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Gradius (NES)/RAM map: Difference between revisions

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{| border="1" cellpadding="1"
{| border="1" cellpadding="1"
|'''RAM'''  || '''Purpose'''
|'''RAM'''  || '''Function''' || '''Details'''
|-
|-
|0007 || Key Pressed
|0x0007 || Key Pressed ||
|-
|-
|0015 || 00 = Unpaused, 01 = Paused
|0x000F || Title screen cursor position ||
|-
|-
|0020 || Lives
|0x0015 || Pause Boolean || $00 = Unpaused, $01 = Paused
|-
|-
|0040 || Speed
|0x0020 || Lives ||
|-
|-
|0041 || Missiles enabled
|0x0040 || Speed ||
|-
|-
|0042 || Power up bar location
|0x0041 || Missiles enabled ||
|-
|-
|0044 || Weapon; 00 = Normal, 01 = Laser, 02 = Double
|0x0042 || Power up bar location ||
|-
|-
|0045 || Number of Options (02 max, any other number causes glitches)
|0x0044 || Weapon || $00 = Normal, $01 = Laser, $02 = Double
|-
|-
|0046 || Shield Strength
|0x0045 || Number of Options || Keep <= $02. Any other number causes glitches.
|-
|-
|07A0-07B7 || Horizontal Location of Vic Viper from Least to Most Recent
|0x0046 || Shield Strength ||
|-
|-
|07B0-07C7 || Vertical Location of Vic Viper Least to Most Recent
|0x004C || Time before screen transition. ||
|-
|-
|07E4 || Low Digit of High Score
|0x0060 || enemy load? || $02  when enemies is being loaded and goes to $00 when you died
|-
|-
|07E5 || Middle Digit of High Score
|0x0100 || determines Vic Viper's status... || $01 = alive, $02 = dead.
|-
|-
|07E6 || High Digit of High Score
|0x07A0-0x07B7 || Horizontal Location of Vic Viper || From Least to Most Recent
|-
|0x07B0-0x07C7 || Vertical Location of Vic Viper || From Least to Most Recent
|-
|0x07E4 || Low Digit of High Score
|-
|0x07E5 || Middle Digit of High Score
|-
|0x07E6 || High Digit of High Score
|}
|}


{{stub}}
{{Internal Data|game=Gradius}}

Latest revision as of 20:41, 28 January 2024

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

RAM Function Details
0x0007 Key Pressed
0x000F Title screen cursor position
0x0015 Pause Boolean $00 = Unpaused, $01 = Paused
0x0020 Lives
0x0040 Speed
0x0041 Missiles enabled
0x0042 Power up bar location
0x0044 Weapon $00 = Normal, $01 = Laser, $02 = Double
0x0045 Number of Options Keep <= $02. Any other number causes glitches.
0x0046 Shield Strength
0x004C Time before screen transition.
0x0060 enemy load? $02 when enemies is being loaded and goes to $00 when you died
0x0100 determines Vic Viper's status... $01 = alive, $02 = dead.
0x07A0-0x07B7 Horizontal Location of Vic Viper From Least to Most Recent
0x07B0-0x07C7 Vertical Location of Vic Viper From Least to Most Recent
0x07E4 Low Digit of High Score
0x07E5 Middle Digit of High Score
0x07E6 High Digit of High Score
Internal Data for Gradius
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