/ / PDP-11 C. / Standard Library. / / Integer to Hexadecimal Character (internal). / .globl _itox tab: .ascii "0123456789ABCDEF" / / _itox / On entry: / r0=number / r1=buffer address / / On return: / r1=updated / _itox: mov r2,-(sp) mov r3,-(sp) mov r0,r2 call itox mov (sp)+,r3 mov (sp)+,r2 return itox: mov r2,r3 clr r2 div $16.,r2 beq 0f mov r3,-(sp) call itox mov (sp)+,r3 0: movb tab(r3),(r1)+ return