mirror of
https://github.com/cc65/cc65.git
synced 2024-09-07 09:54:35 +00:00
201 lines
3.6 KiB
ArmAsm
201 lines
3.6 KiB
ArmAsm
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.export _ch376_set_file_name
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.export _ch376_file_open
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.export _ch376_ic_get_version
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.export _ch376_reset
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.export _ch376_check_exist
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.export _ch376_disk_mount
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.import popax
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.importzp sp,tmp2,tmp3,tmp1
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.include "telemon30.inc"
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; CODE FOR CH376_SET_USB_MODE *************************************************
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CH376_SET_USB_MODE_CODE_USB_HOST_SOF_PACKAGE_AUTOMATICALLY := $06
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CH376_USB_INT_DISK_READ := $1d
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CH376_USB_INT_SUCCESS := $14
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CH376_ERR_MISS_FILE := $42
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CH376_DATA :=$340
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CH376_COMMAND :=$341
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CH376_GET_IC_VER := $01
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CH376_SET_BAUDRATE := $02
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CH376_GET_ENTER_SLEEP := $03
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CH376_RESET_ALL := $05
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CH376_CHECK_EXIST := $06
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CH376_GET_FILE_SIZE := $0C
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CH376_SET_USB_MODE := $15
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CH376_GET_STATUS := $22
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CH376_RD_USB_DATA0 := $27
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CH376_SET_FILE_NAME := $2f
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CH376_DISK_CONNECT := $30 ; check the disk connection status
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CH376_DISK_MOUNT := $31
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CH376_FILE_OPEN := $32
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CH376_FILE_ENUM_GO := $33
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CH376_FILE_CLOSE := $36
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CH376_BYTE_READ := $3A
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CH376_BYTE_RD_GO := $3b
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CH376_BYTE_WRITE := $3C
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CH376_DISK_CAPACITY := $3E
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CH376_DISK_RD_GO := $55
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; void ch376_set_file_name(char *filename)
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.proc _ch376_set_file_name
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sta tmp1
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stx tmp1+1
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lda #CH376_SET_FILE_NAME ;$2f
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sta CH376_COMMAND
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ldy #0
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loop:
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lda (tmp1),y ; replace by bufnom
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beq end ; we reached 0 value
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sta CH376_DATA
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iny
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cpy #13 ; because we don't manage longfilename shortname =11
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bne loop
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end:
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sta CH376_DATA
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rts
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.endproc
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; void _ch376_file_open();
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.proc _ch376_file_open
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lda #CH376_FILE_OPEN ; $32
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sta CH376_COMMAND
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jsr _ch376_wait_response
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rts
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.endproc
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;CMD_GET_FILE_SIZE
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.proc _ch376_get_file_size
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lda #CH376_GET_FILE_SIZE
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sta CH376_COMMAND
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lda #$68
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sta CH376_DATA
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; store file leng
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lda CH376_DATA
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sta tmp1
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lda CH376_DATA
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sta tmp1+1
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lda CH376_DATA
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sta tmp2
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lda CH376_DATA
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sta tmp2+1
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rts
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.endproc
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; void ch376_reset();
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.proc _ch376_reset
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lda #CH376_RESET_ALL ; 5
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sta CH376_COMMAND
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; waiting
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ldy #0
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ldx #0
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loop:
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nop
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inx
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bne loop
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iny
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bne loop
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rts
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.endproc
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; char ch376_check_exist(char value);
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.proc _ch376_check_exist
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sta tmp1
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lda #CH376_CHECK_EXIST ;
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sta CH376_COMMAND
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lda tmp1
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sta CH376_DATA
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lda CH376_DATA
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rts
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.endproc
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; char ch376_ic_get_version(void)
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.proc _ch376_ic_get_version
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lda #CH376_GET_IC_VER
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sta CH376_COMMAND
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lda CH376_DATA
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rts
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.endproc
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; void ch376_set_usb_mode(char mode)
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.proc _ch376_set_usb_mode
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; CH376_SET_USB_MODE_CODE_USB_HOST_SOF_PACKAGE_AUTOMATICALLY
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sta tmp1
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lda #CH376_SET_USB_MODE ; $15
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sta CH376_COMMAND
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lda tmp1
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sta CH376_DATA
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rts
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.endproc
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; void ch376_set_bytes_write(int value);
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.proc _ch376_set_bytes_write
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sta tmp1
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stx tmp1+1
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ldx #CH376_BYTE_WRITE
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stx CH376_COMMAND
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lda tmp1
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sta CH376_DATA
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lda tmp1+1
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sta CH376_DATA
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jsr _ch376_wait_response
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rts
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.endproc
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.proc _ch376_set_bytes_read
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ldx #CH376_BYTE_READ
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stx CH376_COMMAND
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sta CH376_DATA
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sty CH376_DATA
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jsr _ch376_wait_response
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rts
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.endproc
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; char ch376_disk_mount();
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.proc _ch376_disk_mount
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lda #CH376_DISK_MOUNT ; $31
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sta CH376_COMMAND
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jsr _ch376_wait_response
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; if we read data value, we have then length of the volume name
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rts
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.endproc
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; char ch376_wait_response();
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.proc _ch376_wait_response
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; 1 return 1 if usb controller does not respond
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; else A contains answer of the controller
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ldy #$ff
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loop3:
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ldx #$ff ; merci de laisser une valeur importante car parfois en mode non debug, le controleur ne r<EFBFBD>pond pas tout de suite
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loop:
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lda CH376_COMMAND
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and #%10000000
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cmp #128
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bne no_error
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dex
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bne loop
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dey
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bne loop3
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; error is here
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rts
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no_error:
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lda #CH376_GET_STATUS
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sta CH376_COMMAND
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lda CH376_DATA
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rts
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.endproc
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