C++ (Cpp) CodeGenerator::block Examples

Example #1

File: test_inc_dec_instructions.cpp Project: nnarain/gameboy

TEST(IncDecInstructions, Inc8Bit)
{
	CodeGenerator code;
	code.block(
		0x3E, 0x01, // LD A,1
		0x06, 0x02, // LD B,2
		0x0E, 0x03, // LD C,3
		0x16, 0x04, // LD D,4
		0x1E, 0x05, // LD E,5
		0x26, 0x06, // LD H,6
		0x2E, 0x07, // LD L,7

		0x3C,		// INC A
		0x04,		// INC B
		0x0C,		// INC C
		0x14,		// INC D
		0x1C,		// INC E
		0x24,		// INC H
		0x2C,		// INC L

		0x76        // halt
	);


	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());

	EXPECT_EQ(status.a, 2);
	EXPECT_EQ(status.b, 3);
	EXPECT_EQ(status.c, 4);
	EXPECT_EQ(status.d, 5);
	EXPECT_EQ(status.e, 6);
	EXPECT_EQ(status.h, 7);
	EXPECT_EQ(status.l, 8);
}

Example #2

File: test_inc_dec_instructions.cpp Project: nnarain/gameboy

TEST(IncDecInstructions, Dec8Bit)
{
	CodeGenerator code;
	code.block(
		0x3E, 0x01, // LD A,1
		0x06, 0x02, // LD B,2
		0x0E, 0x03, // LD C,3
		0x16, 0x04, // LD D,4
		0x1E, 0x05, // LD E,5
		0x26, 0x06, // LD H,6
		0x2E, 0x07, // LD L,7

		0x3D,		// DEC A
		0x05,		// DEC B
		0x0D,		// DEC C
		0x15,		// DEC D
		0x1D,		// DEC E
		0x25,		// DEC H
		0x2D,		// DEC L

		0x76        // halt
	);


	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());

	EXPECT_EQ(status.a, 0);
	EXPECT_EQ(status.b, 1);
	EXPECT_EQ(status.c, 2);
	EXPECT_EQ(status.d, 3);
	EXPECT_EQ(status.e, 4);
	EXPECT_EQ(status.h, 5);
	EXPECT_EQ(status.l, 6);
}

Example #3

File: test_inc_dec_instructions.cpp Project: nnarain/gameboy

TEST(IncDecInstructions, Dec16Bit)
{
	CodeGenerator code;
	code.block(
		0x01, 0x34, 0x12,	// LD BC,$1234
		0x11, 0x78, 0x56,	// LD DE,$5678
		0x21, 0xBC, 0x9A,	// LD HL,$9ABC
		0x31, 0xFE, 0xFF,	// LD SP,$FFFE

		0x0B,				// DEC BC
		0x1B,				// DEC DE
		0x2B,				// DEC HL
		0x3B,				// DEC SP

		0x76				// halt
	);

	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());

	EXPECT_EQ(status.bc, 0x1233);
	EXPECT_EQ(status.de, 0x5677);
	EXPECT_EQ(status.hl, 0x9ABB);
	EXPECT_EQ(status.sp, 0xFFFD);
}

Example #4

File: test_invalid_opcodes.cpp Project: nnarain/gameboy

static void testInvalidOpcode(uint8_t opcode)
{
	CodeGenerator code;
	code.block(
		opcode,
		0x76
	);

	GameboyCore gameboy;
	(void)run(gameboy, code.rom());
}

Example #5

File: test_misc.cpp Project: nnarain/gameboy

TEST(MiscInstructions, SetCarry)
{
	CodeGenerator code;
	code.block(
		0x37,
		0x76        // halt
	);

	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());

	EXPECT_EQ(status.f & CPU::Flags::C, CPU::Flags::C);
}

Example #6

File: test_inc_dec_instructions.cpp Project: nnarain/gameboy

TEST(IncDecInstructions, HalfCarryFlag)
{
	CodeGenerator code;
	code.block(
		0x06, 0x0F,			// LD B,$0F
		0x04,				// INC B
		0x76				// halt
	);


	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());

	EXPECT_EQ(status.f & CPU::Flags::H, CPU::Flags::H);
	EXPECT_EQ(status.f & CPU::Flags::N, 0);
}

