📄 ide.asm.bak
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;========= IDE test =================
;=========== time: 2008.08.20
;writed by vincent_wu
; ==== output strings
PRINTSTR MACRO X
LEA DX,X
MOV AH,09H
INT 21H
ENDM
.model small
.586
.stack 100
.data
no1 equ 512
no2 equ 256
pri_cntl equ 03f6h
sec_cntl equ 0376h
pri_dev equ 1f6h
pri_cmdsta equ 1f7h
sec_dev equ 176h
sec_cmdsta equ 177h
pri_data equ 1f0h
sec_data equ 170h
IdenData dw 256 dup(0)
FirSecData dw 256 dup(0)
;show the choose info
EnterS DB 10,13,'$'
ChooseMenu db 'press 1 to choose ATA or press 2 to choose ATAPI$'
serialinfo db 'Serial number: $'
Modelinfo db 'Model number: $'
secsize db 'Sector size: $'
info_ide db 'show the first sector of HD: $'
info_audio db 'begin to listen music ~~~~~~~~~~$'
error1 db 'No HD found!!!$'
error2 db 'No CD-ROM found!!!$'
memusting db 'choose: 1.ata, 2.atapi, 3.exit $'
reinput db 'your input is error, please input again!!!$'
space1 db '$'
.code
.startup
printstr memusting
printstr enters
input1: mov ah,07h
int 21h
cmp al,'1'
jz ata
cmp al,'2'
jz atapi
cmp al,'3'
jz exit3
printstr reinput
printstr enters
jmp input1
ata:
call checkIDE
;============ read first sector ==========================
call readfirstsector
call showfirstsector
;============== check the cd-rom ==================
jmp input1
atapi: call checkATAPI
jmp input1
exit3: nop
.exit
checkIDE proc far public
push dx
push ax
push si
push di
lea si,IdenData ;
lea di,FirSecData ;
pri_master: mov dx,pri_cntl ;
mov al,04h ;reset channel
out dx,al
out 0ebh,al
mov al,00h
out dx,al ;reset complete
mov dx,pri_dev
mov al,0a0h ;master
out dx,al
mov dx,pri_cmdsta
in al,dx
test al,40h ;test bit6 = 1
jz exit1
call storeidendata
call showiden
pop di
pop si
pop ax
pop dx
ret
exit1: printstr error1
printstr enters
pop di
pop si
pop ax
pop dx
ret
checkIDE endp
storeidendata proc far public
push cx
push bx
mov dx,pri_cmdsta
@@: in al,dx
test al,88h ;device busy and data req?
jnz @b
mov al,0ech
out dx,al ;identify cmd
@@: in al,dx
test al,08h ;data req?
jz @b
;start transfor data
mov cx,no2 ;256
mov dx,pri_data
mov bx,0
@@: in ax,dx
mov [si+bx],ax
add bx,2
loop @b
pop bx
pop cx
ret
storeidendata endp
readfirstsector proc far public
push bx
push cx
push di
lea di,firsecdata
mov bx,0
mov dx,pri_cntl ;
mov al,04h ;reset channel
out dx,al
out 0ebh,al
mov al,00h
out dx,al ;reset complete
mov dx,pri_dev
mov al,0a0h ;master
out dx,al
@@: mov dx,1f7h
in al,dx
cmp al,50h
jnz @b
mov dx,1f2h
mov al,1 ;READ 1 SECTOR
out dx,al
inc dx
mov al,0
out dx,al ;1f3
inc dx
out dx,al ;1f4
inc dx
out dx,al ;1f5
inc dx
mov al,0e0h
out dx,al ;1f6
inc dx
mov al,20h
out dx,al ;1f7
in al,dx ;ready
@@: mov dx,1f7h
in al,dx
cmp al,58h
jnz @b
;read data
mov cx,no2
mov dx,pri_data
@@: in ax,dx
mov [di+bx],ax
add bx,2
loop @b
pop di
pop cx
pop bx
ret
readfirstsector endp
showfirstsector proc far public
push si
push cx
printstr enters
printstr info_ide
printstr enters
lea si,FirSecData
mov cx,no2
@@: mov al,[si]
call show_al
inc si
mov al,[si]
call show_al
inc si
printstr space1
loop @b
printstr enters
pop cx
pop si
ret
showfirstsector endp
showiden proc far public
push bx
push cx
PRINTSTR serialinfo
mov cx,10
mov bx,20
@@: mov dl,[si+bx+1]
mov ah,2
int 21h
mov dl,[si+bx]
mov ah,2
int 21h
add bx,2
loop @b
PRINTSTR EnterS
PRINTSTR Modelinfo
mov cx,20
mov bx,54
@@: mov dl,[si+bx+1]
mov ah,2
int 21h
mov dl,[si+bx]
mov ah,2
int 21h
add bx,2
loop @b
PRINTSTR EnterS
PRINTSTR Secsize
mov al,[si+123]
call show_al
mov al,[si+122]
call show_al
mov al,[si+121]
call show_al
mov al,[si+120]
call show_al
PRINTSTR Enters
pop cx
pop bx
showiden endp
show_al proc far public
push ax
push dx
mov dh,al
and al,0f0h
shr al,4
add al,30h
cmp al,3ah
jb doing
add al,7
doing: mov dl,al
mov ah,2
int 21h
mov al,dh
and al,0fh
add al,30h
cmp al,3ah
jb doing1
add al,7
doing1: mov dl,al
mov ah,2
int 21h
pop dx
pop ax
ret
show_al endp
checkATAPI proc far public
mov dx,pri_cntl ;
mov al,04h ;reset channel
out dx,al
out 0ebh,al
mov al,00h
out dx,al ;reset complete
mov dx,pri_dev
mov al,0b0h ;slave for cd - rom
out dx,al
mov dx,1f5h
in al,dx
cmp al,0ebh
jnz exit2
mov dx,1f4h
in al,dx
cmp al,14h
jnz exit2
printstr enters
printstr info_audio
call TestUnitRdy
call PlayAudio
ret
exit2: printstr enters
printstr error2
ret
checkATAPI endp
TestUnitRdy proc far public
mov dx,pri_cntl ;
mov al,04h ;reset channel
out dx,al
out 0ebh,al
mov al,00h
out dx,al ;reset complete
mov dx,pri_dev
mov al,0b0h ;slave for cd - rom
out dx,al
resend1:
mov dx,1f7h
@@: in al,dx
test al,88h ;busy and data?
jnz @b
mov dx,1f7h
mov al,0a0h
out dx,al
@@: in al,dx ;wait for data req
test al,08h
jz @b
;============ test ===============
mov ax,0abcdh
out 80h,ax
mov dx,1f0h
mov ax,00
out dx,ax
out dx,ax
out dx,ax
out dx,ax
out dx,ax
out dx,ax
mov dx,1f7h
in al,dx
test al,01h ;check error???
jnz resend1
mov dx,1f7h
@@: in al,dx
test al,84h ;busy and data?
jnz @b
resend2:
mov dx,1f7h ;second send
mov al,0a0h
out dx,al
@@: in al,dx
test al,08h
jz @b
;===============================test
mov ax,1234h
out 80h,ax
mov dx,1f0h
mov ax,0045h
out dx,ax
mov ax,0ffffh
out dx,ax
mov ax,0ffffh
out dx,ax
mov ax,0ff00h
out dx,ax
mov ax,00ffh
out dx,ax
mov ax,0000h
out dx,ax
mov dx,1f7h
in al,dx
test al,01h ;check error???
jnz resend2
ret
TestUnitRdy endp
PlayAudio proc far public
ret
PlayAudio endp
end
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