Samsung KS57C2308 Manual

Contents

SAM47 INSTRUCTION SET KS57C2308/P2308/C2316/P23165-6SYMBOLS and CONVENTIONSTable 5-4. Data Type SymbolsSymbol Data Typed Immediate dataa Address datab Bit datar Register dataf Flag datai Indirect addressing datat memc × 0.5 immediate dataTable 5-5. Register IdentifiersFull Register Name ID4-bit accumulator A4-bit working registers E, L, H, X, W,Z, Y8-bit extended accumulator EA8-bit memory pointer HL8-bit working registers WX, YZ, WLSelect register bank “n” SRB nSelect memory bank “n” SMB nCarry flag CProgram status word PSWPort “n” Pn“m”-th bit of port “n” Pn.mInterrupt priority register IPREnable memory bank flag EMBEnable register bank flag ERBTable 5-6. Instruction Operand NotationSymbol DefinitionDA Direct address@ Indirect address prefixsrc Source operanddst Destination operand(R) Contents of register R.b Bit locationim 4-bit immediate data (number)imm 8-bit immediate data (number)# Immediate data prefixADR 000H–1FFFH immediate addressADRn “n” bit addressR A, E, L, H, X, W, Z, YRa E, L, H, X, W, Z, YRR EA, HL, WX, YZRRa HL, WX, WLRRb HL, WX, YZRRc WX, WLmema FB0H–FBFH, FF0H–FFFHmemb FC0H–FFFHmemc Code direct addressing:0020H–007FHSB Select bank register (8 bits)XOR Logical exclusive-OROR Logical ORAND Logical AND[(RR)] Contents addressed by RR