ex.rs

pub enum CpuOp {
 Alu{op:AluOp, rhs:AluArg},
 Data{op:DataOp, data:DataArg},
 Rst(u8),
 Load{dst:DataArg, src:AluArg},
 Call{cond:Cond, addr:u16},
 Jump{cond:Cond, addr:u16},
 JumpRel{cond:Cond, delta:i8},
 Ret{cond:Cond}
 Stop, Halt, Di, Ei, Ccf, Cpl,
 Daa, Reti, Rla, Rlca, Rra, Rrca,
 Scf,
 NotA16{op:NoaA16Op, rhs:NotA16},
 Nop,
 SpecialLdA{to_a:bool, other:SpecialLd},
 Ldh{to_a:bool, index:u8},
 AddSP(i8),
 JpHL,
 LdImm16SP(u16),
 LdHlSpDelta(i8),
 LdSpHl,
}

pub enum AluArg {
 Data(DataArg), Imm(u8)
}

pub enum AluOp {
 Xor, Sub, Sbc, Or, Cp, And, Add, Adc
}

pub enum DataArg {
  HLA, A, B, C, D, E, H, L
}

pub enum U8Bit {
 _0, _1, _2, _3, _4, _5, _6, _7
}

pub enum DataOp {
 Swap, Srl, Sra, Sla, Set(U8Bit), Rrc, Rr, Rlc, Rl, Res(U8Bit), Inc, Dec, Bit(U8Bit), 
}

pub enum Cond {
 Cy, NC, Z, NZ, Al
}

pub enum NotA16Op {
 AddHL, Dec, Inc, Ld(u16), Pop, Push
}

pub enum NotA16 {
 Bc, De, Hl, Sp
}

pub enum SpecialLd {
 Addr(u16), Bc, C, De, HLp, HLm
}