Sharp PC-1500 Technical Reference Manual page 49

44
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@ ROP (Reset DisP)
Resets the LCD on/ off control Oipflop D ISP.
•Forn1at
RDP
@ ITA (In To Ace)
• 011cratio11
0 - · OISP
Off
pattern
signal is generated
frorn
t he
CPU
internal
I.CD
back plate signal l.incs
nw- H11 .
The contents of the input pon (INO- IN7) arc transferred
w
the accumulator.
O nly the nag
Z
cha nges.
• l; cJrmat
ITA
@ SIE (Set IE)
•Operatio n
I !':0- 7 - · 1 \ccurnu lato r
Sets the interrupt enable flag IE. After this. it becomes
ready for
maskable int errupt
and timer interrupt ackno\vJedgc.
No change takes 11lace in other flags.
•Fclrmat
SI E
®
RIE (Reset IE)
•Operation
I - IE
Resets the interrupt enable flag IE. l\f1 cr this. 1 naskablc interrupt a nd 1in1cr int errupt
arc disabled.
No change takes place in o ther flags.
• 1.-(trmat
RIE
@ AMO (Ace to Tm
and
0)
• Operation
0 - IE
T he co ntents of the accumulator arc transl erred to the timer register (TM). S ince the
tin1er register consists of
9 bits. t he:
accu1r1ulator c(>11tcnts are
transferred
t<)
tile
)O\V
o rder 8 bits of the register and .. 0 .. is entered in the hig hest order bit.
No change takes place in other flags.
• F"orn1at
.'\MO
•Opcralion
A - T M (T MO-TM7l
0 -
TM8
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