mirror of
https://github.com/cc65/cc65.git
synced 2024-09-14 12:54:57 +00:00
345 lines
7.4 KiB
ArmAsm
345 lines
7.4 KiB
ArmAsm
|
|
||
|
; jede jede@oric.org 2017-01-22
|
||
|
|
||
|
; For XA65 compatibily in the future
|
||
|
.FEATURE c_comments,labels_without_colons,pc_assignment, loose_char_term
|
||
|
.export _ch376_set_file_name
|
||
|
.export _ch376_file_open
|
||
|
.export _ch376_ic_get_version
|
||
|
.export _ch376_reset
|
||
|
.export _ch376_check_exist
|
||
|
.export _ch376_disk_mount
|
||
|
.export _ch376_set_usb_mode
|
||
|
.export _ch376_file_close
|
||
|
.export _ch376_seek_file
|
||
|
.export _ch376_file_create
|
||
|
.export _ch376_fwrite
|
||
|
|
||
|
.import popax
|
||
|
.include "zeropage.inc"
|
||
|
.include "telestrat.inc"
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
CH376_SET_USB_MODE_CODE_USB_HOST_SOF_PACKAGE_AUTOMATICALLY = $06
|
||
|
|
||
|
CH376_USB_INT_SUCCESS = $14
|
||
|
CH376_USB_INT_CONNECT = $15
|
||
|
CH376_USB_INT_DISCONNECT = $16
|
||
|
CH376_USB_INT_BUF_OVER = $17
|
||
|
CH376_USB_INT_USB_READY = $18
|
||
|
CH376_USB_INT_DISK_READ = $1D
|
||
|
CH376_USB_INT_DISK_WRITE = $1E
|
||
|
CH376_USB_INT_DISK_ERR = $1F
|
||
|
|
||
|
|
||
|
CH376_ERR_OPEN_DIR = $41
|
||
|
CH376_ERR_MISS_FILE = $42
|
||
|
CH376_ERR_FOUND_NAME = $43
|
||
|
CH376_ERR_DISK_DISCON = $82
|
||
|
CH376_ERR_LARGE_SECTOR = $84
|
||
|
CH376_ERR_TYPE_ERROR = $92
|
||
|
CH376_ERR_BPB_ERROR = $A1
|
||
|
CH376_ERR_DISK_FULL = $B1
|
||
|
CH376_ERR_FDT_OVER = $B2
|
||
|
CH376_ERR_FILE_CLOSE = $B4
|
||
|
|
||
|
CH376_GET_IC_VER = $01
|
||
|
CH376_SET_BAUDRATE = $02
|
||
|
CH376_GET_ENTER_SLEEP = $03
|
||
|
CH376_RESET_ALL = $05
|
||
|
CH376_CHECK_EXIST = $06
|
||
|
CH376_GET_FILE_SIZE = $0C
|
||
|
|
||
|
CH376_SET_USB_MODE = $15
|
||
|
CH376_GET_STATUS = $22
|
||
|
CH376_RD_USB_DATA0 = $27
|
||
|
CH376_CMD_WR_REQ_DATA = $2D
|
||
|
CH376_SET_FILE_NAME = $2F
|
||
|
|
||
|
CH376_DISK_CONNECT = $30 ; check the disk connection status
|
||
|
CH376_DISK_MOUNT = $31
|
||
|
CH376_FILE_OPEN = $32
|
||
|
CH376_FILE_ENUM_GO = $33
|
||
|
CH376_FILE_CREATE = $34
|
||
|
CH376_FILE_CLOSE = $36
|
||
|
CH376_BYTE_LOCATE = $39
|
||
|
CH376_BYTE_READ = $3A
|
||
|
CH376_BYTE_RD_GO = $3B
|
||
|
CH376_BYTE_WRITE = $3C
|
||
|
CH376_BYTE_WR_GO = $3D
|
||
|
CH376_DISK_CAPACITY = $3E
|
||
|
CH376_DISK_RD_GO = $55
|
||
|
|
||
|
.proc _ch376_file_close
|
||
|
lda #CH376_FILE_CLOSE
|
||
|
sta CH376_COMMAND
|
||
|
jsr _ch376_wait_response
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
.proc _ch376_seek_file
|
||
|
ldx #CH376_BYTE_LOCATE
|
||
|
stx CH376_COMMAND
|
||
|
sta CH376_DATA
|
||
|
sty CH376_DATA
|
||
|
lda #$00 ; Don't manage 32 bits length
|
||
|
sta CH376_DATA
|
||
|
sta CH376_DATA
|
||
|
jsr _ch376_wait_response
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
; void ch376_set_file_name(char *filename)
|
||
|
.proc _ch376_set_file_name
