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Limit service from being processed more often than coins. JVS' + noisy switches can cause coin problems.

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Kevin Nakamura 2022-09-11 05:43:14 +09:00 committed by Thomas Daede
parent 29450db62e
commit 81ae6dfd11
1 changed files with 11 additions and 0 deletions
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11
firmware/td-io.c
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@ -382,9 +382,20 @@ int main() {
msg_send[o] = JVS_REPORT_GOOD; msg_send[o] = JVS_REPORT_GOOD;
o++; o++;
uint32_t switches = read_switches(); uint32_t switches = read_switches();
/* With JVS' speeds, buttons can get bouncy. Games generally only process
* inputs once per frame, but coin and service logic can happen between game
* frames. We limit coin processing at a rate well above bounciness but less
* than 1/60th of a second. */
static uint8_t service_pressed = 0;
if ((now - last_process_coin) > 12000) { if ((now - last_process_coin) > 12000) {
process_coin(switches); process_coin(switches);
last_process_coin = now; last_process_coin = now;
service_pressed = (switches >> SR_SERVICE) & 1;
}
else {
switches = (switches & ~(1 << SR_SERVICE)
| (service_pressed << SR_SERVICE));
} }
msg_send[o] = ((switches >> SR_TEST) & 1) << 7 msg_send[o] = ((switches >> SR_TEST) & 1) << 7
| ((switches >> SR_TILT) & 1) << 6; | ((switches >> SR_TILT) & 1) << 6;