Changes
Z80
,/* Registers */
* bit7 - SF - Sign Flag
* bit6 - ZF - Zero Flag
* bit5 - F5 - Undocumentedby Zilog
* bit4 - HF - Half Carry Flag
* bit3 - F3 - Undocumentedby Zilog
* bit2 - PF - Parity Flag (also sometimes used for Overflow)
* bit1 - NF - Negation Flag (last ALU op was subtract or compare)
