Adam 821x Manual page 221

CPU ADAM 821x
Command Operand Parameter
Bit logic instructions with
parenthetical expressions
A(
AN(
O(
ON(
X(
XN(
)
ORing of AND operations
O
ADAM 8000 Manual CPU 821x – Rev 1.1
Status word
BR CC1 CC0 OV OS OR STA RLO /FC
Status word
BR CC1 CC0 OV OS OR STA RLO /FC
Y - - - - Y - Y Y AND-NOT left parenthesis
- - - - - 0 1 - 0 OR left parenthesis
BR CC1 CC0 OV OS OR STA RLO /FC
- - - - - - - Y - gating RLO with the current RLO in the processor.
Y - - - - Y 1 Y 1
Status word
BR CC1 CC0 OV OS OR STA RLO /FC
- - - - - Y - Y Y AND before OR
- - - - - Y 1 - Y
Function
: Instruction depends on
: Instruction influences
Saving the bits BR, RLO, OR and a function ID
(A, AN, ...) at the nesting stack.
For each block 7 nesting levels are possible.
AND left parenthesis
OR-NOT left parenthesis
EXCLUSIVE-OR left parenthesis
EXCLUSIVE-OR-NOT left parenthesis
Right parenthesis, popping an entry off the nesting stack,
The ORing of AND operations is implemented
according the rule: AND before OR.
OR operations of AND functions according the rule:
Chapter 9 Instruction list
Length
in
words
1
1
1
1
1
1
1
1
8-29