I am getting the compiler error: Error: macro expansion ignores token match
. I can't seem to find it documented anywhere, but do macros not support "match"?
Thanks very much!
Here is the code:
macro_rules! increment8 {
($reg: ident) => {
cpu.$reg = cpu.$reg.wrapping_add(1);
match cpu.$reg {
0 => setFlag(Zero, &mut cpu.F),
_ => clearFlag(Zero, &mut cpu.F)
};
clearFlag(Neg, &mut cpu.F);
match cpu.$reg & 0xF {
0 => setFlag(Half, &mut cpu.F),
_ => clearFlag(Half, &mut cpu.F)
};
(cpu.PC + 1, 4)
}
}