junglejourney

changeset 219:02610f059ac0

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Ensured that writable sound data is stored in RAM.
author David Boddie <david@boddie.org.uk>
date Tue Oct 18 00:04:04 2011 +0200
parents 958f6c30e575
children f25989daa9f9
files build.py loader.oph mapcode.oph
diffstat 3 files changed, 17 insertions(+), 6 deletions(-) [+]
line diff
     1.1 --- a/build.py	Mon Oct 17 23:05:31 2011 +0200
     1.2 +++ b/build.py	Tue Oct 18 00:04:04 2011 +0200
     1.3 @@ -179,7 +179,7 @@
     1.4      #        1 * 0x60 (tree)
     1.5      #        1 * 0x60 (tree))
     1.6      #
     1.7 -    # 5760 space
     1.8 +    # 5760 note data (8 bytes)
     1.9      #
    1.10      # 577E joystick support (0=off; 1=on)
    1.11      # 577F weapon counter (0=fire one subtile below; 1=fire two subtiles below)

     2.1 --- a/loader.oph	Mon Oct 17 23:05:31 2011 +0200
     2.2 +++ b/loader.oph	Tue Oct 18 00:04:04 2011 +0200
     2.3 @@ -117,8 +117,8 @@
     2.4  code_block: .byte <code_file_name, >code_file_name
     2.5                 .byte $00, $1e, 0, 0
     2.6                 .byte $00, $1e, 0, 0
     2.7 -               .byte $35, $20, 0, 0
     2.8 -               .byte $35, $3e, 0, 0
     2.9 +               .byte $40, $20, 0, 0
    2.10 +               .byte $40, $3e, 0, 0
    2.11  
    2.12  init_load_window_vdu_bytes: .byte 28,0,30,19,27
    2.13  

     3.1 --- a/mapcode.oph	Mon Oct 17 23:05:31 2011 +0200
     3.2 +++ b/mapcode.oph	Tue Oct 18 00:04:04 2011 +0200
     3.3 @@ -4254,11 +4254,12 @@
     3.4  damage_sound:    .byte 1,0, 2,0, 40,0, 4,0
     3.5  item_sound:      .byte $13,0, 3,0, 32,0, 3,0
     3.6  key_sound:       .byte $13,0, 4,0, 50,0, 5,0
     3.7 -note_sound:      .byte $13,0, 241,255
     3.8 -note_pitch:      .byte 0,0
     3.9 -note_duration:   .byte 4,0
    3.10  emerge_sound:    .byte 2,0, 3,0, 0,0, 2,0
    3.11  
    3.12 +.alias note_sound $5760
    3.13 +.alias note_pitch $5764
    3.14 +.alias note_duration $5766
    3.15 +
    3.16  play_note:      ; A=pitch, Y=duration
    3.17  
    3.18      sta note_pitch
    3.19 @@ -4340,6 +4341,14 @@
    3.20      jmp copy_title  ; optimise away the rts
    3.21  
    3.22  init:
    3.23 +    ; Set up note data.
    3.24 +    ldx #7
    3.25 +    set_up_note_loop:
    3.26 +        lda note_data,x
    3.27 +        sta $5760,x
    3.28 +        dex
    3.29 +        bpl set_up_note_loop
    3.30 +
    3.31      jsr cls     ; clear the text window
    3.32  
    3.33      lda #26     ; unset the text window
    3.34 @@ -4398,6 +4407,8 @@
    3.35  
    3.36      rts
    3.37  
    3.38 +note_data: .byte $13,0, 241,255, 0,0, 4,0
    3.39 +
    3.40  high_score_default_name1: .byte "RETRO    "
    3.41  high_score_default_name2: .byte " SOFTWARE"
    3.42