HEIDENHAIN TNC 426 PB/M Technical Manual page 976

Function
Load marker M500
into the logic
accumulator.
Gate logic
accumulator with
marker M501.
Opening
parenthesis: Buffer
the accumulator
content onto the
program stack.
Load the state of
input I0 into the logic
accumulator.
Gate the logic
accumulator with the
state of input I1.
Closing parenthesis:
Gate the
accumulator content
with the program
stack (A[, O[...).
Assign the result of
the total operation to
output O12.
December 2001
Initial state:
Marker M500 = 0
Input I0 = 0
Marker M501 = 1
Input I1 = 1
Output O12 = ?
STL Accumulator contents [bit]
31..15 ..................... 7 .................. 0
L M500 x ..... x x x x x x x x 0 x x x x x x x
O M501 x ..... x x x x x x x x 1 x x x x x x x
A[ x ..... x x x x x x x x 1 x x x x x x x
L I0 x ..... x x x x x x x x 0 x x x x x x x
O I1 x ..... x x x x x x x x 1 x x x x x x x
] x ..... x x x x x x x x 1 x x x x x x x
= O12 x ..... x x x x x x x x 1 x x x x x x x
Commands
Operand contents [bit]
0
1
0
1
1
7 – 127