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📄 clock.lst

📁 基于pic18f452的时钟代码
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000e42   0e00     MOVLW     0x0                                                                                             
000e44   6ef7     MOVWF     0xf7,0x0                                                                                        
000e46   0e00     MOVLW     0x0                                                                                             
000e48   6ef8     MOVWF     0xf8,0x0                                                                                        
                                             _asm                                                                           C:\MCC18\src\traditional\startup\c018i.c
000e4a   0100     MOVLB     0x0                movlb data_ptr                                                               C:\MCC18\src\traditional\startup\c018i.c
000e4c   0009     TBLRDPOSTINC                 tblrdpostinc                                                                 C:\MCC18\src\traditional\startup\c018i.c
000e4e   50f5     MOVF      0xf5,0x0,0x0       movf TABLAT, 0, 0                                                            C:\MCC18\src\traditional\startup\c018i.c
000e50   6fd2     MOVWF     0xd2,0x1           movwf curr_entry, 1                                                          C:\MCC18\src\traditional\startup\c018i.c
000e52   0009     TBLRDPOSTINC                 tblrdpostinc                                                                 C:\MCC18\src\traditional\startup\c018i.c
000e54   50f5     MOVF      0xf5,0x0,0x0       movf TABLAT, 0, 0                                                            C:\MCC18\src\traditional\startup\c018i.c
000e56   6fd3     MOVWF     0xd3,0x1           movwf curr_entry+1, 1                                                        C:\MCC18\src\traditional\startup\c018i.c
                                             _endasm                                                                        C:\MCC18\src\traditional\startup\c018i.c
                                               //while (curr_entry)                                                         C:\MCC18\src\traditional\startup\c018i.c
                                               //{                                                                          C:\MCC18\src\traditional\startup\c018i.c
                                               test:                                                                        C:\MCC18\src\traditional\startup\c018i.c
                                               _asm                                                                         C:\MCC18\src\traditional\startup\c018i.c
000e58   e103     BNZ       0xe60               bnz 3                                                                       C:\MCC18\src\traditional\startup\c018i.c
000e5a   67d2     TSTFSZ    0xd2,0x1           tstfsz curr_entry, 1                                                         C:\MCC18\src\traditional\startup\c018i.c
000e5c   d001     BRA       0xe60              bra 1                                                                        C:\MCC18\src\traditional\startup\c018i.c
                                               _endasm                                                                      C:\MCC18\src\traditional\startup\c018i.c
000e5e   d03d     BRA       0xeda              goto done;                                                                   C:\MCC18\src\traditional\startup\c018i.c
                                                 /* Count down so we only have to look up the data in _cinit                C:\MCC18\src\traditional\startup\c018i.c
                                                  * once.                                                                   C:\MCC18\src\traditional\startup\c018i.c
                                                  *                                                                         C:\MCC18\src\traditional\startup\c018i.c
                                                  * At this point we know that TBLPTR points to the top of the current      C:\MCC18\src\traditional\startup\c018i.c
                                                  * entry in _cinit, so we can just start reading the from, to, and         C:\MCC18\src\traditional\startup\c018i.c
                                                  * size values.                                                            C:\MCC18\src\traditional\startup\c018i.c
                                                  */                                                                        C:\MCC18\src\traditional\startup\c018i.c
                                                 _asm                                                                       C:\MCC18\src\traditional\startup\c018i.c
                                           	/* read the source address */                                                   C:\MCC18\src\traditional\startup\c018i.c
000e60   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
000e62   50f5     MOVF      0xf5,0x0,0x0   	movf TABLAT, 0, 0                                                               C:\MCC18\src\traditional\startup\c018i.c
000e64   6fcd     MOVWF     0xcd,0x1       	movwf prom, 1                                                                   C:\MCC18\src\traditional\startup\c018i.c
000e66   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
000e68   50f5     MOVF      0xf5,0x0,0x0   	movf TABLAT, 0, 0                                                               C:\MCC18\src\traditional\startup\c018i.c
000e6a   6fce     MOVWF     0xce,0x1       	movwf prom+1, 1                                                                 C:\MCC18\src\traditional\startup\c018i.c
000e6c   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
000e6e   50f5     MOVF      0xf5,0x0,0x0   	movf TABLAT, 0, 0                                                               C:\MCC18\src\traditional\startup\c018i.c
000e70   6fcf     MOVWF     0xcf,0x1       	movwf prom+2, 1                                                                 C:\MCC18\src\traditional\startup\c018i.c
                                           	/* skip a byte since it's stored as a 32bit int */                              C:\MCC18\src\traditional\startup\c018i.c
000e72   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
                                           	/* read the destination address directly into FSR0 */                           C:\MCC18\src\traditional\startup\c018i.c
000e74   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
