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Life Force/RAM map: Difference between revisions

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(Enemy X/Y Positions)
 
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{{rammap}}
==Table==
==Table==


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|- style=background:#ccccff
|- style=background:#ccccff
!'''RAM'''  || '''Information'''
!'''RAM'''  || '''Information'''
|-
|0x0023 || Demo Stage Num?
|-
|0x0030 || ??? (Linked to stage, music theme?)
|-
|-
|0x0034 || P1 Lives
|0x0034 || P1 Lives
|-
|-
|0x0035 || P2 Lives
|0x0035 || P2 Lives
|-
|0x0040 || Is Stage Vertical?  (boolean)
|-
|-
|0x0070 || P1 Status
|0x0070 || P1 Status
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* 05 - Dead (gone)
* 05 - Dead (gone)
* 06 - Game Over (out of lives)
* 06 - Game Over (out of lives)
* 07 - Flying out (no control; end of stage)
|-
|-
|0x0071      || P2 Status (same values as P1)
|0x0071      || P2 Status (same values as P1)
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|0x007F || P2 Ship Flashing Counter
|0x007F || P2 Ship Flashing Counter
|-
|-
|0x0080 || P1 Speed (up to 6)
|0x0080 || P1 Speed (up to 10)
|-
|-
|0x0081 || P2 Speed
|0x0081 || P2 Speed
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|-
|-
|0x008B || P2 Options
|0x008B || P2 Options
|-
|0x0096-0x009D || Bullet ??? (affects the type and flight path?) (8 total slots, which match other "Bullet" memory offsets)
|-
|0x00BE-0x00C5 || Bullet Speed
|-
|0x00D6-0x00DD || Bullet ???
|-
|0x0304-0x030B || Bullet sprite number for animations
|-
|0x030C-0x030D || Option sprite number for animations
|-
|0x0311-0x0320 || Enemy sprite numbers for animations (16 total slots, which match other "Enemy" memory offsets)
|-
|0x0325-0x032C || Bullet Y Positions
|-
|0x032D-0x032E || Option Y Positions
|-
|-
|0x032F || P1 Y Position (unsigned, 24 to 197)
|0x032F || P1 Y Position (unsigned, 24 to 197)
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|-
|-
|0x0333-0x0341 || Enemy Y Positions
|0x0333-0x0341 || Enemy Y Positions
|-
|0x0346-0x034D || Bullet X Positions
|-
|0x034E-0x034F || Option X Positions
|-
|-
|0x0350 || P1 X Position (unsigned, 15 to 232)
|0x0350 || P1 X Position (unsigned, 15 to 232)
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|-
|-
|0x0354-0x0362 || Enemy X Positions
|0x0354-0x0362 || Enemy X Positions
|-
|0x0374-0x0383 || Enemy palette scheme (01-04)
|-
|0x0385-0x0394 || Enemy status
* 00 - No enemy
* 01 - ???
* 02/03/04 - Flight patterns
* 05 - One frame from dying
* 06 - Dying (explosion)
* 07 - One frame from removal
|-
|0x0396-0x03A5 || Enemy ??? (00 and 80)
|-
|0x03A7-0x03B6 || Enemy ??? (00 and 80)
|-
|0x03B8-0x03C7 || Enemy ??? (flight related?)
|-
|0x03C9-0x03D8 || Enemy flight path (00 = straight, 80 = down-left, might have upper limit)
|-
|0x03DA-0x03E9 || Enemy speed (signed; negative goes backwards)
|-
|0x03EB-0x03FA || Enemy ???
|-
|0x03FC-0x040B || Enemy sprite offset?
|-
|0x040D-0x041C || Enemy timer of some sort?
|-
|-
|0x07E4 || P1 Low Digits Score (hex value = literal decimal digits 5-6 in score, ie: 0x45 = 45 display in score, last digit 7 always 0)
|0x07E4 || P1 Low Digits Score (hex value = literal decimal digits 5-6 in score, ie: 0x45 = 45 display in score, last digit 7 always 0)
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0x07:C345 Death (decrement life)
0x07:C345 Death (decrement life)
{{Internal Data}}

Latest revision as of 14:32, 24 January 2024

Chip tiny.png The following article is a RAM map for Life Force.

Table

RAM Information
0x0023 Demo Stage Num?
0x0030 ??? (Linked to stage, music theme?)
0x0034 P1 Lives
0x0035 P2 Lives
0x0040 Is Stage Vertical? (boolean)
0x0070 P1 Status
  • 00 - Not playing
  • 01 - About to start
  • 02 - Flying in (no control)
  • 03 - Player control
  • 04 - Dying (explosion)
  • 05 - Dead (gone)
  • 06 - Game Over (out of lives)
  • 07 - Flying out (no control; end of stage)
0x0071 P2 Status (same values as P1)
0x0076 P1 Weapon
  • 00 - Normal
  • 01 - Ripple
  • 02 - Laser
0x0077 P2 Weapon (same values as P1)
0x0078 P1 Power Bar location (1=speed, 2=missile, etc)
0x0079 P2 Power Bar location
0x007A P1 Movement Counter??
0x007B P2 Movement Counter??
0x007E P1 Ship Flashing Counter
0x007F P2 Ship Flashing Counter
0x0080 P1 Speed (up to 10)
0x0081 P2 Speed
0x0082 P1 Shield Strength (starts at 5 hits)
0x0083 P2 Shield Strength
0x0084 P1 Frames of Invulnerability (starts at 128 when flying in)
0x0085 P2 Frames of Invulnerability
0x0086 P1 Missiles (two speeds)
0x0087 P2 Missiles
0x008A P1 Options (up to 2)
0x008B P2 Options
0x0096-0x009D Bullet ??? (affects the type and flight path?) (8 total slots, which match other "Bullet" memory offsets)
0x00BE-0x00C5 Bullet Speed
0x00D6-0x00DD Bullet ???
0x0304-0x030B Bullet sprite number for animations
0x030C-0x030D Option sprite number for animations
0x0311-0x0320 Enemy sprite numbers for animations (16 total slots, which match other "Enemy" memory offsets)
0x0325-0x032C Bullet Y Positions
0x032D-0x032E Option Y Positions
0x032F P1 Y Position (unsigned, 24 to 197)
0x0330 P2 Y Position
0x0333-0x0341 Enemy Y Positions
0x0346-0x034D Bullet X Positions
0x034E-0x034F Option X Positions
0x0350 P1 X Position (unsigned, 15 to 232)
0x0351 P2 X Position
0x0354-0x0362 Enemy X Positions
0x0374-0x0383 Enemy palette scheme (01-04)
0x0385-0x0394 Enemy status
  • 00 - No enemy
  • 01 - ???
  • 02/03/04 - Flight patterns
  • 05 - One frame from dying
  • 06 - Dying (explosion)
  • 07 - One frame from removal
0x0396-0x03A5 Enemy ??? (00 and 80)
0x03A7-0x03B6 Enemy ??? (00 and 80)
0x03B8-0x03C7 Enemy ??? (flight related?)
0x03C9-0x03D8 Enemy flight path (00 = straight, 80 = down-left, might have upper limit)
0x03DA-0x03E9 Enemy speed (signed; negative goes backwards)
0x03EB-0x03FA Enemy ???
0x03FC-0x040B Enemy sprite offset?
0x040D-0x041C Enemy timer of some sort?
0x07E4 P1 Low Digits Score (hex value = literal decimal digits 5-6 in score, ie: 0x45 = 45 display in score, last digit 7 always 0)
0x07E5 P1 Mid Digits Score
0x07E6 P1 High Digits Score
0x07E8 P2 Low Digits Score
0x07E9 P2 Mid Digits Score
0x07EA P2 High Digits Score

Functions

0x07:C345 Death (decrement life)

Internal Data for Life Force
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