(scr_len-1, curpage->line, args[0]);
- break;
-
- case 'M': scroll(curpage->line, scr_len-1, args[0]);
- break;
-
- case 'P': delch(args[0]);
- break;
-
- case 'S': scroll(0, scr_len-1, args[0]);
- break;
-
- case 'T': scroll(scr_len-1, 0, args[0]);
- break;
-
- case 'X': zapch(args[0]);
- break;
-
- case 'Z': if( args[0] == 0 ) args[0] = 1;
- set_pos(curpage->line,((curpage->col+7-8*(args[0]))&-8));
- break;
-#endif
-#ifdef PRINTER
- case 'i': if( args[0] == 5 )
- {
- if( args[1] > 0 && args[1] < 3 ) print_dev = args[1];
- else print_dev = 0;
- in_transprt = 1;
- }
- break;
-#endif
-
- case 'm': /* Attributes */
- for(ar=0; ar<argc; ar++)
- switch(args[ar])
- {
- case 0: curpage->attr = curpage->std_col;
- break;
- case 1: curpage->attr |= 0x08;
- break;
-#ifdef SCO_ANSI
- case 2: if( dos_mode != 2 && dos_mode != 7 && ar+2<argc )
- {
- curpage->std_col = colconv[args[ar+1]&0xF]
- + (colconv[args[ar+2]&0xF] << 4);
- curpage->attr = curpage->std_col;
- if( args[ar+2]&0x8 )
- set_blink(0);
- ar+=2;
- }
- break;
- case 3: if( dos_mode != 2 && dos_mode != 7 && ar+1<argc )
- {
- set_blink(args[++ar]);
- }
- break;
-#endif
- case 4: if( dos_mode == 7 )
- curpage->attr = ((curpage->attr & 0xF0)|0x01);
- break;
- case 5: curpage->attr |= 0x80;
- set_blink(1);
- break;
- case 7:
-#ifdef SCO_ANSI
- if( dos_mode != 2 && dos_mode != 7 && ar+2<argc )
- {
- curpage->rev_col = colconv[args[ar+1]&0xF]
- + (colconv[args[ar+2]&0xF] << 4);
- if( args[ar+2]&0x8 )
- set_blink(0);
- ar+=2;
- }
-#endif
- curpage->attr = curpage->rev_col;
- break;
- case 8: curpage->attr = 0;
- break;
-#ifdef SCO_ANSI
- case 10:curpage->charflip = 0;
- curpage->attr = curpage->std_col;
- break;
- case 12:curpage->charflip = 1;
- curpage->attr = curpage->gr_col;
- break;
-#endif
- case 30:case 31:case 32:case 33:
- case 34:case 35:case 36:case 37:
- if( dos_mode != 2 && dos_mode != 7 )
- curpage->attr = ((curpage->attr & 0xF8)
- |(colconv[args[ar]-30]));
- break;
- case 40:case 41:case 42:case 43:
- case 44:case 45:case 46:case 47:
- if( dos_mode != 2 && dos_mode != 7 )
- curpage->attr
- = ((curpage->attr & 0x8F)
- |((colconv[args[ar]-40]&0x7)<<4));
- break;
- }
- if( curpage->honour_attr )
- curpage->clr_col = curpage->attr;
- break;
-#ifdef SCO_ANSI
- case 'g': if( curpage->col == line_len )
- {
- curpage->line++;
- curpage->col=0;
- if( curpage->line == scr_len )
- scroll(0, scr_len-1, 1);
- }
- curpage->lines[curpage->line][curpage->col] =
- args[0] + (curpage->gr_col<<8);
- curpage->dirty[curpage->line] = 1;
- curpage->col++;
- break;
-#endif
- case '}':
-#if MAXPAGE != 1
- if( args[0] == 0 )
- {
- args[1] %= MAXPAGE;
- if( args[1] == phy_scr.this_page ) break;
- if( pages[args[1]].page == 0 )
- {
- phy_scr.this_page = args[1];
- curpage= pages+phy_scr.this_page;
- if( reset_page() < 0 )
- phy_scr.this_page = 0;
- }
- else
- {
- phy_scr.this_page = args[1];
- curpage= pages+phy_scr.this_page;
- curpage->dirtypg = 1;
- }
- curpage= pages+phy_scr.this_page;
- }
-#endif
-#ifdef SAVEBLOCK
- if(args[0] == 1)
- {
- if( read_flag ) break;
- read_flag = 1; save_flag = 0;
- read_block(args[1]);
- read_flag = 0;
- }
- else if( args[0] == 2 && argc == 1 )
- {
- if( read_flag ) break;
- save_flag = 1;
- save_ptr = save_buf;
- }
- else if( args[0] == 2)
- {
- if( read_flag ) break;
- save_block(args[1]);
- }
-#endif
- break;
- case 's':
- curpage->sline = curpage->line;
- curpage->scol = curpage->col;
- break;
- case 'u':
- set_pos(curpage->sline, curpage->scol);
- break;
- }
- break;
-
-#ifdef SCO_ANSI
- case '=': switch( cmd )
- {
-#ifdef OLDBEEPER
- case 'B': beep_set(args[0], args[1]);
- break;
-#endif
-#ifdef BEEPER
- case 'B': beep_set(args[0], args[1]);
- break;
-#endif
- case 'C': /* set cursor (0=>norm, 1=>off, 2=>big, x;y=>setit */
- if( argc <= 1 ) set_curtype(args[0]-1,0,15);
- if( argc == 2 ) set_curtype(2,args[0],args[1]);
- break;
- case 'E': /* set cursor */
- set_blink(args[0]);
- break;
- case 'F': if( dos_mode != 2 && dos_mode != 7 )
- curpage->std_col = ((curpage->std_col & 0xF0)
- |(args[0]&0xF));
- break;
- case 'G': if( dos_mode != 2 && dos_mode != 7 )
- curpage->std_col = ((curpage->std_col & 0x0F)
- |((args[0]&0xF)<<4));
- break;
- case 'H': if( dos_mode != 2 && dos_mode != 7 )
- curpage->rev_col = ((curpage->rev_col & 0xF0)
- |(args[0]&0xF));
- break;
- case 'I': if( dos_mode != 2 && dos_mode != 7 )
- curpage->rev_col = ((curpage->rev_col & 0x0F)
- |((args[0]&0xF)<<4));
- break;
- case 'J': if( dos_mode != 2 && dos_mode != 7 )
- curpage->gr_col = ((curpage->gr_col & 0xF0)
- |(args[0]&0xF));
- break;
- case 'K': if( dos_mode != 2 && dos_mode != 7 )
- curpage->gr_col = ((curpage->gr_col & 0x0F)
- |((args[0]&0xF)<<4));
- break;
- }
- break;
-
- case '?': if( cmd == 'l' || cmd == 'h' )
- {
- int flg = (cmd == 'h');
- switch(args[0])
- {
- case 7: curpage->am = flg; break;
- }
- }
- break;
-#endif
- }
-}
-
-/***************************************************************************
- * Hardware screen, scroll a set of lines on the cur screen.
- */
-void
-scroll(from, to, lines)
-int from, to, lines;
-{
- int win, tomove, toclr, dir, line, c;
- int * tmp;
-
- if( curpage->line == scr_len) curpage->line--;
- if( lines <= 0 ) lines = 1;
-
- dir = 1;
- if( from > to ) { dir = from ; from = to ; to = dir ; dir = -1 ;}
- win = to-from+1;
- if( lines > win ) lines = win;
- tomove = win - lines;
- toclr = lines;
-
- if( dir == 1 )
- {
- for(line=from; tomove>0; tomove--, line++)
- {
- tmp = curpage->lines[line];
- curpage->lines[line] = curpage->lines[line+lines];
- curpage->lines[line+lines] = tmp;
- curpage->dirty[line] = 1;
- curpage->dirty[line+lines] = 1;
- }
- for(line=to; toclr>0; toclr--, line--)
- {
- clrline(line);
- }
- }
- else
- {
- for(line=to; tomove>0; tomove--, line--)
- {
- tmp = curpage->lines[line];
- curpage->lines[line] = curpage->lines[line-lines];
- curpage->lines[line-lines] = tmp;
- curpage->dirty[line] = 1;
- curpage->dirty[line+lines] = 1;
- }
- for(line=from; toclr>0; toclr--, line++)
- {
- clrline(line);
- }
- }
-}
-
-/***************************************************************************
- * Hardware screen, clear one line.
