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Castlevania (NES, Famicom Disk System)/RAM map: Difference between revisions
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{| border="1" cellpadding="1" | {| border="1" cellpadding="1" | ||
|'''RAM''' || '''Function''' || '''Details''' | |'''RAM''' || '''Function''' || '''Details''' | ||
|- | |||
|0x0004 || RNG || Changes seemingly randomly. | |||
|- | |||
|0x0007 || Title Bat Current sprite || May be used by something else. | |||
|- | |- | ||
|0x001A || Timer || Increments by 1 each frame. Resets each time you "change stage?" | |0x001A || Timer || Increments by 1 each frame. Resets each time you "change stage?" | ||
|- | |- | ||
|0x001E || Title Screen timer(time until | |0x001E || Title Screen timer (time until demo mode) || Counts slowly (each 8 frames) up to 11 (until castle bat becomes close), | ||
then (each frame) down from FF to 00. | |||
|- | |- | ||
|0x0022 || Paused || $01 = yes | |0x0022 || Paused || $01 = yes | ||
Revision as of 19:34, 11 February 2018
The following article is a RAM map for Castlevania (NES, Famicom Disk System).
 | This page is rather stubbly and could use some expansion. Are you a bad enough dude to rescue this article? |
| RAM | Function | Details |
| 0x0004 | RNG | Changes seemingly randomly. |
| 0x0007 | Title Bat Current sprite | May be used by something else. |
| 0x001A | Timer | Increments by 1 each frame. Resets each time you "change stage?" |
| 0x001E | Title Screen timer (time until demo mode) | Counts slowly (each 8 frames) up to 11 (until castle bat becomes close),
then (each frame) down from FF to 00. |
| 0x0022 | Paused | $01 = yes |
| 0x0028 | Current Stage | |
| 0x002A | Number of Lives | |
| 0x002E | Camera's X position | |
| 0x003E | Is Simon on stairs | $00 = yes, $01 = no |
| 0x003F | Simon's Y position (in level) | |
| 0x0040 | Simon's X position (in level) | |
| 0x0042 | 1's and 10's place of Time in BCD | |
| 0x0043 | 100's and 1000's place of Time in BCD | |
| 0x0044 | Life Meter (Graphic) | 2 bars = +$08, Max = $40(64) |
| 0x0045 | Life Meter (Actual) | 2 bars = +$08, Max = $40(64) |
| 0x0070 | Whip length | Set to $00, $01, or $02. |
| 0x0071 | Number of Hearts | $00 to $63 (99 in decimal). |
| 0x00F7 | Player 1 Controller | Similar to Metroid's 0x0014. |
| 0x0159 | Simon's current image
(unknown use : dosen't seem to affect gameplay) |
$00=standing,
$01-03 = walk, $04 = jump and crouch, $05-07 = whip/sub-weapon, $0D-0E = walk up stairs, $0F-10 = walk down stairs, $12 = hurt $1C = dead $1D = collapsing |
| 0x0160 | Simon's screen position (in room) | |
| 0x0162 | Simon's screen position (in room) | not 0x0160. |
| 0x038C | Simon's X position (in screen) | |
| 0x0390 | Enemy 1's X position (in screen) | |
| 0x0391 | Enemy 2's X position (in screen) | |
| 0x0392 | Enemy 3's X position (in screen) | |
| 0x0393 | Boss 1?'s X position (in screen) | |
| 0x0395 | Bat/Medusa Head 1's X position (in screen) | Is it only those two? |
| 0x0396 | Bat/Medusa Head 2's X position (in screen) | |
| 0x0397 | Bat/Medusa Head 3/Drac's Top Fireball's X position (in screen) | |
| 0x0398 | Bat/Medusa Head 4/Drac's Middle Fireball's X position (in screen) | |
| 0x0399 | Bat/Medusa Head 5/Drac's Bottom Fireball's X position (in screen) | |
| 0x03A0 | Sub-weapon 1's X position (in screen) | |
| 0x0450 | Direction Simon looks | $00 = right, $01 = left |
| 0x0584 | Simon's state | $00 = standing, $01 = going right, $02 = going left, etc. |
Internal Data for Castlevania
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