spk_shut_up
spk_shut_up |= shut;
spk_shut_up &= ~shut;
spk_shut_up &= 0xfe;
spk_shut_up &= 0xfe;
spk_shut_up &= 0xfe;
spk_shut_up &= 0xfe;
if ((vc->vc_num != fg_console) || !synth || spk_shut_up)
spk_shut_up &= 0xfe;
if (!synth || up_flag || spk_shut_up) {
spk_shut_up &= 0xfe;
if (!synth || up_flag || spk_shut_up || cursor_track == CT_Off) {
spk_shut_up &= 0xfe;
if (spk_shut_up || !synth) {
if ((vc->vc_num != fg_console) || spk_shut_up || !synth)
spk_shut_up &= 0xfe;
spk_shut_up &= 0xfe;
spk_shut_up &= 0xfe;
spk_shut_up &= 0xfe;
spk_shut_up |= 0x01;
spk_shut_up |= 0x01;
spk_shut_up &= ~0x40;
spk_shut_up |= 0x40;
if (spk_shut_up & 0x80) {
spk_shut_up &= 0x7f;
spk_shut_up |= 0x80;