000e76   50f5     MOVF      0xf5,0x0,0x0   	movf TABLAT, 0, 0                                                               C:\MCC18\src\traditional\startup\c018i.c
000e78   6ee9     MOVWF     0xe9,0x0       	movwf FSR0L, 0                                                                  C:\MCC18\src\traditional\startup\c018i.c
000e7a   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
000e7c   50f5     MOVF      0xf5,0x0,0x0   	movf TABLAT, 0, 0                                                               C:\MCC18\src\traditional\startup\c018i.c
000e7e   6eea     MOVWF     0xea,0x0       	movwf FSR0H, 0                                                                  C:\MCC18\src\traditional\startup\c018i.c
                                           	/* skip two bytes since it's stored as a 32bit int */                           C:\MCC18\src\traditional\startup\c018i.c
000e80   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
000e82   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
                                           	/* read the destination address directly into FSR0 */                           C:\MCC18\src\traditional\startup\c018i.c
000e84   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
000e86   50f5     MOVF      0xf5,0x0,0x0   	movf TABLAT, 0, 0                                                               C:\MCC18\src\traditional\startup\c018i.c
000e88   6fd0     MOVWF     0xd0,0x1       	movwf curr_byte, 1                                                              C:\MCC18\src\traditional\startup\c018i.c
000e8a   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
000e8c   50f5     MOVF      0xf5,0x0,0x0   	movf TABLAT, 0, 0                                                               C:\MCC18\src\traditional\startup\c018i.c
000e8e   6fd1     MOVWF     0xd1,0x1       	movwf curr_byte+1, 1                                                            C:\MCC18\src\traditional\startup\c018i.c
                                           	/* skip two bytes since it's stored as a 32bit int */                           C:\MCC18\src\traditional\startup\c018i.c
000e90   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
000e92   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
                                                 _endasm                                                                    C:\MCC18\src\traditional\startup\c018i.c
                                                 //prom = data_ptr->from;                                                   C:\MCC18\src\traditional\startup\c018i.c
                                                 //FSR0 = data_ptr->to;                                                     C:\MCC18\src\traditional\startup\c018i.c
                                                 //curr_byte = (unsigned short) data_ptr->size;                             C:\MCC18\src\traditional\startup\c018i.c
                                                 /* the table pointer now points to the next entry. Save it                 C:\MCC18\src\traditional\startup\c018i.c
                                                  * off since we'll be using the table pointer to do the copying            C:\MCC18\src\traditional\startup\c018i.c
                                                  * for the entry.                                                          C:\MCC18\src\traditional\startup\c018i.c
                                                  */                                                                        C:\MCC18\src\traditional\startup\c018i.c
000e94   cff6     MOVFF     0xff6,0xd4           data_ptr = TBLPTR;                                                         C:\MCC18\src\traditional\startup\c018i.c
000e96   f0d4                                                                                                               
000e98   cff7     MOVFF     0xff7,0xd5                                                                                      
000e9a   f0d5                                                                                                               
000e9c   cff8     MOVFF     0xff8,0xd6                                                                                      
000e9e   f0d6                                                                                                               
                                                                                                                            C:\MCC18\src\traditional\startup\c018i.c
                                                 /* now assign the source address to the table pointer */                   C:\MCC18\src\traditional\startup\c018i.c
000ea0   c0cd     MOVFF     0xcd,0xff6           TBLPTR = prom;                                                             C:\MCC18\src\traditional\startup\c018i.c
000ea2   fff6                                                                                                               
000ea4   c0ce     MOVFF     0xce,0xff7                                                                                      
000ea6   fff7                                                                                                               
000ea8   c0cf     MOVFF     0xcf,0xff8                                                                                      
000eaa   fff8                                                                                                               
                                                                                                                            C:\MCC18\src\traditional\startup\c018i.c
                                                 /* do the copy loop */                                                     C:\MCC18\src\traditional\startup\c018i.c
                                                 _asm                                                                       C:\MCC18\src\traditional\startup\c018i.c
                                                   // determine if we have any more bytes to copy                           C:\MCC18\src\traditional\startup\c018i.c
000eac   0100     MOVLB     0x0            	movlb curr_byte                                                                 C:\MCC18\src\traditional\startup\c018i.c
000eae   53d0     MOVF      0xd0,0x1,0x1   	movf curr_byte, 1, 1                                                            C:\MCC18\src\traditional\startup\c018i.c
                                           copy_loop:                                                                       C:\MCC18\src\traditional\startup\c018i.c
000eb0   e102     BNZ       0xeb6          	bnz 2 // copy_one_byte                                                          C:\MCC18\src\traditional\startup\c018i.c

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