UNPACK = Unpack Nibbles
| Hex | Mnemonic | Cycles |
|---|---|---|
| DF | UNPACK | 8 |
Execute
A = (8-Bits) Register A
B = (8-Bits) Register B
; UNPACK
B = A SHR 4
A = A AND 0x0F
Description
Unpack byte in register A into 2 nibbles, storing them into register A and B.
Register A receive the lower nibble and register B receive the higher nibble.
Conditions
None
Examples
; A = 0x21
UNPACK
; A = 0x01
; B = 0x02