equi

commit 1f05ca0e9090535f02727c62927c23e57eae9909
parent 8234f91baa46b8e89a92c696ddd5543748199ec1
Author: Luxferre <lux@ferre>
Date:   Tue, 16 Aug 2022 16:35:32 +0300

Backspace hopefully fixed

Diffstat:
M
equi.c
 | 
12
++++++++++--

1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/equi.c b/equi.c
@@ -35,6 +35,7 @@
 #define uchar unsigned char /* basic 8-bit integer */
 #define WS sizeof(ushort) /* Equi word size in bytes */
 #define BS 8u /* Backspace character code */
+#define DEL 0x7fu /* Delete key code */
 #define CR 13u /* Character return code */
 #define LF 10u /* Line feed code */
 
@@ -751,11 +752,18 @@ int main(int argc, char* argv[]) {
     instr = cgetc(); /* Fetch the next instruction from the keyboard/stdin */
     if(instr == 0xFFU || instr == 0U || instr == 3U || instr == 4U) /* exit on zero byte or ctrl+C or ctrl+D */
       break;
-    else if(instr == BS || instr == CR || instr == LF || instr == ' ' || instr == '\t') { /* ignore the backspace or whitespaces */
+    else if(instr == BS || instr == DEL || instr == CR || instr == LF || instr == ' ' || instr == '\t') { /* ignore the backspace or whitespaces */
       if(!smode)
         cputc(instr); /* echo it if not in silent mode */
       if(instr == CR)
         cputc(LF);
+      if(instr == DEL || instr == BS) { /* simulate backspace */
+        cputc(BS);
+        cputc(0x20);
+        cputc(BS);
+        if(ram.ibp > 0)
+          --ram.ibp;
+      }
     } else if(instr == INS_IISTART) { /* process II start */
       if(!smode)
         cputc(instr); /* echo it if not in silent mode */
@@ -796,7 +804,7 @@ int main(int argc, char* argv[]) {
         cputc(instr); /* echo it if not in silent mode */
     }
   } /* command mode loop end */
-#if !defined __CC65__ && !defined __TINYC__
+#ifndef __CC65__
   /* restore the terminal settings */
   tcsetattr(STDIN_FILENO, TCSANOW, &tty_opts_backup);
 #endif