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TMS320C80GF Datasheet(PDF) 55 Page - Texas Instruments |
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TMS320C80GF Datasheet(HTML) 55 Page - Texas Instruments |
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55 / 171 page  TMS320C80 DIGITAL SIGNAL PROCESSOR SPRS023B – JULY 1994 – REVISED OCTOBER 1997 52 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 PP opcode formats A PP instruction uses a 64-bit opcode. The opcode is divided essentially into a data unit portion and a parallel transfer portion. There are five data unit opcode formats comprising bits 38–63 of the opcode. Bits 0–38 of the opcode specify one of 10 parallel transfer formats. An alphabetical list of the mnemonics used in Figure 45 for the data unit and parallel transfer portions of the opcode are shown in Table 12 and Table 13, respectively. Data Unit Formats 6 3 6 2 6 1 6 0 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 1 5 0 4 9 4 8 4 7 4 6 4 5 4 4 4 3 4 2 4 1 4 0 3 9 3 8 3 7 3 6 3 5 3 4 3 3 3 2 3 1 3 0 2 9 32 10 0 1 1 oper src3 dst2 dst1 src1 src4 src2 Parallel Transfers A. Six-Operand (MPYIIADD, etc.) 1 class A ALU Operation dst src1 0 imm. src2 Parallel Transfers B. Base Set ALU (5-Bit Immediate) 1 class A ALU Operation dst src1 1 0 – src2 Parallel Transfers C. Base Set ALU (Register src2) 1 class A ALU Operation dst src1 1 1 dstbank s1bnk cond 32-Bit Immediate D. Base Set ALU (32-Bit Immediate) 1 0 0 0 1 – 0 – 0 – 0 – 0 – – – – – – 0 Operation Parallel Transfers E. Miscellaneous 0 0 Reserved 0 1 0 Reserved Transfer Formats 3 8 3 7 3 6 3 5 3 4 3 3 3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 8 7654 32 1 0 Lmode d e size s La Gim/X L 0bank L Gmode reg e size s Ga Lim/X 1. Double Parallel Lmode d e size s La 0 Lrm dstbank L 0 0 0 0 src srcbank dst Lim/X 2. Move II Local Lmode d e size s La 0 Lrm dstbank L 0 0 0 1 src e size D dst Lim/X 3. Field Move II Local Lmode reg e size s La 1 Lrm bank L 0 0 Local Long Offset / X 4. Local (Long Offset) 0 0 Global Long Offset /X bank L Gmode reg e size s Ga 0 Grm 5. Global (Long Offset) Lmode d e size s La 0 Lrm Adstbank L 0 0 1 – – – – As1bank – – – Lim/X 6. Non-D DU II Local 0 0 – cond c r g N C V Z 0 – – dstbank – 0 0 0 0 src srcbank dst – – – 7. Conditional DU II Conditional Mode 0 0 – cond c r g N C V Z 0 itm dstbank – 0 0 0 1 src e size D dst – – – 8. Conditional DU II Conditional Field Move 0 0 – cond c r g N C V Z Gim/X bank L Gmode reg e size s Ga 1 Grm 9. Conditional DU II Conditional Global 0 0 – cond c r – N C V Z 0 – – Adstbank – 0 0 1 – – – – As1bank – – – – – – 10. Conditional Non-D DU Figure 45. PP Opcode Formats |
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