w65c816s Microprocessor Data Sheet.pdf

The Western Design Center, Inc.W65C816S Data SheetBlock Move-xyc ...............................................................................................................................................................................22Direct Indexed Indirect-(d,x)..........................................................................................................................................................23Direct Indexed with X-d,x..............................................................................................................................................................23Direct Indexed with Y-d,y ..............................................................................................................................................................23Direct Indirect Indexed-(d),y..........................................................................................................................................................24Direct Indirect Long Indexed-[d],y ...............................................................................................................................................24Direct Indirect Long-[d]..................................................................................................................................................................24Direct Indirect-(d) ............................................................................................................................................................................25Direct-d ..............................................................................................................................................................................................25Immediate-# ......................................................................................................................................................................................25Implied-i ............................................................................................................................................................................................25Program Counter Relative Long-rl................................................................................................................................................25Program Counter Relative-r ...........................................................................................................................................................26Stack-s ................................................................................................................................................................................................26Stack Relative-d,s.............................................................................................................................................................................26Stack Relative Indirect Indexed-(d,s),y ........................................................................................................................................265 TIMING, AC AND DC CHARACTERISTICS............................................................................285.1 Absolute Maximum Ratings ................................................................................................... 285.2 DC Characteristics TA = -40°C to +85°C.............................................................................. 296 OPERATION TABLES.................................................................................................................327 RECOMMENDED W65C816S ASSEMBLER SYNTAX STANDARDS...................................527.1 Directives ............................................................................................................................... 527.2 Comments .............................................................................................................................. 527.3 The Source Line ..................................................................................................................... 527.3.1 The Label Field.................................................................................................................................................................527.3.2 The Operation Code Field ..............................................................................................................................................527.3.3 The Operand Field ...........................................................................................................................................................537.3.4 Comment Field .................................................................................................................................................................558 Caveats...........................................................................................................................................568.1 Stack Addressing.................................................................................................................... 578.2 Direct Addressing................................................................................................................... 578.3 Absolute Indexed Addressing ................................................................................................. 578.4 ABORTB Input...................................................................................................................... 578.5 VDA and VPA Valid Memory Address Output Signals .......................................................... 578.6 DB/BA operation when RDY is Pulled Low............................................................................ 588.7 MX Output............................................................................................................................. 588.8 All OpCodes Function in All Modes of Operation.................................................................. 588.9 Indirect Jumps ....................................................................................................................... 588.10 Switching Modes .................................................................................................................... 588.11 How Interrupts Affect the Program Bank and the Data Bank Registers ................................ 588.12 Binary Mode .......................................................................................................................... 598.13 WAI Instruction..................................................................................................................... 598.14 The STP Instruction............................................................................................................... 598.15 COP Signatures...................................................................................................................... 598.16 WDM OpCode Use................................................................................................................. 598.17 RDY Pulled During Write ...................................................................................................... 598.18 MVN and MVP Affects on the Data Bank Register................................................................ 598.19 Interrupt Priorities................................................................................................................. 608.20 Transfers from 8-Bit to 16-Bit, or 16-Bit to 8-Bit Registers .................................................... 60The Western Design Center W65C816S 4