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;m
PRINTF_CODE SEGMENT PUBLIC
ASSUME CS:PRINTF_CODE, DS:PRINTF_CODE, ES:PRINTF_CODE, SS:PRINTF_CODE
;�������������������������������� P U B L I C S ���������������������������������������ͻ
;� �
PUBLIC initialize_sublists
;� �
;�������������������������������� P U B L I C S ���������������������������������������ͼ
;*****************************************************************************
; External Declarations
;*****************************************************************************
;
EXTRN first_sublist:BYTE
EXTRN number_of_sublists:ABS
EXTRN SysDispMsg:Near
;
;***************************************************************************
; Message Structures
;***************************************************************************
;
Message_Table struc ; ;AN000;
;
Entry1 dw 0 ; ;AN000;
Entry2 dw 0 ; ;AN000;
Entry3 dw 0 ; ;AN000;
Entry4 dw 0 ; ;AN000;
Entry5 db 0 ; ;AN000;
Entry6 db 0 ; ;AN000;
Entry7 dw 0 ; ;AN000;
;
Message_Table ends ; ;AN000;
include common.stc ;contains the following structure
;sublist_def STRUC
; db ? ;Sublist Length, fixed
; db ? ;Reserved, not used yet ;AN000;
; dw ? ;offset
;sublist_seg dw ? ;segment part of pointer to piece of message
; db ? ;ID, special end of message format ;AN000;
; db ? ;flags
; db ?
; db ?
; db ?
;sublist_def ENDS
;�������������������������������������������������������������������������������
;�
;� INITIALIZE_SUBLISTS
;� -------------------
;� A .COM file cannot have references to segments in it at EXE2BIN time so
;� the segment part of pointers to pieces of messages in sublist blocks must
;� be done at execution time. This routine does that for all sublists.
;�
;�
;� INPUT:
;�
;�
;�
;�
;�
;�
;�
;� RETURN:
;�
;�
;� MESSAGES: none
;�
;�
;�
;� REGISTER
;� USAGE AND
;� COMVENTIONS:
;�
;�
;�
;� ASSUMPTIONS:
;�
;�
;� SIDE EFFECT:
;�
;�
;� �����������������������������������������������������������������������
;�
;� BEGIN
;� �
;� END �
;�
;�������������������������������������������������������������������������������
initialize_sublists PROC NEAR ;AN000;
MOV CX,number_of_sublists ;AN000;
MOV SI,OFFSET first_sublist ;address first sublist ;AN000;
REPEAT: ;AN000;
MOV [SI].sublist_seg,DS ;set up the segment part of the pointer field in the sublist block ;AN000;
ADD SI,TYPE sublist_def ;point to next sublist block ;AN000;
LOOPNZ repeat ;AN000;
;AN000;
RET
;AN000;
initialize_sublists ENDP
;*****************************************************************************
;PRINTF
;*****************************************************************************
;
;Description: Save all registers, set up registers required for SysDispMsg
; routine. This information is contained in a message description
; table pointed to by the DX register. Call SysDispMsg, then
; restore registers. This routine assumes that the only time an
; error will be returned is if an extended error message was
; requested, so it will ignore error returns
;
;Called Procedures: sysdispmsg
;
;Change History: Created 4/22/87 MT
;
;Input: ES:DX = pointer to message description
;
;Output: None
;
;Psuedocode
;----------
;
; Save all registers
; Setup registers for SysDispMsg from Message Description Tables
; CALL SysDispMsg
; Restore registers
; ret
;*****************************************************************************
Public PRINTF
PRINTF PROC NEAR ; ;AN000;
; push ax
;Save registers ;AN000;
push bx ; " " " " ;AN000;
push cx ; " " " " ;AN000;
push dx ; " " " " ;AN000;
push si ; " " " " ;AN000;
push di ; " " " " ;AN000;
mov di,dx ;Change pointer to table ;AN000;
mov ax,[di].Entry1 ;Message number ;AN000;
mov bx,[di].Entry2 ;Handle ;AN000;
mov si,[di].Entry3 ;Sublist ;AN000;
mov cx,[di].Entry4 ;Count ;AN000;
mov dh,[di].Entry5 ;Class ;AN000;
mov dl,[di].Entry6 ;Function ;AN000;
mov di,[di].Entry7 ;Input ;AN000;
call SysDispMsg ;Display the message ;AN000;
pop di ;Restore registers ;AN000;
pop si ; " " " " ;AN000;
pop dx ; " " " " ;AN000;
pop cx ; " " " " ;AN000;
pop bx ; " " " " ;AN000;
; pop ax ; " " " " ;AN000;
ret ;All done ;AN000;
PRINTF ENDP ; ;AN000;
PRINTF_CODE ENDS
end
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