Musique rythmée :)

dino.asm

@@ -1,5 +1,5 @@
 SCR_HEIGHT = 8
-WORLD_LENGTH = 48
+WORLD_LENGTH = 44
 DIFF_LEVELS = 20
 .IFNDEF ALONE
     .def ALONE = 1 ; standalone version
@@ -24,6 +24,7 @@ swap_table=$0600    ; table for swap bytes in left characters :)
     .zpvar JumpPhase        .byte
     .zpvar Hit              .byte
     .zpvar Level            .byte
+    .zpvar PaddleState      .byte
     .zpvar play_flag        .byte
     .zpvar NTSCounter       .byte
 ;---------------------------------------------------
@@ -132,6 +133,8 @@ FirstSTART
         mva #$ff portb
         ; and wait one frame :)
         waitRTC                   ; or waitRTC ?
+    jsr Check2button    ; reset JoyB2+ state
+    sta PaddleState
     jsr ClearScreen
     jsr GenerateCharsets
     jsr GenerateClouds
@@ -407,7 +410,7 @@ SwapLoop
 .endp
 ;-----------------------------------------------
 .proc ClearScreen
-    ldy #44 ; visible screen len
+    ldy #WORLD_LENGTH ; visible screen len
     lda #0
 ClearLoop
     ;sta screen+$0700,y
@@ -443,7 +446,7 @@ NothingToDraw
     jsr ClearScreen
     ldx #0  ; start position (world)
     stx temp_b
-    lda #42 ; start position (screen)
+    lda #WORLD_LENGTH-1 ; start position (screen)
     sta temp_b2
 ToScreenLoop
     lda WorldTable,x
@@ -452,10 +455,9 @@ ToScreenLoop
     ldx temp_b2
     jsr ShowObjectL
 NothingToDraw
-    dec temp_b2
     inc:ldx temp_b
-    cpx #WORLD_LENGTH
-    bne ToScreenLoop
+    dec temp_b2
+    bpl ToScreenLoop
     rts
 .endp
 ;-----------------------------------------------
@@ -1080,6 +1082,8 @@ DinoLoop4
     beq Up
     lda TRIG0   ; Fire = Up
     beq Up
+    jsr Check2button    ; 2nd button = down
+    bcc Down
     ; check keyboard
     lda SKSTAT
     cmp #$f7    ; SHIFT
@@ -1327,6 +1331,13 @@ pressed
     rts   
 .endp
 ;--------------------------------------------------
+Check2button
+    lda PADDL0
+    and #$c0
+    eor #$C0
+    cmp PaddleState
+    rts
+;--------------------------------------------------
 .proc PrepareMusicPlayer
     jsr StopMusic
     VMAIN VBLinterrupt,7       ; jsr SetVBL
@@ -1413,9 +1424,11 @@ screen
     .align $100
 MUSIC1_DATA
     ins 'music/InGame.lzss'  ; ingame music
+    .ds 1
 MUSIC1_DATA_END
     .align $100
 MUSIC2_DATA
     ins 'music/GameOver.lzss'    ; game over music
+    .ds 1
 MUSIC2_DATA_END
     run FirstSTART