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calltpn.asm
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Assembly Source File
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1995-07-03
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2KB
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50 lines
;*********************************************************
;* *
;* Call the user defined transaction program *
;* *
;* This subroutine calls the user defined transaction *
;* program and passes to it the CREATE_TP record. *
;* *
;* *
;* CopyRight 1995. Nicholas Poljakov all rights reserved.*
;* *
;*********************************************************
.MODEL LARGE
.DATA
.CODE
EXTRN _tp_exit:dword
PUBLIC _calltpn
_calltpn PROC
push bp
mov bp,sp
;
push ds
;
mov ax, [bp + 8]
mov dx, [bp + 6]
cmp ax, 0ffffh ; check if the exit is not
jne CallTP
cmp dx, 0ffffh ; available
jne CallTP
mov ax, 0 ; set the return code and then exit
mov dx,084ch ; rc. = 'tp_not_available_no_retry'
jmp short CallTpExit
CallTP:
mov ds, ax
pushf
call _tp_exit
;
; Load the SENSE value from the CREATE_TP record.
;
mov bx, dx
mov ax, word ptr [bx + 20] ; load the ax with value of sense
mov dx, word ptr [bx + 22] ; load the dx with value of sense
;
CallTpExit:
pop ds
;
pop bp
ret
_calltpn ENDP
END