Some backspace support for a2e

equi.c

@@ -753,14 +753,19 @@ int main(int argc, char* argv[]) {
     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 == DEL || instr == CR || instr == LF || instr == ' ' || instr == '\t') { /* ignore the backspace or whitespaces */
-      if(!smode)
+      if(!smode && instr != BS && instr != DEL)
         cputc(instr); /* echo it if not in silent mode */
       if(instr == CR)
         cputc(LF);
       if(instr == DEL || instr == BS) { /* simulate backspace */
+#ifdef __CC65__
+        if(wherex()>0)
+          gotox(wherex()-1);
+#else
         cputc(BS);
         cputc(0x20);
         cputc(BS);
+#endif
         if(ram.ibp > 0)
           --ram.ibp;
       }