GMS30C2116 Datasheet, PDF (309/322 Pages) Hynix Semiconductor – USERS MANUAL

Appendix A. Instruction Set Details
Store Word (register address mode)
A-135
STW.R
Format:
LR format
15
OP-code
1101 100
87
43
0
s
Ld-code
Rs-code
s = 0: Rs-code encodes G0..G15 for Rs
s = 1: Rs-code encodes L0..L15 for Rs
Ld-code encodes L0..L15 for Ld
Notation:
STW.R Ld, Rs
Description:
The Store instruction of register address mode transfers data from into a register Rs into
the addressed memory location, Ld is used as an address.
The content of the destination register Ld is used as an address into memory address space.
Operation:
Ld^ := Rs;
Exceptions:
None.