.define Rmu2 ! This subroutine returns the remainder of an twobyte unsigned ! integer division. Rmu2: stx ARTH sta ARTH+1 ! first operand jsr Pop stx ARTH+2 sta ARTH+3 ! second operand ldy #1 sty UNSIGN ! it unsigned jsr Duv lsr ARTH+5 ror ARTH+4 ! shift result one time ldx ARTH+4 lda ARTH+5 rts