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f8: make it clearer that m_pc(now m_debug_pc) is not related to device emulation (nw)

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This commit is contained in:
hap 2017-12-26 21:52:45 +01:00
parent 9fb0c9ad29
commit d6112e817e
2 changed files with 9 additions and 7 deletions
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14
src/devices/cpu/f8/f8.cpp
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@ -41,7 +41,7 @@ f8_cpu_device::f8_cpu_device(const machine_config &mconfig, const char *tag, dev
, m_a(0)
, m_w(0)
, m_is(0)
, m_pc(0)
, m_debug_pc(0)
{
memset(m_r, 0x00, sizeof(m_r));
}
@ -80,6 +80,7 @@ void f8_cpu_device::device_start()
m_direct = m_program->direct<0>();
m_iospace = &space(AS_IO);
save_item(NAME(m_debug_pc));
save_item(NAME(m_pc0));
save_item(NAME(m_pc1));
save_item(NAME(m_dc0));
@ -165,8 +166,8 @@ void f8_cpu_device::device_start()
state_add( F8_R62, "R62", m_r[62]).formatstr("%02X");
state_add( F8_R63, "R63", m_r[63]).formatstr("%02X");
state_add(STATE_GENPC, "GENPC", m_pc).formatstr("%04X").noshow();
state_add(STATE_GENPCBASE, "CURPC", m_pc).formatstr("%04X").noshow();
state_add(STATE_GENPC, "GENPC", m_debug_pc).formatstr("%04X").noshow();
state_add(STATE_GENPCBASE, "CURPC", m_debug_pc).formatstr("%04X").noshow();
state_add(STATE_GENFLAGS, "GENFLAGS", m_w).formatstr("%5s").noshow();
m_icountptr = &m_icount;
@ -174,6 +175,7 @@ void f8_cpu_device::device_start()
void f8_cpu_device::device_reset()
{
m_debug_pc = 0;
m_pc0 = 0;
m_pc1 = 0;
m_dc0 = 0;
@ -1685,10 +1687,10 @@ void f8_cpu_device::execute_run()
{
do
{
u8 op=m_dbus;
u8 op = m_dbus;
m_pc = (m_pc0 - 1) & 0xffff;
debugger_instruction_hook(this, (m_pc0 - 1) & 0xffff);
m_debug_pc = (m_pc0 - 1) & 0xffff;
debugger_instruction_hook(this, m_debug_pc);
switch( op )
{

2
src/devices/cpu/f8/f8.h
View File

@ -79,7 +79,7 @@ private:
/* timer shifter polynomial values (will be used for timer interrupts) */
u8 timer_shifter[256];
u16 m_pc; // For the debugger
u16 m_debug_pc; // only for the MAME debugger
inline u8 do_ad(u8 augend, u8 addend);
inline void CLR_OZCS();