mov ax,0200 mov dx,0048 int 21 mov dx,0065 int 21 mov dx,006C int 21 mov dx,006C int 21 mov dx,006F int 21 mov dx,002C int 21 mov dx,0020 int 21 mov dx,0057 int 21 mov dx,006F int 21 mov dx,0072 int 21 mov dx,006C int 21 mov dx,0064 int 21 mov dx,0021 int 21 int 20
Thursday, 1 May 2008
Assembler: Hello, World!
DOS, x86, 16bit, debug.exe
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Mmm yeah, did you think it was funny trying to output a single character at a time? Read em and weep (wrote it in 11 seconds):
ReplyDelete-a
1910:0100 jmp 0
1910:0103 db "Debug.exe can emit string literals too :P$"
1910:012D
-a 0100
1910:0100 jmp 012D
1910:0102
-a 012D
1910:012D mov dx, 0103
1910:0130 mov ah, 09
1910:0132 int 21
1910:0134 ret
1910:0135
-r CX
CX 0000
:35
-n Test.com
-w
Writing 00035 bytes
-q
Hey, can any one tell me how to use call in debug is it equal to jump? and another two questions - i was trying to use coprocessor from debug, and got no error, but after calculations all my output was empty. i will give a workin example a warm hug.
ReplyDeletesecond question - perhaps i'd like to enter graphical mode - is it possible to code for graphical vga mode in debug? i guess not, couse ms dos in windows is a virtual 16 bit machine, but still i'll give it a try.
Thanks people x
What's the number system in Debug.exe? I mean in "mov ah, 09" the "09" means an octal number 9 and in "int 21" the "21" means decimal number 21...
ReplyDeleteIs Debug.exe supposing that all literals are hexadecimals w/o exception?
The numbers are hex values (there is no number 9 in an octal system).
ReplyDelete