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PDP11: Add auto configure and build_dib_tab to cpu_reset.

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The mapping of addresses in the I/O page needs to be populated before
it can be referenced.  This change allows commands at the initial sim>
prompt to touch device registers with EXAMINE and DEPOSIT as discussed
in #261
This commit is contained in:
Mark Pizzolato 2015-12-29 10:11:39 -08:00
parent 318dbb7aee
commit ac837e5be2
1 changed files with 12 additions and 8 deletions
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20
PDP11/pdp11_cpu.c
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@ -3022,25 +3022,29 @@ PIRQ = 0;
STKLIM = 0;
if (CPUT (CPUT_T)) /* T11? */
PSW = 000340; /* start at IPL 7 */
else PSW = 0; /* else at IPL 0 */
else
PSW = 0; /* else at IPL 0 */
MMR0 = 0;
MMR1 = 0;
MMR2 = 0;
MMR3 = 0;
trap_req = 0;
wait_state = 0;
if (M == NULL)
if (M == NULL) { /* First time init */
M = (uint16 *) calloc (MEMSIZE >> 1, sizeof (uint16));
if (M == NULL)
return SCPE_MEM;
if (M == NULL)
return SCPE_MEM;
sim_brk_types = sim_brk_dflt = SWMASK ('E');
sim_vm_is_subroutine_call = &cpu_is_pc_a_subroutine_call;
auto_config(NULL, 0); /* do an initial auto configure */
}
pcq_r = find_reg ("PCQ", NULL, dptr);
if (pcq_r)
pcq_r->qptr = 0;
else return SCPE_IERR;
sim_brk_types = sim_brk_dflt = SWMASK ('E');
sim_vm_is_subroutine_call = &cpu_is_pc_a_subroutine_call;
else
return SCPE_IERR;
set_r_display (0, MD_KER);
return SCPE_OK;
return build_dib_tab (); /* build, chk dib_tab */
}
static const char *cpu_next_caveats =