Category : Network Files
Archive   : TCP_SRC.ZIP
Filename : VERIFYPI.ASM

 
Output of file : VERIFYPI.ASM contained in archive : TCP_SRC.ZIP
signature db 'PKT DRVR',0
signature_len equ $-signature

packet_int_msg db CR,LF
db "Error: should be in the range 0x60 to 0x80"
db '$'

verify_packet_int:
;enter with no special registers.
;exit with cy,dx-> error message if the packet int was bad,
; or nc,zr,es:bx -> current interrupt if there is a packet driver there.
; or nc,nz,es:bx -> current interrupt if there is no packet driver there.
cmp packet_int_no,60h ;make sure that the packet interrupt
jb verify_packet_int_bad ; number is in range.
cmp packet_int_no,80h
jbe verify_packet_int_ok
verify_packet_int_bad:
mov dx,offset packet_int_msg
stc
ret
verify_packet_int_ok:

mov ah,35h ;get their packet interrupt.
mov al,packet_int_no
int 21h

lea di,3[bx] ;see if there is already a signature
mov si,offset signature ; there.
mov cx,signature_len
repe cmpsb
clc
ret


  3 Responses to “Category : Network Files
Archive   : TCP_SRC.ZIP
Filename : VERIFYPI.ASM
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/