Hi Billy!
> missile_enables
> ds 66
> dc $02
> ds 69
> I setup two variable miss0index and miss1index before the field is drawn
> and
> then, in my display loops I have this (in the second line):
>
> ldy miss0index
> lda #missile_enables,y
> sta ENAM0
>
> ldy miss1index
> lda #missile_enables,y
> sta ENAM1
>
> inc miss0index ;increment the indexes
> inc miss1index
That seems to be a rather strange code to do missiles :-)
Normal code to handle more than one missile would be something like
Set up stack:
LDX #$1E ; (1F if you do the ball too)
TXS
Activate:
CPY/CPX missile1Y
PHP ; (Pushes the zero flag into ENAMX!!)
CPY/CPX missile2Y
PHP
That's all it takes.
Don't forget restoring the stack after the routine. Wether you
use CPY or CPX depends on where you stored the line-counter.
Greetings,
Manuel
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