- */
-void
-clrline(to)
-int to;
-{
- int * toptr = curpage->lines[to];
- int chars = line_len;
- int pattern = ' ' + (curpage->clr_col << 8 );
-
- curpage->dirty[to] = 1;
-
- do
- {
- *toptr++ = pattern;
- chars--;
- }
- while( chars );
-}
-
-/***************************************************************************
- * Hardware screen, clear one page, reset dynamic values.
- */
-int
-reset_page()
-{
-static int *sys_page = 0, **sys_lines, *sys_dirty;
- int i;
-
- if( sys_page == 0 )
- {
- sys_page = (int*) malloc(scr_len*line_len*2);
- sys_lines = (int**) malloc(scr_len*sizeof(int*));
- sys_dirty = (int*) malloc(scr_len*sizeof(int));
- if( sys_page == 0 || sys_lines == 0 || sys_dirty == 0 )
- return -1;
- }
-
- if( !curpage->reset_done )
- {
- curpage->charflip = 0;
- curpage->chartran = 0;
- curpage->attr = 0x07;
- curpage->std_col = 0x07;
- curpage->rev_col = 0x70;
- curpage->gr_col = 0x07;
- curpage->clr_col = 0x07;
- curpage->line = 0;
- curpage->col = 0;
- curpage->dirtypg = 1;
-
-#ifdef AT_BIOS_KEY
- curpage->key_mode = 0;
-#endif
- curpage->am = 1;
- curpage->honour_attr = 1;
-
-#ifdef LINUX_DEFAULTS
- curpage->honour_attr = 0;
- curpage->chartran = 1;
-#endif
- curpage->reset_done = 1;
- }
-
-#if MAXPAGE != 1
- if( pages[phy_scr.this_page].page == 0
- || pages[phy_scr.this_page].lines == 0
- || pages[phy_scr.this_page].dirty == 0 )
- {
- pages[phy_scr.this_page].page = (int*) malloc(scr_len*line_len*2);
- pages[phy_scr.this_page].lines = (int**) malloc(scr_len*sizeof(int*));
- pages[phy_scr.this_page].dirty = (int*) malloc(scr_len*sizeof(int));
- }
-#endif
-
- /* Out of memory, use the default page */
- if( pages[phy_scr.this_page].page == 0
- || pages[phy_scr.this_page].lines == 0
- || pages[phy_scr.this_page].dirty == 0 )
- {
- if(pages[phy_scr.this_page].page ) free(pages[phy_scr.this_page].page);
- if(pages[phy_scr.this_page].lines) free(pages[phy_scr.this_page].lines);
- if(pages[phy_scr.this_page].dirty) free(pages[phy_scr.this_page].dirty);
-
- for(i=0; i<MAXPAGE; i++) if( pages[phy_scr.this_page].page == sys_page )
- {
- pages[i].page = 0;
- pages[i].lines = 0;
- pages[i].dirty = 0;
- }
-
- pages[phy_scr.this_page].page = sys_page;
- pages[phy_scr.this_page].lines = sys_lines;
- pages[phy_scr.this_page].dirty = sys_dirty;
- }
-
- for(i=0; i<scr_len; i++)
- pages[phy_scr.this_page].lines[i]
- = pages[phy_scr.this_page].page+line_len*i;
-
- scroll( scr_len-1, 0, scr_len);
-
- return 0;
-}
-
-/***************************************************************************
- * Hardware screen, clear to end of line
- */
-void
-clr_eol()
-{
- int pattern = ' ' +(curpage->clr_col << 8 );
- int * toptr = curpage->lines[curpage->line]+curpage->col;
- int x = curpage->col;
-
- curpage->dirty[curpage->line] = 1;
- while( x < line_len )
- {
- *toptr++ = pattern;
- x++;
- }
-}
-
-/***************************************************************************
- * Hardware screen, clear to start of line
- */
-void
-clr_sol()
-{
- int pattern = ' ' +(curpage->clr_col << 8 );
- int * toptr = curpage->lines[curpage->line]+curpage->col;
- int x = curpage->col;
-
- curpage->dirty[curpage->line] = 1;
- while( x >= 0 )
- {
- *toptr-- = pattern;
- x--;
- }
-}
-
-/***************************************************************************
- * Hardware screen, delete some characters.
- */
-void
-delch(chars)
-int chars;
-{
- int pattern = ' ' +(curpage->clr_col << 8 );
- int * toptr = curpage->lines[curpage->line]+curpage->col;
- int x = curpage->col;
- int last;
-
- curpage->dirty[curpage->line] = 1;
- if( chars <=0 ) chars = 1;
- last = line_len-chars;
-
- while( x < last )
- {
- *toptr = toptr[chars];
- toptr++; x++;
- }
-
- while( x < line_len )
- {
- *toptr++ = pattern;
- x++;
- }
-}
-
-#ifdef SCO_ANSI
-/***************************************************************************
- * Hardware screen, insert some characters.
- */
-void
-inch(chars)
-int chars;
-{
- int pattern = ' ' +(curpage->attr << 8 );
- int * toptr = curpage->lines[curpage->line]+line_len-1;
- int x = line_len-1;
- int last;
-
- curpage->dirty[curpage->line] = 1;
- if( chars <= 0 ) chars = 1;
-
- last = curpage->col+chars;
- chars = -chars;
-
- while( x >= last )
- {
- *toptr = toptr[chars];
- toptr--; x--;
- }
-
- while( x >= curpage->col )
- {
- *toptr-- = pattern;
- x--;
- }
-}
-
-/***************************************************************************
- * Hardware screen, clear some characters.
- */
-void
-zapch(chars)
-int chars;
-{
- int pattern = ' ' +(curpage->clr_col << 8 );
- int * toptr = curpage->lines[curpage->line]+curpage->col;
- int x = curpage->col;
- int last;
-
- curpage->dirty[curpage->line] = 1;
- if( chars <= 0 ) chars = 1;
-
- last = curpage->col+chars;
- if( last > line_len ) last = line_len;
-
- while( x < last )
- {
- *toptr++ = pattern;
- x++;
- }
-}
-#endif
-
-/***************************************************************************
- * Hardware screen, init video, detect physical screen size and location
- * if it's in a graphic mode complain.
- */
-void
-init_vid()
-{
- union REGS ioregs;
- int phy_mode=0;
- char *p;
-
- phy_scr.scrptr = (int far *) 0xB0000000;
- phy_scr.dumb = 0;
- phy_scr.line = -1;
- phy_scr.col = -1;
-
- ioregs.x.ax = 0x0500;
- intvid(ioregs);
-
- ioregs.h.ah = 15;
- intvid(ioregs);
- dos_mode = ioregs.h.al;
- line_len = ioregs.h.ah;
- page_no = ioregs.h.bh;
-
- ioregs.h.ah = 3;
- ioregs.h.bh = page_no;
- intvid(ioregs);
- dos_cur = ioregs.x.cx;
- dos_line = ioregs.h.dh;
- dos_col = ioregs.h.dl;
-
- ioregs.x.ax = 0x1130; /* EGA bios info */
- ioregs.x.dx = 0;
- ioregs.h.bh = 0;
- intvid(ioregs);
- if( ioregs.x.dx )
- {
- is_ega_plus = 1;
- scr_len = ioregs.x.dx+1;
-
- if( ioregs.x.cx < 13 )
- dos_cur = 0x0405;
- else if( dos_mode == 7 )
- dos_cur = 0x0C0D;
- else
- dos_cur = 0x0607;
- }
- else
- {
- is_ega_plus = 0;
- scr_len = 25;
- }
-
- if( dos_mode == 7 )
- phy_mode=1;
- else
- if(dos_mode == 2 || dos_mode == 3)
- {
- phy_scr.scrptr = (int far * ) 0xB8000000;
- phy_mode=1;
- }
- else if( dos_mode > 0x13 )
- phy_mode = test_svga_mode();
-
- if( line_len < 80 )
- {
- printf("Screen needs to be at least 80 cols\r\n");
- exit(0);
- }
- if(phy_mode==0) { printf("Unusable display mode\n"); exit(1); }
-
- phy_scr.this_page = 0;
- if( reset_page() < 0 )
- {
- printf("Memory failure, cannot allocate screen memory\n");
- exit(1);
- }
-
- putscrn('\r');
- putscrn('\n');
- set_curtype(-1,0,0);
- set_blink(1);
-}
-
-/***************************************************************************
- * Hardware screen, test for an svga text mode.
