/* $Header: term.h,v 7.0.1.2 86/12/12 17:05:15 lwall Exp $ */ /* $Log: term.h,v $ * Revision 7.0.1.2 86/12/12 17:05:15 lwall * Baseline for net release. * * Revision 7.0.1.1 86/10/16 10:53:33 lwall * Added Damage. Fixed random bugs. * * Revision 7.0 86/10/08 15:14:07 lwall * Split into separate files. Added amoebas and pirates. * */ /* warp will still work without the following, but may get ahead at low speed */ #ifdef TIOCOUTQ /* chars left in output queue */ #define output_pending() (ioctl(1, TIOCOUTQ, &iocount),iocount) #endif /* If some of the following look something like curses calls, it is because * warp used to use curses but doesn't now. Warp was neither as efficient nor * as portable with curses, and since the program had to cheat on curses all * over the place anyway, we ripped it out. */ #define setimage(of,to) (mvaddch(of->posy+1,of->posx*2,of->image=(to))) #define mvaddch(y,x,ch) move((y),(x),(ch)) /* #define addch(ch) (tmpchr=(ch), write(1,&tmpchr,1), real_x++) */ #define mvaddc(y,x,ch) move((y),(x),(ch)) #define addc(ch) (write(1,&(ch),1), real_x++) #define addspace() (write(1," ",1), real_x++) #define mvaddstr(y,x,s) (move((y),(x),0), tmpstr = (s), \ tmplen = strlen(tmpstr), write(1, tmpstr, tmplen), real_x += tmplen) EXT int tmplen; EXT char *tmpstr; /* EXT char tmpchr; */ /* The following macros are like the pseudo-curses macros above, but do * certain amount of controlled output buffering. * * NOTE: a beg_qwrite()..end_qwrite() sequence must NOT contain a cursor * movement (move), because the move() routine uses beg_qwrite()..end_qwrite() * itself. */ #define beg_qwrite() (maxcmstring = cmbuffer) #ifdef vax #define qwrite() asm("movc3 _gfillen,_filler,*_maxcmstring"); maxcmstring += gfillen #else #define qwrite() (movc3(gfillen,filler,maxcmstring), maxcmstring += gfillen) #endif #define qaddc(ch) (*maxcmstring++ = (ch), real_x++) #define qaddch(ch) (*maxcmstring++ = (ch), real_x++) #define qaddspace() (*maxcmstring++ = ' ', real_x++) #define end_qwrite() (write(1,cmbuffer,maxcmstring-cmbuffer)) /* setting a ??size to infinity forces cursor addressing in that direction */ EXT int CMsize; EXT int BCsize INIT(1); EXT int DOsize INIT(1000); EXT int UPsize INIT(1000); EXT int NDsize INIT(1000); EXT int charsperhalfsec; EXT int real_y INIT(-100); EXT int real_x INIT(-100); #ifdef DOINIT char filler[] = {0,'\b',0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; #else EXT char filler[]; #endif EXT char *bsptr INIT(filler+1); EXT char term[12]; EXT char gfillen INIT(25); EXT char *maxcmstring; EXT char cmbuffer[512]; #define BREAKCH '\0' EXT char INTRCH INIT('\03'); #ifdef PUSHBACK EXT char circlebuf[PUSHSIZE]; EXT int nextin INIT(0); EXT int nextout INIT(0); # ifdef PENDING # ifdef FIONREAD EXT long iocount INIT(0); # ifndef lint # define input_pending() (nextin!=nextout || \ (ioctl(0, FIONREAD, &iocount),(int)iocount)) # else # define input_pending() bizarre # endif /* lint */ # else /* FIONREAD */ int circfill(); # ifdef RDCHK # ifndef lint # define input_pending() rdchk(0) # else /* lint */ # define input_pending() bizarre # endif /* lint */ # else /* RDCHK */ # ifndef O_NDELAY /* assert O_NDELAY */ ??? PENDING isn't defined correctly in warp.h # endif EXT int devtty INIT(0); # ifndef lint # define input_pending() (nextin!