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KA10: Poll quicker for Chaosnet packet when there's traffic.

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This commit is contained in:
Lars Brinkhoff
2023-11-13 08:42:09 +01:00
parent 865c03d3c1
commit 6f96730116
1 changed files with 12 additions and 7 deletions
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19
PDP10/ka10_ch10.c
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@@ -256,7 +256,7 @@ t_stat ch10_transmit ()
return SCPE_OK;
}
void ch10_receive (void)
int ch10_receive (void)
{
size_t count;
const uint8 *p;
@@ -265,16 +265,16 @@ void ch10_receive (void)
tmxr_poll_rx (&ch10_tmxr);
if (tmxr_get_packet_ln (&ch10_lines[0], &p, &count) != SCPE_OK) {
sim_debug (DBG_ERR, &ch10_dev, "TMXR error receiving packet\n");
return;
return 0;
}
if (p == NULL)
return;
return 0;
dest = ((p[4+CHUDP_HEADER] & 0xff) << 8) + (p[5+CHUDP_HEADER] & 0xff);
sim_debug (DBG_PKT, &ch10_dev, "Received UDP packet, %d bytes for: %o\n", (int)count, dest);
/* Check if packet for us. */
if (dest != address && dest != 0 && (ch10_status & SPY) == 0)
return;
return 1;
if ((RXD & ch10_status) == 0) {
count = (count + 1) & 01776;
@@ -292,6 +292,7 @@ void ch10_receive (void)
if ((ch10_status & LOST) < LOST)
ch10_status += 01000;
}
return 1;
}
void ch10_clear (void)
@@ -411,11 +412,15 @@ t_stat ch10_devio(uint32 dev, uint64 *data)
t_stat ch10_svc(UNIT *uptr)
{
sim_clock_coschedule (uptr, 1000);
(void)tmxr_poll_conn (&ch10_tmxr);
if (ch10_lines[0].conn) {
ch10_receive ();
if (ch10_receive ()) {
sim_activate_after (uptr, 300);
return SCPE_OK;
}
} else {
(void)tmxr_poll_conn (&ch10_tmxr);
}
sim_clock_coschedule (uptr, 1000);
return SCPE_OK;
}