faster this, cheat at that

src/prelaunch/battlezone.a

@@ -0,0 +1,23 @@
+;license:MIT
+;(c) 2019 by qkumba
+
+!cpu 6502
+!to "build/PRELAUNCH/BATTLEZONE",plain
+*=$106
+
+    !source "src/prelaunch/common.a"
+
+         +ENABLE_ACCEL
+         lda   #$60
+         sta   $201e
+         jsr   $2000      ; decompress
+         +GET_MACHINE_STATUS
+         and   #CHEATS_ENABLED
+         beq   +
+         lda   #$b9
+         sta   $7364      ; patch - don't decrease lives
+         sta   $719c      ; patch - don't increase lives
+         sta   $71ba      ; patch - don't increase lives
++
+         +DISABLE_ACCEL
+         jmp   $810

src/prelaunch/conan.a

@@ -7,13 +7,16 @@
 
     !source "src/prelaunch/common.a"
 
+         +ENABLE_ACCEL
          lda   #$60
          sta   $81e
          jsr   $800
          lda   #$60
          sta   $bd40
          jsr   $bc94
+         +DISABLE_ACCEL
          jsr   $5ff8
+         +ENABLE_ACCEL
          lda   #$6c
          sta   $bd40
          lda   #$60
@@ -29,4 +32,5 @@
          sta   $1b4e
          ;;sta $a973
 +
+         +DISABLE_ACCEL
          jmp   $6ba5

src/prelaunch/drol.a

@@ -7,6 +7,9 @@
 
     !source "src/prelaunch/common.a"
 
+         +ENABLE_ACCEL
+         lda   #$60
+         sta   $4079
          +GET_MACHINE_STATUS
          and   #CHEATS_ENABLED
          sta   store-$BF70+cheat_b+1
@@ -21,7 +24,10 @@
          sta   $4216
          lda   #$bf
          sta   $4217
-         jmp   $4000
+         jsr   $4000
+         jsr   $40e0
+         +DISABLE_ACCEL
+         jmp   $407c
 
 cheat_b !pseudopc $bf70 {
          pla

src/prelaunch/eggs.it.a

@@ -7,12 +7,16 @@
 
          !source "src/prelaunch/common.a"
 
+         +ENABLE_ACCEL
          lda   #$60
-         sta   $3E58
+         sta   $3E98
+         sta   $3EF2
          jsr   $3DE9      ; phase 1
-         lda   #$60
+         +DISABLE_ACCEL
-         sta   $B890
+         jsr   $4C00
-         jsr   $B82C      ; phase 2
+         +ENABLE_ACCEL
+         jsr   $B839
+         +DISABLE_ACCEL
          +GET_MACHINE_STATUS
          and   #CHEATS_ENABLED
          beq   +