Register of flags r14 for nedoRISC Core:
- bit 0 - CUR? (current allocation of registers)
- bit 1 /
- bit 2 /
- bit 3 - PAR? (parent allocation of registers)
- bit 4 /
- bit 5 /
- bit 6 - PCHI? (higher nibble of program counter)
- bit 7 /
- bit 8 /
- bit 9 /
- bit 10 - O? (stack overflow flag???)
- bit 11 - H? (half carry flag)
- bit 12 - C? (carry/borrow flag)
- bit 13 - V? (overflow flag)
- bit 14 - Z? (zero flag)
- bit 15 - S? (sign flag)