HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 65

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 3-7 Addressing Modes
No.
1
2
3
4
5
6
7
Notes: * 1 Sz: Specifies the operand size.
Addressing Mode
Register direct
Register indirect
Register indirect
with displacement
Register indirect
with pre-decrement
Register indirect
with post-increment
Immediate
Absolute
PC-relative
* 2 rrr: Register number field, specifying a general register number.
* 3 The @aa:8 addressing mode is also referred to as the short absolute addressing mode.
When Sz = 0: byte operand
When Sz = 1: word operand
0 0 0 — R0
1 0 0 — R4
*3
0 0 1 — R1
1 0 1 — R5
Mnemonic
Rn
@Rn
@(d:8,Rn)
@(d:16,Rn)
@–Rn
@Rn+
#xx:8
#xx:16
@aa:8
@aa:16
disp
0 1 0 — R2
1 1 0 — R6
EA Field
1 0 1 0 Sz r r r
1 1 0 1 Sz r r r
1 1 1 0 Sz r r r
1 1 1 1 Sz r r r
1 0 1 1 Sz r r r
1 1 0 0 Sz r r r
0 0 0 0 0 1 0 0
0 0 0 0 1 1 0 0
0 0 0 0 Sz 1 0 1
0 0 0 1 Sz 1 0 1
No EA field.
Addressing mode
is specified in the
operation code.
46
*1
0 1 1 — R3
1 1 1 — R7
*2
EA Extension
None
None
Displacement (1 byte)
Displacement (2 bytes)
None
Immediate data (1 byte)
Immediate data (2 bytes)
1-Byte absolute address
(offset from BR)
2-Byte absolute address
1- or 2-byte displacement