Changes
GBZ80
,/* CPU control group */
| di || 11110011 || 1 || - || - || - || - || ime := 0 || Disable Interrupts
|-
| ei || 11111011 || 1 || - || - || - || - || ime := 1 after the next instruction || Enable Interrupts
|-
| halt || 01110110 || 1 || - || - || - || - || wait for interrupt || Suspends CPU operation