1.1 --- a/build.py	Sat Sep 17 22:37:45 2011 +0200
     1.2 +++ b/build.py	Sat Sep 17 22:57:57 2011 +0200
     1.3 @@ -114,6 +114,7 @@
     1.4      #
     1.5      # 5760 space
     1.6      #
     1.7 +    # 577F weapon counter (0=fire one subtile below; 1=fire two subtiles below)
     1.8      # 5780 item/player flags (128=leave level, 64=player demise,
     1.9      #                         bits 4,5,6=enemy limit, 2=complete game,
    1.10      #                         1=has key)

     2.1 --- a/loader.oph	Sat Sep 17 22:37:45 2011 +0200
     2.2 +++ b/loader.oph	Sat Sep 17 22:57:57 2011 +0200
     2.3 @@ -94,8 +94,8 @@
     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 $95, $1f, 0, 0
     2.8 -               .byte $95, $3d, 0, 0
     2.9 +               .byte $a0, $1f, 0, 0
    2.10 +               .byte $a0, $3d, 0, 0
    2.11  
    2.12  init_load_window_vdu_bytes: .byte 28,0,29,19,24
    2.13  

     3.1 --- a/mapcode.oph	Sat Sep 17 22:37:45 2011 +0200
     3.2 +++ b/mapcode.oph	Sat Sep 17 22:57:57 2011 +0200
     3.3 @@ -2179,21 +2179,22 @@
     3.4      ora $5789       ; apply the projectile type
     3.5      sta $5287
     3.6  
     3.7 -    lda $5283       ; if dy > 2, create the projectile on the tile below
     3.8 -    cmp #3
     3.9 +    lda $5283       ; player dy
    3.10 +    adc $577f       ; add the weapon counter
    3.11 +    adc #1
    3.12 +    cmp #4          ; if dy > 3, create the projectile on the tile below
    3.13      bpl create_projectile_below
    3.14  
    3.15      clc
    3.16 -    adc #1
    3.17 -    sta $5289       ; dy + 1
    3.18 +    sta $5289       ; dy + weapon counter + 1
    3.19      lda $5282       ; y
    3.20      sta $5288
    3.21      jmp create_projectile_continue
    3.22  
    3.23      create_projectile_below:
    3.24      sec
    3.25 -    sbc #3
    3.26 -    sta $5289       ; dy - 3
    3.27 +    sbc #4
    3.28 +    sta $5289       ; dy + weapon counter + 1 - 4
    3.29      clc
    3.30      lda $5282       ; y
    3.31      adc #1
    3.32 @@ -2206,11 +2207,14 @@
    3.33      lda $5285       ; dx
    3.34      sta $528b
    3.35  
    3.36 -    lda #$86
    3.37 -    sta $74
    3.38 -    lda #$52
    3.39 -    sta $75
    3.40 -    jsr plot_character
    3.41 +    lda $577f       ; toggle the weapon counter
    3.42 +    eor #1
    3.43 +    sta $577f
    3.44 +
    3.45 +    ; Move the projectile away from the player.
    3.46 +
    3.47 +    jsr move_projectile_after_unplot
    3.48 +    jsr move_projectile
    3.49  
    3.50      clc
    3.51      rts
    3.52 @@ -3288,6 +3292,8 @@
    3.53      sta $75
    3.54      jsr unplot_character
    3.55  
    3.56 +    move_projectile_after_unplot:
    3.57 +
    3.58      lda $5287
    3.59      and #$30            ; direction
    3.60  
    3.61 @@ -5280,6 +5286,10 @@
    3.62  
    3.63      jsr reset_player_position
    3.64  
    3.65 +    ; Reset the weapon counter.
    3.66 +    lda #0
    3.67 +    sta $577f
    3.68 +
    3.69      ; Fill the treasure table with objects.
    3.70      ldx $578a   ; level
    3.71      lda key_rooms,x