add some cheats

res/GAMES.CONF

@@ -36,7 +36,7 @@
 0000,ANKH=Ankh
 0000,APE.ESCAPE=Ape Escape
 0001,AC=Apple Cider Spider
-1000,APPLE.INVADER=Apple Invader
+1001,APPLE.INVADER=Apple Invader
 0001,APPLE.PANIC=Apple Panic
 1001,AO=Apple-Oids
 0001,AQUATRON=Aquatron
@@ -76,10 +76,10 @@
 0000,BC=BlockChain
 0000,BOA=Boa
 0001,BOLO=Bolo
-0000,BH=Bongo's Bash
+0001,BH=Bongo's Bash
 0001,BORG=Borg
 1001,BOULDER.DASH=Boulder Dash
-1000,BOULDER.DASH.II=Boulder Dash II
+1001,BOULDER.DASH.II=Boulder Dash II
 0001,BK=Bouncing Kamungas
 0001,BB=Brainteaser Boulevard
 1011,BRUCE.LEE=Bruce Lee

src/prelaunch/apple.invader.a

@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2021 by Frank M.
+;(c) 2021-2022 by Frank M., qkumba
 
 !cpu 6502
 !to "build/PRELAUNCH.INDEXED/APPLE.INVADER",plain
@@ -7,7 +7,11 @@
 
     !source "src/prelaunch/common.a"
 
-         ;+ENABLE_ACCEL   ; text on screen
+         lda   $7fe
+         pha
+         +ENABLE_ACCEL
+         pla
+         sta   $7fe       ; overwritten by GS acceleration
 
          lda   #$60
          sta   $6020
@@ -37,6 +41,20 @@
          sta   $1DE8
          sta   $1E5A
 
+         +READ_RAM2_NO_WRITE
+         lda   MachineStatus
+         and   #CHEATS_ENABLED
+         beq   +
+         lda   #$A5
+         sta   $1997      ; patch - don't increase lives
+         sta   $1E33      ; patch - don't decrease lives
++
+         lda   $7fe
+         pha
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
+         pla
+         sta   $7fe       ; overwritten by GS acceleration
          jmp   $5F00
 
 !if * > $1C0 {

src/prelaunch/boa.a

@@ -11,6 +11,7 @@
          lda   #$60
          sta   $835
          jsr   $800       ; decompress
+         sta   $299
          lda   #1
          sta   $F0
          lsr

src/prelaunch/bongos.bash.a

@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2021 by qkumba
+;(c) 2021-2022 by qkumba
 
 !cpu 6502
 !to "build/PRELAUNCH.INDEXED/BH",plain
@@ -11,7 +11,16 @@
          lda   #$60
          sta   $2061
          jsr   $2000      ; decompress
-         +DISABLE_ACCEL
+
+         +READ_RAM2_NO_WRITE
+         lda   MachineStatus
+         and   #CHEATS_ENABLED
+         beq   +
+         lda   #$A5
+         sta   $84F5      ; patch - don't decrease lives
++
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
          jmp   $D566
 
 !if * > $1C0 {

src/prelaunch/boulder.dash.ii.a

@@ -0,0 +1,28 @@
+;license:MIT
+;(c) 2022 by qkumba
+
+!cpu 6502
+!to "build/PRELAUNCH.INDEXED/BOULDER.DASH.II",plain
+*=$106
+
+    !source "src/prelaunch/common.a"
+
+         +READ_RAM2_NO_WRITE
+         jsr   EnableAccelerator
+         lda   #$60
+         sta   $4044
+         jsr   $4000      ; decompress
+
+         lda   MachineStatus
+         and   #CHEATS_ENABLED
+         beq   +
+         lda   #$b5
+         sta   $19D9      ; patch - don't decrease lives
++
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
+         jmp   $800
+
+!if * > $1C0 {
+  !error "code is too large, ends at ", *
+}