[A83] Re: 3 subroutines in 1

To: <assembly-83@lists.ticalc.org>
Subject: [A83] Re: 3 subroutines in 1
From: "Joe Pemberton" <joe@joepnet.com>
Date: Fri, 10 May 2002 18:21:21 -0700
References: <Pine.LNX.4.21.0205100826140.21451-100000@sunsparc.hysoft-a utomation.com><F162Ubfhvh0bzD42tsr000086fe@hotmail.com> <5.1.0.14.2.20020319140744.032a2000@mail.socket.net>
Reply-To: assembly-83@lists.ticalc.org



instead of:

>      jp z,enemy_moveX
>      jp GetKey
> enemy_moveX:

just do 'jp nz,Getkey'

- - Joe




>
> Is there anyway to compare a value and then not have to jp to another
> subrutine?  All three of these is ment to delay the sprite movement, and
> then move the sprite.  I would like all three to be in one routine.  Do
you
> guys have any ideas?
>
>
> enemy_move:
>      ld a,(Temp)
>      inc a
>      ld (Temp),a
>      cp 100
>      jp z,enemy_move2
>      jp GetKey
> enemy_move2:
>      ld a,0
>      ld (Temp),a
>      ld a,(Temp2)
>      inc a
>      ld (Temp2),a
>      cp 100
>      jp z,enemy_move3
>      jp GetKey
> enemy_move3:
>      ld l,0
>      ld a,(EXpos)
>      ld b,8
>      ld ix,enemy_ship
>      call ionPutSprite
>      call ionFastCopy
>      ld l,0
>      ld a,(EXpos)
>      ld b,8
>      inc a
>      ld (EXpos),a
>      ld b,8
>      ld ix,enemy_ship
>      call ionPutSprite
>      call ionFastCopy
>      ld a,0
>      ld (Temp),a
>      ld (Temp2),a
>      jp GetKey
>
>
>

References:

[A83] Re: ROMs

From: "Dan Weiss" <dwedit@hotmail.com>

[A83] 3 subroutines in 1

From: Matt McDole <simucal@socket.net>

Prev: [A83] Re: ROMs
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