63 lines
736 B
ArmAsm
63 lines
736 B
ArmAsm
.sect .text; .sect .rom; .sect .data; .sect .bss; .sect .text
|
|
.sect .text
|
|
.define dvu4~
|
|
.extern save~,retu~
|
|
! $Id$
|
|
|
|
dvu4~:
|
|
jsr pc,save~
|
|
clr r0
|
|
tst (sp)
|
|
bne harddvu4
|
|
tst 02(sp)
|
|
blt harddvu4
|
|
mov 06(sp),r2
|
|
mov 04(sp),r1
|
|
mov 02(sp),r3
|
|
div r3,r0
|
|
mov r0,-(sp)
|
|
mov r1,r0
|
|
mov r1,r4
|
|
mov r2,r1
|
|
div r3,r0
|
|
bvc 1f
|
|
mov r2,r1
|
|
mov r4,r0
|
|
sub r3,r0
|
|
div r3,r0
|
|
tst r1
|
|
sxt r1
|
|
add r1,r0
|
|
1: mov r0,r1
|
|
mov (sp)+,r0
|
|
br 2f
|
|
harddvu4:
|
|
mov 06(sp),r2
|
|
mov 04(sp),r1
|
|
mov (sp),r3
|
|
mov $17,r4
|
|
br 3f
|
|
6: rol r2
|
|
rol r1
|
|
rol r0
|
|
3: cmp r3,r0
|
|
bhi 4f
|
|
blo 5f
|
|
cmp 02(sp),r1
|
|
blos 5f
|
|
4: clc
|
|
sob r4,6b
|
|
br 7f
|
|
5: sub 02(sp),r1
|
|
sbc r0
|
|
sub r3,r0
|
|
sec
|
|
sob r4,6b
|
|
7: rol r2
|
|
bcc 8f
|
|
mov $01,r0
|
|
br 9f
|
|
8: clr r0
|
|
9: mov r2,r1
|
|
2: add $010,sp
|
|
jmp retu~
|