6510/65816 Addressing mode: Relative -- r (BPL,BMI,BVC,BVS,BCC,BCS,BNE,BEQ,BRA) (2 bytes) (2,3 and 1 cycles) +---------------+------------------+-----------------------+----------+ | Cycle | Address Bus | Data Bus |Read/Write| +---------------+------------------+-----------------------+----------+ | 1 | PBR,PC | Op Code | R | | 2 | PBR,PC+1 | Offset | R | | (5) 2a | PBR,PC+2 | Internal Operation | R | | (6) 2b | PBR,PC+2+OFF | Internal Operation | R | | 1 | PBR,NewPC | New Op Code | R | +---------------+------------------+-----------------------+----------+ (5) Add 1 cycle if branch is taken. (6) Add 1 cycle if branch is taken across page boundaries in 6502 emulation mode (E=1). See also: Abbreviations