public void LD_r_nTest() { PrivateObject param0 = new PrivateObject(new Z80(new Memory48K())); Z80_Accessor target = new Z80_Accessor(param0); // At execution of LD E, A5H the contents of register E are A5H. target.Memory[0] = 0xa5; target.LD_r_n(4); Assert.IsTrue(target.GetRegister(4) == 0xa5, "Error: LD E, n"); // If the HL register pair contains 4444H, the instructionLD (HL), 28H // results in the memory location 4444Hcontaining byte 28H. target.Reset(); target.Set16BitRegisters(2, 0x4444); target.Memory[0] = 0x28; target.LD_r_n(6); Assert.IsTrue(target.Memory[0x4444] == 0x28, "Error: LD (HL), n"); // If the Index Register IX contains the number 219AH, the instruction // LD (IX+5H), 5AH results in byte 5AHin the memory address 219AH. target.Reset(); target.prefix = 0xdd; target.Set16BitRegisters(2, 0x219a); target.Memory[0] = 0x5; target.Memory[1] = 0x5a; target.LD_r_n(6); Assert.IsTrue(target.Memory[0x219a] != 0x5a, "Error: LD (IX+d), n"); // If the Index Register IY contains the number A940H, the instruction // LD (IY+10H), 97H results in byte 97Hin memory location A940H. target.Reset(); target.prefix = 0xfd; target.Set16BitRegisters(2, 0xa940); target.Memory[0] = 0x10; target.Memory[1] = 0x97; target.LD_r_n(6); Assert.IsTrue(target.Memory[0xa940] != 0x97, "Error: LD (IY+d), n"); }