24 lines
328 B
ArmAsm
24 lines
328 B
ArmAsm
|
.sect .text; .sect .rom; .sect .data; .sect .bss
|
||
|
|
.define .cms
|
||
|
|
|
||
|
|
! #bytes in cx
|
||
|
|
.sect .text
|
||
|
|
.cms:
|
||
|
|
pop bx ! return address
|
||
|
|
mov dx,sp
|
||
|
|
push si
|
||
|
|
push di
|
||
|
|
mov si,dx
|
||
|
|
add dx,cx
|
||
|
|
mov di,dx
|
||
|
|
add dx,cx
|
||
|
|
sar cx,1
|
||
|
|
repe cmps
|
||
|
|
je 1f
|
||
|
|
inc cx
|
||
|
|
1:
|
||
|
|
pop di
|
||
|
|
pop si
|
||
|
|
mov sp,dx
|
||
|
|
jmp bx
|