diff options
| author | Roberto E. Vargas Caballero <k0ga@shike2.com> | 2012-09-24 10:29:37 +0200 | 
|---|---|---|
| committer | Roberto E. Vargas Caballero <k0ga@shike2.com> | 2012-09-24 10:29:37 +0200 | 
| commit | 74d6abfee5a1455c7c126d6b78760efd65d9d7c3 (patch) | |
| tree | 0a4e8673008ea81eb0dcb1f8b4d7f6d534ac0433 | |
| parent | c3b6345595c6b5ec5925544a2f462458f16cbf6a (diff) | |
Add some documentetion to tsetmode
The names of the terminal modes supported by vt102 are (taken from the VT220
programmer reference manual):
Table 4-7 ANSI-Standardized Modes
Name  Mnemonic		    Parameter (Ps)
Error (ignored)		    -         0 (3/0)
Keyboard action		    KAM	      2 (3/2)
Insert/replace		    IRM	      4 (3/4)
Send/receive		    SRM	      12 (3/1 3/2)
Line feed/new line	    LNM       20 (3/2 3/0)
Table 4-8 ANSI-Compatible DEC Private Modes
Name  Mnemonic		  Parameter (Ps)
Error (ignored)		  -	    0 (3/0)
Cursor key		  DECCKM    1 (3/1)
ANSI/VT52		  DECANM    2 (3/2)
Column			  DECCOLM   3 (3/3)
Scroll			  DECSCLM   4 (3/4)
Screen			  DECSCNM   5 (3/5)
Origin			  DECOM	    6 (3/6)
Auto wrap		  DECAWM    7 (3/7)
Auto repeat		  DECARM    8 (3/8)
Printer form feed	  DECPFF    18 (3/1 3/8)
Printer extent		  DECPEX    19 (3/1 3/9)
Text cursor enable	  DECTCEM   25 (3/2 3/5)
National replacement character sets DECNRCM 42 (3/4 3/2)
This patch adds a comment for each one of these sequences.
---
 st.c |   26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)
| -rw-r--r-- | st.c | 26 | 
1 files changed, 21 insertions, 5 deletions
| @@ -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: | 