|
||
|
sta ptr1
|
||
|
stx ptr1+1
|
||
|
lda #CH376_SET_FILE_NAME ;$2f
|
||
|
sta CH376_COMMAND
|
||
|
ldy #0
|
||
|
loop:
|
||
|
lda (ptr1),y ; replace by bufnom
|
||
|
beq end ; we reached 0 value
|
||
|
BRK_TELEMON XMINMA
|
||
|
sta CH376_DATA
|
||
|
iny
|
||
|
cpy #13 ; because we don't manage longfilename shortname =11
|
||
|
bne loop
|
||
|
end:
|
||
|
sta CH376_DATA
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
; char _ch376_file_open();
|
||
|
.proc _ch376_file_open
|
||
|
lda #CH376_FILE_OPEN ; $32
|
||
|
sta CH376_COMMAND
|
||
|
jsr _ch376_wait_response
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
.proc _ch376_get_file_size
|
||
|
lda #CH376_GET_FILE_SIZE
|
||
|
sta CH376_COMMAND
|
||
|
lda #$68
|
||
|
sta CH376_DATA
|
||
|
; store file length 32 bits
|
||
|
lda CH376_DATA
|
||
|
sta tmp1
|
||
|
lda CH376_DATA
|
||
|
sta tmp1+1
|
||
|
lda CH376_DATA
|
||
|
sta tmp2
|
||
|
lda CH376_DATA
|
||
|
sta tmp2+1
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
; void ch376_reset();
|
||
|
.proc _ch376_reset
|
||
|
lda #CH376_RESET_ALL ; 5
|
||
|
sta CH376_COMMAND
|
||
|
; waiting
|
||
|
ldy #0
|
||
|
ldx #0
|
||
|
loop:
|
||
|
nop
|
||
|
inx
|
||
|
bne loop
|
||
|
iny
|
||
|
bne loop
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
; char ch376_check_exist(char value);
|
||
|
|
||
|
.proc _ch376_check_exist
|
||
|
sta tmp1
|
||
|
lda #CH376_CHECK_EXIST ;
|
||
|
sta CH376_COMMAND
|
||
|
lda tmp1
|
||
|
sta CH376_DATA
|
||
|
lda CH376_DATA
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
; char ch376_ic_get_version(void)
|
||
|
.proc _ch376_ic_get_version
|
||
|
lda #CH376_GET_IC_VER
|
||
|
sta CH376_COMMAND
|
||
|
ldx #0
|
||
|
lda CH376_DATA
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
; void ch376_set_usb_mode(char mode)
|
||
|
.proc _ch376_set_usb_mode
|
||
|
ldx #CH376_SET_USB_MODE ; $15
|
||
|
stx CH376_COMMAND
|
||
|
sta CH376_DATA
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
; void ch376_set_bytes_write(int value);
|
||
|
.proc _ch376_set_bytes_write
|
||
|
ldy #CH376_BYTE_WRITE
|
||
|
sty CH376_COMMAND
|
||
|
sta CH376_DATA
|
||
|
stx CH376_DATA
|
||
|
lda #0
|
||
|
sta CH376_DATA
|
||
|
sta CH376_DATA
|
||
|
jsr _ch376_wait_response
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
.proc _ch376_set_bytes_read
|
||
|
ldy #CH376_BYTE_READ
|
||
|
sty CH376_COMMAND
|
||
|
; Storing 32 bits value
|
||
|
sta CH376_DATA
|
||
|
stx CH376_DATA
|
||
|
lda #0
|
||
|
sta CH376_DATA
|
||
|
sta CH376_DATA
|
||
|
jsr _ch376_wait_response
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
; char ch376_disk_mount();
|
||
|
.proc _ch376_disk_mount
|
||
|
lda #CH376_DISK_MOUNT ; $31
|
||
|
sta CH376_COMMAND
|
||
|
jsr _ch376_wait_response
|
||
|
; if we read data value, we have then length of the volume name
|
||
|
ldx #0
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
