User’s Manual
C166S V1 SubSystem
Detailed Instruction Set
User’s Manual
6-73
V 1.6, 2001-08
POP
Pop Word from System Stack
POP
Group
System Stack Instructions
Syntax
POP op1
Source Operand(s)
none
Destination Operand(s)
op1
→
WORD
Operation
(tmp)
←
((SP))
(SP)
←
(SP) + 2
(op1)
←
(tmp)
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.
CPU Flags
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.
Encoding
E
Z
V
C
N
*
*
-
-
*
Mnemonic
Format
Bytes
POP
reg
FC RR
2
Содержание C166S V1 SubSystem
Страница 10: ...User s Manual C166S V1 SubSystem User s Manual I 6 V 1 6 2001 08...
Страница 16: ...User s Manual C166S V1 SubSystem Introduction User s Manual 1 6 V 1 6 2001 08...
Страница 126: ...User s Manual C166S V1 SubSystem Central Processing Unit User s Manual 3 96 V 1 6 2001 08...
Страница 178: ...User s Manual C166S V1 SubSystem Memory Organization User s Manual 4 52 V 1 6 2001 08...
Страница 206: ...User s Manual C166S V1 SubSystem Instruction Set User s Manual 5 28 V 1 6 2001 08...
Страница 306: ...User s Manual C166S V1 SubSystem Detailed Instruction Set User s Manual 6 100 V 1 6 2001 08...
Страница 362: ...User s Manual C166S V1 SubSystem The External Bus Interface User s Manual 8 40 V 1 6 2001 08...
Страница 452: ...User s Manual C166S V1 SubSystem General Purpose Timer Unit User s Manual 12 44 V 1 6 2001 08...
Страница 454: ...User s Manual C166S V1 SubSystem Instruction Index User s Manual 13 2 V 1 6 2001 08...
Страница 459: ......