MSC8101PG Motorola / Freescale Semiconductor, MSC8101PG Datasheet - Page 118

• Manufacturer Part Number: MSC8101PG
• Description: MSC8101PG 16-Bit Digital Signal Processor Quick Reference
• Manufacturer: Motorola / Freescale Semiconductor

9
9.1
9.2
Section 9.1, SC140 Instruction Type Grouping Rules, and Section 9.2, Conventions, Syntax, Abbreviations, provide general information about
the MSC8101 instructions and how this guide represents them. Section 9.3, Instructions Grouped Alphabetically, contains details about the
instructions.
Each SC140 instruction belongs to one of the following four types:
Serial grouping options:
Instructions
•
•
•
•
•
•
•
•
SC140 Instruction Type Grouping Rules
Conventions, Syntax, Abbreviations
Type 1—Basic Data ALU and move. Single-word; used very frequently. Terminates execution set.
Type 2—Additional Data ALU, move and AGU arithmetic. Single-word; less frequent than Type 1. Terminates execution set.
Type 3—Two-word and three-word Data ALU, move and AGU arithmetic. Terminates execution set.
Type 4—All others. One- or two-word. Cannot be grouped with any other instructions.
One to six Type 1
One Type 2 with up to five Type 1
One Type 3 with up to five Type 1
One Type 4
( )
aa
Cn
Da
Da:Db
De.E; Do.E
De.E:Do.E
Convention
Indirect address
Absolute address
Control registers
Single source/destination data register
Source/destination data register pair
Data register extension (bits 39–32 + Ln bit)
Data register extension pair (for example, D4.E–D5.E)
Table 9-1. Instruction Conventions
Definition