- */
-int
-test_svga_mode()
-{
- union REGS ioregs;
- int ch;
-
- phy_scr.scrptr = (int far * ) 0xB8000000;
-
- ioregs.h.ah = 8;
- ioregs.h.bh = page_no;
- intvid(ioregs);
-
- ch = phy_scr.scrptr[dos_line*line_len+dos_col];
- if( ch != ioregs.x.ax ) return 0;
- phy_scr.scrptr[dos_line*line_len+dos_col] = ~ch;
-
- ioregs.h.ah = 8;
- ioregs.h.bh = page_no;
- intvid(ioregs);
-
- phy_scr.scrptr[dos_line*line_len+dos_col] = ch;
- if( ( ~ch ) != ioregs.x.ax ) return 0;
- return 1;
-}
-
-/***************************************************************************
- * Hardware screen, reset the physical screen back to normal.
- */
-void end_vid()
-{
- move_cur(scr_len-1, 0);
- set_blink(1);
- set_curtype(-1,0,0);
-}
-
-/***************************************************************************
- * Hardware screen, set the screen blink mode (blink or bg bold).
- */
-void
-set_blink(flg)
-int flg;
-{
- union REGS regs;
-static int last = -1;
-static int first = 1;
-
-/* This takes far too long (~ 8ms ) on some bioses.
- * It apparently waits for a screen retrace and even then it isn't reliable.
- * Will have to go directly to the HW only problem is how to do it
- */
-
- if( !is_ega_plus ) return;
-
- flg = (flg != 0);
- if( flg == last ) return;
-
- regs.h.ah = 0x10;
- regs.h.al = 0x03;
- regs.h.bl = last = flg;
-
- int86(0x10, ®s, ®s);
-
- if( first && flg == 0 ) /* Workaround on some EGA's */
- {
- regs.h.ah = 0x06;
- regs.h.al = 0x00;
- regs.h.bh = 0x00;
- regs.h.ch = 1;
- regs.h.cl = 1;
- regs.h.dh = 1;
- regs.h.dl = 1;
- int86(0x10, ®s, ®s);
- curpage->dirty[1] = 1;
- first = 0;
- }
-}
-
-/***************************************************************************
- * Hardware screen, set the physical cursor position.
- */
-void
-move_cur(row, col)
-int row, col;
-{
- union REGS ioregs;
- ioregs.h.ah = 2;
- ioregs.h.bh = page_no;
- ioregs.h.dh = row;
- ioregs.h.dl = col;
- intvid(ioregs);
-}
-
-/***************************************************************************
- * Hardware screen, set the physical cursor type.
- */
-void
-set_curtype(a,top,bot)
-int a, top, bot;
-{
- union REGS ioregs;
- ioregs.h.ah = 1;
- ioregs.x.cx = dos_cur;
- if( a == 0 ) ioregs.h.ch = 0x10;
- if( a == 1 ) ioregs.h.ch = 0;
- if( a == 2 ) { ioregs.h.ch = top; ioregs.h.cl = bot; }
- intvid(ioregs);
-}
-
-#endif
-
-#ifdef SAVEBLOCK
-/***************************************************************************
- * Routines to save a chunk of data for a screen macro.
- */
-
-void
-read_block(blk)
-int blk;
-{
- char * p;
- if( blk < 0 || blk > max_blk ) return;
-
- p = blocks[blk];
- if( p ) while( *p ) putscrn(*p++ & 0xFF);
-}
-
-void
-save_block(blk)
-int blk;
-{
- if( blk < 0 || blk > max_blk ) return;
- if( save_flag == 0 ) return;
- *save_ptr++ = '\0';
- if( blocks[blk] ) free(blocks[blk]);
- blocks[blk] = malloc(save_ptr-save_buf);
- if( blocks[blk] )
- strcpy(blocks[blk], save_buf);
-}
-
-#endif
-
-#ifndef RS8250
-/***************************************************************************
- * BIOS serial routines, also fossil driver compatible.
- */
-
-int port_no;
-
-void
-setup(port, flags)
-int port, flags;
-{
- int c;
- port_no = port;
-
- iregs.h.ah = FOSINIT;
- iregs.x.dx = port_no;
- iregs.x.bx = 0;
- int86(RS232, &iregs, &oregs);
- if( oregs.x.ax == 0x1954 )
- {
- if( oregs.h.bh >= 4 )
- {
- isfossil = oregs.h.bh;
- fossilfunc = oregs.h.bl;
- }
- }
-
- iregs.h.ah = INITRS;
- iregs.x.dx = port_no;
- iregs.h.al = flags;
-
- int86(RS232, &iregs, &oregs);
-}
-
-void
-clearup()
-{
-}
-
-/***************************************************************************
- * BIOS serial routines, transmit character
- */
-void
-do_xmit()
-{
- int ch;
- ch = *xmit_get++;
- if( xmit_get == xmit_put ) xmit_get = xmit_put = xmit_buf;
-
- iregs.h.ah = WRITECH;
- iregs.x.dx = port_no;
- iregs.h.al = ch;
- int86(RS232, &iregs, &oregs);
-
- if( oregs.h.ah & 0x80 )
- printf("Write Failed (0x%x)\r\n", oregs.h.ah);
-}
-
-/***************************************************************************
- * BIOS serial routines, receive character
- *
- * Note the _long_ loop for successful collection of bytes so this can
- * actually work moderatly reliably upto about 9600 bps even with a
- * bios that doesn't use interrupts.
- */
-void
-serial()
-{
- int c;
- int cnt = 2048; /* Lots but eventually will break */
-
- do_xmit();
-
- while((c=chrdy()) >=0)
- {
-#ifdef PRINTER
- if( in_transprt )
- putprnt(c);
- else
-#endif
- putscrn(c);
- if( cnt-- < 0 ) break;
- }
-#ifdef MEM_SCR
- update_page();
-#endif
-}
-
-/***************************************************************************
- * BIOS serial routines, get character from bios is ready.
- */
-int
-chrdy()
-{
- iregs.h.ah = STATUS;
- iregs.x.dx = port_no;
- int86(RS232, &iregs, &oregs);
-
- if( oregs.x.ax & DTARDY )
- {
- iregs.h.ah = READCH;
- iregs.x.dx = port_no;
- int86(RS232, &iregs, &oregs);
-
- if( oregs.h.ah & 0x80)
- {
- message("Read Failed 0x%2x", oregs.h.ah);
- return -1;
- }
- else
- return oregs.h.al & mask;
- }
- return -1;
-}
-#endif
-
-/****************************************************************************/
-
-#ifdef RS8250
-/***************************************************************************
- * Hardware serial routines.
- */
-
-int com_phy[] = { 0x3F8, 0x2F8, 0x3E8, 0x2E8 };
-int com_irq[] = { 4, 3, 4, 3 };
-
-#define IRQ_MASK /* 0x88 */ 0x00
-
-int save_bitflgs;
-int port_no;
-int port_addr;
-int port_int;
-int rtsflag = 2;
-
-/***************************************************************************
- * Hardware serial routines, setup port and identify fossil port.
