/ $Header$ .text .globl cii~ /convert int to int / 1 byte -> ? : sign extension cii~: mov (sp)+,r3 mov (sp)+,r0 sub (sp)+,r0 ble 1f asr r0 bcc 2f movb (sp),r1 mov r1,(sp) 2: tst r0 beq 3f tst (sp) 4: sxt -(sp) sob r0,4b 1: sub r0,sp / if out of sob loop r0==0 3: jmp (r3)