void test_movwf_should_read_data_from_WREG_and_store_into_file_register(void)
{
int fileAddress = 0x70;
WREG = 0x39;
int accessType = AccessRAM;
movwf (fileAddress, accessType);
int dataMemoryAddr = getFileAddress (fileAddress, accessType);
TEST_ASSERT_EQUAL_INT8(0x39, memory[dataMemoryAddr]);
}
void test_movwf_given_a_is_1_should_read_data_from_WREG_and_store_into_file_register_with_BSR(void)
{
int fileAddress = 0x570;
WREG = 0x67;
BSR = 5;
int accessType = BankRAM;
movwf (fileAddress, accessType);
int dataMemoryAddr = getFileAddress (fileAddress, accessType);
TEST_ASSERT_EQUAL_INT8(0x67, memory[dataMemoryAddr]);
}
void test_movwf_should_move_content_inside_WREG_to_selected_file_register(){
CEXCEPTION_T errorStatus;
//Test fixture
Bytecode code = {.instruction = {.mnemonic = MOVWF, .name = "movwf"},
.operand1 = 0x23,
.operand2 = -1,
.operand3 = -1,
.absoluteAddress = 0x80
};
//Initialize WREG with value 0x45
FSR[WREG] = 0x45;
Try{
movwf(&code);
}Catch(errorStatus){
TEST_ASSERT_EQUAL(ERR_INVALID_OPERAND1, errorStatus);
}
TEST_ASSERT_EQUAL_HEX8(0x45,FSR[code.operand1]);
TEST_ASSERT_EQUAL_HEX8(0x81,code.absoluteAddress);
}
void test_movwf_should_throw_an_exception_if_operand2_is_F(){
CEXCEPTION_T errorStatus;
//Test fixture
Bytecode code = {.instruction = {.mnemonic = MOVWF, .name = "movwf"},
.operand1 = 0xB3,
.operand2 = F,
.operand3 = -1,
.absoluteAddress = 0x9A
};
//Initialize WREG with value 0x45
FSR[code.operand1] = 0x00;
FSR[WREG] = 0x45;
Try{
movwf(&code);
}Catch(errorStatus){
TEST_ASSERT_EQUAL(ERR_INVALID_OPERAND2, errorStatus);
}
TEST_ASSERT_EQUAL_HEX8(0x00,FSR[code.operand1]);
TEST_ASSERT_EQUAL_HEX8(0x9A,code.absoluteAddress);
}
void test_movwf_with_invalid_bsr_should_throw_exception(){
CEXCEPTION_T errorStatus;
//Test fixture
Bytecode code = {.instruction = {.mnemonic = MOVWF, .name = "movwf"},
.operand1 = 0x40,
.operand2 = BANKED,
.operand3 = -1,
.absoluteAddress = 0xAD
};
//Initialize WREG with value 0x58
FSR[BSR] = 0x10;
FSR[WREG] = 0x58;
Try{
movwf(&code);
}Catch(errorStatus){
TEST_ASSERT_EQUAL(ERR_INVALID_BSR, errorStatus);
}
TEST_ASSERT_EQUAL_HEX8(0x00,FSR[code.operand1]);
TEST_ASSERT_EQUAL_HEX8(0xAD,code.absoluteAddress);
}
void test_movwf_with_valid_op2_op3_should_move_0x58_inside_WREG_to_selected_file_register_0x237(){
CEXCEPTION_T errorStatus;
//Test fixture
Bytecode code = {.instruction = {.mnemonic = MOVWF, .name = "movwf"},
.operand1 = 0x88,
.operand2 = BANKED,
.operand3 = -1,
.absoluteAddress = 0x11
};
//Initialize WREG with value 0x58
FSR[BSR] = 0x02;
FSR[WREG] = 0x58;
Try{
movwf(&code);
}Catch(errorStatus){
TEST_ASSERT_EQUAL(ERR_INVALID_OPERAND3, errorStatus);
}
TEST_ASSERT_EQUAL_HEX8(0x58,FSR[code.operand1+(FSR[BSR]<<8)]);
TEST_ASSERT_EQUAL_HEX8(0x12,code.absoluteAddress);
}
void test_movwf_should_throw_an_exception_if_operand2_and_3_are_ACCESS_and_BANKED(){
CEXCEPTION_T errorStatus;
//Test fixture
Bytecode code = {.instruction = {.mnemonic = MOVWF, .name = "movwf"},
.operand1 = 0x63,
.operand2 = ACCESS,
.operand3 = BANKED,
.absoluteAddress = 0x101
};
//Initialize WREG with value 0x45
FSR[code.operand1] = 0xA0;
FSR[WREG] = 0x45;
Try{
movwf(&code);
}Catch(errorStatus){
TEST_ASSERT_EQUAL(ERR_INVALID_OPERAND3, errorStatus);
}
TEST_ASSERT_EQUAL_HEX8(0xA0,FSR[code.operand1]);
TEST_ASSERT_EQUAL_HEX8(0x101,code.absoluteAddress);
}
