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invader_music [2016/05/26 02:07] (current)
ex_writer created
Line 1: Line 1:
 +====== Space Invaders Sound Effect Snippet ======
  
 +<code z80>
 +; [...]
 +
 +        SYSSUK ​ BMUSIC ​         ; UPI Begin playing MUSIC
 +        DW      $4F12           ; ... Music Stack = 20242
 +        DB      $5C             ; ... Voices = 92
 +        DW      SCORE           ; ... Score Address = 9757
 +        ​
 +; [...]
 +
 +; Invader (or Bunker) EXPLOSION Music Score
 +SCORE: ​ MASTER ​ $35
 +        VOLUME ​ $AA,​$0A ​        ; VA = 10, VB = 10, VC= 10, NM = 0
 +        NOTE1   ​$01,​CS5
 +        VOLUME ​ $EE,​$0E ​        ; VA = 14, VB = 14, VC= 14, NM = 0
 +        NOTE1   ​$01,​$1E
 +        VOLUME ​ $DD,​$0D ​        ; VA = 13, VB = 13, VC= 13, NM = 0
 +        NOTE1   ​$01,​$19
 +        VOLUME ​ $BB,​$0B ​        ; VA = 11, VB = 11, VC= 11, NM = 0
 +        NOTE1   $01, D4
 +        VOLUME ​ $99,​$09 ​        ; VA = 9, VB = 9, VC= 9, NM = 0
 +        NOTE1   $01, G4
 +        VOLUME ​ $77,​$07 ​        ; VA = 7, VB = 7, VC= 7, NM = 0
 +        NOTE1   ​$01,​CS5
 +        VOLUME ​ $55,​$05 ​        ; VA = 5, VB = 5, VC= 5, NM = 0
 +        NOTE1   $01, G5
 +        VOLUME ​ $33,​$03 ​        ; VA = 3, VB = 3, VC= 3, NM = 0
 +        NOTE1   ​$01,​DS6
 +        VOLUME ​ $11,​$01 ​        ; VA = 1, VB = 1, VC= 1, NM = 0
 +        NOTE1   $03, G7
 +        QUIET
 +        ​
 +; [...]
 +</​code>​