.define .diagnos .sect .text .sect .rom .sect .data .sect .bss space = 040 del = 0177 .sect .text .diagnos: move.l hol0,-(sp) move.l hol0+4,d2 beq 1f move.l d2,a0 move.l #40,d0 3: move.b (a0)+,d1 beq 2f cmp.b #del,d1 bge 1f cmp.b #space,d1 blt 1f sub #1,d0 bgt 3b clr.b (a0) 2: move.l d2,-(sp) pea fmt jsr printf add #12,sp jmp printf 1: move.l #unknwn,d2 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 fmt: .asciz "%s, line %d: " unknwn: .asciz "unknown file" .align 2