?? pkterr.asm
字號(hào):
;put into the public domain by Russell Nelson, nelson@crynwr.com
err0 db "No error at all.",'$'
err1 db "Invalid handle number",'$'
err2 db "No interfaces of specified class found",'$'
err3 db "No interfaces of specified type found",'$'
err4 db "No interfaces of specified number found",'$'
err5 db "Bad packet type specified",'$'
err6 db "This interface does not support multicast",'$'
err7 db "This packet driver cannot terminate",'$'
err8 db "An invalid receiver mode was specified",'$'
err9 db "Operation failed because of insufficient space",'$'
err10 db "The type had previously been accessed, and not released.",'$'
err11 db "The command was out of range, or not implemented",'$'
err12 db "The packet couldn't be sent (usually hardware error)",'$'
err13 db "Hardware address couldn't be changed (more than 1 handle open)",'$'
err14 db "Hardware address has bad length or format",'$'
err15 db "Couldn't reset/initialize interface (more than 1 handle open)",'$'
err16 db "An invalid iocb was specified",'$'
errunk db "Unknown error",'$'
errlist dw cgroup:err0, cgroup:err1, cgroup:err2, cgroup:err3, cgroup:err4
dw cgroup:err5, cgroup:err6, cgroup:err7, cgroup:err8, cgroup:err9
dw cgroup:err10, cgroup:err11, cgroup:err12, cgroup:err13
dw cgroup:err14, cgroup:err15, cgroup:err16
error_count equ ($ - errlist)/2
fatal_error:
call print_error
jnc fatal_error_1 ;Only terminate if there really
int 20h ; was an error.
fatal_error_1:
ret
print_error:
;enter with cy set if an error occured, dh is the error number. If cy
; is not set, don't print anything. Don't change any registers.
pushf
jnc print_error_1
or dh,dh
je print_error_1
push ax
push bx
push dx
push ds
movseg ds,cs
mov bl,dh
xor bh,bh
mov dx,offset cgroup:errunk ;in case we don't know about it.
cmp bl,error_count ;Do we know about this error number?
jae print_error_2 ; no, bail out.
shl bx,1
mov dx,errlist[bx]
print_error_2:
mov ah,9
int 21h
mov al,13 ;crlf.
call chrout
mov al,10
call chrout
pop ds
pop dx
pop bx
pop ax
print_error_1:
popf
ret
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