.define Loi1 .sect .text .sect .rom .sect .data .sect .bss .sect .text ! This routine loads a one byte object in registerpair AX. Loi1: stx ADDR ! address of byte (lowbyte) sta ADDR+1 ! address of byte (highbyte) ldy #0 lda (ADDR),y ! load byte tax ! store byte in X tya ! clear highbyte of AX rts