;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
        ;;I thoughtout russan thing
        ;;X * %1111001
        ;;= X + X*%1111000
        ;;= X + X*%1000  *%11111
        ;; to remember this for later, for duuqnds papper

.proc mult; user-procedure :clobbers A :clobbers-arguments 2

        ;; https://en.wikipedia.org/wiki/Ancient_Egyptian_multiplication#Russian_peasant_multiplication

        .include "arithmatic.inc"

        LDA #$00
        JMP start
loop:
        ASL VAL_B
start:
        ROR VAL_A; add to awnser if VAL_A is odd
        BCC loop
        CLC
        ADC VAL_B; add val_b because val_a was odd.
        LDX VAL_B
        BNE loop
endloop:
        RTS
.endproc