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# Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
# All Rights Reserved
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License"). You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# University Copyright- Copyright (c) 1982, 1986, 1988
# The Regents of the University of California
# All Rights Reserved
#
# University Acknowledgment- Portions of this document are derived from
# software developed by the University of California, Berkeley, and its
# contributors.
#
#pragma ident "%Z%%M% %I% %E% SMI"
/ #ident "@(#)vi:port/ovdoprnt.s 1.5"
/ C library -- conversions
/ Overlay modification -- wfj 8/80
/ stack frame is one word larger...
/
/ width=-8.
/ formp=-10.
/ rjust=-12.
/ ndfnd=-14.
/ ndigit=-16.
/ zfill=-18.
width=-10.
formp=-12.
rjust=-14.
ndfnd=-16.
ndigit=-18.
zfill=-20.
.globl __doprnt
.globl __strout
.globl csv
.globl cret
__doprnt:
jsr r5,csv
sub $128.+12.,sp
mov 4(r5),formp(r5) / format
mov 6(r5),r4
loop:
mov sp,r3
mov formp(r5),r1
2:
movb (r1)+,r2
beq 2f
cmp r2,$'%
beq 2f
movb r2,(r3)+
br 2b
2:
mov r1,formp(r5)
cmp r3,sp
beq 2f
mov sp,r0
mov 8(r5),-(sp)
clr -(sp)
mov r3,-(sp)
sub r0,(sp)
mov r0,-(sp)
jsr pc,__strout
add $8,sp
2:
tst r2
bne 2f
jmp cret
2:
mov sp,r3
2:
clr rjust(r5)
clr ndigit(r5)
mov $' ,zfill(r5)
cmpb *formp(r5),$'-
bne 2f
inc formp(r5)
inc rjust(r5)
2:
cmpb *formp(r5),$'0
bne 2f
mov $'0,zfill(r5)
2:
jsr r3,gnum
mov r1,width(r5)
clr ndfnd(r5)
cmp r0,$'.
bne 1f
jsr r3,gnum
mov r1,ndigit(r5)
1:
mov $swtab,r1
1:
mov (r1)+,r2
bne 2f
movb r0,(r3)+
jmp prbuf
2:
cmp r0,(r1)+
bne 1b
jmp (r2)
.data
swtab:
decimal; 'd
octal; 'o
hex; 'x
charac; 'c
string; 's
longorunsg; 'l
longorunsg; 'L
unsigned; 'u
remote; 'r
long; 'D
loct; 'O
lhex; 'X
lunsigned; 'U
0; 0
.text
longorunsg:
movb *formp(r5),r0
inc formp(r5)
cmp r0,$'o
beq loct
cmp r0,$'x
beq lhex
cmp r0,$'d
beq long
cmp r0,$'u
beq lunsigned
dec formp(r5)
br unsigned
octal:
clr r0
br 1f
loct:
mov (r4)+,r0
1:
mov $8.,r2
br 2f
hex:
clr r0
br 1f
lhex:
mov (r4)+,r0
1:
mov $16.,r2
2:
mov (r4)+,r1
br compute
decimal:
mov (r4)+,r1
sxt r0
bmi 3f
br 2f
unsigned:
clr r0
br 1f
long:
mov (r4)+,r0
bge 1f
mov (r4)+,r1
3:
neg r0
neg r1
sbc r0
movb $'-,(r3)+
br 2f
lunsigned:
mov (r4)+,r0
1:
mov (r4)+,r1
2:
mov $10.,r2
/
/ Algorithm courtesy Keith Davis
/
compute:
mov r5,-(sp)
mov r4,-(sp)
mov r0,r4
mov ndigit(r5),r0
mov r1,r5
ashc $0,r4
beq 1f
tst r0
beq 1f
movb $'0,(r3)+
1:
jsr pc,1f
mov (sp)+,r4
mov (sp)+,r5
br prbuf
1:
clr r0
mov r4,r1
beq 2f
div r2,r0
mov r0,r4
mov r1,r0
2:
mov r5,r1
asl r2
div r2,r0
asr r2
asl r0
cmp r2,r1
bgt 2f
sub r2,r1
inc r0
2:
mov r1,-(sp)
mov r0,r5
bne 2f
tst r4
beq 1f
2:
jsr pc,1b
1:
mov (sp)+,r0
add $'0,r0
cmp r0,$'9
ble 1f
add $'a-'0-10.,r0
1:
movb r0,(r3)+
rts pc
charac:
mov $' ,zfill(r5)
mov (r4)+,r0
bic $!377,r0
beq prbuf
movb r0,(r3)+
br prbuf
string:
mov $' ,zfill(r5)
mov ndigit(r5),r1
mov (r4),r2
mov r2,r3
bne 1f
mov $nulstr,r2
mov r2,r3
mov r2,(r4)
1:
tstb (r2)+
beq 1f
inc r3
sob r1,1b
1:
mov (r4)+,r2
br prstr
remote:
mov (r4)+,r4
mov (r4)+,formp(r5)
jmp loop
prbuf:
mov sp,r2
prstr:
sub r2,r3
mov width(r5),r1
sub r3,r1
bge 1f
clr r1
1:
tst rjust(r5)
bne 1f
neg r1
1:
mov zfill(r5),-(sp)
mov 8(r5),-(sp)
mov r1,-(sp)
mov r3,-(sp)
mov r2,-(sp)
jsr pc,__strout
add $10.,sp
jmp loop
gnum:
clr ndfnd(r5)
clr r1
1:
movb *formp(r5),r0
inc formp(r5)
sub $'0,r0
cmp r0,$'*-'0
bne 2f
mov (r4)+,r0
br 3f
2:
cmp r0,$9.
bhi 1f
3:
inc ndfnd(r5)
mul $10.,r1
add r0,r1
br 1b
1:
add $'0,r0
rts r3
.data
nulstr:
<(null)\0>
|
