.org $0000 init: cps lstart: lda #$01 lshft: lsl #$1 bcs rstart jmp lshft rstart: lda.q #$8000000000000000 rshft: lsr #$1 bcs lstart jmp rshft .org $8000 init2: cps lstart2: lda #$01 lshft2: lsl #$1 bcs rstart2 jmp lshft2 rstart2: lda.q #$8000000000000000 rshft2: lsr #$1 bcs lstart2 jmp rshft2 .org $FFC0 .qword init .org $FF50 .qword init2 done