Help Me Debug Pls (alp)

Discussion in 'Assembly Language Programming (ALP) Forum' started by runtime error, Mar 2, 2008.

  1. runtime error

    runtime error New Member

    Jan 26, 2008
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    Len_data Equ 14
    Xcoord Dw 0
    Ycoord Dw 0
    Ascval Dw ?
    Dispdata Label Byte
    Xmsg Db 'x = '
    Xascii Dw ?
           Db ' '
    Ymsg Db 'y = '
    Yascii Dw ?
    A10main Proc Far
            Mov Ax,2
            Mov Ds,ax
            Mov Es,ax
            Call B10initz
            Cmp Ax,00
            Je A90
    A20:    Call C10pointr
            Cmp Bx,01
            Je A80
            Mov Ax,xcoord
            Call D10convrt
            Mov Ax,ascval
            Mov Xascii,ax
            Mov Ax,ycoord
            Call D10convrt
            Mov Ax,ascval
            Mov Yascii,ax
            Call E10disply
    A80:    Mov Ax,02h
            Int 33h
    A90:   ; Call Q10clear
            Mov Ax,4c00h
            Int 21h
    A10main Endp
    B10initz Proc Near
            Mov Ax,00h
            Int 33h
            Cmp Ax,00
            Je B90
            Mov Ax,01h
            Int 33h
    B90:    Ret
    B10initz Endp
    C10pointr Proc Near
    C20:    Mov Ax,03h
            Int 33h
            Cmp Bx,00000001b
            Je C90
            Shr Cx,03
            Shr Dx,03
            Cmp Cx,xcoord
            Jne C30
            Cmp Dx,ycoord
            Je C20
    C30:    Mov Xcoord,cx
            Mov Ycoord,dx
    C90:    Ret
    C10pointr Endp
    D10convrt Proc Near
            Mov Ascval,2020h
            Mov Cx,10
            Lea Si,ascval+1
            Cmp Ax,cx
            Jb D20
            Div Cl
            Or Ah,30h
            Mov [si],ah
            Dec Si
    D20:    Or Al,30h
            Mov [si],al
    D10convrt Endp
    E10disply Proc Near
            Mov Ax,1300h
            Mov Bx,0031h
            Lea Bp,dispdata
            Mov Cx,len_data
            Mov Dx,0020h
            Int 10h
    E10disply Endp
            End A10main
    Above Are The Codes I Used The Problem Is I Don't Get The Desired Output Which Is The Mouse Pointer Will Be Seen And The X And Y Coordinates As Well.

    Pls Help Me Debug. Thanks.
    Last edited by a moderator: Mar 4, 2008

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