Z8S180 Zilog., Z8S180 Datasheet - Page 198

• Manufacturer Part Number: Z8S180
• Description: ENHANCED Z180 MICROPROCESSOR
• Manufacturer: Zilog.

Immediate (IMMED)
The memory operands are contained within one or two bytes of the
instruction, as depicted in Figure 79.
Figure 79.
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.
Figure 80.
displacement (d)
Op Code
Op Code
m
Immediate Addressing
Relative Addressing
Program Counter (PC)
8-bit
operand
Op Code
m
n
M PU Us e r M anual
UM005001-ZMP0400
Z 8018x Fam il y
16-bit
operand
183