Replaces the contents of register Rd with its two’s complement; the value $80 is left unchanged.
Operation: |
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(i) |
Rd ← $00 - Rd |
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Syntax: |
Operands: |
Program Counter: |
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(i) |
NEG Rd |
0 ≤ d ≤ 31 |
PC ← PC + 1 |
16-bit Opcode:
1001 | 010d | dddd | 0001 |