sd_test.asm

mmc/sd卡的实现源码

$02FA	$E207	BC	L_SD_Init_22
$02FC	$0EFF	MOVLW	255
$02FE	$6F6E	MOVWF 	SD_SPI_argh0, 1
$0300	$EC14	F000	CALL	_SD_SPI
$0304	$	L_SD_Init_23:
$0304	$0102	MOVLB	2
$0306	$2B44	INCF	SD_Init_i_L0,F, 1
$0308	$D7F5	BRA	L_SD_Init_21
$030A	$	L_SD_Init_22:
$030A	$9482	BCF	PORTC,2, 0
$030C	$0102	MOVLB	2
$030E	$6B67	CLRF 	SD_Send_Command_argh0, 1
$0310	$6B68	CLRF 	SD_Send_Command_argh1_1, 1
$0312	$6B69	CLRF 	SD_Send_Command_argh1_2, 1
$0314	$6B6A	CLRF 	SD_Send_Command_argh1_3, 1
$0316	$6B6B	CLRF 	SD_Send_Command_argh1_4, 1
$0318	$0E95	MOVLW	149
$031A	$6F6C	MOVWF 	SD_Send_Command_argh2, 1
$031C	$EC1D	F000	CALL	_SD_Send_Command
$0320	$0E01	MOVLW	1
$0322	$0102	MOVLB	2
$0324	$5D63	SUBWF	_SD_Send_Command_local_result,W, 1
$0326	$E002	BZ	L_SD_Init_24
$0328	$EFC3	F001	GOTO 	Error
$032C	$	L_SD_Init_24:
$032C	$	loop1:
$032C	$0E01	MOVLW	1
$032E	$0102	MOVLB	2
$0330	$6F67	MOVWF 	SD_Send_Command_argh0, 1
$0332	$6B68	CLRF 	SD_Send_Command_argh1_1, 1
$0334	$6B69	CLRF 	SD_Send_Command_argh1_2, 1
$0336	$6B6A	CLRF 	SD_Send_Command_argh1_3, 1
$0338	$6B6B	CLRF 	SD_Send_Command_argh1_4, 1
$033A	$0EFF	MOVLW	255
$033C	$6F6C	MOVWF 	SD_Send_Command_argh2, 1
$033E	$EC1D	F000	CALL	_SD_Send_Command
$0342	$6A00	CLRF 	STACK_0, 0
$0344	$5000	MOVF	STACK_0,W, 0
$0346	$0102	MOVLB	2
$0348	$5D63	SUBWF	_SD_Send_Command_local_result,W, 1
$034A	$E002	BZ	L_SD_Init_25
$034C	$EF96	F001	GOTO 	loop1
$0350	$	L_SD_Init_25:
$0350	$0102	MOVLB	2
$0352	$6B5D	CLRF 	SD_Read_Sector_No_Offset_argh0_1, 1
$0354	$6B5E	CLRF 	SD_Read_Sector_No_Offset_argh0_2, 1
$0356	$6B5F	CLRF 	SD_Read_Sector_No_Offset_argh0_3, 1
$0358	$6B60	CLRF 	SD_Read_Sector_No_Offset_argh0_4, 1
$035A	$5145	MOVF 	SD_Init_argh0_1,W, 1
$035C	$6F61	MOVWF 	SD_Read_Sector_No_Offset_argh1_1, 1
$035E	$5146	MOVF 	SD_Init_argh0_2,W, 1
$0360	$6F62	MOVWF 	SD_Read_Sector_No_Offset_argh1_2, 1
$0362	$ECDC	F000	CALL	_SD_Read_Sector_No_Offset
$0366	$0102	MOVLB	2
$0368	$5145	MOVF	SD_Init_argh0_1,W, 1
$036A	$0FC6	ADDLW	198
$036C	$6E00	MOVWF	STACK_0, 0
$036E	$0E01	MOVLW	1
$0370	$2146	ADDWFC	SD_Init_argh0_2,W, 1
$0372	$6E01	MOVWF	STACK_1, 0
$0374	$5000	MOVF 	STACK_0,W, 0
$0376	$6EE9	MOVWF 	FSR0L, 0
$0378	$5001	MOVF 	STACK_1,W, 0
