ack/mach/m68k4/libem/csb.s

31 lines
456 B
ArmAsm
Raw Normal View History

1985-02-07 22:06:32 +00:00
.define .csb
.sect .text
.sect .rom
.sect .data
.sect .bss
1985-02-07 22:06:32 +00:00
.sect .text
1985-02-07 22:06:32 +00:00
.csb:
move.l (sp)+,a0 ! case descriptor
move.l (sp)+,d0 ! index
move.l (a0)+,a1 ! default jump address
move.l (a0)+,d1 ! # entries
beq 2f
sub.l #1,d1
1:
cmp.l (a0)+,d0
beq 3f
tst.l (a0)+ ! skip jump address
dbf d1,1b
2:
move.l a1,d1 ! default jump address
bne 4f
move.l #ECASE,-(sp)
1987-03-27 12:43:17 +00:00
jmp .fatal
1985-02-07 22:06:32 +00:00
3:
move.l (a0)+,a1 ! get jump address
4:
move.l a1,-(sp)
rts
.align 2