def test_push_from_register(self):
""" Pushed value in register to stack """
self.cpu.registers[REG.A].value = 0xdead
# SET PUSH, A
self.cpu.ram[0].value = pack_instruction(op_code=OPCODE.SET,
a=Value.push_pop(),
b=Value.reg(REG.A))
self.emulator.dispatch()
self.assertTrue(self.cpu.ram[self.cpu.SP.value].value == 0xdead, "Stack pushing b0rked")
def test_pop_into_reg(self):
""" Pops from stack into register """
self.cpu.ram[self.cpu.SP.value].value = 0xdead
# SET A POP
self.cpu.ram[0].value = pack_instruction(op_code=OPCODE.SET,
a=Value.reg(REG.A),
b=Value.push_pop())
self.emulator.dispatch()
self.assertTrue(self.cpu.registers[REG.A].value == 0xdead, "Stack popping b0rked")
