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added tests for LDX

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jborza 2019-04-14 22:01:32 +02:00
parent 52ebab7f50
commit bcf8632cbc
1 changed files with 120 additions and 6 deletions
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126
test6502.c
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@ -61,6 +61,20 @@ void assertA(State6502* state, byte expected) {
}
}
void assertX(State6502* state, byte expected) {
if (state->x != expected) {
printf("Unexpected value in X, expected %02X, was %02X", expected, state->x);
exit(1);
}
}
void assertY(State6502* state, byte expected) {
if (state->y != expected) {
printf("Unexpected value in X, expected %02X, was %02X", expected, state->y);
exit(1);
}
}
////////////////////////////////////////
@ -557,17 +571,117 @@ void test_AND_INDY() {
test_cleanup(&state);
}
//// LDX
void test_LDX_IMM() {
//initialize
State6502 state = create_blank_state();
//arrange
char program[] = { LDX_IMM, 0xAA }; //LDX #$AA
memcpy(state.memory, program, sizeof(program));
//act
test_step(&state);
//assert
assertX(&state, 0xAA);
test_cleanup(&state);
}
void test_LDX_ZP() {
//initialize
State6502 state = create_blank_state();
//arrange
char program[] = { LDX_ZP, 0x03, 0x00, 0xAA }; //LDX $3
memcpy(state.memory, program, sizeof(program));
//act
test_step(&state);
//assert
assertX(&state, 0xAA);
//cleanup
test_cleanup(&state);
}
void test_LDX_ZPY() {
//initialize
State6502 state = create_blank_state();
state.x = 0x01;
//arrange
char program[] = { LDX_ZPY, 0x02, 0x00, 0xAA }; //LDX $02,X
memcpy(state.memory, program, sizeof(program));
//act
test_step(&state);
//assert
assertX(&state, 0xAA);
//cleanup
test_cleanup(&state);
}
void test_LDX_ABS() {
//initialize
State6502 state = create_blank_state();
//arrange
char program[] = { LDX_ABS, 0x01, 0x04 }; //LDX $0401
memcpy(state.memory, program, sizeof(program));
state.memory[0x401] = 0xAA;
//act
test_step(&state);
//assert
assertX(&state, 0xAA);
//cleanup
test_cleanup(&state);
}
void test_LDX_ABSY() {
//initialize
State6502 state = create_blank_state();
state.y = 0x02;
//arrange
char program[] = { LDX_ABSY, 0x01, 0x04 }; //LDX $0401,y
memcpy(state.memory, program, sizeof(program));
state.memory[0x403] = 0xAA;
//act
test_step(&state);
//assert
assertX(&state, 0xAA);
//cleanup
test_cleanup(&state);
}
/////////////////////
typedef void fp();
fp* tests_lda[] = { test_LDA_IMM, test_LDA_ZP, test_LDA_ZPX, test_LDA_ABS, test_LDA_ABSX, test_LDA_ABSY, test_LDA_INDX, test_LDA_INDY };
fp* tests_ora[] = { test_ORA_IMM, test_ORA_ZP, test_ORA_ZPX, test_ORA_ABS, test_ORA_ABSX, test_ORA_ABSY, test_ORA_INDX, test_ORA_INDY};
fp* tests_and[] = { test_AND_IMM, test_AND_ZP, test_AND_ZPX, test_AND_ABS, test_AND_ABSX, test_AND_ABSY, test_AND_INDX, test_AND_INDY };
fp* tests_ldx[] = { test_LDX_IMM, test_LDX_ZP, test_LDX_ZPY, test_LDX_ABS, test_LDX_ABSY };
void run_suite(fp* suite[]) {
for (int i = 0; i < sizeof(suite) / sizeof(fp*); i++)
suite[i]();
}
void run_tests() {
for(int i = 0; i < sizeof(tests_lda)/sizeof(fp*); i++)
tests_lda[i]();
for (int i = 0; i < sizeof(tests_ora) / sizeof(fp*); i++)
tests_ora[i]();
for (int i = 0; i < sizeof(tests_and) / sizeof(fp*); i++)
tests_and[i]();
run_suite(tests_lda);
run_suite(tests_ora);
run_suite(tests_and);
run_suite(tests_ldx);
}