Sharp CE-150 - Page 277

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(E X)
'
I PSH A
A- 0 0 I I I I I I 46fDll
S= '- 700 H
? PSH Xreg
X1 e& =2 030 H
S ~ 46FFH
@ POP (POP)
(xecule
• s ~ <6FF H 46FEH
Execut e
- · S- 46FO H
46FfH
4 700 H
XH con1en1s
r Xl CO rtllfl lS
A con1en1s
v
·111c contents of the stack 1>ointcr trun sfc rr<.-d by 1hc PSH instructibn arc returned 10 the
accumulator or the R register.
In
the case of the accumulator. the stack pointer is added by on e. In 1hc case of the R
register. the stack pointer is added by two.
• Formal
Ci) POPA
0 POP Rr eg
(EX)
...... .. ......
'16F OH
1,6FEH
46F FH
4700 H
/
20H
30li
JFU
® ATT (Ace To T)
-
-i
• Op eraaion
S + l -S
(S) - A
Flag Z
I: whe n (S) = OOH
0: wh en (S ) 'i" 001-1
S + l - S
IS) - RH
S + l -S
(S) - RI.
( :\ o Oag change)
1 POP Xreg
Extc ule
P- 46 FOH - P- 46F rtl
Xr eg = 203011
2 POP A
C: xe c:ut e
P ~ 4 6 FFH ~ P- 4700H
--- -
A= I 0 0 1 I I I I I I
The co ntents oi th e a cc un 1ul~ t or arc tran~fcrrcd to chc ·r register .
• Fo rntat
AIT
• 01J"ration
A - T
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