*Fixed timing of HALT instruction.*Optimised all Z80 memory reads, one instruction and cycle shorter.*Optimised DEC opcodes.*Optimised SBC A/HL opcode.*Optimised CPI, CPD, CPIR & CPDR opcodes.
If you decide to take the easy way out, at least do it some interesting way, like 5 fishing magnets and ropes... Run out to the space x rocket as it's about to take off.... Ohhhh add some snow skiis and skii into to space!!!