Sketched an interface for signalling interrupts and pulled out some of the repetition in flag setting from ADD/ADC/SUB/SBC/CP.
Sketched an interface for signalling interrupts and pulled out some of the repetition in flag setting from ADD/ADC/SUB/SBC/CP.

TomHarte/CLK,TomHarte/CLK,TomHarte/CLK,TomHarte/CLK,TomHarte/CLK