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- / cat -- concatinate files
-
- mov (sp)+,r5
- tst (sp)+
- mov $obuf,r2
- cmp r5,$1
- beq 3f
-
- loop:
- dec r5
- ble done
- mov (sp)+,r0
- cmpb (r0),$'-
- bne 2f
- clr fin
- br 3f
- 2:
- mov r0,0f
- sys open; 0:..; 0
- bes loop
- mov r0,fin
- 3:
- mov fin,r0
- sys read; ibuf; 512.
- bes 3f
- mov r0,r4
- beq 3f
- mov $ibuf,r3
- 4:
- movb (r3)+,r0
- jsr pc,putc
- dec r4
- bne 4b
- br 3b
- 3:
- mov fin,r0
- beq loop
- sys close
- br loop
-
- done:
- sub $obuf,r2
- beq 1f
- mov r2,0f
- mov $1,r0
- sys write; obuf; 0:..
- 1:
- sys exit
-
- putc:
- movb r0,(r2)+
- cmp r2,$obuf+512.
- blo 1f
- mov $1,r0
- sys write; obuf; 512.
- mov $obuf,r2
- 1:
- rts pc
-
- .bss
- ibuf: .=.+512.
- obuf: .=.+512.
- fin: .=.+2
- .text
-
-