The correspondence between the actual instruction code and the instruction map is shown below.
Instruction code
Note: Extended page maps are provided for bit manipulation instructions, character string manipulation
instructions, two-byte instructions, and "ea" instructions; multiple-extended-page maps exist for
each type of instruction.
Fig. B.3b Correspondence between Actual Instructions and the Instruction Maps
MB90580 Series
First byte
Second byte
operand
operand
[Basic page map]
+Z
[Extension page map] Note
+W
B.3 Instruction Map
May not exist for some instructions
Length differs according to the
instruction
• • •
XY
UV
APPENDIX B: Instructions
335