?? ex4.lst
字號:
C:\MCC18\src\traditional\startup\c018i.c
// Initialized data... C:\MCC18\src\traditional\startup\c018i.c
00154e 0e2a MOVLW 0x2a TBLPTR = (short long)&_cinit; C:\MCC18\src\traditional\startup\c018i.c
001550 6ef6 MOVWF 0xf6,0x0
001552 0e00 MOVLW 0x0
001554 6ef7 MOVWF 0xf7,0x0
001556 0e00 MOVLW 0x0
001558 6ef8 MOVWF 0xf8,0x0
_asm C:\MCC18\src\traditional\startup\c018i.c
00155a 0100 MOVLB 0x0 movlb data_ptr C:\MCC18\src\traditional\startup\c018i.c
00155c 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
00155e 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\MCC18\src\traditional\startup\c018i.c
001560 6fa9 MOVWF 0xa9,0x1 movwf curr_entry, 1 C:\MCC18\src\traditional\startup\c018i.c
001562 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
001564 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\MCC18\src\traditional\startup\c018i.c
001566 6faa MOVWF 0xaa,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
001568 e103 BNZ 0x1570 bnz 3 C:\MCC18\src\traditional\startup\c018i.c
00156a 67a9 TSTFSZ 0xa9,0x1 tstfsz curr_entry, 1 C:\MCC18\src\traditional\startup\c018i.c
00156c d001 BRA 0x1570 bra 1 C:\MCC18\src\traditional\startup\c018i.c
_endasm C:\MCC18\src\traditional\startup\c018i.c
00156e d03d BRA 0x15ea 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
001570 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
001572 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\MCC18\src\traditional\startup\c018i.c
001574 6fa4 MOVWF 0xa4,0x1 movwf prom, 1 C:\MCC18\src\traditional\startup\c018i.c
001576 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
001578 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\MCC18\src\traditional\startup\c018i.c
00157a 6fa5 MOVWF 0xa5,0x1 movwf prom+1, 1 C:\MCC18\src\traditional\startup\c018i.c
00157c 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
00157e 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\MCC18\src\traditional\startup\c018i.c
001580 6fa6 MOVWF 0xa6,0x1 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
001582 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
/* read the destination address directly into FSR0 */ C:\MCC18\src\traditional\startup\c018i.c
001584 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
001586 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\MCC18\src\traditional\startup\c018i.c
001588 6ee9 MOVWF 0xe9,0x0 movwf FSR0L, 0 C:\MCC18\src\traditional\startup\c018i.c
00158a 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
00158c 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\MCC18\src\traditional\startup\c018i.c
00158e 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
001590 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
001592 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
/* read the destination address directly into FSR0 */ C:\MCC18\src\traditional\startup\c018i.c
001594 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
001596 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\MCC18\src\traditional\startup\c018i.c
001598 6fa7 MOVWF 0xa7,0x1 movwf curr_byte, 1 C:\MCC18\src\traditional\startup\c018i.c
00159a 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
00159c 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\MCC18\src\traditional\startup\c018i.c
00159e 6fa8 MOVWF 0xa8,0x1 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
0015a0 0009 TBLRDPOSTINC tblrdpostinc C:\MCC18\src\traditional\startup\c018i.c
0015a2 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
0015a4 cff6 MOVFF 0xff6,0xab data_ptr = TBLPTR; C:\MCC18\src\traditional\startup\c018i.c
0015a6 f0ab
0015a8 cff7 MOVFF 0xff7,0xac
0015aa f0ac
0015ac cff8 MOVFF 0xff8,0xad
0015ae f0ad
C:\MCC18\src\traditional\startup\c018i.c
/* now assign the source address to the table pointer */ C:\MCC18\src\traditional\startup\c018i.c
0015b0 c0a4 MOVFF 0xa4,0xff6 TBLPTR = prom; C:\MCC18\src\traditional\startup\c018i.c
0015b2 fff6
0015b4 c0a5 MOVFF 0xa5,0xff7
0015b6 fff7
0015b8 c0a6 MOVFF 0xa6,0xff8
0015ba fff8
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