HD64336901G Renesas Technology, HD64336901G Datasheet - Page 62

• Manufacturer Part Number: HD64336901G
• Description: (HD64xxx Series) 16-BIT MICROCONTROLLER
• Manufacturer: Renesas Technology

2.5.2
Table 2.12 indicates how effective addresses are calculated in each addressing mode. In this LSI,
the upper 8 bits of the effective address are ignored in order to generate a 16-bit effective address.
Table 2.12 Effective Address Calculation (1)
Rev. 1.00, 11/03, page 34 of 376
Register indirect with post-increment or
pre-decrement
•Register indirect with post-increment @ERn+
•Register indirect with pre-decrement @-ERn
Register direct(Rn)
Register indirect(@ERn)
Addressing Mode and Instruction Format
Effective Address Calculation
The value to be added or subtracted is 1 when the
operand is byte size, 2 for word size, and 4 for
longword size.
Sign extension
Effective Address Calculation
General register contents
General register contents
General register contents
General register contents
1, 2, or 4
1, 2, or 4
Operand is general register contents.
Effective Address (EA)