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COP884CS Datasheet(PDF) 44 Page - National Semiconductor (TI) |
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COP884CS Datasheet(HTML) 44 Page - National Semiconductor (TI) |
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44 / 53 page  Instruction Set (Continued) INSTRUCTION SET ADD A,Meml ADD A←A + Meml ADC A,Meml ADD with Carry A←A+Meml+C,C←Carry HC←Half Carry SUBC A,Meml Subtract with Carry A←A−MemI+C,C←Carry HC←Half Carry AND A,Meml Logical AND A←A and Meml ANDSZ A,Imm Logical AND Immed., Skip if Zero Skip next if (A and Imm) = 0 OR A,Meml Logical OR A←A or Meml XOR A,Meml Logical EXclusive OR A←A xor Meml IFEQ MD,Imm IF EQual Compare MD and Imm, Do next if MD = Imm IFEQ A,Meml IF EQual Compare A and Meml, Do next if A = Meml IFNE A,Meml IF Not Equal Compare A and Meml, Do next if A ≠ Meml IFGT A,Meml IF Greater Than Compare A and Meml, Do next if A > Meml IFBNE # If B Not Equal Do next if lower 4 bits of B ≠ Imm DRSZ Reg Decrement Reg., Skip if Zero Reg←Reg − 1, Skip if Reg = 0 SBIT #,Mem Set BIT 1 to bit, Mem (bit = 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 A,Mem EXchange A with Memory A ↔Mem X A,[X] EXchange A with Memory [X] A ↔[X] LD A,Meml LoaD A with Memory A←Meml LD A,[X] LoaD A with Memory [X] A←[X] LD B,Imm LoaD B with Immed. B←Imm LD Mem,Imm LoaD Memory Immed Mem←Imm LD Reg,Imm LoaD Register Memory Immed. Reg←Imm XA, [B ±] EXchange A with Memory [B] A ↔[B], (B←B ±1) XA, [X ±] EXchange A with Memory [X] A ↔[X], (X←X ±1) LD A, [B±] LoaD A with Memory [B] A←[B], (B←B ±1) LD A, [X±] LoaD A with Memory [X] A←[X], (X←X±1) LD [B±],Imm LoaD Memory [B] Immed. [B]←Imm, (B←B±1) CLR A CLeaR A A←0 INC A INCrement A A←A+1 DEC A DECrement A A←A−1 LAID Load A InDirect from ROM A←ROM (PU,A) DCOR A Decimal CORrect A A←BCD 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←A7←…←A0←C SWAP A SWAP nibbles of A A7…A4 ↔A3…A0 SC Set C C←1, HC←1 RC Reset C C←0, HC←0 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←SP+1,A←[SP] PUSH A PUSH A onto the stack [SP]←A, SP←SP−1 VIS Vector to Interrupt Service Routine PU←[VU], PL←[VL] JMPL Addr. Jump absolute Long PC←ii (ii = 15 bits, 0 to 32k) JMP Addr. Jump absolute PC9…0←i(i = 12 bits) JP Disp. Jump relative short PC←PC+r(ris−31 to +32, except 1) www.national.com 44 |
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