minix/lib/i86/em/em_cii.s
2009-11-09 10:26:00 +00:00

37 lines
513 B
ArmAsm

.define .cii
.text
.cii:
pop bx ! return address
! pop cx, dest. size
! pop dx, src. size
! ax is first word of source
cmp dx,#1
jne 2f
cbw
mov dx,#2
2:
cmp dx,cx
je 8f
cmp dx,#2
je 1f
cmp dx,#4
jne 9f
cmp cx,#2
jne 9f
pop dx
8:
jmp (bx)
1:
cmp cx,#4
jne 9f
cwd
push dx
jmp (bx)
9:
push ax ! push low source
EILLINS = 18
.extern .fat
mov ax,#EILLINS
push ax
jmp .fat