SAM47 INSTRUCTION SET
KS57C2308/P2308/C2316/P2316
5-72
POP
— Pop From Stack
POP
dst
Operation:
Operand
Operation Summary
Bytes
Cycles
RR
Pop to register pair from stack
1
1
SB
Pop SMB and SRB values from stack
2
2
Description:
The contents of the RAM location addressed by the stack pointer is read, and the SP is
incremented by two. The value read is then transferred to the variable indicated by the
destination operand.
Operand
Binary Code
Operation Notation
RR
0
0
1
0
1
r2
r1
0
RR
L
←
(SP), RR
H
←
(SP+1)
SP
←
SP+2
SB
1
1
0
1
1
1
0
1
(SRB)
←
(SP), SMB
←
(SP+1),
SP
←
SP+2
0
1
1
0
0
1
1
0
Example:
The SP value is equal to 0EDH, and RAM locations 0EFH through 0EDH contain the values 2H,
3H, and 4H, respectively. The instruction
POP
HL
leaves the stack pointer set to 0EFH and the data pointer pair HL set to 34H.
Summary of Contents for KS57C2308
Page 30: ...ADDRESS SPACES KS57C2308 P2308 C2316 P2316 2 22 NOTES ...
Page 168: ...SAM47 INSTRUCTION SET KS57C2308 P2308 C2316 P2316 5 94 NOTES ...
Page 170: ......
Page 206: ...POWER DOWN KS57C2308 P2308 C2316 P2316 8 8 NOTES ...
Page 210: ...RESET KS57C2308 P2308 C2316 P2316 9 4 NOTES ...
Page 222: ...I O PORTS KS57C2308 P2308 C2316 P2316 10 12 NOTES ...
Page 272: ...LCD CONTROLLER DRIVER KS57C2308 P2308 C2316 P2316 12 24 NOTES ...
Page 280: ...SERIAL I O INTERFACE KS57C2308 P2308 C2316 P2316 13 8 NOTES ...
Page 294: ...MECHANICAL DATA KS57C2308 P2308 C2316 P2316 15 2 NOTES ...
Page 310: ...KS57P2308 P2316 OTP KS57C2308 P2308 C2316 P2316 16 16 NOTES ...
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