- */
-void
-setup(port, flags)
-int port, flags;
-{
- long i = -1;
- port_no = port;
-
- iregs.h.ah = FOSINIT;
- iregs.x.dx = port_no;
- iregs.x.bx = 0;
- int86(RS232, &iregs, &oregs);
- if( oregs.x.ax == 0x1954 )
- {
- if( oregs.h.bh >= 4 )
- {
- isfossil = oregs.h.bh;
- fossilfunc = oregs.h.bl;
- iregs.h.ah = 0xE0;
- iregs.h.al = 6;
- iregs.x.bx = 0;
- int86(RS232, &iregs, &oregs);
- if( oregs.x.bx == 0x4d58 )
- {
- mnp_fossil = 1;
- }
- }
- }
-
- if( isfossil == 0 )
- {
- port_addr = com_phy[port];
- port_int = 8 + com_irq[port];
-
- save_bitflgs = inp(port_addr+4);
-
- if(flags > 255)
- {
- i = speeds[flags>>5];
- flags &= 0x1F;
- flags |= 0xE0;
- }
- }
- /* else possible message about speed problem */
-
- iregs.h.ah = INITRS;
- iregs.x.dx = port_no;
- iregs.h.al = flags;
-
- int86(RS232, &iregs, &oregs);
-
- if( isfossil == 0 )
- {
- if( i > 0 )
- {
- long brd = 115200L / i;
- outp(port_addr+3, inp(port_addr+3) | 0x80);
- outp(port_addr+0, brd & 0xFF);
- outp(port_addr+1, (brd >> 8) & 0xFF);
- outp(port_addr+3, inp(port_addr+3) & 0x7F);
- }
-
- outp(port_addr+2, 0x47); /* 16550A's FIFO cleared & at 4 char timeout */
- setints();
- outp(port_addr+4, inp(port_addr+4) | 0xB );
- }
-}
-
-/***************************************************************************
- * Hardware serial routines, reset hardware.
- */
-void
-clearup()
-{
- if( isfossil == 0 )
- {
- outp(port_addr+4, save_bitflgs);
- clrints();
- }
-}
-
-/***************************************************************************
- * Hardware serial routines, get character from buffer.
- */
-int
-get_c()
-{
- int c;
- if( isfossil && putptr == empty)
- chfetch();
-
- if(putptr == empty )
- c = -1;
- else
- {
- _disable();
- if(getptr >= full) getptr = empty;
- c = *getptr++;
- nsize--;
- if( nsize == 0 )
- getptr = putptr = empty;
- _enable();
- c &= mask;
- }
-
- if( isfossil == 0 )
- {
- if( rtsflag )
- {
- /* if( nsize>sizeof(empty)/2) rtsflow(1) */ ;
- }
- else
- {
- if( nsize<sizeof(empty)/4) rtsflow(0);
- }
- }
-
- return c;
-}
-
-/***************************************************************************
- * Hardware serial routines, get characters from FOSSIL driver.
- */
-void
-chfetch()
-{
-static struct SREGS sregs;
-
- if( fossilfunc >= 0x18 )
- {
- iregs.h.ah = 0x18;
- iregs.x.cx = sizeof(empty);
- iregs.x.di = (unsigned) empty;
- iregs.x.dx = port_no;
- segread(&sregs);
- sregs.es = sregs.ds;
- int86x(RS232, &iregs, &oregs, &sregs);
- putptr = empty + oregs.x.ax;
- nsize = oregs.x.ax;
- return;
- }
-
- iregs.h.ah = STATUS;
- iregs.x.dx = port_no;
- int86(RS232, &iregs, &oregs);
-
- if( oregs.x.ax & DTARDY )
- {
- iregs.h.ah = READCH;
- iregs.x.dx = port_no;
- int86(RS232, &iregs, &oregs);
-
- if( oregs.h.ah & 0x80)
- message("Read Failed 0x%2x", oregs.h.ah);
- else
- {
- *putptr++ = oregs.h.al & mask;
- nsize++;
- }
- }
-}
-
-/***************************************************************************
- * Hardware serial routines, send characters to port.
- */
-void
-do_xmit()
-{
- int cnt;
- int ch;
- if( xmit_put == xmit_buf ) return;
-
- if( isfossil )
- {
- ch = *xmit_get++;
- if( xmit_get == xmit_put ) xmit_get = xmit_put = xmit_buf;
-
- iregs.h.ah = WRITECH;
- iregs.x.dx = port_no;
- iregs.h.al = ch;
- int86(RS232, &iregs, &oregs);
-
- if( oregs.h.ah & 0x80 )
- message("Write Failed (0x%x)\r\n", oregs.h.ah);
- }
- else
- {
- if( !(inp(port_addr+5) & 0x20) ) return;
-
- ch = *xmit_get++;
- if( xmit_get == xmit_put ) xmit_get = xmit_put = xmit_buf;
-
- outp(port_addr+0, ch);
- }
-}
-
-/***************************************************************************
- * Hardware serial routines, characters from port to screen.
- */
-void
-serial()
-{
- int c;
-
- do_xmit();
-
- if( (c= get_c()) >= 0 )
- {
-#ifdef PRINTER
- if( in_transprt )
- putprnt(c);
- else
-#endif
- putscrn(c);
- }
-#ifdef MEM_SCR
- else
- update_page();
-#endif
-}
-
-/***************************************************************************
- * Hardware serial routines, interrupt handling.
- */
-void ( interrupt far * int_rs_orig) _((void));
-
-void interrupt far int_rs _((void));
-
-void
-setints()
-{
- int c;
- int c1;
-
- int_rs_orig = _dos_getvect(port_int);
-
- _dos_setvect(port_int, int_rs);
-
- outp(port_addr+1, 0x01);
- outp(port_addr+4, inp(port_addr+4)&0xF);
-
- inp(0x21);
- outp(0x21, IRQ_MASK);
-
- inp(port_addr+0);
-}
-
-void
-clrints()
-{
- int c;
-
- _disable();
- c = inp(port_addr+3);
- outp(port_addr+3, c&0x7F);
- outp(port_addr+1, 0);
- outp(port_addr+3, c);
- _enable();
-
- _dos_setvect(port_int, int_rs_orig);
-}
-
-/***************************************************************************
- * Hardware serial routines, interrupt routine.
- *
- * Normally this _only_ reads characters from the serial port, flow control
- * is only asserted if the interrupts are arriving too fast for the main
- * job to run.
- */
-void interrupt far int_rs()
-{
-register int lsr, prt_addr = port_addr;
-
- while( (lsr=inp(prt_addr+5)) & 0x1F )
- {
- if( rtsflag )
- {
- /* Is buffer too full ? */
- if( nsize>sizeof(empty)/4*3 )
- {
- register int i;
- rtsflag = 0;
- i=prt_addr+4;
- outp(i, inp(i) & ~2 );
- }
- }
- else
- if( nsize>=sizeof(empty)-2 ) /* It didn't respond to RTS! */
- break;
-
- {
- register char * ptr = putptr;
- if( lsr & 0x1A )
- {
- if(ptr >= full) ptr = empty;
- if( lsr & 0x10 )
- *ptr++ = 0x07; /* Flag break */
- else
- *ptr++ = '\032'; /* Flag overrun or frame error */
- nsize++;
- }
- if( lsr & 0x01 )
- {
- if(ptr >= full) ptr = empty;
- *ptr++ = inp(prt_addr+0);
- nsize++;
- }
- putptr = ptr;
- }
- }
- outp(prt_addr+1, 0x00);
- outp(0x20, 0x20); /* Ensure late irq's retrigger */
-
- if( nsize<sizeof(empty)-2 ) /* But only if we ain't full */
- outp(prt_addr+1, 0x01);
-}
-
-/***************************************************************************
- * Hardware serial routines, assert RTS/CTS flow control
- */
-void
-rtsflow(stop)
-int stop;
-{
- rtsflag = (stop?0:2);
-
- if(stop)
- outp(port_addr+4, inp(port_addr+4) & ~2 );
- else
- {
- outp(port_addr+4, inp(port_addr+4) | 0xB );
- outp(port_addr+1, 0x01);
- }
-}
-
-#ifdef KBDRTS
-/***************************************************************************
- * These routines force the RTS flow control on when in the keyboard
- * interrupt; this is sometimes needed to deal with nasty TSRs and
- * bad BIOSes.
