I am able to make a simple up-scaled sound effect in ca65 but if I want to add another sound, it won't let me?
; Do a up-scaled sweep sound
lda #1
sta $4015 ; Turn on the sound output
lda #$FF
sta $4000 ; pAPU Sound Register 1 (sq)
lda #%11011011
sta $4001
lda #$A5
sta $4002
lda #$AB
sta $4003
; Do a second up-scaled sweep sound
lda #1
sta $4015
lda #$FF
sta $4000 ; pAPU Sound Register 1 (sq)
lda #%11011011
sta $4001
lda #$A5
sta $4002
lda #$AB
sta $4003
; Do a up-scaled sweep sound
lda #1
sta $4015 ; Turn on the sound output
lda #$FF
sta $4000 ; pAPU Sound Register 1 (sq)
lda #%11011011
sta $4001
lda #$A5
sta $4002
lda #$AB
sta $4003
; Do a second up-scaled sweep sound
lda #1
sta $4015
lda #$FF
sta $4000 ; pAPU Sound Register 1 (sq)
lda #%11011011
sta $4001
lda #$A5
sta $4002
lda #$AB
sta $4003