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Ninja Gaiden (NES)/RAM map
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The following article is a RAM map for Ninja Gaiden (NES).
| RAM | Function | Detail |
| 0x001c | Current name table | |
| 0x001e | Paused | $0x00=$0x80 = yes |
| 0x0056 | Current Pattern Table 1 | |
| 0x0059 | Current Pattern Table 2 | |
| 0x0060 | Score | adds x*100 |
| 0x0061 | Score | adds x*25600 |
| 0x0062 | Ms timer, counts down from 60 (0x3c) to 0 | |
| 0x0063 | timer | |
| 0x0064 | Ninja power | |
| 0x0065 | Player HP | maximum is $0x10 |
| 0x0066 | Boss HP display | maximum is $0x10 |
| 0x006D | area (internal value) | |
| 0x0076 | Lives | |
| 0x0080 | Player state | |
| 0x0081 | Frame counter | |
| 0x0082 | Frame counter 2 | |
| 0x0083 | Player frame | |
| 0x0084 | Player sprite flags | flipping, layer, etc |
| 0x0085 | ? | Some kind of player x speed, position or scroll thing |
| 0x0086 | Player x position (on screen) | This will stay at 0x80 when not near screen edges |
| 0x0087 | ? | some kind of player y speed or gravity thing |
| 0x0089 | Player y speed | |
| 0x008a | Player y position | |
| 0x008c | In air | 0x00 = in air 0x10 = on ground |
| 0x0090 | Player hit box top | |
| 0x0095 | Player invincible time | |
| 0x00a3 | Player x position in stage (scroll) | |
| 0x00bf | Counter | counts up |
| 0x00c8 | Sp weapons active (first 3 bits) | |
| 0x00c9 | Current special weapon | 81 = small stars |
| 0x00ca | Weapon graphics | |
| 0x00e6-0x00e7 | holds pointer to current text string printing on cut scenes and ending | |
| 0x00f4 | ? | Some kind of music tone thing |
| 0x0314 | Current character index printing for current text | |
| 0x03c7 | current character being printed | |
| 0x0400-0x0407 | Enemy type | |
| 0x0410- | Enemy state | |
| 0x0450- | Enemy x speed | |
| 0x0460-0x0467 | Enemy x position | |
| 0x0470- | Enemy y speed | |
| 0x0480-0x0487 | Enemy y position | |
| 0x0490-0497 | Enemy HP | |
| 0x04b8 | Level end state | c0=start of countdown, 80 = middle of countdown, 00=countdown over |
| 0x04bb | Sp1 x position | |
| 0x04bc | Sp2 x position | |
| 0x04bd | Sp3 x position | |
| 0x04be | Sp1 y position | |
| 0x04bf | Sp2 y position | |
| 0x04c0 | Sp3 y position | |
| 0x04c1 | Sp1 x speed | |
| 0x04c2 | Sp2 x speed | |
| 0x04c3 | Sp3 x speed | |
| 0x04c4 | Sp1 y speed | |
| 0x04c5 | Sp2 y speed | |
| 0x04c6 | Sp3 y speed | |
| 0x060a | start of music channel data stuff |
 | This page is rather stubbly and could use some expansion. Are you a bad enough dude to rescue this article? |
Internal Data for Ninja Gaiden
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