1786 HEIDENHAIN Technical Manual iTNC 530 HSCI
Word processing
with the
EXCLUSIVE OR
NOT command
Syntax: XON (EXCLUSIVE OR NOT)
Operands: B, W, D, K
Action:
Gate the contents of the word accumulator and the operand with EXCLUSIVE
OR NOT. In accordance with the different data widths of the operands (B = 8
bits; W = 16 bits; D = K = 32 bits), 8, 16 or 32 bits, respectively, are influenced
in the accumulator. Thus, bit 0 of the accumulator is gated with bit 0 of the
operand, bit 1 of the accumulator with bit 1 of the operand, etc. The iTNC
saves the result of the operation in the word accumulator.
Example:
Gate the content of words W4 and W6 with EXCLUSIVE OR NOT, and assign
the result to word W8.
Initial state:
Word W4 = 36 AA (hex)
Word W6 = 3C 36 (hex)
Word W8 = ?
Function STL Accumulator
content
Operand content
Load W6 into the word
accumulator.
L W6 3C36 3C36
Gate the contents of word
accumulator and word
W4 with EXCLUSIVE OR
NOT.
XON
W4
F563 36AA
Assign the gating result to
word W8.
= W8 F563 F563
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