$037A	$6EEA	MOVWF 	FSR0H, 0
$037C	$50EF	MOVF 	INDF0,W, 0
$037E	$6E1C	MOVWF 	_zero_sector_offset, 0
$0380	$0E01	MOVLW	1
$0382	$6F43	MOVWF 	_SD_Init_local_result, 1
$0384	$0012	RETURN 
$0386	$	Error:
$0386	$0102	MOVLB	2
$0388	$6B43	CLRF 	_SD_Init_local_result, 1
$038A	$0012	RETURN 
$038C	$	_SD_Read_CID:
$038C	$0102	MOVLB	2
$038E	$6B48	CLRF 	SD_Read_CID_i_L0, 1
$0390	$	L_SD_Read_CID_46:
$0390	$0E10	MOVLW	16
$0392	$0102	MOVLB	2
$0394	$5D48	SUBWF	SD_Read_CID_i_L0,W, 1
$0396	$E214	BC	L_SD_Read_CID_47
$0398	$0E01	MOVLW	1
$039A	$0348	MULWF	SD_Read_CID_i_L0, 1
$039C	$50F3	MOVF	PRODL,W, 0
$039E	$6E02	MOVWF	STACK_2, 0
$03A0	$50F4	MOVF	PRODH,W, 0
$03A2	$6E03	MOVWF	STACK_3, 0
$03A4	$5002	MOVF	STACK_2,W, 0
$03A6	$2549	ADDWF	SD_Read_CID_argh0_1,W, 1
$03A8	$6E00	MOVWF	STACK_0, 0
$03AA	$514A	MOVF	SD_Read_CID_argh0_2,W, 1
$03AC	$2003	ADDWFC	STACK_3,W, 0
$03AE	$6E01	MOVWF	STACK_1, 0
$03B0	$5000	MOVF 	STACK_0,W, 0
$03B2	$6EE9	MOVWF 	FSR0L, 0
$03B4	$5001	MOVF 	STACK_1,W, 0
$03B6	$6EEA	MOVWF 	FSR0H, 0
$03B8	$6AEF	CLRF 	INDF0, 0
$03BA	$	L_SD_Read_CID_48:
$03BA	$0102	MOVLB	2
$03BC	$2B48	INCF	SD_Read_CID_i_L0,F, 1
$03BE	$D7E8	BRA	L_SD_Read_CID_46
$03C0	$	L_SD_Read_CID_47:
$03C0	$0E0A	MOVLW	10
$03C2	$0102	MOVLB	2
$03C4	$6F67	MOVWF 	SD_Send_Command_argh0, 1
$03C6	$6B68	CLRF 	SD_Send_Command_argh1_1, 1
$03C8	$6B69	CLRF 	SD_Send_Command_argh1_2, 1
$03CA	$6B6A	CLRF 	SD_Send_Command_argh1_3, 1
$03CC	$6B6B	CLRF 	SD_Send_Command_argh1_4, 1
$03CE	$0EFF	MOVLW	255
$03D0	$6F6C	MOVWF 	SD_Send_Command_argh2, 1
$03D2	$EC1D	F000	CALL	_SD_Send_Command
$03D6	$6A00	CLRF 	STACK_0, 0
$03D8	$5000	MOVF	STACK_0,W, 0
$03DA	$0102	MOVLB	2
$03DC	$5D63	SUBWF	_SD_Send_Command_local_result,W, 1
$03DE	$E003	BZ	L_SD_Read_CID_49
$03E0	$0E01	MOVLW	1
$03E2	$6F43	MOVWF 	_SD_Read_CID_local_result, 1
$03E4	$0012	RETURN 
$03E6	$	L_SD_Read_CID_49:
$03E6	$0102	MOVLB	2
$03E8	$6B48	CLRF 	SD_Read_CID_i_L0, 1
$03EA	$	L_SD_Read_CID_50:
$03EA	$0E10	MOVLW	16
$03EC	$0102	MOVLB	2
$03EE	$5D48	SUBWF	SD_Read_CID_i_L0,W, 1
$03F0	$E22A	BC	L_SD_Read_CID_51
$03F2	$0E01	MOVLW	1
$03F4	$0348	MULWF	SD_Read_CID_i_L0, 1
$03F6	$50F3	MOVF	PRODL,W, 0
$03F8	$6E02	MOVWF	STACK_2, 0
$03FA	$50F4	MOVF	PRODH,W, 0
$03FC	$6E03	MOVWF	STACK_3, 0
$03FE	$5002	MOVF	STACK_2,W, 0
$0400	$2549	ADDWF	SD_Read_CID_argh0_1,W, 1
$0402	$6E00	MOVWF	STACK_0, 0
$0404	$514A	MOVF	SD_Read_CID_argh0_2,W, 1
$0406	$2003	ADDWFC	STACK_3,W, 0
$0408	$6E01	MOVWF	STACK_1, 0
$040A	$0EFF	MOVLW	255
$040C	$6F6E	MOVWF 	SD_SPI_argh0, 1
$040E	$5000	MOVF	STACK_0,W, 0
$0410	$6F44	MOVWF	Mirror_SD_Read_CID_STACK_0, 1
$0412	$5001	MOVF	STACK_1,W, 0
$0414	$6F45	MOVWF	Mirror_SD_Read_CID_STACK_1, 1
$0416	$5002	MOVF	STACK_2,W, 0
$0418	$6F46	MOVWF	Mirror_SD_Read_CID_STACK_2, 1
$041A	$5003	MOVF	STACK_3,W, 0
$041C	$6F47	MOVWF	Mirror_SD_Read_CID_STACK_3, 1
$041E	$EC14	F000	CALL	_SD_SPI
$0422	$0102	MOVLB	2
$0424	$5144	MOVF	Mirror_SD_Read_CID_STACK_0,W, 1
$0426	$6E00	MOVWF	STACK_0, 0
$0428	$5145	MOVF	Mirror_SD_Read_CID_STACK_1,W, 1
$042A	$6E01	MOVWF	STACK_1, 0
$042C	$5146	MOVF	Mirror_SD_Read_CID_STACK_2,W, 1
$042E	$6E02	MOVWF	STACK_2, 0
$0430	$5147	MOVF	Mirror_SD_Read_CID_STACK_3,W, 1
$0432	$6E03	MOVWF	STACK_3, 0
$0434	$5000	MOVF 	STACK_0,W, 0
$0436	$6EE9	MOVWF 	FSR0L, 0
$0438	$5001	MOVF 	STACK_1,W, 0
$043A	$6EEA	MOVWF 	FSR0H, 0
$043C	$516D	MOVF 	_SD_SPI_local_result,W, 1
$043E	$6EEF	MOVWF 	INDF0, 0
$0440	$	L_SD_Read_CID_52:
$0440	$0102	MOVLB	2
$0442	$2B48	INCF	SD_Read_CID_i_L0,F, 1
$0444	$D7D2	BRA	L_SD_Read_CID_50
$0446	$	L_SD_Read_CID_51:
$0446	$0102	MOVLB	2
$0448	$6B43	CLRF 	_SD_Read_CID_local_result, 1
$044A	$0012	RETURN 
$044C	$	_printhex:
$044C	$0EF0	MOVLW	240
$044E	$0102	MOVLB	2
$0450	$1545	ANDWF 	printhex_argh0,W, 1
$0452	$6F43	MOVWF	printhex_hi_L0, 1
$0454	$5143	MOVF 	printhex_hi_L0,W, 1
$0456	$6F43	MOVWF 	printhex_hi_L0, 1
$0458	$94D8	BCF	STATUS,Z, 0
$045A	$0E04	MOVLW	4
$045C	$	L_printhex_0:
$045C	$E005	BZ 	L_printhex_1
$045E	$0102	MOVLB	2
$0460	$3343	RRCF 	printhex_hi_L0,F, 1
$0462	$9F43	BCF 	printhex_hi_L0,7, 1
$0464	$0FFF	ADDLW 	255
$0466	$D7FA	BRA	L_printhex_0
$0468	$	L_printhex_1:
$0468	$0E30	MOVLW	48
$046A	$0102	MOVLB	2
$046C	$2543	ADDWF	printhex_hi_L0,W, 1
$046E	$6F43	MOVWF 	printhex_hi_L0, 1
$0470	$0E39	MOVLW	57
$0472	$6E00	MOVWF 	STACK_0, 0
$0474	$5143	MOVF	printhex_hi_L0,W, 1
$0476	$5C00	SUBWF	STACK_0,W, 0
$0478	$E203	BC	L_printhex_2
$047A	$0E07	MOVLW	7
$047C	$2543	ADDWF	printhex_hi_L0,W, 1
$047E	$6F43	MOVWF 	printhex_hi_L0, 1
$0480	$	L_printhex_2:
$0480	$0E0F	MOVLW	15
$0482	$0102	MOVLB	2
$0484	$1545	ANDWF 	printhex_argh0,W, 1
$0486	$6E00	MOVWF	STACK_0, 0
$0488	$0E30	MOVLW	48
$048A	$2600	ADDWF 	STACK_0,F, 0
$048C	$5000	MOVF 	STACK_0,W, 0
$048E	$6F44	MOVWF 	printhex_lo_L0, 1
$0490	$0E39	MOVLW	57
$0492	$6E00	MOVWF 	STACK_0, 0
$0494	$5144	MOVF	printhex_lo_L0,W, 1
$0496	$5C00	SUBWF	STACK_0,W, 0
$0498	$E203	BC	L_printhex_3
$049A	$0E07	MOVLW	7
$049C	$2544	ADDWF	printhex_lo_L0,W, 1
$049E	$6F44	MOVWF 	printhex_lo_L0, 1
$04A0	$	L_printhex_3:
$04A0	$0102	MOVLB	2
$04A2	$5143	MOVF 	printhex_hi_L0,W, 1
$04A4	$6F53	MOVWF 	Usart_Write_argh0, 1
$04A6	$EC50	F001	CALL	_Usart_Write
$04AA	$0102	MOVLB	2
$04AC	$5144	MOVF 	printhex_lo_L0,W, 1
$04AE	$6F53	MOVWF 	Usart_Write_argh0, 1
$04B0	$EC50	F001	CALL	_Usart_Write
$04B4	$0012	RETURN
$04B6	$	_SD_Read_CSD:
$04B6	$0102	MOVLB	2
$04B8	$6B48	CLRF 	SD_Read_CSD_i_L0, 1
$04BA	$	L_SD_Read_CSD_53:
$04BA	$0E10	MOVLW	16
$04BC	$0102	MOVLB	2
$04BE	$5D48	SUBWF	SD_Read_CSD_i_L0,W, 1
$04C0	$E214	BC	L_SD_Read_CSD_54
$04C2	$0E01	MOVLW	1
$04C4	$0348	MULWF	SD_Read_CSD_i_L0, 1
$04C6	$50F3	MOVF	PRODL,W, 0
$04C8	$6E02	MOVWF	STACK_2, 0
$04CA	$50F4	MOVF	PRODH,W, 0
$04CC	$6E03	MOVWF	STACK_3, 0
$04CE	$5002	MOVF	STACK_2,W, 0
$04D0	$2549	ADDWF	SD_Read_CSD_argh0_1,W, 1
$04D2	$6E00	MOVWF	STACK_0, 0
$04D4	$514A	MOVF	SD_Read_CSD_argh0_2,W, 1
$04D6	$2003	ADDWFC	STACK_3,W, 0
$04D8	$6E01	MOVWF	STACK_1, 0
$04DA	$5000	MOVF 	STACK_0,W, 0
$04DC	$6EE9	MOVWF 	FSR0L, 0
$04DE	$5001	MOVF 	STACK_1,W, 0
$04E0	$6EEA	MOVWF 	FSR0H, 0
$04E2	$6AEF	CLRF 	INDF0, 0
$04E4	$	L_SD_Read_CSD_55:
$04E4	$0102	MOVLB	2
$04E6	$2B48	INCF	SD_Read_CSD_i_L0,F, 1
$04E8	$D7E8	BRA	L_SD_Read_CSD_53
$04EA	$	L_SD_Read_CSD_54:
$04EA	$0E09	MOVLW	9
$04EC	$0102	MOVLB	2
$04EE	$6F67	MOVWF 	SD_Send_Command_argh0, 1
$04F0	$6B68	CLRF 	SD_Send_Command_argh1_1, 1
$04F2	$6B69	CLRF 	SD_Send_Command_argh1_2, 1
$04F4	$6B6A	CLRF 	SD_Send_Command_argh1_3, 1
$04F6	$6B6B	CLRF 	SD_Send_Command_argh1_4, 1
$04F8	$0EFF	MOVLW	255
$04FA	$6F6C	MOVWF 	SD_Send_Command_argh2, 1
$04FC	$EC1D	F000	CALL	_SD_Send_Command
$0500	$6A00	CLRF 	STACK_0, 0
$0502	$5000	MOVF	STACK_0,W, 0
$0504	$0102	MOVLB	2
$0506	$5D63	SUBWF	_SD_Send_Command_local_result,W, 1
$0508	$E003	BZ	L_SD_Read_CSD_56
$050A	$0E01	MOVLW	1
$050C	$6F43	MOVWF 	_SD_Read_CSD_local_result, 1
$050E	$0012	RETURN 
$0510	$	L_SD_Read_CSD_56:
$0510	$0102	MOVLB	2
$0512	$6B48	CLRF 	SD_Read_CSD_i_L0, 1
$0514	$	L_SD_Read_CSD_57:
$0514	$0E10	MOVLW	16
$0516	$0102	MOVLB	2
$0518	$5D48	SUBWF	SD_Read_CSD_i_L0,W, 1
$051A	$E22A	BC	L_SD_Read_CSD_58
$051C	$0E01	MOVLW	1
$051E	$0348	MULWF	SD_Read_CSD_i_L0, 1
$0520	$50F3	MOVF	PRODL,W, 0
$0522	$6E02	MOVWF	STACK_2, 0
$0524	$50F4	MOVF	PRODH,W, 0
$0526	$6E03	MOVWF	STACK_3, 0
$0528	$5002	MOVF	STACK_2,W, 0
$052A	$2549	ADDWF	SD_Read_CSD_argh0_1,W, 1
$052C	$6E00	MOVWF	STACK_0, 0
$052E	$514A	MOVF	SD_Read_CSD_argh0_2,W, 1
$0530	$2003	ADDWFC	STACK_3,W, 0
$0532	$6E01	MOVWF	STACK_1, 0
$0534	$0EFF	MOVLW	255
$0536	$6F6E	MOVWF 	SD_SPI_argh0, 1
$0538	$5000	MOVF	STACK_0,W, 0
$053A	$6F44	MOVWF	Mirror_SD_Read_CSD_STACK_0, 1
$053C	$5001	MOVF	STACK_1,W, 0
$053E	$6F45	MOVWF	Mirror_SD_Read_CSD_STACK_1, 1
$0540	$5002	MOVF	STACK_2,W, 0
$0542	$6F46	MOVWF	Mirror_SD_Read_CSD_STACK_2, 1
$0544	$5003	MOVF	STACK_3,W, 0
$0546	$6F47	MOVWF	Mirror_SD_Read_CSD_STACK_3, 1
$0548	$EC14	F000	CALL	_SD_SPI
$054C	$0102	MOVLB	2
$054E	$5144	MOVF	Mirror_SD_Read_CSD_STACK_0,W, 1
$0550	$6E00	MOVWF	STACK_0, 0
$0552	$5145	MOVF	Mirror_SD_Read_CSD_STACK_1,W, 1
$0554	$6E01	MOVWF	STACK_1, 0
$0556	$5146	MOVF	Mirror_SD_Read_CSD_STACK_2,W, 1
$0558	$6E02	MOVWF	STACK_2, 0
$055A	$5147	MOVF	Mirror_SD_Read_CSD_STACK_3,W, 1
$055C	$6E03	MOVWF	STACK_3, 0
$055E	$5000	MOVF 	STACK_0,W, 0
$0560	$6EE9	MOVWF 	FSR0L, 0
$0562	$5001	MOVF 	STACK_1,W, 0
$0564	$6EEA	MOVWF 	FSR0H, 0
$0566	$516D	MOVF 	_SD_SPI_local_result,W, 1
$0568	$6EEF	MOVWF 	INDF0, 0
$056A	$	L_SD_Read_CSD_59:
$056A	$0102	MOVLB	2
$056C	$2B48	INCF	SD_Read_CSD_i_L0,F, 1
$056E	$D7D2	BRA	L_SD_Read_CSD_57
$0570	$	L_SD_Read_CSD_58:
$0570	$0102	MOVLB	2
$0572	$6B43	CLRF 	_SD_Read_CSD_local_result, 1
$0574	$0012	RETURN 
$0576	$	_Usart_Data_Ready:
$0576	$6A00	CLRF	STACK_0, 0
$0578	$BA9E	BTFSC	PIR1,5, 0
$057A	$2A00	INCF	STACK_0,F, 0
$057C	$5000	MOVF 	STACK_0,W, 0
$057E	$0102	MOVLB	2
$0580	$6F43	MOVWF 	_Usart_Data_Ready_local_result, 1
$0582	$0012	RETURN 
$0584	$	_Usart_Read:
$0584	$50AE	MOVF 	RCREG,W, 0
$0586	$0102	MOVLB	2
