CALL opcode
FF Dx. This could be anything from D0 to D7 based on the register that it’s referencing.
JMP opcode
EB
INC opcode
INC – 4x. Again this goes from 40 to 47 depending on the register.
DEC opcode
4x. This carries on where INC stopped and goes from 48 to 4F depending on the register.