Re: [stella] Newbie Cycle Counting Question

Subject: Re: [stella] Newbie Cycle Counting Question
From: Thomas Jentzsch <tjentzsch@xxxxxx>
Date: Mon, 14 Apr 2003 22:31:30 +0200
Jason wrote:
>         LDA PF0Data,X           ;[10] 5

LDA ZP,X and ABS,X need 4 cycles (+1 if indexing with X crosses a page)


>         CPY LanderYPos          ;[29] 4

Assuming LanderYPos is a ZP-variable this takes 3 cycles.


>         LDA LanderHeight        ;[35] 4
>         STA LanderVisible       ;[39] 4

ZP-variable, 3 cycles


>         DEC LanderVisible       ;[54] or [62] 6

ZP-variable, 5 cycles

Have fun!
Thomas                            
_______________________________________________________
Thomas Jentzsch         | *** Every bit is sacred ! ***
tjentzsch at web dot de |

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