*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.
Ah, yes, portrait mode, surely the best way to film a row of people. If only there were some way to fit a wider shot, at the expense of height... if only...