ack/mach/m65oo2/libem/cuu.s

38 lines
576 B
ArmAsm

.sect .text; .sect .rom; .sect .data; .sect .bss
.define .ciu
.define .cui
.define .cuu
.sect .text
.ciu:
.cui:
.cuu:
pop bx ! return address
! pop cx, dest. size
! pop dx, source size
! ax is low word of source
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
xor dx,dx
push dx
jmp bx
9:
push ax ! to help debugging ?
.extern EILLINS
.extern .fat
mov ax,EILLINS
push ax
jmp .fat