summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/cpu/pdp1
diff options
context:
space:
mode:
author Vas Crabb <vas@vastheman.com>2018-03-28 05:25:15 +1100
committer Vas Crabb <vas@vastheman.com>2018-03-28 05:25:15 +1100
commit010155a3c51aa80dcf736b52ec89ffd890f795ef (patch)
treea732be4076a467e5dc25f088f9296544f364f858 /src/devices/cpu/pdp1
parent703564beccc92a6b6b33ab9562732a4e7ceaae8d (diff)
Reshuffle some stuff:
* Move around the debugger hooks to get a small but measurable performance increase * Remove emucore from external tools * Improve performance of DSP16 interpreter a little by generating six variants of execution loop
Diffstat (limited to 'src/devices/cpu/pdp1')
-rw-r--r--src/devices/cpu/pdp1/pdp1.cpp4
-rw-r--r--src/devices/cpu/pdp1/tx0.cpp6
2 files changed, 5 insertions, 5 deletions
diff --git a/src/devices/cpu/pdp1/pdp1.cpp b/src/devices/cpu/pdp1/pdp1.cpp
index 5f56755d6df..a8704ad29d3 100644
--- a/src/devices/cpu/pdp1/pdp1.cpp
+++ b/src/devices/cpu/pdp1/pdp1.cpp
@@ -649,7 +649,7 @@ void pdp1_device::device_start()
state_add( STATE_GENPCBASE, "CURPC", m_pc ).noshow();
state_add( STATE_GENFLAGS, "GENFLAGS", m_pf ).formatstr("%13s").noshow();
- m_icountptr = &m_icount;
+ set_icountptr(m_icount);
/* reset CPU flip-flops */
pulse_start_clear();
@@ -796,7 +796,7 @@ void pdp1_device::execute_run()
{
do
{
- debugger_instruction_hook(this, PC);
+ debugger_instruction_hook(PC);
/* ioh should be cleared at the end of the instruction cycle, and ios at the
diff --git a/src/devices/cpu/pdp1/tx0.cpp b/src/devices/cpu/pdp1/tx0.cpp
index b4c3c693675..99636fcb9c2 100644
--- a/src/devices/cpu/pdp1/tx0.cpp
+++ b/src/devices/cpu/pdp1/tx0.cpp
@@ -220,7 +220,7 @@ void tx0_device::device_start()
state_add(STATE_GENPCBASE, "CURPC", m_pc).formatstr("0%06O").noshow();
state_add(STATE_GENFLAGS, "GENFLAGS", m_ir).noshow();
- m_icountptr = &m_icount;
+ set_icountptr(m_icount);
}
@@ -255,7 +255,7 @@ void tx0_64kw_device::execute_run()
{
do
{
- debugger_instruction_hook(this, PC);
+ debugger_instruction_hook(PC);
if (m_ioh && m_ios)
@@ -358,7 +358,7 @@ void tx0_8kw_device::execute_run()
{
do
{
- debugger_instruction_hook(this, PC);
+ debugger_instruction_hook(PC);
if (m_ioh && m_ios)