557
3. Instructions
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Table Data Processing Instructions
3
PUSH
PUSH
Applicable Program Areas
Operands
TB: First stack address
TB through TB+3: Stack control words TB+4 through TB+(N-1): Data storage region
z Operand Specifications
Instruction Mnemonic Variations
Function
code
Function
PUSH ONTO STACK PUSH @PUSH 632 Writes one word of data to the specified stack.
Symbol
PUSH
Area
Function block
definitions
Block program areas Step program areas Subroutines Interrupt tasks
SFC action or
transition programs
Usage OK OK OK OK OK OK
Operand Description Data type Size
TB First stack address UINT Variable
S Source word UINT 1
Area
Word addresses
Indirect DM/EM
addresses
Con-
stants
Registers Flags
Pulse
bits
TR
bits
CIO WR HR AR T C DM EM
@DM
@EM
*DM
*EM
DR IR
Indirect
using IR
TK CF
TB
OK OK OK OK OK OK OK OK OK OK
--- ---
--- OK --- --- --- ---
S OK OK
TB: First stack address
S: Source word
PUSH(632)
TB
S
15 0
TB
15 0
TB+1
15 0
TB+2
15 0
TB+3
Stack pointer (leftmost 4 digits)
Stack pointer (rightmost 4 digits)
PC memory address of the last
word in the stack (leftmost 4 digits)
PC memory address of the last word
in the stack (rightmost 4 digits)
15 0
TB+4
TB+(N–1)
Data storage region
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