- */
-void
-init_kbd()
-{
- orig_kbd_int = _dos_getvect(KBDINT);
- _dos_setvect(KBDINT, kbd_int);
-}
-
-void interrupt far kbd_int()
-{
-register int i;
- outp(port_addr+4, inp(port_addr+4) & ~2 );
-
-/* Flag overrides */
-#ifdef AT_BIOS_KEY
-#ifdef __BORLANDC__
- _AH = 0x12; geninterrupt(0x16); i = _AX;
- _CX = 0xFE00 + (i&3) + ((i&0xF00)>>6) + ((i>>9)&0x40);
- _AH = 0x05; geninterrupt(0x16);
-#endif
-#endif
-
- int_rs();
- orig_kbd_int();
- outp(port_addr+4, inp(port_addr+4) | rtsflag );
-}
-
-void
-clear_kbd()
-{
- _dos_setvect(KBDINT, orig_kbd_int);
-}
-#endif
-#endif
-
-/***************************************************************************
- * AVATAR -> ANSI conversion routines.
- *
- * Only the hardware screen version can use the avatar+ codes
- * (except insert mode which needs large changes)
- */
-#ifdef AVATAR
-#ifndef MEM_SCR
-
-char avbuf[270];
-int avcnt = 0;
-
- /* @ A B C D E F G H I J K L M N */
-int avsizes[] = { 0, 3, 2, 2, 2, 2, 2, 2, 4, 2, 7, 7, 5, 6, 2 };
-int avzero [] = { 0, 3, 2, 2, 2, 2, 2, 2, 4 };
-int colconv[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
-
-do_avatar(ch)
-{
- char tbuf[270];
- int i, j;
-
- if( avcnt == 0 )
- {
- avbuf[0] = ch;
- avcnt=1;
- return;
- }
- else
- {
- avbuf[avcnt++] = ch;
- if( avbuf[0] == '\031' )
- {
- if( avcnt < 3 ) return;
- j = (avbuf[2]&0x7F);
- avcnt = -1;
- for(i=0; i<j; i++)
- putscrn(avbuf[1]);
- avcnt = 0;
- return;
- }
- avbuf[1] &= 0x3F;
- if( avbuf[1] == '\031' )
- {
- if( avcnt < 3 || avcnt < (avbuf[2]&0xFF)+4 )
- return;
- }
- else if( avbuf[1] < 1 || avbuf[1] >= sizeof(avsizes)/sizeof(int) )
- {
- avcnt = -1;
- putscrn('\026');
- putscrn(ch);
- avcnt = 0;
- return;
- }
- else
- if( avcnt < avsizes[avbuf[1]]) return;
- avcnt = -1;
- tbuf[0] = '\0';
- switch( avbuf[1] )
- {
- case 1: sprintf(tbuf, "\033[0;3%d;4%dm",
- colconv[avbuf[2]&0x7], colconv[(avbuf[2]>>4)&0x7]);
- if( avbuf[2]&0x08 ) sprintf(tbuf+strlen(tbuf), "\033[1m");
- break;
- case 2: sprintf(tbuf, "\033[5m");
- break;
- case 3: sprintf(tbuf, "\033[A");
- break;
- case 4: sprintf(tbuf, "\033[B");
- break;
- case 5: sprintf(tbuf, "\033[D");
- break;
- case 6: sprintf(tbuf, "\033[C");
- break;
- case 7: sprintf(tbuf, "\033[K");
- break;
- case 8: if( avbuf[2] > 25 || avbuf[2] < 1 )
- {
- putscrn(avbuf[2]);
- putscrn(avbuf[3]);
- }
- else if( avbuf[3] > 80 || avbuf[3] < 1 )
- {
- sprintf(tbuf, "\033[%dH", avbuf[2]);
- j=strlen(tbuf);
- tbuf[j] = avbuf[3];
- tbuf[j+1] = '\0';
- }
- else
- sprintf(tbuf, "\033[%d;%dH", avbuf[2], avbuf[3]);
- break;
- case 25: memcpy(tbuf, avbuf, 270);
- j = (tbuf[tbuf[2]+3]&0xFF);
- avcnt = 0;
- for(;j>0; j--)
- for(i=0; i<(tbuf[2]&0xff); i++)
- putscrn(tbuf[i+3]);
-
- tbuf[0] = '\0';
- break;
- default: sprintf(tbuf, "Unsupported avatar CTRL-V CTRL-%c ",
- '@'+ avbuf[1] );
- break;
- }
- for(i=0; tbuf[i]; i++)
- putscrn(tbuf[i]);
- avcnt = 0;
- }
-}
-
-#else /* def MEM_SCR */
-
-char avbuf[270];
-int avcnt = 0;
-
- /* @ A B C D E F G H I J K L M N */
-#ifdef AVATAR_PLUS
-int avsizes[] = { 0, 3, 2, 2, 2, 2, 2, 2, 4, 2, 7, 7, 5, 6, 2 };
-#else
-int avsizes[] = { 0, 3, 2, 2, 2, 2, 2, 2, 4 };
-#endif
-int colconv[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
-
-do_avatar(ch)
-{
- char tbuf[270];
- int i, j;
-
- if( avcnt == 0 )
- {
- avbuf[0] = ch;
- avcnt=1;
- return;
- }
- else
- {
- avbuf[avcnt++] = ch;
- if( avbuf[0] == '\031' )
- {
- if( avcnt < 3 ) return;
- j = (avbuf[2]&0x7F);
- avcnt = -1;
- for(i=0; i<j; i++)
- litput(avbuf[1]);
- avcnt = 0;
- return;
- }
- avbuf[1] &= 0x3F;
- if( avbuf[1] == '\031' )
- {
- if( avcnt < 3 || avcnt < (avbuf[2]&0xFF)+4 )
- return;
- }
- else if( avbuf[1] < 1 || avbuf[1] >= sizeof(avsizes)/sizeof(int) )
- {
- avcnt = -1;
- litput('\026');
- litput(ch);
- avcnt = 0;
- return;
- }
- else
- if( avcnt < avsizes[avbuf[1]]) return;
- avcnt = -1;
- tbuf[0] = '\0';
- switch( avbuf[1] )
- {
- case 1: if( dos_mode != 2 && dos_mode != 7 )
- curpage->attr = (avbuf[2]&0x7F);
- else
- curpage->attr = ((avbuf[2]&0x08)|0x07);
- if( curpage->honour_attr )
- curpage->clr_col = curpage->attr;
- break;
- case 2: curpage->attr |= 0x80;
- if( curpage->honour_attr )
- curpage->clr_col = curpage->attr;
- break;
- case 3: set_pos(curpage->line-1, curpage->col);
- break;
- case 4: set_pos(curpage->line+1, curpage->col);
- break;
- case 5: curpage->col--;
- if( curpage->col < 0 )
- curpage->col = 0;
- break;
- case 6: curpage->col++;
- if( curpage->col >= line_len )
- curpage->col = line_len -1;
- break;
- case 7: clr_eol();
- break;
- case 8: set_pos(avbuf[2]-1, avbuf[3]-1);
- break;
-#ifdef AVATAR_PLUS
-/* case 9: insert mode (Gaud! this means lots of changes) */
-
- case 10: /* scroll up */
- scroll_up(avbuf[2], avbuf[3], avbuf[4], avbuf[5], avbuf[6]);
- break;
-
