X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/d94e2462ae0bf5e8fb2f3108b6ba61fe4886c47c..1bbf66cfa8d4bce84261143b05ad0a438067e71d:/usr/src/cmd/adb/input.c

diff --git a/usr/src/cmd/adb/input.c b/usr/src/cmd/adb/input.c
index ce52a3ef8e..1c2531bd41 100644
--- a/usr/src/cmd/adb/input.c
+++ b/usr/src/cmd/adb/input.c
@@ -6,12 +6,13 @@
  */
 
 #include "defs.h"
+SCCSID(@(#)input.c	2.2);
 
 INT		mkfault;
 CHAR		line[LINSIZ];
 INT		infile;
 CHAR		*lp;
-CHAR		lastc EOR;
+CHAR		peekc,lastc = EOR;
 INT		eof;
 
 /* input routines */
@@ -35,12 +36,18 @@ readchar()
 	THEN	lastc=EOF;
 	ELSE	IF lp==0
 		THEN	lp=line;
+#ifdef EDDT
+			getcon(lp); eof=0; while (*lp++!=EOR);
+#else
 			REP eof = read(infile,lp,1)==0;
 			    IF mkfault THEN error(0); FI
 			PER eof==0 ANDF *lp++!=EOR DONE
+#endif
 			*lp=0; lp=line;
 		FI
-		IF lastc = *lp THEN lp++; FI
+		IF lastc = peekc THEN peekc=0;
+		ELIF lastc = *lp THEN lp++;
+		FI
 	FI
 	return(lastc);
 }
@@ -78,4 +85,22 @@ STRING		deformat;
 	IF fptr!=deformat THEN *fptr++ = '\0'; FI
 }
 
-
+#ifdef EDDT
+getcon(cs) register char *cs; {
+register char *p=cs;
+for(;;) {
+	putchar(*p++=getcnsl());
+	if (p[-1]=='\r') {putchar(p[-1]='\n'); *p++='\0'; return;}
+	if (p[-1]=='\\') {p[-1]=getcnsl(); continue;}
+	if (p[-1]=='#') {p -= 2; continue;}
+	if (p[-1]=='@') {putchar('\r'); putchar('\n'); p=cs; continue;}
+}}
+ 
+getcnsl() {
+# define RXCS	32  /*  receiver control/staus */
+# define RXDB  33  /*  receiver data */
+# define RXCS_DONE  0x80  /*  receiver done */
+while ((mfpr(RXCS) & RXCS_DONE)==0);
+return (mfpr(RXDB) & 0177);
+}
+#endif