.define Los .sect .text .sect .rom .sect .data .sect .bss .sect .text ! This subroutine perfoms the LOS instruction. ! For detail see rapport IR-81. Los: cmp #0 bne 3f cpx #1 bne 1f ! the size is one jsr Pop ! get address jsr Loi1 ! push it on the stack jmp Push 1: cpx #2 bne 2f ! the size is two jsr Pop ! get address jsr Loi ! push it on the stack jmp Push 2: cpx #4 bne 3f ! the size is four jsr Pop ! get address jmp Ldi ! push it on the stack 3: sta ARTH+1 ! the size is greater than four txa tay jsr Pop ! get address jmp Loil ! push it on the stack