bsnes/processor/hg51b/hg51b.cpp

28 lines
491 B
C++

#include <processor/processor.hpp>
#include "hg51b.hpp"
namespace Processor {
#include "registers.cpp"
#include "instructions.cpp"
#include "serialization.cpp"
void HG51B::exec(uint24 addr) {
if(regs.halt) return;
addr = addr + regs.pc * 2;
opcode = bus_read(addr++) << 0;
opcode |= bus_read(addr++) << 8;
regs.pc = (regs.pc & 0xffff00) | ((regs.pc + 1) & 0x0000ff);
instruction();
}
void HG51B::power() {
regs.halt = true;
regs.n = 0;
regs.z = 0;
regs.c = 0;
}
}