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TSY
(SP) ⇒ Y
Operation:
Description:
This is an alternate mnemonic to transfer the stack pointer value to index
register Y. The content of the SP remains unchanged. After a TSY in-
struction, Y points at the last value that was stored on the stack.
Condition Codes and Boolean Formulas:
S
–
None affected.
Addressing Modes, Machine Code, and Execution Times:
Source Form
TSY translates to...
TFR SP,Y
MOTOROLA
6-210
Transfer from Stack Pointer
to Index Register Y
X
H
I
N
Z
–
–
–
–
–
Address Mode
INH
B7 76
INSTRUCTION GLOSSARY
V
C
–
–
Object Code
TSY
Cycles
Access Detail
1
P
CPU12
REFERENCE MANUAL
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