Add some documentetion to tsetmode

[st.git] / st.c

diff --git a/st.c b/st.c
index d432ee7..9760b6c 100644 (file)
--- a/st.c
+++ b/st.c
@@ -1280,7 +1280,8 @@ tsetmode(bool priv, bool set, int *args, int narg) {
        for(lim = args + narg; args < lim; ++args) {
                if(priv) {
                        switch(*args) {
-                       case 1:
+                               break;
+                       case 1: /* DECCKM -- Cursor key */
                                MODBIT(term.mode, set, MODE_APPKEYPAD);
                                break;
                        case 5: /* DECSCNM -- Reverve video */
@@ -1289,9 +1290,14 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                                if(mode != term.mode)
                                        redraw();
                                break;
-                       case 7:
+                       case 6: /* XXX: DECOM -- Origin */
+                               break;
+                       case 7: /* DECAWM -- Auto wrap */
                                MODBIT(term.mode, set, MODE_WRAP);
                                break;
+                       case 8: /* XXX: DECARM -- Auto repeat */
+                               break;
+                       case 0:  /* Error (IGNORED) */
                        case 12: /* att610 -- Start blinking cursor (IGNORED) */
                                break;
                        case 25:
@@ -1319,6 +1325,12 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                                tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
                                break;
                        default:
+                       /* case 2:  DECANM -- ANSI/VT52 (NOT SUPPOURTED) */
+                       /* case 3:  DECCOLM -- Column  (NOT SUPPORTED) */
+                       /* case 4:  DECSCLM -- Scroll (NOT SUPPORTED) */
+                       /* case 18: DECPFF -- Printer feed (NOT SUPPORTED) */
+                       /* case 19: DECPEX -- Printer extent (NOT SUPPORTED) */
+                       /* case 42: DECNRCM -- National characters (NOT SUPPORTED) */
                                fprintf(stderr,
                                        "erresc: unknown private set/reset mode %d\n",
                                        *args);
@@ -1326,13 +1338,17 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                        }
                } else {
                        switch(*args) {
-                       case 2:
+                       case 0:  /* Error (IGNORED) */
+                               break;
+                       case 2:  /* KAM -- keyboard action */
                                MODBIT(term.mode, set, MODE_KBDLOCK);
                                break;
-                       case 4:
+                       case 4:  /* IRM -- Insertion-replacement */
                                MODBIT(term.mode, set, MODE_INSERT);
                                break;
-                       case 20:
+                       case 12: /* XXX: SRM -- Send/Receive */
+                               break;
+                       case 20: /* LNM -- Linefeed/new line */
                                MODBIT(term.mode, set, MODE_CRLF);
                                break;
                        default: