📄 ex1.lst
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0010fa 0e2a MOVLW 0x2a TBLPTR = (short long)&_cinit; C:\mcc18\src\startup\c018i.c
0010fc 6ef6 MOVWF 0xf6,0x0
0010fe 0e00 MOVLW 0x0
001100 6ef7 MOVWF 0xf7,0x0
001102 0e00 MOVLW 0x0
001104 6ef8 MOVWF 0xf8,0x0
_asm C:\mcc18\src\startup\c018i.c
001106 0100 MOVLB 0x0 movlb data_ptr C:\mcc18\src\startup\c018i.c
001108 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
00110a 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\mcc18\src\startup\c018i.c
00110c 6f9b MOVWF 0x9b,0x1 movwf curr_entry, 1 C:\mcc18\src\startup\c018i.c
00110e 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
001110 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\mcc18\src\startup\c018i.c
001112 6f9c MOVWF 0x9c,0x1 movwf curr_entry+1, 1 C:\mcc18\src\startup\c018i.c
_endasm C:\mcc18\src\startup\c018i.c
//while (curr_entry) C:\mcc18\src\startup\c018i.c
//{ C:\mcc18\src\startup\c018i.c
test: C:\mcc18\src\startup\c018i.c
_asm C:\mcc18\src\startup\c018i.c
001114 e103 BNZ 0x111c bnz 3 C:\mcc18\src\startup\c018i.c
001116 679b TSTFSZ 0x9b,0x1 tstfsz curr_entry, 1 C:\mcc18\src\startup\c018i.c
001118 d001 BRA 0x111c bra 1 C:\mcc18\src\startup\c018i.c
_endasm C:\mcc18\src\startup\c018i.c
00111a d03d BRA 0x1196 goto done; C:\mcc18\src\startup\c018i.c
/* Count down so we only have to look up the data in _cinit C:\mcc18\src\startup\c018i.c
* once. C:\mcc18\src\startup\c018i.c
* C:\mcc18\src\startup\c018i.c
* At this point we know that TBLPTR points to the top of the current C:\mcc18\src\startup\c018i.c
* entry in _cinit, so we can just start reading the from, to, and C:\mcc18\src\startup\c018i.c
* size values. C:\mcc18\src\startup\c018i.c
*/ C:\mcc18\src\startup\c018i.c
_asm C:\mcc18\src\startup\c018i.c
/* read the source address */ C:\mcc18\src\startup\c018i.c
00111c 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
00111e 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\mcc18\src\startup\c018i.c
001120 6f96 MOVWF 0x96,0x1 movwf prom, 1 C:\mcc18\src\startup\c018i.c
001122 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
001124 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\mcc18\src\startup\c018i.c
001126 6f97 MOVWF 0x97,0x1 movwf prom+1, 1 C:\mcc18\src\startup\c018i.c
001128 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
00112a 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\mcc18\src\startup\c018i.c
00112c 6f98 MOVWF 0x98,0x1 movwf prom+2, 1 C:\mcc18\src\startup\c018i.c
/* skip a byte since it's stored as a 32bit int */ C:\mcc18\src\startup\c018i.c
00112e 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
/* read the destination address directly into FSR0 */ C:\mcc18\src\startup\c018i.c
001130 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
001132 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\mcc18\src\startup\c018i.c
001134 6ee9 MOVWF 0xe9,0x0 movwf FSR0L, 0 C:\mcc18\src\startup\c018i.c
001136 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
001138 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\mcc18\src\startup\c018i.c
00113a 6eea MOVWF 0xea,0x0 movwf FSR0H, 0 C:\mcc18\src\startup\c018i.c
/* skip two bytes since it's stored as a 32bit int */ C:\mcc18\src\startup\c018i.c
00113c 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
00113e 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
/* read the destination address directly into FSR0 */ C:\mcc18\src\startup\c018i.c
001140 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
001142 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\mcc18\src\startup\c018i.c
001144 6f99 MOVWF 0x99,0x1 movwf curr_byte, 1 C:\mcc18\src\startup\c018i.c
001146 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
001148 50f5 MOVF 0xf5,0x0,0x0 movf TABLAT, 0, 0 C:\mcc18\src\startup\c018i.c
00114a 6f9a MOVWF 0x9a,0x1 movwf curr_byte+1, 1 C:\mcc18\src\startup\c018i.c
/* skip two bytes since it's stored as a 32bit int */ C:\mcc18\src\startup\c018i.c
00114c 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
00114e 0009 TBLRDPOSTINC tblrdpostinc C:\mcc18\src\startup\c018i.c
_endasm C:\mcc18\src\startup\c018i.c
//prom = data_ptr->from; C:\mcc18\src\startup\c018i.c
//FSR0 = data_ptr->to; C:\mcc18\src\startup\c018i.c
//curr_byte = (unsigned short) data_ptr->size; C:\mcc18\src\startup\c018i.c
/* the table pointer now points to the next entry. Save it C:\mcc18\src\startup\c018i.c
* off since we'll be using the table pointer to do the copying C:\mcc18\src\startup\c018i.c
* for the entry. C:\mcc18\src\startup\c018i.c
*/ C:\mcc18\src\startup\c018i.c
001150 cff6 MOVFF 0xff6,0x9d data_ptr = TBLPTR; C:\mcc18\src\startup\c018i.c
001152 f09d
001154 cff7 MOVFF 0xff7,0x9e
001156 f09e
001158 cff8 MOVFF 0xff8,0x9f
00115a f09f
C:\mcc18\src\startup\c018i.c
/* now assign the source address to the table pointer */ C:\mcc18\src\startup\c018i.c
00115c c096 MOVFF 0x96,0xff6 TBLPTR = prom; C:\mcc18\src\startup\c018i.c
00115e fff6
001160 c097 MOVFF 0x97,0xff7
001162 fff7
001164 c098 MOVFF 0x98,0xff8
001166 fff8
C:\mcc18\src\startup\c018i.c
/* do the copy loop */ C:\mcc18\src\startup\c018i.c
_asm C:\mcc18\src\startup\c018i.c
// determine if we have any more bytes to copy C:\mcc18\src\startup\c018i.c
001168 0100 MOVLB 0x0 movlb curr_byte C:\mcc18\src\startup\c018i.c
00116a 5399 MOVF 0x99,0x1,0x1 movf curr_byte, 1, 1 C:\mcc18\src\startup\c018i.c
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