snes9x/apu/bapu/smp/smp.cpp

158 lines
3.0 KiB
C++

#define CYCLE_ACCURATE
#define PSEUDO_CYCLE
#include <snes/snes.hpp>
#define SMP_CPP
namespace SNES {
#if defined(DEBUGGER)
#include "debugger/debugger.cpp"
#include "debugger/disassembler.cpp"
SMPDebugger smp;
#else
SMP smp;
#endif
#include "algorithms.cpp"
#include "core.cpp"
#include "iplrom.cpp"
#include "memory.cpp"
#include "timing.cpp"
void SMP::synchronize_cpu() {
#ifndef SNES9X
if(CPU::Threaded == true) {
//if(clock >= 0 && scheduler.sync != Scheduler::SynchronizeMode::All) co_switch(cpu.thread);
} else {
while(clock >= 0) cpu.enter();
}
#endif
}
void SMP::synchronize_dsp() {
#ifndef SNES9X
if(DSP::Threaded == true) {
//if(dsp.clock < 0 && scheduler.sync != Scheduler::SynchronizeMode::All) co_switch(dsp.thread);
} else {
while(dsp.clock < 0) dsp.enter();
}
#endif
}
void SMP::enter() {
while(clock < 0) op_step();
}
void SMP::power() {
#ifndef SNES9X
Processor::frequency = system.apu_frequency();
#endif
Processor::clock = 0;
timer0.target = 0;
timer1.target = 0;
timer2.target = 0;
for(unsigned n = 0; n < 256; n++) {
cycle_table_dsp[n] = (cycle_count_table[n] * 24);
cycle_table_cpu[n] = (cycle_count_table[n] * 24) * cpu.frequency;
}
cycle_step_cpu = 24 * cpu.frequency;
reset();
}
void SMP::reset() {
for(unsigned n = 0x0000; n <= 0xffff; n++) apuram[n] = 0x00;
opcode_number = 0;
opcode_cycle = 0;
regs.pc = 0xffc0;
regs.sp = 0xef;
regs.B.a = 0x00;
regs.x = 0x00;
regs.B.y = 0x00;
regs.p = 0x02;
//$00f1
status.iplrom_enable = true;
//$00f2
status.dsp_addr = 0x00;
//$00f8,$00f9
status.ram00f8 = 0x00;
status.ram00f9 = 0x00;
//timers
timer0.enable = timer1.enable = timer2.enable = false;
timer0.stage1_ticks = timer1.stage1_ticks = timer2.stage1_ticks = 0;
timer0.stage2_ticks = timer1.stage2_ticks = timer2.stage2_ticks = 0;
timer0.stage3_ticks = timer1.stage3_ticks = timer2.stage3_ticks = 0;
}
#ifndef SNES9X
void SMP::serialize(serializer &s) {
Processor::serialize(s);
s.array(apuram, 64 * 1024);
s.integer(opcode_number);
s.integer(opcode_cycle);
s.integer(regs.pc);
s.integer(regs.sp);
s.integer(regs.a);
s.integer(regs.x);
s.integer(regs.y);
s.integer(regs.p.n);
s.integer(regs.p.v);
s.integer(regs.p.p);
s.integer(regs.p.b);
s.integer(regs.p.h);
s.integer(regs.p.i);
s.integer(regs.p.z);
s.integer(regs.p.c);
s.integer(status.iplrom_enable);
s.integer(status.dsp_addr);
s.integer(status.ram00f8);
s.integer(status.ram00f9);
s.integer(timer0.enable);
s.integer(timer0.target);
s.integer(timer0.stage1_ticks);
s.integer(timer0.stage2_ticks);
s.integer(timer0.stage3_ticks);
s.integer(timer1.enable);
s.integer(timer1.target);
s.integer(timer1.stage1_ticks);
s.integer(timer1.stage2_ticks);
s.integer(timer1.stage3_ticks);
s.integer(timer2.enable);
s.integer(timer2.target);
s.integer(timer2.stage1_ticks);
s.integer(timer2.stage2_ticks);
s.integer(timer2.stage3_ticks);
}
#endif
SMP::SMP() {
apuram = new uint8[64 * 1024];
}
SMP::~SMP() {
}
}