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TMS320C80GF Scheda tecnica(PDF) 35 Page - Texas Instruments |
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TMS320C80GF Scheda tecnica(HTML) 35 Page - Texas Instruments |
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35 / 171 page  TMS320C80 DIGITAL SIGNAL PROCESSOR SPRS023B – JULY 1994 – REVISED OCTOBER 1997 32 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 MP opcode summary (continued) Table 6. Miscellaneous Instruction Opcodes 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 vadd Mem Src / Dst Source2 / Dest 1 1 1 1 0 – 0 0 0 I – m P – d m s Source1 vsub Mem Src / Dst Source2 / Dest 1 11 10– 00 1 I – m P – d m s Source1 vmpy Mem Src / Dst Source2 / Dest 1 11 10– 01 0 I – m P – d m s Source1 vmsub Mem Src / Dst Dest 1 11 10a 01 1 I a m P Z – m – Source1 vrnd(FP) Mem Src / Dst Dest 1 11 10a 10 0 I a m P PD m s Source1 vrnd(Int) Mem Src / Dst Dest 1 11 10– 10 1 I – m P – d m s Source1 vmac Mem Src / Dst Source2 1 1 1 1 0 a 1 1 0 I a m P Z – m – Source1 vmsc Mem Src / Dst Source2 1 11 10a 11 1 I a m P Z – m – Source1 fadd Dest Source2 1 1 1 1 1 0 0 0 0 I – PD P2 P1 Source1 fsub Dest Source2 1 11 110 00 1 I – PD P2 P1 Source1 fmpy Dest Source2 1 11 110 01 0 I – PD P2 P1 Source1 fdiv Dest Source2 1 11 110 01 1 I – PD P2 P1 Source1 frndx Dest – –– –– 1 11 110 10 0 I – PD RM P1 Source1 fcmp Dest Source2 1 11 110 10 1 I – – –P2 P1 Source1 fsqrt Dest – –– –– 1 11 110 11 1 I – PD – –P1 Source1 lmo Dest Source 1 1 1 1 1 1 0 0 0 – – – – – – – – – – – – – rmo Dest Source 1 11 111 00 1– – –– ––– ––– –– – estop – – – – – – – – – – 1 1 1 1 1 1 1 1 0 – – – – – – – – – – – – – illopF – – ––– – –– –– 1 11 111 11 1 C – –– ––– ––– –– – – Reserved bit (code as 0) P Dest precision for parallel load / store (0 = single, 1 = double) a Floating-point accumulator select P1 Precision of source1 operand C Constant operands rather than register P2 Precision of source2 operand d Destination precision for vector (0 = sp, 1 = dp) PD Precision of destination result l Long immediate 32-bit data RM Rounding Mode (0 = N, 1 = Z, 2 = P, 3 = M) m Parallel memory operation specifier s Scale offset by data size Mem Src / Dst Vector store or load source / dst register Z Use 0 rather than accumulator Dest Destination register |
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