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Little refactor

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This commit is contained in:
Franco Colmenarez 2021-10-14 08:38:57 -05:00
parent 92229e3d93
commit bc3b25857b
1 changed files with 4 additions and 4 deletions
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8
src/cpu.rs
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@ -271,8 +271,8 @@ impl CPU {
pub fn run(&mut self, bus: &mut Bus) { pub fn run(&mut self, bus: &mut Bus) {
let program_counter = self.registers.get(Register::PC(0)); let program_counter = self.registers.get(Register::PC(0));
let byte_read = bus.read(program_counter); let parameter_bytes = CPU::read_parameter_bytes(program_counter, bus);
let opcode = CPU::parse_opcode(byte_read, program_counter, bus); let opcode = CPU::parse_opcode(&parameter_bytes);
self.exec(opcode, bus); self.exec(opcode, bus);
} }
@ -297,8 +297,8 @@ impl CPU {
] ]
} }
pub fn parse_opcode(opcode: u8, address: u16, bus: &Bus) -> CpuOpcode { pub fn parse_opcode(params: &[u8; 3]) -> CpuOpcode {
let params = CPU::read_parameter_bytes(address, &bus); let opcode = params[0];
match opcode { match opcode {
0x06 => CpuOpcode::LD(OpcodeParameter::Register_U8(Register::B(0))), 0x06 => CpuOpcode::LD(OpcodeParameter::Register_U8(Register::B(0))),
0x0E => CpuOpcode::LD(OpcodeParameter::Register_U8(Register::C(0))), 0x0E => CpuOpcode::LD(OpcodeParameter::Register_U8(Register::C(0))),