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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 17:41:39 +02:00
parent 4133b6a2b0
commit 9176589b59
1 changed files with 16 additions and 15 deletions
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win/tty/termcap.c
+16 -15
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@@ -227,34 +227,34 @@ tty_startup(int *wid, int *hgt)
if (CO < COLNO || LI < ROWNO + 3) if (CO < COLNO || LI < ROWNO + 3)
setclipped(); setclipped();
#endif #endif
nh_ND = Tgetstr("nd"); nh_ND = Tgetstr("nd"); /* move cursor right 1 column */
if (tgetflag("os")) if (tgetflag("os")) /* term can overstrike */
error("NetHack can't have OS."); error("NetHack can't have OS.");
if (tgetflag("ul")) if (tgetflag("ul")) /* underline by overstrike w/ underscore */
ul_hack = TRUE; ul_hack = TRUE;
CE = Tgetstr("ce"); CE = Tgetstr("ce"); /* clear line from cursor to eol */
UP = Tgetstr("up"); UP = Tgetstr("up"); /* move cursor up 1 line */
/* It seems that xd is no longer supported, and we should use /* It seems that xd is no longer supported, and we should use
a linefeed instead; unfortunately this requires resetting a linefeed instead; unfortunately this requires resetting
CRMOD, and many output routines will have to be modified CRMOD, and many output routines will have to be modified
slightly. Let's leave that till the next release. */ slightly. Let's leave that till the next release. */
XD = Tgetstr("xd"); XD = Tgetstr("xd");
/* not: XD = Tgetstr("do"); */ /* not: XD = Tgetstr("do"); */
if (!(nh_CM = Tgetstr("cm"))) { if (!(nh_CM = Tgetstr("cm"))) { /* cm: move cursor */
if (!UP && !HO) if (!UP && !HO)
error("NetHack needs CM or UP or HO."); error("NetHack needs CM or UP or HO.");
tty_raw_print("Playing NetHack on terminals without CM is suspect."); tty_raw_print("Playing NetHack on terminals without CM is suspect.");
tty_wait_synch(); tty_wait_synch();
} }
SO = Tgetstr("so"); SO = Tgetstr("so"); /* standout start */
SE = Tgetstr("se"); SE = Tgetstr("se"); /* standout end */
nh_US = Tgetstr("us"); nh_US = Tgetstr("us"); /* underline start */
nh_UE = Tgetstr("ue"); nh_UE = Tgetstr("ue"); /* underline end */
SG = tgetnum("sg"); /* -1: not fnd; else # of spaces left by so */ SG = tgetnum("sg"); /* -1: not fnd; else # of spaces left by so */
if (!SO || !SE || (SG > 0)) if (!SO || !SE || (SG > 0))
SO = SE = nh_US = nh_UE = nullstr; SO = SE = nh_US = nh_UE = nullstr;
TI = Tgetstr("ti"); TI = Tgetstr("ti"); /* nonconsequential cursor movement start */
TE = Tgetstr("te"); TE = Tgetstr("te"); /* nonconsequential cursor movement end */
VS = VE = nullstr; VS = VE = nullstr;
#ifdef TERMINFO #ifdef TERMINFO
VS = Tgetstr("eA"); /* enable graphics */ VS = Tgetstr("eA"); /* enable graphics */
@@ -282,9 +282,9 @@ tty_startup(int *wid, int *hgt)
nh_HE = dupstr(&ME[i]); nh_HE = dupstr(&ME[i]);
dynamic_HIHE = TRUE; dynamic_HIHE = TRUE;
AS = Tgetstr("as"); AS = Tgetstr("as"); /* alt charset start */
AE = Tgetstr("ae"); AE = Tgetstr("ae"); /* alt charset end */
nh_CD = Tgetstr("cd"); nh_CD = Tgetstr("cd"); /* clear lines from cursor and down */
#ifdef TEXTCOLOR #ifdef TEXTCOLOR
#if defined(TOS) && defined(__GNUC__) #if defined(TOS) && defined(__GNUC__)
if (!strcmp(term, "builtin") || !strcmp(term, "tw52") if (!strcmp(term, "builtin") || !strcmp(term, "tw52")
@@ -297,6 +297,7 @@ tty_startup(int *wid, int *hgt)
#endif #endif
*wid = CO; *wid = CO;
*hgt = LI; *hgt = LI;
/* cl: clear screen, set cursor to upper left */
if (!(CL = Tgetstr("cl"))) /* last thing set */ if (!(CL = Tgetstr("cl"))) /* last thing set */
error("NetHack needs CL."); error("NetHack needs CL.");
if ((int) (tbufptr - tbuf) > (int) (sizeof tbuf)) if ((int) (tbufptr - tbuf) > (int) (sizeof tbuf))