Files
unix-v6/source/fort/fx/fxc.s
T
2018-01-27 22:35:41 +09:00

37 lines
364 B
ArmAsm

/
/
/ fxc -- size of array
.globl size
.globl nelem
.globl error
size:
movb symtab+1(r3),r0
jsr r5,nelem
inc r0
bic $1,r0 / round to 0 mod 2
rts r5
nelem:
mov r1,-(sp)
mov r0,r1
mov symtab(r3),r0
bic $!70,r0
cmp r0,$20
bne 1f
mov symtab+2(r3),r0
mov (r0)+,-(sp)
2:
mpy (r0)+,r1
dec (sp)
bgt 2b
tst (sp)+
1:
mov r1,r0
mov (sp)+,r1
rts r5