| Format | Syntax: | Operation: | Operands: | Architecture revision | Opcode | ||||
| 1 | acr Rd | Rd = Rd + C; | d ∈ {0, 1, …, 15} | Rev1+ | 
 | 
Adds carry to the specified destination register.
| Q: | Not affected | 
| V: | V = RES[31] AND ~Rd[31] | 
| N: | N = RES[31] | 
| Z: | Z = (RES[31:0] == 0) AND Z | 
| C: | C = ~RES[31] AND Rd[31] | 
; Add a 32-bit variable (R0) to a 64-bit variable (R2:R1) add R1, R0 acr R2