safer fix for Test Drive

src/4cade.a

@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2018-2020 by 4am
+;(c) 2018-2024 by 4am
 ;
 !cpu 6502
 !to "build/LAUNCHER.SYSTEM",plain
@@ -63,12 +63,20 @@ Reenter
          stx   $3F2                  ; page 3 reset vector to ($100)
          sei
          stx   $3FE                  ; page 3 IRQ vector to ($100)
+         lda   #<Ignore
+         sta   $FFFE
          inx
          stx   $3FF
+         lda   #>Ignore
+         sta   $FFFF
          cli
          stx   $3F3
          ldx   #$A4
          stx   $3F4
+         lda   #<Reenter
+         sta   $FFFC
+         lda   #>Reenter
+         sta   $FFFD
 RestoreStackNextTime
          bne   SearchMode            ; (SMC) not an unconditional branch because code
                                      ; might change the branch target to the next opcode

src/prelaunch/champ.boxing.a

@@ -23,6 +23,7 @@ callback
          stx   $9E52
          inx
          stx   $9E53
+         +LC_REBOOT
          +DISABLE_ACCEL
          jmp   $9D84
 

src/prelaunch/super.icehockey.a

@@ -0,0 +1,49 @@
+;license:MIT
+;(c) 2024 by qkumba
+
+!cpu 6502
+!to "build/PRELAUNCH.INDEXED/SUPER.ICEHOCKEY",plain
+*=$106
+
+    !source "src/prelaunch/common.a"
+
+         +ENABLE_ACCEL
+
+         lda   #$60
+         sta   $A02
+         jsr   $800       ; load "DOS"
+         lda   #<callback
+         sta   $B748
+         lda   #>callback
+         sta   $B749
+         jmp   $B700
+
+callback
+         ldx   #0
+         stx   $9E52
+         inx
+         stx   $9E53
+         lda   #<callback2
+         sta   $B7B8
+         lda   #>callback2
+         sta   $B7B9
+         +DISABLE_ACCEL
+         jmp   $9D84
+
+callback2
+         jsr   $BD00
+         lda   $B7EC
+         eor   #$14
+         bne   +
+         lda   $B7ED
+         eor   #$0E
+         bne   +
+         sta   $9688
+         lsr   $968D      ; reset vector
+         +LC_REBOOT
+         clc
++        rts
+
+!if * > $1C0 {
+  !error "code is too large, ends at ", *
+}