Subject: Re: [stella] Help With Vertical Scroll From: Aaron Bergstrom <Aaron.Bergstrom@xxxxxxxxxxxxxx> Date: Tue, 04 Feb 2003 01:46:49 -0600 |
NewYUSLoad DEX LDY count,X STX CountSet STY CountYHold JMP LeftRight
NewYUSLoad DEX LDY #1 STX CountSet STY CountYHold JMP LeftRight
I've been working on a vertically scrolling playfield. It scrolls fine going down. And it scrolls fine going up too, except for when it reaches the very end of the playing field where it just quickly jumps to the end. Can anyone tell me why? I'm using the Stella emulator to test it. The scroll is controlled by the up/down of the left joystick..
Thanks,
Aaron
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