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ALL simulators with instruction history support: Minor history enhancements

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- Issue reasonable error message explaining invalid SET CPU HISTORY=n input
- Let SIGINT (^C) abort SHOW HISTORY output
This commit is contained in:
Mark Pizzolato
2023-12-04 10:57:31 -10:00
parent 42d6f414fc
commit 6d376b2fd9
29 changed files with 245 additions and 74 deletions
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10
B5500/b5500_cpu.c
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@@ -3929,8 +3929,10 @@ cpu_set_hist(UNIT * uptr, int32 val, CONST char *cptr, void *desc)
return SCPE_OK;
}
lnt = (int32) get_uint(cptr, 10, HIST_MAX, &r);
if ((r != SCPE_OK) || (lnt && (lnt < HIST_MIN)))
return SCPE_ARG;
if (r != SCPE_OK)
return sim_messagef (SCPE_ARG, "Invalid Numeric Value: %s. Maximum is %d\n", cptr, HIST_MAX);
if (lnt && (lnt < HIST_MIN))
return sim_messagef (SCPE_ARG, "%d is less than the minumum history value of %d\n", lnt, HIST_MIN);
hst_p = 0;
if (hst_lnt) {
free(hst);
@@ -3974,6 +3976,10 @@ cpu_show_hist(FILE * st, UNIT * uptr, int32 val, CONST void *desc)
" X S F R M GH KV Flags"
" Q Intruction IAR\n\n");
for (k = 0; k < lnt; k++) { /* print specified */
if (stop_cpu) { /* Control-C (SIGINT) */
stop_cpu = FALSE;
break; /* abandon remaining output */
}
h = &hst[(++di) % hst_lnt]; /* entry pointer */
if (h->c & HIST_PC) { /* instruction? */
int i;