Example #7

File: test_misc.cpp Project: nnarain/gameboy

TEST(MiscInstructions, ComplementA)
{
	CodeGenerator code;
	code.block(
		0x3E, 0x00, // LD A,$00
		0x2F,		// CPL

		0x76        // halt
	);

	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());

	EXPECT_EQ(status.a, 0xFF);
	EXPECT_EQ(status.f & CPU::Flags::H, CPU::Flags::H);
	EXPECT_EQ(status.f & CPU::Flags::N, CPU::Flags::N);
}

Example #8

File: test_inc_dec_instructions.cpp Project: nnarain/gameboy

TEST(IncDecInstructions, HalfBorrow)
{
	CodeGenerator code;
	code.block(
		0x06, 0x10,			// LD B,$10
		0x05,				// DEC B
		0x76				// halt
	);


	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());

	EXPECT_EQ(status.f & CPU::Flags::C, 0);
	EXPECT_EQ(status.f & CPU::Flags::H, CPU::Flags::H);
	EXPECT_EQ(status.f & CPU::Flags::N, CPU::Flags::N);
	EXPECT_EQ(status.f & CPU::Flags::Z, 0);
}

Example #9

File: test_inc_dec_instructions.cpp Project: nnarain/gameboy

TEST(IncDecInstructions, ZeroFlag)
{
	CodeGenerator code;
	code.block(
		0x06, 0x1,			// LD B,1

		0x05,				// DEC B

		0x76				// halt
	);


	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());

	EXPECT_EQ(status.f & CPU::Flags::Z, CPU::Flags::Z);
	EXPECT_EQ(status.f & CPU::Flags::N, CPU::Flags::N);
}

Example #10

File: test_inc_dec_instructions.cpp Project: nnarain/gameboy

TEST(IncDecInstructions, DecMemory)
{
	CodeGenerator code;
	code.block(
		0x21, 0x00, 0xC0,	// LD HL,$250

		0x34,				// INC (HL)

		0x76				// halt
	);


	GameboyCore gameboy;
	(void)run(gameboy, code.rom());
	auto& mmu = gameboy.getMMU();

	EXPECT_EQ(mmu->read(0xC000), 0x01);
}

Example #11

File: test_misc.cpp Project: nnarain/gameboy

TEST(MiscInstructions, DAA)
{
	CodeGenerator code;
	code.block(
		0x3E, 0x45,	// LD A,$45
		0x06, 0x38, // LD B,$38
		0x80,		// ADD A,B
		0x27,		// DAA
		0x76        // halt
	);

	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());

	EXPECT_EQ(status.a, 0x83);
	EXPECT_EQ(status.f & CPU::Flags::C, 0);
	EXPECT_EQ(status.f & CPU::Flags::Z, 0);
	EXPECT_EQ(status.f & CPU::Flags::H, 0);
}

Example #12

File: test_misc.cpp Project: nnarain/gameboy

TEST(MiscInstructions, Swap)
{
	CodeGenerator code;
	code.block(
		0x3E, 0x12, // LD A,$12
		0x06, 0x34, // LD B,$34
		0x0E, 0x56, // LD C,$56
		0x16, 0x78, // LD D,$78
		0x1E, 0x9A, // LD E,$9A
		0x26, 0xC0, // LD H,$C0
		0x2E, 0xDE, // LD L,$DE
		0x36, 0xF0, // LD (HL),$F0

		0xCB, 0x37,	// SWAP A
		0xCB, 0x30,	// SWAP B
		0xCB, 0x31,	// SWAP C
		0xCB, 0x32,	// SWAP D
		0xCB, 0x33,	// SWAP E
		0xCB, 0x36,	// SWAP (HL)
		0xCB, 0x34,	// SWAP H
		0xCB, 0x35,	// SWAP L

		0x76        // halt
	);

	GameboyCore gameboy;
	CPU::Status status = run(gameboy, code.rom());
	auto& mmu = gameboy.getMMU();

	EXPECT_EQ(status.a, 0x21);
	EXPECT_EQ(status.b, 0x43);
	EXPECT_EQ(status.c, 0x65);
	EXPECT_EQ(status.d, 0x87);
	EXPECT_EQ(status.e, 0xA9);
	EXPECT_EQ(status.h, 0x0C);
	EXPECT_EQ(status.l, 0xED);
	EXPECT_EQ(mmu->read(0xC0DE), 0x0F);
}