z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 198

• Manufacturer Part Number: z80189
• Description: Z80180, Z8s180, Z8l180 Mpu Operation
• Manufacturer: ZiLOG Semiconductor

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
Relative Addressing
Immediate Addressing
Program Counter (PC)
8-bit
operand
Family MPU User Manual
Op Code
m
n
UM005003-0703
Z8018x
16-bit
operand
183