Add toggle.

src/constants.asm

@@ -40,14 +40,20 @@ CHARMAP "Y", 100
 CHARMAP "Z", 101
 CHARMAP "!", 102
 CHARMAP "?", 103
+CHARMAP "[", 129
+CHARMAP "]", 130
+CHARMAP "/", 128
+CHARMAP "-", 127
+CHARMAP "|", 126
+CHARMAP "#", 125
 
 
 SECTION "Static Data", ROM0
 sLeady::     db "  READY?  "
 sGo::        db "    GO    "
 sGameOver::  db "GAME OVER!"
-sGameOver2:: db " RETRY  A "
-sGameOver3:: db " QUIT   B "
+sGameOver2:: db " RETRY[A] "
+sGameOver3:: db " QUIT [B] "
 sPieceXOffsets::    ; How to draw each piece. X-offsets of the sprites.
     db 0, 8, 16, 24 ; I
     db 0, 8, 8, 16  ; Z

src/include/globals.asm

@@ -91,12 +91,16 @@ DEF PALETTE_LIGHTER_0   EQU %11100100
 DEF PALETTE_LIGHTER_1   EQU %10010000
 DEF PALETTE_LIGHTER_2   EQU %01000000
 DEF PALETTE_LIGHTER_3   EQU %00000000
+DEF TITLE_A             EQU $99ED
+DEF TITLE_B             EQU $99EF
 DEF FIELD_TOP_LEFT      EQU $9800+1
 DEF TILE_FIELD_EMPTY    EQU 4
 DEF TILE_PIECE_0        EQU 10
 DEF TILE_0              EQU 66
 DEF TILE_CLEARING       EQU 124
 DEF TILE_GHOST          EQU 125
+DEF TILE_A              EQU 76
+DEF TILE_B              EQU 77
 DEF NEXT_BASE_X         EQU 120
 DEF NEXT_BASE_Y         EQU 40
 DEF HOLD_BASE_X         EQU 120

src/sprites.asm

@@ -53,7 +53,7 @@ OAMDMA::
         ldh a, [hGameState]
         cp a, b
         jp nz, BlitField
-        jp EventLoop
+        jp TitleVBlankHandler
     ENDL
 OAMDMAEnd::
 

src/state_gameplay.asm

@@ -191,7 +191,7 @@ fetchPieceMode:
 .cp1
     cp a, 0
     jr z, .checkIRSB
-    ld a, 1
+    ld a, 3
     ldh [hCurrentPieceRotationState], a
     ld a, SFX_IRS
     call SFXEnqueue
@@ -202,13 +202,13 @@ fetchPieceMode:
     jr z, .ldb2
 .lda2
     ld a, [hAState]
-    jr .cp1
+    jr .cp2
 .ldb2
     ld a, [hBState]
 .cp2
     cp a, 0
     jr z, .checkJingle
-    ld a, 3
+    ld a, 1
     ldh [hCurrentPieceRotationState], a
     ld a, SFX_IRS
     call SFXEnqueue
@@ -359,19 +359,35 @@ DoHold:
     ; Check if IRS is requested.
     ; Apply the rotation if so.
 .checkIRSHA
+    ld a, [hSwapAB]
+    cp a, 0
+    jr z, .lda3
+.ldb3
+    ld a, [hBState]
+    jr .cp3
+.lda3
     ld a, [hAState]
+.cp3
     cp a, 0
     jr z, .checkIRSHB
-    ld a, 1
+    ld a, 3
     ldh [hCurrentPieceRotationState], a
     ld a, SFX_IRS
     call SFXEnqueue
 
 .checkIRSHB
+    ld a, [hSwapAB]
+    cp a, 0
+    jr z, .ldb4
+.lda4
+    ld a, [hAState]
+    jr .cp4
+.ldb4
     ld a, [hBState]
+.cp4
     cp a, 0
     jr z, .noRotation
-    ld a, 3
+    ld a, 1
     ldh [hCurrentPieceRotationState], a
     ld a, SFX_IRS
     call SFXEnqueue

src/state_title.asm

@@ -46,6 +46,7 @@ SwitchToTitle::
 
 
 TitleEventLoopHandler::
+    ; Start game?
     ldh a, [hStartState]
     ld b, a
     ldh a, [hAState]
@@ -54,9 +55,58 @@ TitleEventLoopHandler::
     or a, b
     or a, c
     cp a, 1
-    jp nz, EventLoopPostHandler
+    jr nz, :+
     call SwitchToGameplay
     jp EventLoopPostHandler
 
+    ; Toggle A/B?
+:   ldh a, [hLeftState]
+    ld b, a
+    ldh a, [hRightState]
+    or a, b
+    cp a, 1
+    jr nz, :+
+    ldh a, [hSwapAB]
+    cpl
+    ldh [hSwapAB], a
+    jp EventLoopPostHandler
+
+    ; Start level up?
+:   ldh a, [hUpState]
+    cp a, 1
+    jr nz, :+
+    ; TODO
+    jp EventLoopPostHandler
+
+    ; Start level down?
+:   ldh a, [hDownState]
+    cp a, 1
+    jr nz, :+
+    ; TODO
+:    jp EventLoopPostHandler
+
+
+TitleVBlankHandler::
+    ldh a, [hSwapAB]
+    cp a, 0
+    jr nz, :+
+    ld hl, TITLE_A
+    ld a, TILE_A
+    ld [hl+], a
+    inc hl
+    inc a
+    ld [hl], a
+    wait_vblank_end
+    jp EventLoop
+
+:   ld hl, TITLE_A
+    ld a, TILE_B
+    ld [hl+], a
+    inc hl
+    dec a
+    ld [hl], a
+    wait_vblank_end
+    jp EventLoop
+
 
 ENDC

tools/Emulicious.ini

@@ -1,5 +1,5 @@
 #Emulicious settings file
-#Sat Oct 21 14:06:55 CEST 2023
+#Sat Oct 21 14:31:03 CEST 2023
 WindowProfilerWindowOpen=false
 WindowEventViewerWindowHeight=1416
 WindowEventViewerWindowDivider=876
@@ -7,7 +7,7 @@ WindowMemoryTracerWindowY=631
 WindowMemoryTracerWindowX=383
 Update=2
 AudioSync=false
-DebuggerMemoryTabVisibleRect=0,0,687,128
+DebuggerMemoryTabVisibleRect=0,0,0,0
 WindowProfilerWindowWidth=1073
 UninitializedMemoryBreakpointSuspend=true
 GameBoyErrorBreakpointEnabled32=false
@@ -92,7 +92,7 @@ GameBoyErrorBreakpointSuspend2=true
 GameBoyErrorBreakpointSuspend1=true
 GameBoyErrorBreakpointSuspend0=true
 DebuggerConsoleLogBreakpoints=true
-WindowDebuggerOpen=true
+WindowDebuggerOpen=false
 Gamepad1Key37=-1
 Gamepad1Key36=-1
 Gamepad1Key35=-1
@@ -271,8 +271,8 @@ Gamepad0Key3=-1
 Gamepad0Key2=-1
 Gamepad0Key1=-1
 Gamepad0Key0=-1
-WindowDebuggerY=-8
-WindowDebuggerX=-8
+WindowDebuggerY=544
+WindowDebuggerX=210
 InterruptBreakpointSuspend=true
 SMSGamepadAKeyboard=false
 GameBoyErrorBreakpointSuspend32=true