- case 11: /* scroll down */
- scroll_down(avbuf[2], avbuf[3], avbuf[4], avbuf[5], avbuf[6]);
- break;
-
- case 12: clear_area(curpage->line, curpage->col,
- avbuf[3], avbuf[4], avbuf[2] , ' ');
- break;
- case 13: clear_area(curpage->line, curpage->col,
- avbuf[4], avbuf[5], avbuf[2], avbuf[3]);
- break;
-
- case 14: /* del char */
- delch(1);
- break;
-#endif
- case 25: memcpy(tbuf, avbuf, 270);
- j = (tbuf[tbuf[2]+3]&0xFF);
- avcnt = 0;
- for(;j>0; j--)
- for(i=0; i<(tbuf[2]&0xff); i++)
- putscrn(tbuf[i+3]);
-
- tbuf[0] = '\0';
- break;
- default: sprintf(tbuf, "Unsupported avatar CTRL-V CTRL-%c ",
- '@'+ avbuf[1] );
- break;
- }
- for(i=0; tbuf[i]; i++)
- putscrn(tbuf[i]);
- avcnt = 0;
- }
-}
-
-#ifdef AVATAR_PLUS
-clear_area(r, c, h, w, a, cc)
-int w,h;
-int r, c;
-{
- int i, j;
- int ch;
- int attr;
-
- attr = a;
-
- ch = (cc&0xFF)+(attr<<8);
-
- if( r >= scr_len || c >= line_len
- || r+h < 0 || c+w < 0 || h < 0 || w < 0 ) return;
- if( r < 0 ) { h -= r; r = 0; }
- if( c < 0 ) { w -= c; w = 0; }
- if( r+h > scr_len ) { h = scr_len-r; }
- if( c+w > line_len ) { w = line_len-c; }
-
- for(i=0; i<h; i++)
- {
- for(j=0; j<w; j++)
- {
- curpage->lines[r+i][c+j] = ch;
- }
- }
- dirty_lines(r, h);
- curpage->attr = attr;
-}
-
-scroll_up(lines, tlr, tlc, brr, brc)
-int lines, tlr, tlc, brr, brc;
-{
- int slines;
- int rows, cols, i, k;
- if( tlr < 1 ) tlr = 1;
- if( tlc < 1 ) tlc = 1;
- if( brr > scr_len ) brr = scr_len;
- if( brc > line_len ) brc = line_len;
- if( tlr > brr ) return;
- if( tlc > brc ) return;
-
- rows = brr-tlr+1;
- cols = brc-tlc+1;
- tlr--; tlc--; brc--; brr--;
-
- if( lines <= 0 || lines >= rows )
- {
- clear_area(tlr, tlc, rows, cols, curpage->attr, ' ');
- return;
- }
- slines = rows - lines;
- for(i=0;i < slines;i++)
- {
- /* copy from line tlr+i+lines to line tlr+i */
- for(k=tlc;k<=brc;k++)
- {
- curpage->lines[tlr+i][k] = curpage->lines[tlr+lines+i][k];
- }
- }
- for(i=slines; i<rows; i++)
- {
- /* zap line tlr+i */
- for(k=tlc;k<=brc;k++)
- {
- curpage->lines[tlr+i][k] = (curpage->attr<<8)+' ';
- }
- }
- dirty_lines(tlr, rows);
-}
-
-scroll_down(lines, tlr, tlc, brr, brc)
-int lines, tlr, tlc, brr, brc;
-{
- int slines;
- int rows, cols, i, k;
- if( tlr < 1 ) tlr = 1;
- if( tlc < 1 ) tlc = 1;
- if( brr > scr_len ) brr = scr_len;
- if( brc > line_len ) brc = line_len;
- if( tlr > brr ) return;
- if( tlc > brc ) return;
-
- rows = brr-tlr+1;
- cols = brc-tlc+1;
- tlr--; tlc--; brc--; brr--;
-
- if( lines <= 0 || lines >= rows )
- {
- clear_area(tlr, tlc, rows, cols, curpage->attr, ' ');
- return;
- }
- slines = rows - lines;
- for(i=rows-1;i >= lines;i--)
- {
- /* copy from line tlr+i to line tlr+i+lines */
- for(k=tlc;k<=brc;k++)
- {
- curpage->lines[tlr+i][k] = curpage->lines[tlr+i-lines][k];
- }
- }
- for(i=0; i<lines; i++)
- {
- /* zap line tlr+i */
- for(k=tlc;k<=brc;k++)
- {
- curpage->lines[tlr+i][k] = (curpage->attr<<8)+' ';
- }
- }
- dirty_lines(tlr, rows);
-}
-
-dirty_lines(top, count)
-int top, count;
-{
- int i;
- for(i=0; i<count; i++)
- {
- curpage->dirty[top+i] = 1;
- }
-}
-#endif
-#endif
-#endif
-
-
-#ifdef AT_BIOS_KEY
-
-static int bioskeydecode[] = {
- 0x0000, 0x3280, 0x3131, 0x3132, 0x3133, 0x3134, 0x3135, 0x3136,
- 0x3137, 0x3138, 0x3139, 0x3130, 0x312d, 0x313d, 0x3308, 0x1209,
- 0x3171, 0x3177, 0x3165, 0x3172, 0x3174, 0x3179, 0x3175, 0x3169,
- 0x316f, 0x3170, 0x315b, 0x315d, 0x330d, 0x0000, 0x3161, 0x3173,
- 0x3164, 0x3166, 0x3167, 0x3168, 0x316a, 0x316b, 0x316c, 0x313b,
- 0x0100, 0x0100, 0x0000, 0x0400, 0x317a, 0x3178, 0x3163, 0x3176,
- 0x3162, 0x316e, 0x316d, 0x312c, 0x312e, 0x312f, 0x0000, 0x0700,
- 0x0000, 0x3520, 0x0000, 0x0481, 0x0482, 0x0483, 0x0484, 0x0485,
- 0x0486, 0x0487, 0x0488, 0x0489, 0x048a, 0x0000, 0x0000, 0x0697,
- 0x0698, 0x0699, 0x0700, 0x0694, 0x0695, 0x0696, 0x0700, 0x0691,
- 0x0692, 0x0693, 0x0690, 0x069a, 0x1481, 0x1482, 0x1483, 0x1484,
- 0x1485, 0x1486, 0x1487, 0x1488, 0x1489, 0x148a, 0x2481, 0x2482,
- 0x2483, 0x2484, 0x2485, 0x2486, 0x2487, 0x2488, 0x2489, 0x248a,
- 0x3481, 0x3482, 0x3483, 0x3484, 0x3485, 0x3486, 0x3487, 0x3488,
- 0x3489, 0x348a, 0x0000, 0x2694, 0x2696, 0x2691, 0x2693, 0x2697,
- 0x3131, 0x3132, 0x3133, 0x3134, 0x3135, 0x3136, 0x3137, 0x3138,
- 0x3139, 0x3130, 0x002d, 0x003d, 0x2699, 0x048b, 0x048c, 0x148b,
- 0x148c, 0x248b, 0x248c, 0x348b, 0x348c, 0x2698, 0x2700, 0x2695,
- 0x2700, 0x2692, 0x2690, 0x269a, 0x2009, 0x2700, 0x2700, 0x3697,
- 0x3698, 0x3699, 0x0000, 0x3694, 0x3695, 0x3696, 0x0000, 0x3691,
- 0x3692, 0x3693, 0x3690, 0x369a, 0x3700, 0x3009, 0x3700, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0700, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
-};
-
-int get_key()
-{
-static int last_flgs = 0;
-static int force_flgs[] = {0, 2, 4, 8};
-static int this_flags = -1;
