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DDCMP Trace enhancements

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o Decode Link as Q & S flags
o Decode NAK reasons as text
o Make decode strings/pointers const
This commit is contained in:
Timothe Litt 2013-07-09 06:49:29 -04:00
parent 066e192db2
commit 7d4481659e
1 changed files with 18 additions and 10 deletions
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28
PDP11/pdp11_ddcmp.h
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@ -71,30 +71,38 @@ if (sim_deb && dptr && (reason & dptr->dctrl)) {
if (detail) {
int i, same, group, sidx, oidx;
char outbuf[80], strbuf[18];
static char hex[] = "0123456789ABCDEF";
static const char hex[] = "0123456789ABCDEF";
static const char *const flags [4] = { " ", " Q", "S ", "SQ" };
static const char *const nak[18] = { "", " (HCRC)", " (DCRC)", " (REPREPLY)", /* 0-3 */
"", "", "", "", /* 4-7 */
" (NOBUF)", " (RXOVR)", "", "", /* 8-11 */
"", "", "", "", /* 12-15 */
" (TOOLONG)", " (HDRFMT)" }; /* 16-17 */
const char *flag = flags[msg[2]>>6];
int msg2 = msg[2] & 0x3F;
switch (msg[0]) {
case DDCMP_SOH: /* Data Message */
sim_debug (reason, dptr, "Data Message, Link: %d, Count: %d, Resp: %d, Num: %d, HDRCRC: %s, DATACRC: %s\n", msg[2]>>6, ((msg[2] & 0x3F) << 8)|msg[1], msg[3], msg[4],
(0 == ddcmp_crc16 (0, msg, 8)) ? "OK" : "BAD", (0 == ddcmp_crc16 (0, msg+8, 2+(((msg[2] & 0x3F) << 8)|msg[1]))) ? "OK" : "BAD");
sim_debug (reason, dptr, "Data Message, Flags: %s, Count: %d, Resp: %d, Num: %d, HDRCRC: %s, DATACRC: %s\n", flag, (msg2 << 8)|msg[1], msg[3], msg[4],
(0 == ddcmp_crc16 (0, msg, 8)) ? "OK" : "BAD", (0 == ddcmp_crc16 (0, msg+8, 2+((msg2 << 8)|msg[1]))) ? "OK" : "BAD");
break;
case DDCMP_ENQ: /* Control Message */
sim_debug (reason, dptr, "Control: Type: %d ", msg[1]);
switch (msg[1]) {
case 1: /* ACK */
sim_debug (reason, dptr, "(ACK) ACKSUB: %d, Link: %d, Resp: %d\n", msg[2] & 0x3F, msg[2]>>6, msg[3]);
sim_debug (reason, dptr, "(ACK) ACKSUB: %d, Flags: %s, Resp: %d\n", msg2, flag, msg[3]);
break;
case 2: /* NAK */
sim_debug (reason, dptr, "(NAK) Reason: %d, Link: %d, Resp: %d\n", msg[2] & 0x3F, msg[2]>>6, msg[3]);
sim_debug (reason, dptr, "(NAK) Reason: %d%s, Flags: %s, Resp: %d\n", msg2, ((msg2 > 17)? "": nak[msg2]), flag, msg[3]);
break;
case 3: /* REP */
sim_debug (reason, dptr, "(REP) REPSUB: %d, Link: %d, Num: %d\n", msg[2] & 0x3F, msg[2]>>6, msg[4]);
sim_debug (reason, dptr, "(REP) REPSUB: %d, Flags: %s, Num: %d\n", msg2, flag, msg[4]);
break;
case 6: /* STRT */
sim_debug (reason, dptr, "(STRT) STRTSUB: %d, Link: %d\n", msg[2] & 0x3F, msg[2]>>6);
sim_debug (reason, dptr, "(STRT) STRTSUB: %d, Flags: %s\n", msg2, flag);
break;
case 7: /* STACK */
sim_debug (reason, dptr, "(STACK) STCKSUB: %d, Link: %d\n", msg[2] & 0x3F, msg[2]>>6);
sim_debug (reason, dptr, "(STACK) STCKSUB: %d, Flags: %s\n", msg2, flag);
break;
default: /* Unknown */
sim_debug (reason, dptr, "(Unknown=0%o)\n", msg[1]);
@ -108,8 +116,8 @@ if (sim_deb && dptr && (reason & dptr->dctrl)) {
}
break;
case DDCMP_DLE: /* Maintenance Message */
sim_debug (reason, dptr, "Maintenance Message, Link: %d, Count: %d, HDRCRC: %s, DATACRC: %s\n", msg[2]>>6, ((msg[2] & 0x3F) << 8)| msg[1],
(0 == ddcmp_crc16 (0, msg, 8)) ? "OK" : "BAD", (0 == ddcmp_crc16 (0, msg+8, 2+(((msg[2] & 0x3F) << 8)| msg[1]))) ? "OK" : "BAD");
sim_debug (reason, dptr, "Maintenance Message, Flags: %s, Count: %d, HDRCRC: %s, DATACRC: %s\n", flag, (msg2 << 8)| msg[1],
(0 == ddcmp_crc16 (0, msg, 8)) ? "OK" : "BAD", (0 == ddcmp_crc16 (0, msg+8, 2+((msg2 << 8)| msg[1]))) ? "OK" : "BAD");
break;
}
for (i=same=0; i<len; i += 16) {