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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/***************************************************************************
m6502mcu.ipp
Helper for 6502 variants with internal peripherals
***************************************************************************/
#ifndef MAME_CPU_M6502_M6502MCU_IPP
#define MAME_CPU_M6502_M6502MCU_IPP
#pragma once
#include "m6502mcu.h"
template <typename Base>
m6502_mcu_device_base<Base>::m6502_mcu_device_base(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
Base(mconfig, type, tag, owner, clock)
{
}
template <typename Base>
void m6502_mcu_device_base<Base>::recompute_bcount(uint64_t event_time)
{
if(!event_time || event_time >= this->total_cycles() + this->icount)
this->bcount = 0;
else
this->bcount = this->total_cycles() + this->icount - event_time;
}
template <typename Base>
void m6502_mcu_device_base<Base>::execute_run()
{
internal_update(this->total_cycles());
this->icount -= this->count_before_instruction_step;
if(this->icount < 0) {
this->count_before_instruction_step = -this->icount;
this->icount = 0;
} else
this->count_before_instruction_step = 0;
while(this->bcount && this->icount <= this->bcount)
internal_update(this->total_cycles() + this->icount - this->bcount);
if(this->icount > 0 && this->inst_substate)
this->do_exec_partial();
while(this->icount > 0) {
while(this->icount > this->bcount) {
if(this->inst_state < 0xff00) {
this->PPC = this->NPC;
this->inst_state = this->IR | this->inst_state_base;
if(this->debugger_enabled())
this->debugger_instruction_hook(this->NPC);
}
this->do_exec_full();
}
if(this->icount > 0)
while(this->bcount && this->icount <= this->bcount)
internal_update(this->total_cycles() + this->icount - this->bcount);
if(this->icount > 0 && this->inst_substate)
this->do_exec_partial();
}
if(this->icount < 0) {
this->count_before_instruction_step = -this->icount;
this->icount = 0;
}
}
#endif // MAME_CPU_M6502_M6502MCU_IPP
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