65816 Addressing mode: Stack Relative Indirect Indexed -- (d,s),y (ADC,AND,CMP,EOR,LDA,ORA,SBC,STA) (2 bytes) (7 and 8 cycles) +---------------+------------------+-----------------------+----------+ | Cycle | Address Bus | Data Bus |Read/Write| +---------------+------------------+-----------------------+----------+ | 1 | PBR,PC | Op Code | R | | 2 | PBR,PC+1 | Stack Offset | R | | 3 | PBR,PC+1 | Internal Operation | R | | 4 | 0,S+SO | Absolute Address Low | R | | 5 | 0,S+SO+1 | Absolute Address High | R | | 6 | 0,S+SO+1 | Internal Operation | R | | 7 | DBR,AA+Y | Data Low | R/W | | (1) 7a | DBR,AA+Y+1 | Data High | R/W | +---------------+------------------+-----------------------+----------+ (1) Add 1 cycle for M=0 or X=0 (i.e. 16 bit data). See also: Abbreviations |