=nextout || circfill()) # else # define input_pending() bizarre # endif /* lint */ # endif /* RDCHK */ # endif /* FIONREAD */ # else /* PENDING */ ??? warp won't work without PENDING # ifndef lint # define input_pending() (nextin!=nextout) # else # define input_pending() bizarre # endif /* lint */ # endif /* PENDING */ #else /* PUSHBACK */ # ifdef PENDING # ifdef FIONREAD /* must have FIONREAD or O_NDELAY for input_pending() */ # define read_tty(addr,size) read(0,addr,size) # ifndef lint # define input_pending() (ioctl(0, FIONREAD, &iocount), \ (int)iocount) # else # define input_pending() bizarre # endif /* lint */ EXT long iocount INIT(0); # else /* FIONREAD */ # ifdef RDCHK /* actually, they can have rdchk() too */ # define read_tty(addr,size) read(0,addr,size) # ifndef lint # define input_pending() rdchk(0) # else /* lint */ # define input_pending() bizarre # endif /* lint */ # else /* RDCHK */ # ifndef O_NDELAY /* assert O_NDELAY */ ??? PENDING isn't defined correctly in warp.h # endif EXT int devtty INIT(0); EXT bool is_input INIT(FALSE); EXT char pending_ch INIT(0); # ifndef lint # define input_pending() (is_input || \ (is_input=read(devtty,&pending_ch,1))) # else # define input_pending() bizarre # endif /* lint */ # endif /* RDCHK */ # endif /* FIONREAD */ # else /* PENDING */ ??? warp won't work without PENDING # define read_tty(addr,size) read(0,addr,size) # define input_pending() (FALSE) # endif /* PENDING */ #endif /* PUSHBACK */ /* stuff wanted by terminal mode diddling routines */ #ifdef TERMIO EXT struct termio _tty, _oldtty; #else EXT struct sgttyb _tty; EXT int _res_flg INIT(0); #endif EXT int _tty_ch INIT(2); EXT bool bizarre INIT(FALSE); /* do we need to restore terminal? */ /* terminal mode diddling routines */ #ifdef TERMIO #define raw() ((bizarre=1),_tty.c_lflag &=~ISIG,_tty.c_cc[VMIN] = 1,ioctl(_tty_ch,TCSETAF,&_tty)) #define noraw() ((bizarre=1),_tty.c_lflag |= ISIG,_tty.c_cc[VEOF] = CEOF,ioctl(_tty_ch,TCSETAF,&_tty)) #define crmode() ((bizarre=1),_tty.c_lflag &=~ICANON,_tty.c_cc[VMIN] = 1,ioctl(_tty_ch,TCSETAF,&_tty)) #define nocrmode() ((bizarre=1),_tty.c_lflag |= ICANON,_tty.c_cc[VEOF] = CEOF,ioctl(_tty_ch,TCSETAF,&_tty)) #define echo() ((bizarre=1),_tty.c_lflag |= ECHO, ioctl(_tty_ch, TCSETAW, &_tty)) #define noecho() ((bizarre=1),_tty.c_lflag &=~ECHO, ioctl(_tty_ch, TCSETAW, &_tty)) #define nl() ((bizarre=1),_tty.c_iflag |= ICRNL,_tty.c_oflag |= ONLCR,ioctl(_tty_ch, TCSETAW, &_tty)) #define nonl() ((bizarre=1),_tty.c_iflag &=~ICRNL,_tty.c_oflag &=~ONLCR,ioctl(_tty_ch, TCSETAW, &_tty)) #define savetty() (ioctl(_tty_ch, TCGETA, &_oldtty),ioctl(_tty_ch, TCGETA, &_tty)) #define resetty() ((bizarre=0),ioctl(_tty_ch, TCSETAF, &_oldtty)) #define unflush_output() #else #define raw() ((bizarre=1),_tty.sg_flags|=RAW, stty(_tty_ch,&_tty)) #define noraw() ((bizarre=1),_tty.sg_flags&=~RAW,stty(_tty_ch,&_tty)) #define crmode() ((bizarre=1),_tty.sg_flags |= CBREAK, stty(_tty_ch,&_tty)) #define nocrmode() ((bizarre=1),_tty.sg_flags &= ~CBREAK,stty(_tty_ch,&_tty)) #define echo() ((bizarre=1),_tty.sg_flags |= ECHO, stty(_tty_ch, &_tty)) #define noecho() ((bizarre=1),_tty.sg_flags &= ~ECHO, stty(_tty_ch, &_tty)) #define nl() ((bizarre=1),_tty.sg_flags |= CRMOD,stty(_tty_ch, &_tty)) #define nonl() ((bizarre=1),_tty.sg_flags &= ~CRMOD, stty(_tty_ch, &_tty)) #define savetty() (gtty(_tty_ch, &_tty), _res_flg = _tty.sg_flags) #define resetty() ((bizarre=0),_tty.sg_flags = _res_flg, stty(_tty_ch, &_tty)) #endif /* TERMIO */ #ifdef TIOCSTI #ifdef lint #define forceme(c) ioctl(_tty_ch,TIOCSTI,Null(long*)) /* ghad! */ #else #define forceme(c) ioctl(_tty_ch,TIOCSTI,c) /* pass character in " " */ #endif /* lint */ #else #define forceme(c) #endif /* termcap stuff */ /* * NOTE: if you don't have termlib you'll have to define these strings, * the tputs routine, and the tgoto routine. * The tgoto routine simply produces a cursor addressing string for a given * x and y. The 1st argument is a generic string to be interpreted. * If you are hardwiring it you might just ignore the 1st argument. * The tputs routine interprets any leading number as a padding factor, possibly * scaled by the number of lines (2nd argument), puts out the string (1st arg) * and the padding using the routine specified as the 3rd argument. */ #ifdef HAVETERMLIB EXT char *BC INIT(Nullch); /* backspace character */ EXT char *UP INIT(Nullch); /* move cursor up one line */ EXT char *myUP; EXT char *ND INIT(Nullch); /* non-destructive cursor right */ EXT char *myND; EXT char *DO INIT(Nullch); /* move cursor down one line */ EXT char *myDO; EXT char *CR INIT(Nullch); /* get to left margin, somehow */ EXT char *VB INIT(Nullch); /* visible bell */ EXT char *CL INIT(Nullch); /* home and clear screen */ EXT char *CE INIT(Nullch); /* clear to end of line */ EXT char *CM INIT(Nullch); /* cursor motion -- PWP */ EXT char *HO INIT(Nullch); /* home cursor -- PWP */ EXT char *CD INIT(Nullch); /* clear to end of display -- PWP */ EXT char *SO INIT(Nullch); /* begin standout mode */ EXT char *SE INIT(Nullch); /* end standout mode */ EXT int SG INIT(0); /* blanks left by SO and SE */ EXT char *US INIT(Nullch); /* start underline mode */ EXT char *UE INIT(Nullch); /* end underline mode */ EXT char *UC INIT(Nullch); /* underline a character, if that's how it's done */ EXT int UG INIT(0); /* blanks left by US and UE */ EXT bool AM INIT(FALSE); /* does terminal have automatic margins? */ EXT bool XN INIT(FALSE); /* does it eat 1st newline after automatic wrap? */ EXT char PC INIT(0); /* pad character for use by tputs() */ EXT short ospeed INIT(0); /* terminal output speed, for use by tputs() */ EXT int LINES INIT(0), COLS INIT(0); /* size of screen */ EXT int just_a_sec INIT(960); /* 1 sec at current baud rate */ /* (number of nulls) */ EXT char ERASECH; /* rubout character */ EXT char KILLCH; /* line delete character */ /* define a few handy macros */ #define clear() (do_tc(CL,LINES),real_y=real_x=0) #define erase_eol() do_tc(CE,1) #define backspace() (do_tc(BC,0),real_x--) #define clear_rest() do_tc(CD,LINES) #define underline() do_tc(US,1) #define un_underline() do_tc(UE,1) #define underchar() do_tc(UC,0) #define standout() do_tc(SO,1) #define un_standout() do_tc(SE,1) #define up_line() do_tc(UP,1) #define carriage_return() do_tc(CR,1) #define dingaling() do_tc(VB,1) #else ???????? /* up to you */ #endif void term_init(); void term_set(); #ifdef PUSHBACK void pushchar(); void mac_init(); void mac_line(); #endif void eat_typeahead(); void settle_down(); #ifndef read_tty int read_tty(); #endif void getcmd(); int read_nd(); void page(); void move(); void do_tc(); int comp_tc(); void helper(); void rewrite(); char cmstore();