ST10 FAMILY PROGRAMMING MANUAL
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POP
Pop Word from System Stack
Syntax
POP op1
Operation
(tmp) <--
((SP))
(SP)
<-- (SP) + 2
(op1) <--
(tmp)
Data Types
WORD
Description
Pops one word from the system stack specified by the Stack Pointer into the operand specified by op1.
The Stack Pointer is then incremented by two.
Flags
Addressing Modes
E
Z
V
C
N
*
*
-
-
*
E
Set if the value of the popped word represents the lowest possible negative number. Cleared
otherwise. Used to signal the end of a table.
Z
Set if the value of the popped word equals zero. Cleared otherwise.
V
Not affected.
C
Not affected.
N
Set if the most significant bit of the popped word is set. Cleared otherwise.
Mnemonic
Format
Bytes
POP
reg
FC RR
2
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