luxferre/equi
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A better terminal handling

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Luxferre
2022-08-21 10:50:45 +03:00
parent 991dff3eb1
commit 5868cfb8c3
1 changed files with 9 additions and 8 deletions
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equi.c
+9 -8
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@@ -733,14 +733,21 @@ void equi_main_loop() {
ram.ibp = 65535U; ram.ibp = 65535U;
} }
#if !defined __CC65__
struct termios tty_opts_raw, tty_opts_backup;
void restore_term() {
/* restore the terminal settings */
tcsetattr(STDIN_FILENO, TCSANOW, &tty_opts_backup);
}
#endif
/* Equi VM entry point */ /* Equi VM entry point */
int main(int argc, char* argv[]) { int main(int argc, char* argv[]) {
uchar instr, bc, modec, smode = 0; uchar instr, bc, modec, smode = 0;
FILE *prog = stdin; FILE *prog = stdin;
/* _attempt_ to disable buffering for char input/output */ /* _attempt_ to disable buffering for char input/output */
#if !defined __CC65__ #if !defined __CC65__
struct termios tty_opts_raw, tty_opts_backup; atexit(&restore_term);
tcgetattr(STDIN_FILENO, &tty_opts_backup);
cfmakeraw(&tty_opts_raw); cfmakeraw(&tty_opts_raw);
tcsetattr(STDIN_FILENO, TCSANOW, &tty_opts_raw); tcsetattr(STDIN_FILENO, TCSANOW, &tty_opts_raw);
#endif #endif
@@ -764,7 +771,6 @@ int main(int argc, char* argv[]) {
else if(argv[2][0] == 's') /* enter silent mode, don't print the banners and prompts */ else if(argv[2][0] == 's') /* enter silent mode, don't print the banners and prompts */
smode = 1; smode = 1;
} }
/* Start input buffering from the start of command buffer (-1 because we use prefix increment) */ /* Start input buffering from the start of command buffer (-1 because we use prefix increment) */
ram.ibp = 65535U; ram.ibp = 65535U;
if(!ram.MM && !smode) { /* skip the terminal init and the greeting if in minification or silent mode */ if(!ram.MM && !smode) { /* skip the terminal init and the greeting if in minification or silent mode */
@@ -777,7 +783,6 @@ int main(int argc, char* argv[]) {
#endif #endif
printf("Welcome to Equi v" EQUI_VER " by Luxferre, 2022" CRLF "System RAM: %d bytes" CRLF "Equi ready" CRLF CRLF "> ", (int) sizeof(ram)); printf("Welcome to Equi v" EQUI_VER " by Luxferre, 2022" CRLF "System RAM: %d bytes" CRLF "Equi ready" CRLF CRLF "> ", (int) sizeof(ram));
} }
while(1) { /* Now, we're in the command mode loop */ while(1) { /* Now, we're in the command mode loop */
instr = fgetc(prog); /* Fetch the next instruction from the keyboard/file */ instr = fgetc(prog); /* Fetch the next instruction from the keyboard/file */
if(instr == 0xFFU || instr == 0U || instr == 3U || instr == 4U) /* exit on zero byte or ctrl+C or ctrl+D */ if(instr == 0xFFU || instr == 0U || instr == 3U || instr == 4U) /* exit on zero byte or ctrl+C or ctrl+D */
@@ -839,10 +844,6 @@ int main(int argc, char* argv[]) {
cputc(instr); /* echo it if not in silent mode */ cputc(instr); /* echo it if not in silent mode */
} }
} /* command mode loop end */ } /* command mode loop end */
#ifndef __CC65__
/* restore the terminal settings */
tcsetattr(STDIN_FILENO, TCSANOW, &tty_opts_backup);
#endif
fclose(prog); /* close the input file */ fclose(prog); /* close the input file */
return 0; return 0;
} }