home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Shareware Supreme Volume 6 #1
/
swsii.zip
/
swsii
/
426
/
3C509A.ZIP
/
DIGOUT.ASM
< prev
next >
Wrap
Assembly Source File
|
1992-08-05
|
615b
|
34 lines
;put into the public domain by Russell Nelson, nelson@crynwr.com
public dwordout, wordout, byteout, digout
dwordout:
mov cl,'0' ;prepare to eliminate leading zeroes.
xchg ax,dx ;just output 32 bits in hex.
call wordout ;output dx.
xchg ax,dx
wordout:
push ax
mov al,ah
call byteout
pop ax
byteout:
mov ah,al
shr al,1
shr al,1
shr al,1
shr al,1
call digout
mov al,ah
digout:
and al,0fh
add al,90h ;binary digit to ascii hex digit.
daa
adc al,40h
daa
cmp al,cl ;leading zero?
je digout_1
mov cl,-1 ;no more leading zeros.
jmp chrout
digout_1:
ret