VIPA CPU 21 Series User Manual

Manual VIPA CPU 21x Chapter 12 Instruction list
Command
Operand Parameter Status word Function
Length
in
BR CC1 CC0 OV OS OR STA RLO /FC
words
: Instruction depends on
: Instruction influences
HB103E - Rev. 05/45 12-29
Combination instructions
with parenthetical
expressions
Status word Saving the bits BR, RLO, OR and a function ID
(A, AN, ...) at the nesting stack.
For each block 7 nesting levels are possible.
A(
BR CC1 CC0 OV OS OR STA RLO /FC
AND left parenthesis 1
AN( Y - - - - Y - Y Y AND-NOT left parenthesis 1
O( - - - - - 0 1 - 0 OR left parenthesis 1
ON( OR-NOT left parenthesis 1
X( EXCLUSIVE-OR left parenthesis 1
XN( EXCLUSIVE-OR-NOT left parenthesis 1
)
BR CC1 CC0 OV OS OR STA RLO /FC
Right parenthesis, popping an entry off the nesting stack, 1
- - - - - - - Y - gating RLO with the current RLO in the processor.
Y - - - - Y 1 Y 1
ORing of AND operations
Status word The ORing of AND operations is implemented
according the rule: AND before OR.
O
BR CC1 CC0 OV OS OR STA RLO /FC
OR operations of AND functions according the rule: 1
- - - - - Y - Y Y AND before OR
- - - - - Y 1 - Y

VIPA CPU 21 Series Specifications

General

Brand	VIPA
Model	CPU 21 Series
Category	Control Unit
Language	English