Bit Manipulation

Checks bit imm3 of the value in reg8. Also includes 1R cycle if reg8 is (hl).

• Opcode: 11001011 01 imm3 reg8

  Register	Bit Field
  a	111
  b	000
  c	001
  d	010
  e	011
  h	100
  l	101
  (hl)	110

• Bytes: 2
• Flags:
  • S: Undefined
  • Z: Set if bit imm3 is 0, reset otherwise
  • H: Set
  • P/V: Undefined
  • N: Reset
• Cycles: 2F

Checks bit imm3 of the 8-bit value pointed to by regi + ofs8.

• Opcode: regi 11001011 ofs8 01 imm3 110

  Index	Bit Field
  ix	11011101
  iy	11111101

• Bytes: 4
• Flags:
  • S: Undefined
  • Z: Set if bit imm3 is 0, reset otherwise
  • H: Set
  • P/V: Undefined
  • N: Reset
• Cycles: 4F + 1R

Resets bit imm3 of the value in reg8. Also includes 1R + 1W + 1 cycles if reg8 is (hl).

• Opcode: 11001011 10 imm3 reg8

  Register	Bit Field
  a	111
  b	000
  c	001
  d	010
  e	011
  h	100
  l	101
  (hl)	110

• Bytes: 2
• Flags:
  • None
• Cycles: 2F

Resets bit imm3 of the 8-bit value pointed to by regi + ofs8.

• Opcode: regi 11001011 ofs8 10 imm3 110

  Index	Bit Field
  ix	11011101
  iy	11111101

• Bytes: 4
• Flags:
  • None
• Cycles: 4F + 1R + 1W + 1

Sets bit imm3 of the value in reg8. Also includes 1R + 1W + 1 cycles if reg8 is (hl).

• Opcode: 11001011 11 imm3 reg8

  Register	Bit Field
  a	111
  b	000
  c	001
  d	010
  e	011
  h	100
  l	101
  (hl)	110

• Bytes: 2
• Flags:
  • None
• Cycles: 2F

Sets bit imm3 of the 8-bit value pointed to by regi + ofs8.

• Opcode: regi 11001011 ofs8 11 imm3 110

  Index	Bit Field
  ix	11011101
  iy	11111101

• Bytes: 4
• Flags:
  • S: Undefined
  • Z: Set if bit imm3 is 0, reset otherwise
  • H: Set
  • P/V: Undefined
  • N: Reset
• Cycles: 4F + 1R + 1W + 1