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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC312XDP512F0MPVR датащи(PDF) 283 Page - Freescale Semiconductor, Inc |
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SC312XDP512F0MPVR датащи(HTML) 283 Page - Freescale Semiconductor, Inc |
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283 / 1348 page  Chapter 6 XGATE (S12XGATEV2) MC9S12XDP512 Data Sheet, Rev. 2.21 Freescale Semiconductor 283 Operation TFR RD,CCR: CCR ⇒ RD[3:0]; 0 ⇒ RD[15:4] TFR CCR,RD: RD[3:0] ⇒ CCR TFR RD,PC: PC+4 ⇒ RD Transfers the content of one RISC core register to another. The TFR RD,PC instruction can be used to implement relative subroutine calls. Example: TFR R7,PC ;Return address (RETADDR) is stored in R7 BRA SUBR ;Relative branch to subroutine (SUBR) RETADDR ... SUBR ... JAL R7 ;Jump to return address (RETADDR) CCR Effects Code and CPU Cycles TFR Transfer from and to Special Registers TFR Source Form Address Mode Machine Code Cycles TFR RD,CCR CCR ⇒ RD MON 00000 RD 1 1111000 P TFR CCR,RS RS ⇒ CCR MON 00000 RS 1 1111001 P TFR RD,PCPC+4 ⇒ RD MON 00000 RD 1 1111010 P TFR RD,CCR, TFR RD,PC: TFR CCR,RS: NZ V C ———— N: Not affected. Z: Not affected. V: Not affected. C: Not affected. NZ V C ∆∆∆∆ N: RS[3]. Z: RS[2]. V: RS[1]. C: RS[0]. |
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