-
-#ifdef __BORLANDC__
-static int kbd_type = -1;
-#else
-static int kbd_type = 0;
-#endif
-
- int ch, flgs, scan, flgs2;
- int scand;
- int i;
-
-try_again:; /* If we get a scan generator */
-
-#ifdef __BORLANDC__
- if( kbd_type < 0 )
- {
- kbd_type = 0;
-
- for(i=0; i<16;i++)
- {
- _AH = 0x01; geninterrupt(0x16); if((_FLAGS&0x40)) break;
- _AH = 0x00; geninterrupt(0x16);
- }
- _AH = 0x05; _CX= 0xFFFF; geninterrupt(0x16);
- for(i=0; i<16;i++)
- {
- _AH = 0x11; geninterrupt(0x16); if((_FLAGS&0x40)) break;
- _AH = 0x10; geninterrupt(0x16);
- if( _AX == 0xFFFF )
- {
- kbd_type = 0x10;
- break;
- }
- }
- }
-
- _AH = kbd_type+1; geninterrupt(0x16);
- i = (_FLAGS&0x40);
-
- _AH = kbd_type+2; geninterrupt(0x16); flgs = _AX;
- if( !kbd_type ) flgs &= 0xFF;
-
-#else
- i = !_bios_keybrd(_KEYBRD_READY);
-
- flgs = _bios_keybrd(_KEYBRD_SHIFTSTATUS);
-#endif
- if(!(flgs&0x8)) flgs &= ~0x0A00;
-
- if(i)
- {
- if( flgs != last_flgs )
- {
- ch = 0;
- last_flgs = flgs;
- i=0;
- if( (flgs & 0x500) == 0x500 ) ch |= KEY_CTRL;
- if( (flgs & 0xA00) == 0xA00 ) ch |= KEY_ALT|KEY_ALTGR;
- if(!i)
- {
- if( (flgs & 0x001) ) i++;
- if( (flgs & 0x002) ) i++;
- if( (flgs & 0x004) ) i++;
- if( (flgs & 0x008) ) i++;
- }
-
- if( i>1 )
- {
- if( flgs & 0x4 ) ch |= KEY_CTRL;
- if( flgs & 0x3 ) ch |= KEY_SHIFT;
- if( (flgs & 0x0A00) )
- ch |= ((flgs&0x0200)?KEY_ALT:0) + ((flgs&0x0800)?KEY_ALTGR:0) ;
- else
- ch |= ((flgs&0x08)?KEY_ALT:0);
- }
-
- if( ch )
- {
-#ifdef DEBUG
- cprintf( "BIOS ----, FLGS: %04x:", flgs);
-#endif
- return (ch + KEY_SPECIAL);
- }
- }
- return -1;
- }
- else
- {
-#ifdef __BORLANDC__
- _AH = kbd_type; geninterrupt(0x16);
- ch = (unsigned) _AX;
-#else
- ch = _bios_keybrd(_KEYBRD_READ);
-#endif
- }
-
- if( this_flags != -1 )
- {
- flgs = ( flgs & 0x70F0 )
- + ( this_flags & 3 )
- + ((this_flags & 0x3C) << 6 )
- + ((this_flags & 0x40) << 9 );
- if( flgs & 0x500 ) flgs |= 0x04;
- if( flgs & 0xA00 ) flgs |= 0x08;
- this_flags = -1;
- }
-
- if( ( ch & 0xFF00 ) == 0xFE00 ) { this_flags = ch; goto try_again; }
-
- last_flgs = flgs;
-#ifdef DEBUG
- cprintf( "BIOS %04x, FLGS: %04x:", ch, flgs);
-#endif
-
- flgs &= 0x0A0F;
- if( ch == 0 ) return KEY_OTHER + 0x03;
-
- scan = ((ch>>8)&0xFF);
- ch &= 0xFF;
-
- if( scan == 0 ) return ch + KEY_DIRECT;
- if( scan == 0xE0 ) scan = 0xA4 + 2*(ch < ' ');
-
- flgs2 = 0;
- if( ch == 0xE0 ) { flgs2 |= KEY_PAD; ch = 0; }
-
- /* Check for forced flags */
- if( ch == 0 && (flgs&0xF) == 0 )
- flgs |= force_flgs[(bioskeydecode[scan]>>12)&3];
-
- if( flgs & 0x4 ) flgs2 |= KEY_CTRL;
- if( flgs & 0x3 ) flgs2 |= KEY_SHIFT;
-
- if( (flgs & 0x0A00) )
- flgs2 |= ((flgs&0x0200)?KEY_ALT:0) + ((flgs&0x0800)?KEY_ALTGR:0) ;
- else
- flgs2 |= ((flgs&0x08)?KEY_ALT:0);
-
- if( ch ) switch(flgs2)
- {
- case 0: case KEY_CTRL: case KEY_SHIFT:
- switch((bioskeydecode[scan]>>8)&7)
- {
- case 1:
- return ch;
- case 2:
- if( flgs2 == 0 ) return ch + KEY_OTHER;
- break;
- case 3:
- if( (flgs2 & ~KEY_CTRL) == 0 ) return ch + KEY_OTHER;
- break;
- case 4:
- if( (flgs2 & ~KEY_SHIFT) == 0 ) return ch;
- if( flgs2 == KEY_CTRL ) return (ch&0x1F);
- break;
- case 5:
- if( flgs2 == 0 ) return ch;
- break;
- case 6:
- if( flgs2 == 0 ) return ch + KEY_PAD;
- break;
- case 7: return ch + KEY_PAD;
- }
- }
-
- flgs2 |= KEY_SPECIAL;
-
- if( ((bioskeydecode[scan]>>8)&6) == 6 && (flgs&0x08) == 0 && kbd_type )
- flgs2 ^= KEY_PAD;
-
- if( ((bioskeydecode[scan]>>8)&7) == 4 && ch )
- ;
- else if(bioskeydecode[scan]&0xFF)
- return flgs2 + (bioskeydecode[scan]&0xFF);
-
- return flgs2 + KEY_DIRECT + scan;
-}
-
-unsigned char scan_desc[] = {
- 0, 0, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 8, 0,
- 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', 10, 'C', 'a', 's',
- 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', 0, 0, 'S', 0, 'z', 'x', 'c', 'v',
- 'b', 'n', 'm', ',', '.', '/', 'T', 0, 'A', ' ', 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 'E', 'F', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-char hextbl[] = "0123456789abcdef";
-
-/* Write scancodes, in this mode you really need a compatible program on
- * the host, but you can just about type 'reset<cr>' and have it work
- */
-void
-write_scan(scan)
-int scan;
-{
-static int lastscan = -1;
- int by;
-
- scan &= 0xFF;
-
- if( scan == lastscan+0x80 )
- { xmit('~'); xmit('\b'); }
- else if( by = scan_desc[scan] )
- xmit(by);
- else if( by = scan_desc[scan&0x7F] )
- { xmit('!'); xmit(by); }
- else
- { xmit('~'); xmit(hextbl[scan>>4]); xmit(hextbl[scan&0xF]); }
- lastscan = scan;
-}
-
-/*
- * This keyboard gives a pattern of control sequences that makes just about
- * every keypress distinct. It does need a compatible host program but its
- * useable as a generic terminal type unlike the scancodes.
