RES b,(HL)     Bit Reset     Rabbit 2000/3000/4000 Instruction

Opcode	Instruction	Clocks	Operation
----	RES b,(HL)	10 (2,2,1,2,3)	(HL) = (HL) & ~bit b
CB 86	RES 0,(HL)	10 (2,2,1,2,3)	(HL) = (HL) & ~bit 0
CB 8E	RES 1,(HL)	10 (2,2,1,2,3)	(HL) = (HL) & ~bit 1
CB 96	RES 2,(HL)	10 (2,2,1,2,3)	(HL) = (HL) & ~bit 2
CB 9E	RES 3,(HL)	10 (2,2,1,2,3)	(HL) = (HL) & ~bit 3
CB A6	RES 4,(HL)	10 (2,2,1,2,3)	(HL) = (HL) & ~bit 4
CB AE	RES 5,(HL)	10 (2,2,1,2,3)	(HL) = (HL) & ~bit 5
CB B6	RES 6,(HL)	10 (2,2,1,2,3)	(HL) = (HL) & ~bit 6
CB BE	RES 7,(HL)	10 (2,2,1,2,3)	(HL) = (HL) & ~bit 7

Flags				ALTD			IOI/IOE
S	Z	L/V	C	F	R	SP	S	D
-	-	-	-					·

Description

Resets bit b (any of the bits 0, 1, 2, 3, 4, 5, 6, or 7) of the data whose address is in HL

The bit is reset by performing a bitwise AND between the selected bit and its complement.