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SCP: Fix problem on Windows which inhibited the ability to enter console input (^E) when bells characters were being output too often. Fixes #102

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This commit is contained in:
Mark Pizzolato 2014-01-23 09:21:07 -08:00
parent 18451806b7
commit bebb787325
1 changed files with 15 additions and 2 deletions
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15
sim_console.c
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@ -2124,12 +2124,25 @@ if ((std_input == NULL) || /* No keyboard for */
return (WAIT_OBJECT_0 == WaitForSingleObject (std_input, ms_timeout)); return (WAIT_OBJECT_0 == WaitForSingleObject (std_input, ms_timeout));
} }
#define BELL_CHAR 7 /* Bell Character */
#define BELL_INTERVAL_MS 500 /* No more than 2 Bell Characters Per Second */
static t_stat sim_os_putchar (int32 c) static t_stat sim_os_putchar (int32 c)
{ {
DWORD unused; DWORD unused;
static uint32 last_bell_time;
if (c != 0177) if (c != 0177) {
if (c == BELL_CHAR) {
uint32 now = sim_os_msec ();
if ((now - last_bell_time) > BELL_INTERVAL_MS) {
WriteConsoleA(std_output, &c, 1, &unused, NULL); WriteConsoleA(std_output, &c, 1, &unused, NULL);
last_bell_time = now;
}
}
else
WriteConsoleA(std_output, &c, 1, &unused, NULL);
}
return SCPE_OK; return SCPE_OK;
} }