6.120.1 Description
Subtracts a register and a constant, and places the result in the destination register Rd. This instruction is working on Register R16 to R31 and is very well suited for operations on the X, Y, and Z-pointers.
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Operation: | |||
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(i) |
Rd ← Rd - K | ||
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Syntax: |
Operands: |
Program Counter: | |
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(i) |
SUBI Rd,K |
16 ≤ d ≤ 31, 0 ≤ K ≤ 255 |
PC ← PC + 1 |
16-bit Opcode:
| 0101 | KKKK | dddd | KKKK |