##adc_execute
bits(datasize) result;
bits(datasize) operand1 = X[n];
bits(datasize) operand2 = X[m];
bits(4) nzcv;

if sub_op then
    operand2 = NOT(operand2);
end

(result, nzcv) = AddWithCarry(operand1, operand2, PSTATE.C);

if setflags then 
    PSTATE.<N,Z,C,V> = nzcv;
end

X[d] = result;
@@