dec de

Arithmetic // DEC (DECrement)

0x1B - u27

Description

Subtracts one from de.

T States	Bytes
6	1

Condition Bits Affected

None.

source

{
  "flags": {
    "S": "unaffected",
    "Z": "unaffected",
    "H": "unaffected",
    "P/V": "unaffected",
    "N": "unaffected",
    "C": "unaffected"
  },
  "unaffected": true,
  "operation": "dec de",
  "opcode": "dec",
  "operand": [
    "de"
  ],
  "code": "1B",
  "bytes": 1,
  "time": 6,
  "description": "Subtracts one from de.",
  "category": "Arithmetic",
  "subCategory": "DEC (DECrement)"
}