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HEIDENHAIN MANUALPLUS 620 Technical Manual

HEIDENHAIN MANUALPLUS 620
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1712 HEIDENHAIN Technical Manual MANUALplus 620
8.15.58 BIT TEST (BT)
Syntax: BT (BIT TEST)
Operands: B, W, D, K, X
Action:
With the BIT TEST command, you can interrogate the status of each bit in the
accumulator. With the BT command there is a direct transition from word to
logic processing, i.e. the control checks the state of a bit in the word
accumulator and then sets the logic accumulator. If the interrogated bit = 1,
the control sets the logic accumulator to 1; otherwise it sets it to 0. The
corresponding bits are selected (addressed) by the content of the specified
operand or by a constant. As to the bit numbering, bit 0 = LSB and bit 31 =
MSB. For operand contents greater than 32, the control uses the operand
value modulo 32, i.e. the integral remainder of the result of the operand value
divided by 32.
Example:
Load the double word D8 into the accumulator and assign the logical state of
bit 0 to output O12.
Initial state:
Double word D8 = 3E 81 (hex)
Output O12 = ?
Function STL Accumulator
content
Operand content
Load the double word D8
into the word accumulator
L D8 3E81 3E81
Check the state of the bit
specified in the operand.
BT K+0 1
Assign the result to
output O12.
= O12 1 1

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HEIDENHAIN MANUALPLUS 620 Specifications

General IconGeneral
BrandHEIDENHAIN
ModelMANUALPLUS 620
CategoryControl Systems
LanguageEnglish

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