Help with structure

If my memory not fails me this is good old DOS assembly but maybe it still works in a 32 bit shell?

It's good to be nostalgic and save stuff sometimes! :)
Directly from the book "The Waite Group's MS_DOS Developers Guide":
Int21, function 02h - Output Character to Console
AH=02h
ENTRY: DL = Character to write to console
RETURN: None

Int21, function 09h - Output String to Console
AH=09h
ENTRY: DS:DX = Pointer to string terminated by $
RETURN: None
So make sure the string is terminated with a $ and then it's trivial to print it to console.

The numbers you have to translate to characters, maybe easiest to start off by printing the numbers as hex.

But you already do that...

Storage STRUC
TEXT db ' ' ; Replace ' ' with a number to allocate more bytes
Nummer dw ?
Sieben dw ?
Storage ENDS

.data
;I think Moat should be Storage by the way
Keeper Moat <'Customer',41,44700> ; initialize the structure

.code

start:
mov ax,@data
mov ds,ax

; fill structure
mov ax,Keeper.Nummer ;This copies the value of Keeper.Nummer to ax
mov bx,offset Keeper ; This copies the address (pointer) to structure
mov ax,word ptr [bx.Sieben] ; This copies first bytes from Keeper.TEXT

exit:
mov ax,4c00h
int 21h

end start

I would do (don't remember full syntax so you probably will have some issues to fix)

Storage STRUC
TEXT db 20
Nummer dw 1
Sieben dw 1
Storage ENDS

.data
Keeper Storage <'Customer$',41,44700> ; initialize the structure

.code

start:
mov ax,@data
mov ds,ax

;print string to console
mov bx, offset Keeper.TEXT
mov dx, offset Keeper.TEXT
mov ah,09h
int 21h

;Print number
mov bx, offset Keeper.Nummer
mov cx, 4 ;Or 2 maybe?
nxt:
mov dl, byte ptr [bx]
call ConvertDlFromBinToHex
mov ah,02h
int 21h
inc bx
repnz nxt ;Or what it was called the instr that decr cx for auto loop

exit:
mov ax,4c00h
int 21h

end start

Your welcome slider, fun to see some assembler again. A pity I don't remember that much though.

What assembler do you use? Tried to use the Studio2005 masm but have failed not succeed with the build so far.

Slider when posting code here, use code tags. Code will be simpler to read and also formatting will stay. All you have to do is to place a [ code] before the code starts and [ /code] after the code ends. Remove the space within the [] example though.

Your welcome slider, fun to see some assembler again. A pity I don't remember that much though.

What assembler do you use? Tried to use the Studio2005 masm but have failed not succeed with the build so far.

Slider when posting code here, use code tags. Code will be simpler to read and also formatting will stay. All you have to do is to place a [ code] before the code starts and [ /code] after the code ends. Remove the space within the [] example though.

I use primarily tasm, but sometimes have to use 16 bit masm.
It's been real hard finding source code for structures in either language.

Since 32 bit also uses structures, I will benefit from learning it.

Just couldn't resist it... Take it for what it is but now it at least works in some way. I used the tools from the site I pointed out to build it for 16 bit DOS.

.model small,STDCALL
.stack 200h
.386
.DOSSEG

STRING_LEN equ 20
Moat STRUC
text db STRING_LEN dup (?)
Nummer dw ?
Sieben dw ?
Moat ENDS

.data
Keeper Moat <'String$',41,44700> ; initialize the structure

.code

; Converts bin value in low nibble of dl to ASCII hex in dl
BinToHex PROC
cmp dl, 9
ja hex
add dl, '0'
ret
hex:
add dl, 'A'-10
ret
BinToHex ENDP

main PROC
mov ax, @data
mov ds, ax

; Print string
mov dx, offset Keeper.text
mov ah, 9
int 21h

; Print Nummer
mov ax, ds
mov es, ax
mov bx, offset Keeper.Nummer
mov cx, 12
next:
mov dx, WORD PTR [bx]
shr dx, cl
and dx, 0Fh
call BinToHex
mov ah, 2
int 21h
cmp cx, 0
je done
sub cx, 4
jmp next
done:

.EXIT
main ENDP

END main

Yes 0029 is as expected. I just wanted to use those two DOS services I mentioned in first post so I made a hex printout instead of a decimal one.

You almost got it right with the code tags, the tag before post shall not have leading / and both tags shall be within []. Press edit and try it out.

Where did you get that conversion method? I ran it and it outputs a G instead of the expected 0. To bad I thrown away all my 16 bit tools. Can't run it in debugger to see what's happening.

I run XP Prof.

32-bit works fine to debug in my Studio2005 and I found an old CodeView 3.14 so now I can debug 16-bit also (without symbols so far).

I haven't done anything for PC in assembly for the last 15 years or so. Back then I used it for making TSRs and in some need-for-speed situations.

Sure post it but use code tags ;), I'll do my best to help. It's fun to revive old knowledge.

By the way, that convert binary to ASCII snippet you added to the code only converts values in the range 0-9.

Sorry slider, had to work late today and unfortunately I didn't open your post at work. Thought it should take awhile to help you.

About posting code. There's no edit button for making a new post. Edit is for editing a post that you already has made. When posting code you do the same as posting a message, press 'post reply', type what you want and then cut&paste your code into the text but inbetween the tags [code*] and [/code*] (stars should be removed though).

To change the name of the library you only have to change the LIBRARY statement in the def-file.