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Fix instruction timing

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This commit is contained in:
Franco Colmenarez 2021-11-16 10:50:56 -05:00
parent 7396345f76
commit dc7d06cefc
1 changed files with 5 additions and 5 deletions
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10
src/cpu.rs
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@ -257,8 +257,8 @@ impl OpcodeParameterBytes {
let opcode = self.0;
let two_byte_param = join_bytes(self.2, self.1);
match opcode {
0x06 => (Opcode::LD(OpcodeParameter::Register_U8(Register::B, self.1)), Cycles(1)),
0x0E => (Opcode::LD(OpcodeParameter::Register_U8(Register::C, self.1)), Cycles(3)),
0x06 => (Opcode::LD(OpcodeParameter::Register_U8(Register::B, self.1)), Cycles(2)),
0x0E => (Opcode::LD(OpcodeParameter::Register_U8(Register::C, self.1)), Cycles(2)),
0x16 => (Opcode::LD(OpcodeParameter::Register_U8(Register::D, self.1)), Cycles(2)),
0x1E => (Opcode::LD(OpcodeParameter::Register_U8(Register::E, self.1)), Cycles(2)),
0x26 => (Opcode::LD(OpcodeParameter::Register_U8(Register::H, self.1)), Cycles(2)),
@ -500,7 +500,7 @@ impl OpcodeParameterBytes {
0x1B => (Opcode::PrefixCB(Box::new(Opcode::RR(Register::E))), Cycles(2)),
0x1C => (Opcode::PrefixCB(Box::new(Opcode::RR(Register::H))), Cycles(2)),
0x1D => (Opcode::PrefixCB(Box::new(Opcode::RR(Register::L))), Cycles(2)),
0x1E => (Opcode::PrefixCB(Box::new(Opcode::RR(Register::HL))), Cycles(2)),
0x1E => (Opcode::PrefixCB(Box::new(Opcode::RR(Register::HL))), Cycles(4)),
0x1F => (Opcode::PrefixCB(Box::new(Opcode::RR(Register::A))), Cycles(2)),
0x20 => (Opcode::PrefixCB(Box::new(Opcode::SLA(Register::B))), Cycles(2)),
@ -740,7 +740,7 @@ impl OpcodeParameterBytes {
0xD2 => (Opcode::JP(OpcodeParameter::FlagRegisterReset_U16(FlagRegister::Carry, two_byte_param)), Cycles(3)),
0xDA => (Opcode::JP(OpcodeParameter::FlagRegisterSet_U16(FlagRegister::Carry, two_byte_param)), Cycles(3)),
0xE9 => (Opcode::JP(OpcodeParameter::Register(Register::HL)), Cycles(1)),
0x18 => (Opcode::JR(OpcodeParameter::I8(self.1 as i8)), Cycles(3)),
0x18 => (Opcode::JR(OpcodeParameter::I8(self.1 as i8)), Cycles(2)),
0x20 => (Opcode::JR(OpcodeParameter::FlagRegisterReset_I8(FlagRegister::Zero, self.1 as i8)), Cycles(2)),
0x28 => (Opcode::JR(OpcodeParameter::FlagRegisterSet_I8(FlagRegister::Zero, self.1 as i8)), Cycles(2)),
0x30 => (Opcode::JR(OpcodeParameter::FlagRegisterReset_I8(FlagRegister::Carry, self.1 as i8)), Cycles(2)),
@ -909,7 +909,7 @@ impl CPU {
}
pub fn handle_interrupt(&mut self, bus: &mut Bus, interrupt: Interrupt) {
// println!("Interrupt: {:?}", interrupt);
println!("Interrupt: {:?}", interrupt);
bus.set_interrupt_flag(interrupt, false);
self.ime = false;
self.registers.decrement(Register::PC, 3);