$0588	$6F44	MOVWF 	Usart_Read_tmp_L0, 1
$058A	$6A00	CLRF 	STACK_0, 0
$058C	$6A01	CLRF	STACK_1, 0
$058E	$B2AB	BTFSC	RCSTA,1, 0
$0590	$2A01	INCF	STACK_1,F, 0
$0592	$5001	MOVF	STACK_1,W, 0
$0594	$5C00	SUBWF	STACK_0,W, 0
$0596	$E002	BZ	L_Usart_Read_2
$0598	$98AB	BCF	RCSTA,4, 0
$059A	$88AB	BSF	RCSTA,4, 0
$059C	$	L_Usart_Read_2:
$059C	$0102	MOVLB	2
$059E	$5144	MOVF 	Usart_Read_tmp_L0,W, 1
$05A0	$6F43	MOVWF 	_Usart_Read_local_result, 1
$05A2	$0012	RETURN 
$05A4	$	_SD_Read_Sector:
$05A4	$0102	MOVLB	2
$05A6	$514D	MOVF	SD_Read_Sector_argh0_1,W, 1
$05A8	$241C	ADDWF	_zero_sector_offset,W, 0
$05AA	$6E00	MOVWF	STACK_0, 0
$05AC	$514E	MOVF	SD_Read_Sector_argh0_2,W, 1
$05AE	$6E01	MOVWF	STACK_1, 0
$05B0	$0E00	MOVLW	0
$05B2	$2201	ADDWFC	STACK_1,F, 0
$05B4	$514F	MOVF	SD_Read_Sector_argh0_3,W, 1
$05B6	$6E02	MOVWF	STACK_2, 0
$05B8	$0E00	MOVLW	0
$05BA	$2202	ADDWFC	STACK_2,F, 0
$05BC	$5150	MOVF	SD_Read_Sector_argh0_4,W, 1
$05BE	$6E03	MOVWF	STACK_3, 0
$05C0	$0E00	MOVLW	0
$05C2	$2202	ADDWFC	STACK_2,F, 0
$05C4	$94D8	BCF	STATUS,Z, 0
$05C6	$0E09	MOVLW	9
$05C8	$	L_SD_Read_Sector_26:
$05C8	$E007	BZ 	L_SD_Read_Sector_27
$05CA	$3600	RLCF 	STACK_0,F, 0
$05CC	$3601	RLCF 	STACK_1,F, 0
$05CE	$3602	RLCF 	STACK_2,F, 0
$05D0	$3603	RLCF 	STACK_3,F, 0
$05D2	$9000	BCF 	STACK_0,0, 0
$05D4	$0FFF	ADDLW 	255
$05D6	$D7F8	BRA	L_SD_Read_Sector_26
$05D8	$	L_SD_Read_Sector_27:
$05D8	$5000	MOVF 	STACK_0,W, 0
$05DA	$0102	MOVLB	2
$05DC	$6F48	MOVWF 	SD_Read_Sector_byte_start_L0_1, 1
$05DE	$5001	MOVF 	STACK_1,W, 0
$05E0	$6F49	MOVWF 	SD_Read_Sector_byte_start_L0_2, 1
$05E2	$5002	MOVF 	STACK_2,W, 0
$05E4	$6F4A	MOVWF 	SD_Read_Sector_byte_start_L0_3, 1
$05E6	$5003	MOVF 	STACK_3,W, 0
$05E8	$6F4B	MOVWF 	SD_Read_Sector_byte_start_L0_4, 1
$05EA	$0E11	MOVLW	17
$05EC	$6F67	MOVWF 	SD_Send_Command_argh0, 1
$05EE	$5148	MOVF 	SD_Read_Sector_byte_start_L0_1,W, 1
$05F0	$6F68	MOVWF 	SD_Send_Command_argh1_1, 1
$05F2	$5149	MOVF 	SD_Read_Sector_byte_start_L0_2,W, 1
$05F4	$6F69	MOVWF 	SD_Send_Command_argh1_2, 1
$05F6	$514A	MOVF 	SD_Read_Sector_byte_start_L0_3,W, 1
$05F8	$6F6A	MOVWF 	SD_Send_Command_argh1_3, 1
$05FA	$514B	MOVF 	SD_Read_Sector_byte_start_L0_4,W, 1
$05FC	$6F6B	MOVWF 	SD_Send_Command_argh1_4, 1
$05FE	$0EFF	MOVLW	255