psxc/src/cpu.c

#include "cpu.h"
#include "insn.h"

static cpu_insn_handler primary_insn_handler[0x34] = {};
static cpu_insn_handler secondary_insn_handler[0x34] = {};

void cpu_execute_insn(cpu_t *cpu, uint32_t insn) {
  const op_primary_t op = extract_primary_op(insn);

  if (op == SPECIAL) {
    const op_secondary_t op2 = extract_secondary_op(insn);
    secondary_insn_handler[op2](cpu, insn);
    return;
  }

  primary_insn_handler[op](cpu, insn);
}