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Excitebike (NES)/RAM map: Difference between revisions

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(Some data recorded on a recon for this game. Was gathered a long time ago.)
 
m (Reordered items)
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|'''RAM Address'''  || '''Function''' || '''Details'''
|'''RAM Address'''  || '''Function''' || '''Details'''
|-
|-
| 0x0408/F || timer || (f=low 8=high). counts 0 to 10 each
| 0x000E || moving || i think this is 1 when your standing still and are ready to go, 0 else
|-
|-
| 0x03D4 ||coord y || some kind of vert pos, not quite though
| 0x0024 || timers || count down at start. 0x0034 starts at 5 counts down every 11 frames then 0024 starts to count down once per frame, when 0024 is at 2, it means go
|-
|-
| 0x00b0 ||lane || which track you are in, 1-4 (0 means sand etc). luke says "when in the air" :s
| 0x0034 || timers || count down at start. 0x0034 starts at 5 counts down every 11 frames then 0024 starts to count down once per frame, when 0024 is at 2, it means go
|-
|-
| 0x0490/FF || sprites || track sprites, use for collision stuff
| 0x0090 || x pos || vertical position (out of context of game)
|-
|-
| 0x03E3 || motor temp. || starts at 08. stables at 17 when holding A. overheats at 32. running over "speedup" actually just resets your temp (kind of misleading...)
| 0x00B0 ||lane || which track you are in, 1-4 (0 means sand etc). luke says "when in the air" :s
|-
|-
| 0x03AC || heading (?) || 2=down, 1 moves towards the moter a little bit (how much?), 0 doesnt move towards the motor/on the motor/...
| 0x00F3 || speed || starting at 0, maxes at 46/47. pressing B gets you there faster (increments by 2, where A adds just one), but 47/49 seems the max speed. seems to be a cap somewhere, poking it higher doesnt give you more speed.
|-
|-
| 0x037C || status || 0:ok, 1:puddle, 2:top/bottom of track (1 and 2 = slowdown)
| 0x037C || status || 0:ok, 1:puddle, 2:top/bottom of track (1 and 2 = slowdown)
|-
|-
| 0x0627/C || score || (low nibbles make up score)
| 0x03AC || heading (?) || 2=down, 1 moves towards the moter a little bit (how much?), 0 doesnt move towards the motor/on the motor/...
|-
| 0x03D4 ||coord y || some kind of vert pos, not quite though
|-
|-
| 0x08f3 || speed || starting at 0, maxes at 46/47. pressing B gets you there faster (increments by 2, where A adds just one), but 47/49 seems the max speed. seems to be a cap somewhere, poking it higher doesnt give you more speed.
| 0x03E3 || motor temp. || starts at 08. stables at 17 when holding A. overheats at 32. running over "speedup" actually just resets your temp (kind of misleading...)
|-
|-
| 0x0090 || x pos || vertical position (out of context of game)
| 0x0408/F || timer || (f=low 8=high). counts 0 to 10 each
|-
|-
| 0x000E || moving || i think this is 1 when your standing still and are ready to go, 0 else
| 0x0490/FF || sprites || track sprites, use for collision stuff
|-
|-
| 0024 & 0034 || timers || count down at start. 0034 starts at 5 counts down every 11 frames then 0024 starts to count down once per frame, when 0024 is at 2, it means go (why 2?)
| 0x0627/C || score || (low nibbles make up score)
|}
|}


{{stub}}
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Revision as of 11:07, 24 August 2008

Chip tiny.png The following article is a RAM map for Excitebike (NES).

RAM Address Function Details
0x000E moving i think this is 1 when your standing still and are ready to go, 0 else
0x0024 timers count down at start. 0x0034 starts at 5 counts down every 11 frames then 0024 starts to count down once per frame, when 0024 is at 2, it means go
0x0034 timers count down at start. 0x0034 starts at 5 counts down every 11 frames then 0024 starts to count down once per frame, when 0024 is at 2, it means go
0x0090 x pos vertical position (out of context of game)
0x00B0 lane which track you are in, 1-4 (0 means sand etc). luke says "when in the air" :s
0x00F3 speed starting at 0, maxes at 46/47. pressing B gets you there faster (increments by 2, where A adds just one), but 47/49 seems the max speed. seems to be a cap somewhere, poking it higher doesnt give you more speed.
0x037C status 0:ok, 1:puddle, 2:top/bottom of track (1 and 2 = slowdown)
0x03AC heading (?) 2=down, 1 moves towards the moter a little bit (how much?), 0 doesnt move towards the motor/on the motor/...
0x03D4 coord y some kind of vert pos, not quite though
0x03E3 motor temp. starts at 08. stables at 17 when holding A. overheats at 32. running over "speedup" actually just resets your temp (kind of misleading...)
0x0408/F timer (f=low 8=high). counts 0 to 10 each
0x0490/FF sprites track sprites, use for collision stuff
0x0627/C score (low nibbles make up score)
So very stubbly.
This page is rather stubbly and could use some expansion.
Are you a bad enough dude to rescue this article?