65816 Addressing mode: Direct Indirect -- (d) (ADC,AND,CMP,EOR,LDA,ORA,SBC,STA) (2 bytes) (5,6 and 7 cycles) +---------------+------------------+-----------------------+----------+ | Cycle | Address Bus | Data Bus |Read/Write| +---------------+------------------+-----------------------+----------+ | 1 | PBR,PC | Op Code | R | | 2 | PBR,PC+1 | Direct Offset | R | | (2) 2a | PBR,PC+1 | Internal Operation | R | | 3 | 0,D+DO | Absolute Address Low | R | | 1 | 0,D+DO+1 | Absolute Address High | R | | 5 | DBR,AA | Data Low | R/W | | (1) 5a | DBR,AA+1 | Data Low | R/W | +---------------+------------------+-----------------------+----------+ (1) Add 1 cycle for M=0 or X=0 (i.e. 16 bit data). (2) Add 1 cycle for direct register low (DL) not equal 0. See also: Abbreviations |