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COP688CL Datasheet(PDF) 29 Page - National Semiconductor (TI) |
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COP688CL Datasheet(HTML) 29 Page - National Semiconductor (TI) |
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29 / 40 page  Instruction Set (Continued) INSTRUCTION SET ADD AMeml ADD A wA a Meml ADC AMeml ADD with Carry A wA a Meml a C C wCarry HC wHalf Carry SUBC AMeml Subtract with Carry A wA b MemI a C CwCarry HC wHalf Carry AND AMeml Logical AND A wA and Meml ANDSZ AImm Logical AND Immed Skip if Zero Skip next if (A and Imm) e 0 OR AMeml Logical OR A wA or Meml XOR AMeml Logical EXclusive OR A wA xor Meml IFEQ MDImm IF EQual Compare MD and Imm Do next if MD e Imm IFEQ AMeml IF EQual Compare A and Meml Do next if A e Meml IFNE AMeml IF Not Equal Compare A and Meml Do next if A i Meml IFGT AMeml IF Greater Than Compare A and Meml Do next if A l Meml IFBNE If B Not Equal Do next if lower 4 bits of B i Imm DRSZ Reg Decrement Reg Skip if Zero Reg wRegb 1 Skip if Reg e 0 SBIT Mem Set BIT 1 to bit Mem (bit e 0 to 7 immediate) RBIT Mem Reset BIT 0 to bit Mem IFBIT Mem IF BIT If bit in A or Mem is true do next instruction RPND Reset PeNDing Flag Reset Software Interrupt Pending Flag X AMem EXchange A with Memory A Mem XA X EXchange A with Memory X A X LD AMeml LoaD A with Memory A wMeml LD A X LoaD A with Memory X A w X LD BImm LoaD B with Immed B wImm LD MemImm LoaD Memory Immed Mem wImm LD RegImm LoaD Register Memory Immed Reg wImm XA B g EXchange A with Memory B A B (B wBg1) XA X g EXchange A with Memory X A X (X wg1) LD A Bg LoaD A with Memory B A w B (BwBg1) LD A Xg LoaD A with Memory X A w X (XwXg1) LD Bg Imm LoaD Memory B Immed B wImm (Bwg1) CLR A CLeaR A A w0 INC A INCrement A A wA a 1 DEC A DECrementA A wA b 1 LAID Load A InDirect from ROM A wROM (PUA) DCOR A Decimal CORrect A A wBCD correction of A (follows ADC SUBC) RRC A Rotate A Right thru C C A7 A0 C RLC A Rotate A Left thru C C wA7 w w A0wC SWAP A SWAP nibbles of A A7A4 A3A0 SC Set C C w1 HCw1 RC Reset C C w0 HCw0 IFC IF C IF C is true do next instruction IFNC IF Not C If C is not true do next instruction POP A POP the stack into A SP wSP a 1 Aw SP PUSH A PUSH A onto the stack SP wA SPw SP b 1 VIS Vector to Interrupt Service Routine PU w VU PL w VL JMPL Addr Jump absolute Long PC wii (ii e 15 bits 0 to 32k) JMP Addr Jump absolute PC90 wi(i e 12 bits) JP Disp Jump relative short PC wPC a r(ris b31 to a32 except 1) JSRL Addr Jump SubRoutine Long SP wPL SPb1 wPUSPb2 PCwii JSR Addr Jump SubRoutine SP wPL SPb1 wPUSPb2 PC90wi JID Jump InDirect PL wROM (PUA) RET RETurn from subroutine SPa2 PL w SP PUw SPb1 RETSK RETurn and SKip SPa2 PL w SP PUw SPb1 RETI RETurn from Interrupt SPa2 PL w SP PUw SPb1 GIEw1 INTR Generate an Interrupt SP wPL SPb1 wPU SPb2 PCw0FF NOP No OPeration PC wPCa1 http www nationalcom 29 |
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