.define Lcs ! This subroutine creates space for locals on procedure entry ! by lowering the stackpointer. Lcs: sta ARTH ! number of locals (lowbyte) stx ARTH+1 ! number of locals (highbyte) sec lda SP+2 sbc ARTH sta SP+2 ! new stackpointer (lowbyte) lda SP+1 sbc ARTH+1 sta SP+1 ! new stackpointer (highbyte) rts