vgbc/tests/cpu/test_cpu_state.cpp

#include "doctest.h"

#include "cpu/cpu.h"

TEST_CASE("16-bit registers map to two 8-bit registers")
{
  Cpu_state c;

  c.BC = 0xAA55;
  CHECK(c.B == 0xAA);
  CHECK(c.C == 0x55);

  c.DE = 0x1122;
  CHECK(c.D == 0x11);
  CHECK(c.E == 0x22);

  c.HL = 0x3344;
  CHECK(c.H == 0x33);
  CHECK(c.L == 0x44);
}

TEST_CASE("SI works correctly")
{
  Cpu_state c;


  c.IE = 0b10000111;
  c.IF = 0b10011100;

  CHECK(c.SI() == 0b00000100);
}