HD404829R Datasheet, PDF (122/149 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a LCD controller/Driver Circuit

HD404829R Series
Instruction Set
The MCU has 101 instructions, classified into the following 10 groups:
• Immediate instructions
• Register-to-register instructions
• RAM addressing instructions
• RAM register instructions
• Arithmetic instructions
• Compare instructions
• RAM bit manipulation instructions
• ROM addressing instructions
• Input/output instructions
• Control instructions
The functions of these instructions are listed in tables 27 to 36, and an opcode map is shown in table 37.
Table 27 Immediate Instructions
Operation
Mnemonic
Load A from
immediate
LAI i
Load B from
immediate
LBI i
Load memory
from
immediate
LMID i,d
Load memory LMIIY i
from immediate,
increment Y
Operation Code
1 0 0 0 1 1 i₃ i₂ i₁ i₀
1 0 0 0 0 0 i₃ i₂ i₁ i₀
0 1 1 0 1 0 i₃ i₂ i₁ i₀
d₉ d₈ d₇ d₆ d₅ d₄ d₃ d₂ d₁ d₀
1 0 1 0 0 1 i₃ i₂ i₁ i₀
Function
i→A
i→B
i→M
i → M,
Y+1→Y
Words/
Status Cycles
1/1
1/1
2/2
NZ 1/1
120