Files
unix-v6/source/tmg/tmgb/copy.s
T
2018-01-27 22:35:41 +09:00

37 lines
446 B
ArmAsm

f = r5
i = r3
.globl x,k
.globl ktab,ktat
.globl putcall,obuild
.globl errcom,succ,generate
.globl rewcstr,getcstr
.globl scopy
scopy:
mov $2f+1,r0
jsr pc,putcall
jsr pc,rewcstr
mov k(f),r2
neg r2
add $2,r2
1:
jsr pc,getcstr
tst r0
beq 1f
movb r0,ktab(r2)
inc r2
cmp r2,$ktat
blt 1b
jsr r0,errcom
<translation overflow\0>;.even
1:
clrb ktab(r2)
bic $1,r2
neg r2
mov r2,k(f)
jmp succ
2:
mov i,r0
jsr pc,obuild
jmp generate