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cheats

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This commit is contained in:
Peter Ferrie 2019-10-13 19:26:38 -07:00
parent 7b1b6ed3e1
commit cc80e22a03
3 changed files with 47 additions and 1 deletions
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2
res/games.conf
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23
src/prelaunch/buck.rogers.a Normal file
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@ -0,0 +1,23 @@
;license:MIT
;(c) 2019 by qkumba
!cpu 6502
!to "build/PRELAUNCH/BUCK.ROGERS",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $4083
jsr $4000 ; decompress
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$a5
sta $7ff ; patch - don't increase lives
sta $803 ; patch - don't decrease lives
sta $998 ; patch - don't decrease lives
+
+DISABLE_ACCEL
jmp $400

23
src/prelaunch/crisis.mountain.a Normal file
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;license:MIT
;(c) 2019 by qkumba
!cpu 6502
!to "build/PRELAUNCH/CRISIS.MOUNTAIN",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $207b
jsr $2000 ; decompress
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$ad
sta $c14 ; patch - don't increase lives
sta $1af0 ; patch - don't decrease lives
sta $1b49 ; patch - don't decrease lives
+
+DISABLE_ACCEL
jmp $4000