removed printf.s

This commit is contained in:
ceriel 1989-05-29 14:40:51 +00:00
parent aa0e321971
commit ce81b47935
2 changed files with 85 additions and 3 deletions

View file

@ -29,5 +29,4 @@ fat.s
fakfp.s fakfp.s
trp.s trp.s
dia.s dia.s
printf.s
dvu.s dvu.s

View file

@ -27,14 +27,97 @@ del = 0177
2: 2:
move.l d2,-(sp) move.l d2,-(sp)
pea fmt pea fmt
jsr _printf jsr printf
add #12,sp add #12,sp
jmp _printf jmp printf
1: 1:
move.l #unknwn,d2 move.l #unknwn,d2
bra 2b bra 2b
.sect .bss
getal:
.space 12
char:
.space 1
.align 4
.sect .data
hexs:
.ascii "0123456789abcdef"
.align 4
.sect .text
printf:
movem.l d0/d1/d2/a0/a1/a2/a3/a4/a5/a6, -(sp)
lea 44(sp), a6 ! a6 <- address of arguments
move.l (a6)+, a5 ! a5 <- address of format
next: move.b (a5)+, d0
beq out
cmp.b #'%', d0
beq procnt
put: move.l d0, -(sp)
jsr putchar ! long argument on stack
tst.l (sp)+
bra next
procnt: move.b (a5)+, d0
cmp.b #'d', d0 ! NOTE: %d means unsigned.
beq digit
cmp.b #'x', d0
beq hex
cmp.b #'s', d0
beq string
cmp.b #'%', d0 ! second % has to be printed.
beq put
tst.b -(a5) ! normal char should be printed
bra next
string: move.l (a6)+, a2 ! a2 <- address of string
sloop: move.b (a2)+, d0
beq next
move.l d0, -(sp)
jsr putchar ! long argument on stack
tst.l (sp)+
bra sloop
digit: move.l (a6)+, d1 ! d1 <- integer
move.l #getal+12, a2 ! a2 <- ptr to last part of buf
clr.b -(a2) ! stringterminator
1:
move.l d1,-(sp)
move.l #10,-(sp)
jsr .dvu ! d1 <- qotient; d0 <- remainder
add.l #'0', d0
move.b d0, -(a2)
tst.l d1 ! if quotient = 0 then ready
bne 1b
bra sloop ! print digitstring.
hex: move.l (a6)+, d1 ! d1 <- integer
move.l #getal+12, a2 ! a2 <- ptr to last part of buf
clr.b -(a2) ! stringterminator
move.l #7, d2 ! loop control
1: move.l d1, d0
and.l #15, d0
move.l #hexs,a0
add.l d0,a0
move.b (a0), -(a2) ! hex digit
asr.l #4, d1
dbf d2, 1b
bra sloop
out:
movem.l (sp)+, d0/d1/d2/a0/a1/a2/a3/a4/a5/a6
rts
putchar:
move.l #1, -(sp)
pea 11(sp)
move.l #1, -(sp)
jsr _write
lea 12(sp), sp
rts
.align 2
.sect .data .sect .data
fmt: .asciz "%s, line %d: " fmt: .asciz "%s, line %d: "
unknwn: .asciz "unknown file" unknwn: .asciz "unknown file"