folkert/simh-testsetgenerator
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

PDP11: Fixed problem in KDJ11-E programmable clock

Browse source
This commit is contained in:
Bob Supnik 2020-09-16 03:42:08 -07:00 • committed by Mark Pizzolato
parent fd71a69ea3
commit edc2410007
1 changed files with 5 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
PDP11/pdp11_cpumod.c
View file

@ -1,6 +1,6 @@
/* pdp11_cpumod.c: PDP-11 CPU model-specific features
Copyright (c) 2004-2016, Robert M Supnik
Copyright (c) 2004-2020, Robert M Supnik
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
@ -25,6 +25,7 @@
system PDP-11 model-specific registers
15-Sep-20 RMS Fixed problem in KDJ11E programmable clock (Paul Koning)
04-Mar-16 RMS Fixed maximum memory sizes to exclude IO page
14-Mar-16 RMS Modified to keep cpu_memsize in sync with MEMSIZE
06-Jun-13 RMS Fixed change model to set memory size last
@ -83,7 +84,7 @@ int32 uba_last = 0; /* UBA last mapped */
int32 ub_map[UBM_LNT_LW] = { 0 }; /* UBA map array */
int32 toy_state = 0;
uint8 toy_data[TOY_LNT] = { 0 };
static int32 clk_tps_map[4] = { 60, 60, 50, 800 };
static int32 clk_tps_map[4] = { 0, 50, 60, 800 }; /* 0 = use BEVENT */
extern int32 R[8];
extern int32 STKLIM, PIRQ;
@ -826,7 +827,7 @@ switch ((pa >> 1) & 03) { /* decode pa<2:1> */
clk_fnxm = 1;
else clk_fnxm = 0;
t = CSRJ_LTCSEL (JCSR); /* get freq sel */
if (t)
if (t != 0)
clk_tps = clk_tps_map[t];
else clk_tps = clk_default;
return SCPE_OK;
@ -917,7 +918,7 @@ switch ((pa >> 1) & 03) { /* decode pa<2:1> */
clk_fnxm = 1;
else clk_fnxm = 0;
t = CSRJ_LTCSEL (JCSR); /* get freq sel */
if (t)
if (t != 0)
clk_tps = clk_tps_map[t];
else clk_tps = clk_default;
return SCPE_OK;