Hyundai GMS800 Instruction Manual page 60

HYUNDAI MicroElectonics
STX
( Store X-register )

Function : ( M )
Description : Store the contents of X-register to memory.

Flag :
Mnemonic
STX dp
STX dp + Y
STX !abs
Example :
396 F1A2 8F
397 F1A3 EC29
398 F1A5 C67E
STY
( Store Y-register )

Function : ( M )
Description : Store the contents of Y-register to memory.

Flag :
Mnemonic
STY dp
STY dp + X
STY !abs
Example :
401 F1A7 BE
402 F1A8 D5A2F1
403 F1AB E97E
404 F1AD 445A
56
X
OP Code
EC
ED
FC
INC
STX
LDA
Y
OP Code
E9
F9
F8
DEC
LDA
STY
CMP
Bytes Cycles
2 4
2 5
3 5
X
POINTER ; STORE X REG. INTO POINTER
MODE+X
Bytes Cycles
2 4
2 5
3 5
Y
!DATA_TBL+Y
; STORE Y REG. INTO 'MODE'
MODE
#5AH