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RES b,(HL)     Bit Reset     Rabbit 2000/3000/4000/5000 Instruction

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

Clocks	8-Bit Access	16-Bit Unaligned	16-Bit Aligned
Rabbit 2000/3000/4000	10	n/a	n/a
Rabbit 5000	10	10	8

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.