21 lines
351 B
ArmAsm
21 lines
351 B
ArmAsm
|
.sect .text; .sect .rom; .sect .data; .sect .bss
|
||
|
|
.sect .text
|
||
|
|
.define .dvu8, .rmu8
|
||
|
|
|
||
|
|
yl=4
|
||
|
|
yh=8
|
||
|
|
xl=12
|
||
|
|
xh=16
|
||
|
|
! .dvu8 yields ebx:eax = quotient from x / y
|
||
|
|
! .rmu8 yields ecx:edx = remainder from x / y
|
||
|
|
|
||
|
|
.dvu8:
|
||
|
|
.rmu8:
|
||
|
|
mov edx,yh(esp)
|
||
|
|
test edx,edx
|
||
|
|
mov eax,xh(esp) ! prepare for .divrem8
|
||
|
|
push ebp ! move esp
|
||
|
|
call .divrem8
|
||
|
|
pop ebp ! move esp
|
||
|
|
ret 16
|