It works!

game.asm

@@ -402,7 +402,6 @@ ManualShooting
     lda #%00000000
     sta TestFlightFlag    ; set "Test Fight" off
     jsr BeforeFire
-    mva #$00 FastKeyRead
     bit escFlag
     spl:rts        ; keys Esc or O
 

scorch.asm

@@ -54,9 +54,8 @@ AdditionalZPvariables = $20
     .zpvar MeteorsRound     .byte  ; set 7th bit - block meteors in round
     
 
-FirstZpageVariable = $4f
+FirstZpageVariable = $50
     .zpvar DliColorBack     .byte = FirstZpageVariable
-    .zpvar FastKeyRead      .byte ; 0 - GetKey wait for any key (and generates SFX), $ff - fast GetKey
     .zpvar ClearSky         .byte  ; $ff - Crear sky during drawmountains, 0 - no clear sky
     .zpvar PaddleState      .byte  ; old state 2nd button for 2 buttons joysticks
     .zpvar GradientNr       .byte
@@ -405,7 +404,7 @@ NoRMT_PALchange
     sta JoystickNumber
     .IF TARGET = 800           ; second joy button state update only on A800
       jsr WaitOneFrame         ; is necessary for update shadow registers (PADDL0) in VBI
-      jmp GetKey.Check2button  ; update state second joy button
+      jmp GetKeyFast.Check2button  ; update state second joy button
     .ELSE
       rts
     .ENDIF
@@ -419,6 +418,21 @@ NoRMT_PALchange
 ;--------------------------------------------------
     jsr WaitForKeyRelease
 getKeyAfterWait
+    jsr GetKeyFast
+    cmp #@kbcode._none
+    beq getKeyAfterWait
+    ldy #0
+    sty ATRACT                 ; reset atract mode
+    mvy #sfx_keyclick sfx_effect
+    rts
+.endp
+
+;--------------------------------------------------
+.proc GetKeyFast
+; returns pressed value in A - no waits for press
+; when [ESC] is pressed, escFlag is set
+; result: A=keycode ($ff - no key pressed)
+;--------------------------------------------------
     .IF TARGET = 800
       lda SKSTAT
       cmp #$ff
@@ -471,8 +485,6 @@ checkSelectKey
       lda CONSOL
       and #%00000100           ; Option
     .ENDIF
-    bit FastKeyRead
-    bpl getKeyAfterWait
     lda #@kbcode._none
     bne getkeyend
 OptionPressed
@@ -485,12 +497,8 @@ SelectPressed
 JoyButton
     lda #@kbcode._ret          ; Return key
 getkeyend
-    ldy #0
+    rts
-    sty ATRACT                 ; reset atract mode
+; ----
-    bit FastKeyRead
-    bmi @+
-    mvy #sfx_keyclick sfx_effect
-@   rts
     .IF TARGET = 800           ; Second joy button only on A800
 Check2button
     lda PADDL0

scorchC64.asm

@@ -253,8 +253,18 @@ StartAfterSplash
 ; result: A=keycode
 ;--------------------------------------------------
     jsr WaitForKeyRelease
-    lda #0
+    jsr GetKeyFast
-    sta escFlag
+    ldy #0
+    sty escFlag
+    rts
+.endp
+
+;--------------------------------------------------
+.proc GetKeyFast
+; returns pressed value in A - no wait for press
+; when [ESC] is pressed, escFlag is set
+; result: A=keycode 
+;--------------------------------------------------
     lda #$ff
     rts
 .endp

weapons.asm

@@ -1220,12 +1220,9 @@ ContinueToCheckMaxForce2
 ;  $f3 - shift+key
 
 notpressed
-    mva #$00 FastKeyRead
-
     jsr CheckExitKeys    ; Check for O, Esc or Start+Option keys
     spl:rts ; exit if pressed 'Exit keys'
 
-    mva #$ff FastKeyRead
     ldx TankNr    ; for optimize
     ; Select and Option
     lda CONSOL
@@ -1235,7 +1232,7 @@ notpressed
     tya
     and #%00000010
     jeq pressedTAB    ; Select key
-    jsr GetKey.getKeyAfterWait
+    jsr GetKeyFast
     and #%10111111 ; SHIFT elimination
     
     cmp #@kbcode._A  ; $3f  ; A
@@ -1243,7 +1240,6 @@ notpressed
 callActivation
     ; Hide all tanks - after inventory they may have other shapes
     jsr ClearTanks
-    mva #$00 FastKeyRead
     jsr DefensivesActivate
     jmp afterInventory
 
@@ -1255,7 +1251,6 @@ callInventory
     jsr ClearTanks
     ;
     mva #$ff isInventory
-    mva #$00 FastKeyRead
     jsr Purchase
 afterInventory
     jsr MakeDarkScreen
@@ -2734,7 +2729,7 @@ notpressed
     jsr DrawTankEngine
     ; enimation ends
 
-    jsr GetKey.getKeyAfterWait
+    jsr GetKeyFast
     cmp #@kbcode._left  ; $6
     jeq pressedLeft
     cmp #@kbcode._right  ; $7