1989_MELPS_7700_Software_Manual

Contents
Contents
1. Introduction of Series MELPS 7700 Software
Page
1
2. Register Configuration in CPU ~========~ 2
2.1 Accull)ulator
2.2 Index Register X
2.3 Index Register Y
2.4 Stack Pointer
2.5 Program Counter
2.6 Program Bank Register
2.7 Data Bank Register
2.8 Direct Page Register
2.9 Processor Status Register
3. Addressing Modes
3.1 Addressing Mode
3.2 Explanation of Addressing Modes
4. Instructions
4.1 Instructio n Set
4.2 Description of Instructions
5. Notes for Programming
6. Instruction Execution Sequence
6.1 Bus Interface Unit
6.2 Change of the CPU Basic Clock <j>cpu
6.3 Instruction Execution Sequence
Appendixes
A. CPU Instruction Execution Sequence for each Addressing Mode 188
B. Series MELPS 7700 Machine Instructions
C. Series MELPS 7700 Instruction Code Table
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