add some cheats

res/GAMES.CONF

@@ -91,7 +91,7 @@
 0003,BU=BurgerTime
 0001,BUZZARD.BAIT=Buzzard Bait
 0000,CV=C'est La Vie
-0000,CALI.RAISINS=California Raisins
+0004,CALI.RAISINS=California Raisins
 0001,CB=Cannonball Blitz
 0001,CANYON.CLIMBER=Canyon Climber
 0005,CG=Captain Goodnight
@@ -137,7 +137,7 @@
 1001,DEFENDER=Defender
 1001,DJ=Defender (Joe Holt)
 0001,DEMONIC.DECKS=Demonic Decks
-1000,DEPTH.CHARGE=Depth Charge
+1001,DEPTH.CHARGE=Depth Charge
 0001,DIAMOND.MINE=Diamond Mine
 0001,DIG.DUG=Dig Dug
 1001,DINO.EGGS=Dino Eggs
@@ -153,12 +153,12 @@
 0001,EARLY.BIRD=Early Bird
 0001,EI=Eggs-It
 0000,EPOCH=Epoch
-0000,ES=Escape!
+0005,ES=Escape!
 0001,EVOLUTION=Evolution
 0001,EXTERMINATOR=Exterminator
 0001,FALCONS=Falcons
 0006,FAT.CITY=Fat City
-0000,FEDERATION=Federation
+0001,FEDERATION=Federation
 0001,FIREBIRD=Firebird
 0000,FIREBUG=Firebug
 0110,FLAPPLE.BIRD=Flapple Bird
@@ -203,7 +203,7 @@
 0001,HYPER.HEAD.ON=Hyper Head On
 0000,IO=I.O. Silver
 0101,IKARI.WARRIORS=Ikari Warriors
-1000,I1=Impossible Mission
+1005,I1=Impossible Mission
 0117,I2=Impossible Mission II
 0111,INDIANA.JONES=Indiana Jones
 1000,INFILTRATOR=Infiltrator

src/prelaunch/cali.raisins.a

@@ -13,7 +13,17 @@
          sta   $5EC0
          jsr   $36C0      ; decompress
 
-         +DISABLE_ACCEL
+         +READ_RAM2_NO_WRITE
+         lda   MachineStatus
+         and   #CHEATS_ENABLED
+         beq   +
+         lda   #$ad
+         sta   $69EE      ; patch - don't decrease lives
+         sta   $69F1      ; patch - don't decrease lives
+         sta   $7474      ; patch - don't decrease time
++
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
 
          jmp   $D566
 

src/prelaunch/depth.charge.a

@@ -0,0 +1,27 @@
+;license:MIT
+;(c) 2022 by qkumba
+
+!cpu 6502
+!to "build/PRELAUNCH.INDEXED/DEPTH.CHARGE",plain
+*=$106
+
+    !source "src/prelaunch/common.a"
+
+         +ENABLE_ACCEL
+         lda   #$60
+         sta   $1A6A
+         jsr   $1A00      ; decompress
+         +READ_RAM2_NO_WRITE
+         lda   MachineStatus
+         and   #CHEATS_ENABLED
+         beq   +
+         dec   $BFB       ; patch - don't decrease lives
++
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
+
+         jmp   $D566
+
+!if * > $1C0 {
+  !error "code is too large, ends at ", *
+}

src/prelaunch/escape.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/ES",plain
@@ -7,9 +7,29 @@
 
     !source "src/prelaunch/common.a"
 
+         +ENABLE_ACCEL
          +NEW_RESET_VECTOR $BFF0
 
-         jmp   $523E
+         lda   #<callback
+         sta   $6037
+         lda   #>callback
+         sta   $6038
+         jmp   $523E      ; decompress
+
+callback
+         +READ_RAM2_NO_WRITE
+         lda   MachineStatus
+         and   #CHEATS_ENABLED
+         beq   +
+         lda   $1E5B
+         cmp   #$31
+         bne   +
+         dec   $1E5B      ; patch - don't decrease time
++
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
+
+         jmp   $D566
 
 !if * > $1C0 {
   !error "code is too large, ends at ", *

src/prelaunch/federation.a

@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2021 by qkumba
+;(c) 2021-2022 by qkumba
 
 !cpu 6502
 !to "build/PRELAUNCH.INDEXED/FEDERATION",plain
@@ -11,7 +11,15 @@
          lda   #$60
          sta   $1C7C
          jsr   $1C00      ; decompress
-         +DISABLE_ACCEL
+         +READ_RAM2_NO_WRITE
+         lda   MachineStatus
+         and   #CHEATS_ENABLED
+         beq   +
+         lda   #$ad
+         sta   $A63       ; patch - don't decrease lives
++
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
          jmp   $D566
 
 !if * > $1C0 {

src/prelaunch/impossible.miss.a

@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2019 by Frank M.
+;(c) 2019, 2022 by Frank M., qkumba
 
 !cpu 6502
 !to "build/PRELAUNCH.INDEXED/I1",plain
@@ -9,6 +9,7 @@
 
                           ; reboot on reset during title
          +READ_RAM2_WRITE_RAM2
+         jsr   EnableAccelerator
          +LC_REBOOT
          +READ_ROM_NO_WRITE
 
@@ -23,6 +24,13 @@
 
          lda   #$60
          sta   $4018
+
+         lda   MachineStatus
+         and   #CHEATS_ENABLED
+         beq   +
+         dec   $2634      ; patch - don't increase time
++
+         jsr   DisableAccelerator
          jsr   $4000      ; sets reset vector/LC switched in
 
          +LC_REBOOT       ; change it back to reboot