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More tests for INC and DEC with 16bit registers

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This commit is contained in:
Franco Colmenarez 2021-10-15 13:44:05 -05:00
parent c55256a5b7
commit 0a1edfa39e
1 changed files with 17 additions and 1 deletions
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18
src/cpu.rs
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@ -816,7 +816,15 @@ mod tests {
cpu.exec(Opcode::INC(true, Register::A), &mut bus); cpu.exec(Opcode::INC(true, Register::A), &mut bus);
assert_eq!(cpu.registers.get_flag(FlagRegister::Zero), false); assert_eq!(cpu.registers.get_flag(FlagRegister::Zero), false);
assert_eq!(cpu.registers.get_flag(FlagRegister::Substract), false); assert_eq!(cpu.registers.get_flag(FlagRegister::Substract), false);
//assert_eq!(cpu.registers.get_flag(FlagRegister::HalfCarry), true); assert_eq!(cpu.registers.get_flag(FlagRegister::HalfCarry), true);
assert_eq!(cpu.registers.get(Register::PC), 0x101);
let mut cpu = CPU::new();
cpu.registers.set(Register::HL, 0b0000111111111111);
cpu.exec(Opcode::INC(true, Register::HL), &mut bus);
assert_eq!(cpu.registers.get_flag(FlagRegister::Zero), false);
assert_eq!(cpu.registers.get_flag(FlagRegister::Substract), false);
assert_eq!(cpu.registers.get_flag(FlagRegister::HalfCarry), true);
assert_eq!(cpu.registers.get(Register::HL), 0b0001000000000000);
assert_eq!(cpu.registers.get(Register::PC), 0x101); assert_eq!(cpu.registers.get(Register::PC), 0x101);
// DEC // DEC
@ -836,6 +844,14 @@ mod tests {
assert_eq!(cpu.registers.get_flag(FlagRegister::HalfCarry), true); assert_eq!(cpu.registers.get_flag(FlagRegister::HalfCarry), true);
assert_eq!(cpu.registers.get(Register::A), 0b00001111); assert_eq!(cpu.registers.get(Register::A), 0b00001111);
assert_eq!(cpu.registers.get(Register::PC), 0x101); assert_eq!(cpu.registers.get(Register::PC), 0x101);
let mut cpu = CPU::new();
cpu.registers.set(Register::HL, 0b0001000000000000);
cpu.exec(Opcode::DEC(true, Register::HL), &mut bus);
assert_eq!(cpu.registers.get_flag(FlagRegister::Zero), false);
assert_eq!(cpu.registers.get_flag(FlagRegister::Substract), true);
assert_eq!(cpu.registers.get_flag(FlagRegister::HalfCarry), true);
assert_eq!(cpu.registers.get(Register::HL), 0b0000111111111111);
assert_eq!(cpu.registers.get(Register::PC), 0x101);
// NOP // NOP
let mut cpu = CPU::new(); let mut cpu = CPU::new();