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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UPD17P136ACT датащи(PDF) 47 Page - NEC |
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UPD17P136ACT датащи(HTML) 47 Page - NEC |
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47 / 292 page  CHAPTER 4 PROGRAM MEMORY (ROM) 28 (1) Constant data table Example 1 shows an example of code used to reference a constant data table. Example 1. Program to read data in a constant data table. OFFSET MEM 0.00H ; Area to store the offset address. ROMREF: BANK0 ; Stores the start address of the constant data ; table in the AR register. MOV AR3, #.DL.TABLE SHR 12 AND 0FH MOV AR2, #.DL.TABLE SHR 8 AND 0FH MOV AR1, #.DL.TABLE SHR 4 AND 0FH MOV AR0, #.DL.TABLE AND 0FH MOV RPH, #0 ; Sets the register pointer to row address 7. MOV RPL, #7 SHL 1 ; ADD AR0, OFFSET ; Adds the offset address. ADDC AR1, #0 ADDC AR2, #0 ADDC AR3, #0 MOVT DBF, @AR ; Reads the constant data. TABLE: DW 0001H ; When OFFSET = 0H DW 0002H DW 0004H DW 0008H DW 0010H DW 0020H DW 0040H DW 0080H DW 0100H DW 0200H DW 0400H DW 0800H DW 1000H DW 2000H DW 4000H DW 8000H ; When OFFSET = 0FH END |
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