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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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V850E/MA2 데이터시트(PDF) 69 Page - NEC |
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V850E/MA2 데이터시트(HTML) 69 Page - NEC |
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69 / 226 page  CHAPTER 5 INSTRUCTIONS User’s Manual U14559EJ3V1UM 69 <Special instruction> Function dispose DISPOSE Function Dispose Instruction format (1) DISPOSE imm5, list12 (2) DISPOSE imm5, list12, [reg1] Operation (1) sp ← sp + zero-extend (imm5 logically shift left by 2) GR [reg in list12] ← Load-memory (sp, Word) sp ← sp + 4 repeat 2 steps above until all regs in list12 are loaded (2) sp ← sp + zero-extend (imm5 logically shift left by 2) GR [reg in list12] ← Load-memory (sp, Word) sp ← sp + 4 repeat 2 states above until all regs in list12 are loaded PC ← GR [reg1] Format Format XIII Opcode 15 0 31 16 (1) 0000011001iiiiiL LLLLLLLLLLL00000 15 0 31 16 (2) 0000011001iiiiiL LLLLLLLLLLLRRRRR RRRRR must not be 00000. LLLLLLLLLLLL indicates the bit value corresponding to the register list (list12) (for example, “L” of bit 21 in an opcode indicates the value of bit 21 of list12). list12 is a 32-bit register list defined as follows. 31 30 29 28 27 26 25 24 23 22 21 20 … 1 0 r24 r25 r26 r27 r20 r21 r22 r23 r28 r29 r31 − r30 Bits 31 to 21 and bit 0 correspond to each bit of the general-purpose registers (r21 to r31). The register corresponding to the set bit (1) is specified as the manipulation target. For example, when r20 and r30 are specified, list12 values are as follows (the set values of bits 20 to 1 to which registers do not correspond can be 0 or 1 (don’t care)). • If the values of all the bits to which registers do not correspond are set to 0: 08000001H • If the values of all the bits to which registers do not correspond are set to 1: 081FFFFFH |
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