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tty: document the termcap codes

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some of the termcap codes were missing document comments.
This commit is contained in:
Pasi Kallinen
2022-01-07 17:41:35 +02:00
parent 4133b6a2b0
commit 9176589b59
1 changed files with 16 additions and 15 deletions
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31
win/tty/termcap.c
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@@ -227,34 +227,34 @@ tty_startup(int *wid, int *hgt)
if (CO < COLNO || LI < ROWNO + 3)
setclipped();
#endif
nh_ND = Tgetstr("nd");
if (tgetflag("os"))
nh_ND = Tgetstr("nd"); /* move cursor right 1 column */
if (tgetflag("os")) /* term can overstrike */
error("NetHack can't have OS.");
if (tgetflag("ul"))
if (tgetflag("ul")) /* underline by overstrike w/ underscore */
ul_hack = TRUE;
CE = Tgetstr("ce");
UP = Tgetstr("up");
CE = Tgetstr("ce"); /* clear line from cursor to eol */
UP = Tgetstr("up"); /* move cursor up 1 line */
/* It seems that xd is no longer supported, and we should use
a linefeed instead; unfortunately this requires resetting
CRMOD, and many output routines will have to be modified
slightly. Let's leave that till the next release. */
XD = Tgetstr("xd");
/* not: XD = Tgetstr("do"); */
if (!(nh_CM = Tgetstr("cm"))) {
if (!(nh_CM = Tgetstr("cm"))) { /* cm: move cursor */
if (!UP && !HO)
error("NetHack needs CM or UP or HO.");
tty_raw_print("Playing NetHack on terminals without CM is suspect.");
tty_wait_synch();
}
SO = Tgetstr("so");
SE = Tgetstr("se");
nh_US = Tgetstr("us");
nh_UE = Tgetstr("ue");
SO = Tgetstr("so"); /* standout start */
SE = Tgetstr("se"); /* standout end */
nh_US = Tgetstr("us"); /* underline start */
nh_UE = Tgetstr("ue"); /* underline end */
SG = tgetnum("sg"); /* -1: not fnd; else # of spaces left by so */
if (!SO || !SE || (SG > 0))
SO = SE = nh_US = nh_UE = nullstr;
TI = Tgetstr("ti");
TE = Tgetstr("te");
TI = Tgetstr("ti"); /* nonconsequential cursor movement start */
TE = Tgetstr("te"); /* nonconsequential cursor movement end */
VS = VE = nullstr;
#ifdef TERMINFO
VS = Tgetstr("eA"); /* enable graphics */
@@ -282,9 +282,9 @@ tty_startup(int *wid, int *hgt)
nh_HE = dupstr(&ME[i]);
dynamic_HIHE = TRUE;
AS = Tgetstr("as");
AE = Tgetstr("ae");
nh_CD = Tgetstr("cd");
AS = Tgetstr("as"); /* alt charset start */
AE = Tgetstr("ae"); /* alt charset end */
nh_CD = Tgetstr("cd"); /* clear lines from cursor and down */
#ifdef TEXTCOLOR
#if defined(TOS) && defined(__GNUC__)
if (!strcmp(term, "builtin") || !strcmp(term, "tw52")
@@ -297,6 +297,7 @@ tty_startup(int *wid, int *hgt)
#endif
*wid = CO;
*hgt = LI;
/* cl: clear screen, set cursor to upper left */
if (!(CL = Tgetstr("cl"))) /* last thing set */
error("NetHack needs CL.");
if ((int) (tbufptr - tbuf) > (int) (sizeof tbuf))