|
||
|
; char ch376_wait_response();
|
||
|
.proc _ch376_wait_response
|
||
|
; return 1 if usb controller does not respond
|
||
|
; else A contains answer of the controller
|
||
|
ldy #$FF ; We have to wait 35 ms, but well, this loop is broken when controler is OK
|
||
|
loop3:
|
||
|
ldx #$FF ; don't decrease this counter. Because ch376 won't respond if there is a lower value
|
||
|
loop:
|
||
|
lda CH376_COMMAND
|
||
|
and #%10000000
|
||
|
cmp #128
|
||
|
bne no_error
|
||
|
dex
|
||
|
bne loop
|
||
|
dey
|
||
|
bne loop3
|
||
|
; error is here
|
||
|
rts
|
||
|
no_error:
|
||
|
lda #CH376_GET_STATUS
|
||
|
sta CH376_COMMAND
|
||
|
lda CH376_DATA
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
.proc _ch376_fread
|
||
|
; use ptr1 to count bytes
|
||
|
jsr _ch376_set_bytes_read
|
||
|
continue:
|
||
|
cmp #CH376_USB_INT_DISK_READ ; something to read
|
||
|
beq we_read
|
||
|
cmp #CH376_USB_INT_SUCCESS ; finished
|
||
|
beq finished
|
||
|
; TODO in A : $ff X: $ff
|
||
|
lda #0
|
||
|
tax
|
||
|
rts
|
||
|
we_read:
|
||
|
lda #CH376_RD_USB_DATA0
|
||
|
sta CH376_COMMAND
|
||
|
|
||
|
lda CH376_DATA ; contains length read
|
||
|
sta tmp2; Number of bytes to read
|
||
|
|
||
|
ldy #0
|
||
|
loop:
|
||
|
lda CH376_DATA ; read the data
|
||
|
sta (PTR_READ_DEST),y
|
||
|
iny
|
||
|
cpy tmp2
|
||
|
bne loop
|
||
|
tya
|
||
|
clc
|
||
|
adc PTR_READ_DEST
|
||
|
bcc next
|
||
|
inc PTR_READ_DEST+1
|
||
|
next:
|
||
|
sta PTR_READ_DEST
|
||
|
|
||
|
lda #CH376_BYTE_RD_GO
|
||
|
sta CH376_COMMAND
|
||
|
jsr _ch376_wait_response
|
||
|
jmp continue
|
||
|
finished:
|
||
|
; TODO return bytes read
|
||
|
lda tmp1
|
||
|
ldx tmp1+1
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
; void _ch376_fwrite(void *ptr,int number)
|
||
|
.proc _ch376_fwrite
|
||
|
; use ptr1 to count bytes
|
||
|
sta ptr2
|
||
|
stx ptr2+1
|
||
|
|
||
|
jsr popax
|
||
|
sta PTR_READ_DEST
|
||
|
stx PTR_READ_DEST+1
|
||
|
|
||
|
lda ptr2
|
||
|
ldx ptr2+1
|
||
|
jsr _ch376_set_bytes_write
|
||
|
continue:
|
||
|
cmp #CH376_USB_INT_DISK_WRITE ; something to read
|
||
|
beq we_read
|
||
|
cmp #CH376_USB_INT_SUCCESS ; finished
|
||
|
beq finished
|
||
|
|
||
|
lda #0
|
||
|
tax
|
||
|
rts
|
||
|
we_read:
|
||
|
lda #CH376_CMD_WR_REQ_DATA
|
||
|
sta CH376_COMMAND
|
||
|
|
||
|
lda CH376_DATA ; contains length read
|
||
|
sta tmp2; Number of bytes to read
|
||
|
|
||
|
ldy #0
|
||
|
loop:
|
||
|
lda (PTR_READ_DEST),y
|
||
|
sta CH376_DATA ; read the data
|
||
|
dec tmp2
|
||
|
bne loop
|
||
|
|
||
|
|
||
|
lda #CH376_BYTE_WR_GO
|
||
|
sta CH376_COMMAND
|
||
|
jsr _ch376_wait_response
|
||
|
jmp continue
|
||
|
finished:
|
||
|
lda tmp1
|
||
|
ldx tmp1+1
|
||
|
rts
|
||
|
.endproc
|
||
|
|
||
|
.proc _ch376_file_create
|
||
|
lda #CH376_FILE_CREATE
|
||
|
sta CH376_COMMAND
|
||
|
jsr _ch376_wait_response
|
||
|
rts
|
||
|
.endproc
|