Z80180 Datasheet, PDF (198/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z 8018x Fam ily
M PU Us e r M anual
183
Immediate (IMMED)
The memory operands are contained within one or two bytes of the
instruction, as depicted in Figure 79.
Op Code
m
8-bit
operand
Op Code
n
m
16-bit
operand
Figure 79. Immediate Addressing
Relative (REL)
Relative addressing mode is only used by the conditional and unconditional
branch instructions (refer to Figure 80). The branch displacement (relative to
the contents of the program counter) is contained in the instruction.
Op Code
displacement (d)
Program Counter (PC)
Figure 80. Relative Addressing
UM005001-ZMP0400