github.com/rcornwell.sims
1
0
Fork 0
mirror of https://github.com/rcornwell/sims.git synced 2026-04-14 07:49:56 +00:00
Code Releases Activity

KS10: Similar changes to ks10_ch11.c.

Browse Source
This commit is contained in:
Lars Brinkhoff
2023-11-13 16:32:58 +01:00
parent 6f96730116
commit e9d11907d2
1 changed files with 14 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
PDP10/ks10_ch11.c
View File

@@ -79,7 +79,7 @@ int ch11_read(DEVICE *dptr, t_addr addr, uint16 *data, int32 access);
uint16 ch11_checksum (const uint8 *p, int count);
void ch11_validate (const uint8 *p, int count);
t_stat ch11_transmit (struct pdp_dib *dibp);
void ch11_receive (struct pdp_dib *dibp);
int ch11_receive (struct pdp_dib *dibp);
void ch11_clear (struct pdp_dib *dibp);
t_stat ch11_svc(UNIT *);
t_stat ch11_reset (DEVICE *);
@@ -349,10 +349,11 @@ ch11_transmit (struct pdp_dib *dibp)
ch11_csr |= CSR_TAB;
}
tx_count = 0;
ch11_csr |= CSR_TDN;
return SCPE_OK;
}
void
int
ch11_receive (struct pdp_dib *dibp)
{
size_t count;
@@ -362,16 +363,16 @@ ch11_receive (struct pdp_dib *dibp)
tmxr_poll_rx (&ch11_tmxr);
if (tmxr_get_packet_ln (&ch11_lines[0], &p, &count) != SCPE_OK) {
sim_debug (DBG_ERR, &ch11_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, &ch11_dev, "Received UDP packet, %d bytes for: %o\n", (int)count, dest);
/* Check if packet for us. */
if (dest != address && dest != 0 && (ch11_csr & CSR_SPY) == 0)
return;
return 1;
if ((CSR_RDN & ch11_csr) == 0) {
count = (count + 1) & 01776;
@@ -392,6 +393,7 @@ ch11_receive (struct pdp_dib *dibp)
if ((ch11_csr & CSR_LOS) != CSR_LOS)
ch11_csr = (ch11_csr & ~CSR_LOS) | (CSR_LOS & (ch11_csr + 01000));
}
return 1;
}
void
@@ -417,10 +419,14 @@ ch11_svc(UNIT *uptr)
DEVICE *dptr = find_dev_from_unit (uptr);
struct pdp_dib *dibp = (DIB *)dptr->ctxt;
sim_clock_coschedule (uptr, 1000);
(void)tmxr_poll_conn (&ch11_tmxr);
if (ch11_lines[0].conn) {
ch11_receive (dibp);
if (ch11_receive (dibp))
sim_activate_after (uptr, 300);
else
sim_clock_coschedule (uptr, 1000);
} else {
(void)tmxr_poll_conn (&ch11_tmxr);
sim_clock_coschedule (uptr, 1000);
}
if (tx_count == 0) {
ch11_csr |= CSR_TDN;