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UPD17708 Datasheet(PDF) 334 Page - NEC |
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UPD17708 Datasheet(HTML) 334 Page - NEC |
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334 / 356 page ![]() 334 µPD17704, 17705, 17707, 17708, 17709 22.3 Instruction List Instructions Mnemonic Operand Operation Instruction Code Op code Operand Add ADD r,m (r) ← (r) + (m) 00000 mR mC r m,#n4 (m) ← (m) + n4 10000 mR mC n4 ADDC r,m (r) ← (r) + (m) + CY 00010 mR mC r m,#n4 (m) ← (m) + n4 + CY 10010 mR mC n4 INC AR AR ← AR + 1 00111 000 1001 0000 IX IX ← IX + 1 00111 000 1000 0000 Subtract SUB r,m (r) ← (r) – (m) 00001 mR mC r m,#n4 (m) ← (m) – n4 10001 mR mC n4 SUBC r,m (r) ← (r) – (m) – CY 00011 mR mC r m,#n4 (m) ← (m) – n4 – CY 10011 mR mC n4 Logical OR r,m (r) ← (r) v (m) 00110 mR mC r operation m,#n4 (m) ← (m) v n4 10110 mR mC n4 AND r,m (r) ← (r) (m) 00100 mR mC r m,#n4 (m) ← (m) n4 10100 mR mC n4 XOR r,m (r) ← (r) v (m) 00101 mR mC r m,#n4 (m) ← (m) v n4 10101 mR mC n4 Judge SKT m,#n CMP ← 0, if (m) n = n, then skip 11110 mR mC n SKF m,#n CMP ← 0, if (m) n = 0, then skip 11111 mR mC n Compare SKE m,#n4 (m) – n4, skip if zero 01001 mR mC n4 SKNE m,#n4 (m) – n4, skip if not zero 01011 mR mC n4 SKGE m,#n4 (m) – n4, skip if not borrow 11001 mR mC n4 SKLT m,#n4 (m) – n4, skip if borrow 11011 mR mC n4 Rotate RORC r CY ← (r) b3 ← (r) b2 ← (r) b1 ← (r) b0 00111 000 0111 r Transfer LD r,m (r) ← (m) 01000 mR mC r ST m,r (m) ← (r) 11000 mR mC r MOV @r,m if MPE = 1 : (MP, (r)) ← (m) 01010 mR mC r if MPE = 0 : (BANK, mR, (r)) ← (m) m, @r if MPE = 1 : (m) ← (MP, (r)) 11010 mR mC r if MPE = 0 : (m) ← (BANK, mR, (r)) m,#n4 (m) ← n4 11101 mR mC n4 MOVT DBF,@AR SP ← SP – 1, ASR ← PC, PC ← AR, 00111 000 0001 0000 DBF ← (PC), PC ← ASR, SP ← SP + 1 PUSH AR SP ← SP – 1, ASR ← AR 00111 000 1101 0000 POP AR AR ← ASR, SP ← SP + 1 00111 000 1100 0000 GET DBF,p DBF ← (p) 00111 pH 1011 pL PUT p,DBF (p) ← DBF 00111 pH 1010 pL PEEK WR,rf WR ← (rf) 00111 rfR 0011 rfC POKE rf,WR (rf) ← WR 00111 rfR 0010 rfC |
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