Re: [stella] Addressing Problem

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Re: [stella] Addressing Problem

Subject: Re: [stella] Addressing Problem
From: Manuel Rotschkar <cybergoth@xxxxxxxx>
Date: Sat, 30 Jul 2005 14:00:29 -0400

Hi there!

> Lets image i have 10 levels. X is only 8 bit. So it will overflow after
> finishing level 4 and loading level 5. How can i solve this problem?

Indirect Y indexing should do the trick:

When Loading your data:
LDA (levelPointer),Y

Advancing to the next level:
    LDA levelPointer
    CLC
    ADC #61
    STA levelPointer
    BCC MSBFine
    INC levelPointer+1
MSBFine

Greetings,
Manuel
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Current Thread
[stella] Addressing Problem Christian Ammann - 30 Jul 2005 17:52:08 -0000 Manuel Rotschkar - 30 Jul 2005 18:11:12 -0000 <= christian ammann - 30 Jul 2005 18:12:02 -0000 <Possible follow-ups> christian ammann - 30 Jul 2005 17:58:09 -0000

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