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;
page 60,132
;
title CP/DOS DosSetCtryCode mapper
;
dosxxx segment
assume cs:dosxxx,ds:dosxxx,es:dosxxx,ss:dosxxx
;
;**********************************************************************
;*
;* MODULE: dossetctrycode
;*
;* FILE NAME: dos049.asm
;*
;* CALLING SEQUENCE:
;*
;* push@ dword country code
;* call dossetctrycode
;*
;* MODULES CALLED: PC-DOS Int 21h, ah=38h, set country code
;*
;*********************************************************************
public dossetctrycode
.sall
include macros.inc
str struc
Old_bp dw ?
Return dd ?
Ccode dd ? ; country code
str ends
dossetctrycode proc far
Enter dossetctrycode ; push registers
lds si,[bp].ccode
mov ax,word ptr [si] ; get country code
mov cx,255
cmp ax,cx ; check for country code >= 255
jl okay ; branch if less
mov bx,ax ; if so, load into bx
mov al,cl ; and set flag
okay: mov dx,0ffffh ; Set DX
mov ah,38h ; DOS INT function code
int 21h ; set country information
jc exit ; branch if error
sub ax,ax ; set good return
exit: mexit ; pop registers
ret size str - 6 ; return
dossetctrycode endp
dosxxx ends
end
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