- */
-void
-write_dosemu(ch)
-int ch;
-{
-#define CT_KEY 0x1E
- int by = (ch & 0xFF);
-
- /* First we swap round ^M and Return, likewise BS, Tab and Esc */
- if( ( ch & 0xFF00 ) == KEY_OTHER || ( ch & 0xFF00 ) == 0 )
- {
- /* Make it so we can detect the 'other' keys */
- if( strchr("\b\t\r\n\033\003\177", by) )
- {
- if( ch & KEY_OTHER )
- ch ^= KEY_OTHER;
- else
- by = ((ch = KEY_SPECIAL+KEY_CTRL+tolower(by+'@')) & 0xFF);
- }
- }
-
- if( ch & 0xFF00 )
- {
- if( ch & KEY_SPECIAL )
- {
- if( by == 0 ) return;
-
- if( ch & KEY_ALT ) { xmit(CT_KEY); xmit('a'); }
- if( ch & KEY_CTRL ) { xmit(CT_KEY); xmit('c'); }
- if( ch & KEY_SHIFT ) { xmit(CT_KEY); xmit('s'); }
- if( ch & KEY_ALTGR ) { xmit(CT_KEY); xmit('g'); }
- if( ch & KEY_PAD ) { xmit(CT_KEY); xmit('k'); }
- /* if( ch & KEY_OTHER ) { xmit(CT_KEY); xmit('o'); } */
-
- if( ch & KEY_DIRECT )
- {
- xmit(CT_KEY); xmit('~');
- xmit(hextbl[by>>4]); xmit(hextbl[by&0xF]);
- }
- else if((by&0xF0)==0x80 )
- {
-static char fkeys[] = "01234567890-=..";
- if( by == 0x80 )
- {
- xmit('\033');
- xmit('\033');
- }
- else
- {
- xmit(CT_KEY);
- xmit(fkeys[by&0xF]);
- }
- }
- else if((by&0xF0)==0x90 )
- {
- xmit(CT_KEY);
- xmit('K');
- xmit(hextbl[by&0xF]);
- }
- else
- xmit(by);
- }
- else
- {
- if( ch & KEY_PAD ) { xmit(CT_KEY); xmit('k'); }
- if( ch & KEY_OTHER ) { xmit(CT_KEY); xmit('o'); }
- if( ch & KEY_DIRECT ) { xmit(CT_KEY); xmit('z'); }
- xmit(by);
- }
- }
- else if( by == CT_KEY )
- {
- xmit(CT_KEY); xmit('c'); xmit(tolower(CT_KEY+'@'));
- }
- else
- {
- xmit(by);
- if( by == '\033' )
- xmit(by);
- }
-}
-
-/*
- * This key mapping is designed for easy use with terminfo nevertheless
- * it has potentially 96 function key + 104 alt/ctrl/shift&letter codes.
- *
-#ifdef SCO_KEYMAP
- * This generates key sequences compatible with the SCO-Xenix console.
- * In addition many extra key combinations generate distinct codes.
- * But there are normally several ways of generating each standard key.
-#endif
- */
-void
-write_unix(ch)
-int ch;
-{
- int by;
-#ifdef SCO_KEYMAP
- /* 012345678901234567890123456 789012 */
-static char normal[] = " MNOPQRSTUVWX LFBGDECHAI\177 ";
-static char shift [] = " YZabcdefghij 0123456789\177 ";
-static char ctrl [] = " klmnopqrstuv \177 ";
-static char ctrshf[] = " wxyz@[\\]^_`{ \177 ";
-#endif
-
- /* This seems to be a pain if it stays */
- if( ch == KEY_SPECIAL+KEY_SHIFT+'\r' ) ch = '\r';
- if( ch == KEY_SPECIAL+KEY_SHIFT+' ' ) ch = ' ';
-
-#ifdef SCO_KEYMAP
- if( ch & KEY_SPECIAL )
- {
- if( ch & (KEY_ALT|KEY_ALTGR|KEY_DIRECT) )
- write_dosemu(ch);
- else if( (ch & 0xE0) != 0x80 )
- write_dosemu(ch);
- else
- {
- char * keys;
- if( ch&KEY_SHIFT )
- {
- if( ch&KEY_CTRL ) keys = ctrshf; else keys = shift;
- }
- else
- {
- if( ch&KEY_CTRL ) keys = ctrl; else keys = normal;
- }
- by = keys[ch&0x1F];
- if( by == ' ' ) write_dosemu(ch);
- else if( by == '\177' || by >= '0' && by <= '9' )
- xmit(by);
- else
- {
- xmit('\033');
- xmit('[');
- xmit(by);
- }
- }
- }
-#else
- if( ch & KEY_SPECIAL )
- write_dosemu(ch);
-#endif
- else
- xmit(ch&0xFF);
-}
-
-#else !AT_BIOS_KEY
-/***************************************************************************
- * Get a key from the keyboard (-1 if none available)
- * Simple XT-BIOS version
- */
-
-int get_key()
-{
-#ifdef KEY_COMPAT
- /* This is called so often that windows thinks we're idle; well we
- * are _but_ windows also seems to stop us.
- */
-
- if( _bios_keybrd(_KEYBRD_READY) == 0 ) return -1;
- return _bios_keybrd(_KEYBRD_READ);
-
-#else
-
- /* So we have to hack it */
-
-#define bios_ram ((char far *)0x00400000L)
- static char last_flags = 0;
- int c;
-
- if( bios_ram[0x1C] != bios_ram[0x1A] )
- return _bios_keybrd(_KEYBRD_READ);
- else
- return -1;
-
-#endif
-
-}
-
-/***************************************************************************
- * XT-BIOS Keymap tables for SCO console.
- */
-
-#ifdef SCO_KEYMAP
-#ifdef SCO_REMAP
-char * keytab[95];
-char keybuf[33] = "";
-int keyxlate[KEYTABSIZE] =
- { 0073, 0074, 0075, 0076, 0077,
- 0100, 0101, 0102, 0103, 0104, 0, 0, /* F11, F12 oops */
- 0124, 0125, 0126, 0127, 0130,
- 0131, 0132, 0133, 0134, 0135, 0, 0,
- 0136, 0137, 0140, 0141, 0142,
- 0143, 0144, 0145, 0146, 0147, 0, 0,
- 0150, 0151, 0152, 0153, 0154,
- 0155, 0156, 0157, 0160, 0161, 0, 0,
- 0107, 0110, 0111, 0112, 0113,
- 0114, 0115, 0116, 0117, 0120,
- 0121, 0122
- };
-#endif
-
-int kbtab[] =
-{
-/* 000 */ 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
-/* 010 */ 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x25A,
-/* 020 */ 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
-/* 030 */ 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
-/* 040 */ 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
-/* 050 */ 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
-/* 060 */ 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
-/* 070 */ 0x000, 0x000, 0x000, 0x24D, 0x24E, 0x24F, 0x250, 0x251,
-/* 100 */ 0x252, 0x253, 0x254, 0x255, 0x256, 0x000, 0x000, 0x248,
-/* 110 */ 0x241, 0x249, 0x000, 0x244, 0x000, 0x243, 0x000, 0x246,
-/* 120 */ 0x242, 0x247, 0x24C, 0x07F, 0x259, 0x25A, 0x261, 0x262,
-/* 130 */ 0x263, 0x264, 0x265, 0x266, 0x267, 0x268, 0x26B, 0x26C,
-/* 140 */ 0x26D, 0x26E, 0x26F, 0x270, 0x271, 0x272, 0x273, 0x274,
-/* 150 */ 0x277, 0x278, 0x279, 0x27A, 0x240, 0x25B, 0x25C, 0x25D,
-/* 160 */ 0x25E, 0x25F, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000
-};
-
-bios_keymap(c)
-int c;
-{
- char * kptr;
- c >>= 8;
-
- if(c>=0 && c<0x78 && kbtab[c])
- {
- switch((kbtab[c] >> 8)&0xF)
- {
- case 1: xmit('\033');
- break;
- case 2: xmit('\033');
- xmit('[');
- break;
-#ifdef SCO_REMAP
- case 3: kptr = keytab[kbtab[c] & 0xFF];
- if(kptr) while( *kptr ) xmit(*kptr++);
- return TRUE;
-#endif
- }
- xmit(kbtab[c] & 0xFF);
- return 1;
- }
- return 0;
-}
-
-/***************************************************************************
- * These functions are used for defining alternate function keys.
- */
-
-#ifdef SCO_REMAP
-add_fnchar(ch)
-int ch;
-{
- int s = strlen(keybuf);
- if( s == 32 ) return;
- keybuf[s] = ch;
- s++;
- keybuf[s] = 0;
-}
-
-set_key(kno)
-int kno;
-{
- if( keybuf[0] == 0 ) return message("Function key %d cleared", kno+1);
- if( keytab[kno] != 0 )
- {
- free(keytab[kno]);
- keytab[kno] = 0;
- }
- keytab[kno] = malloc(strlen(keybuf)+1);
- strcpy(keytab[kno], keybuf);
- keybuf[0] = 0;
-}
-#endif
-#endif
-#endif
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