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add cheats for Diamond Mine, Drelbs, Firebird

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This commit is contained in:
Peter Ferrie 2019-10-14 21:34:36 -07:00
parent f05f53dce5
commit c8c24699e3
4 changed files with 66 additions and 1 deletions
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2
res/games.conf
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23
src/prelaunch/diamond.mine.a Normal file
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;license:MIT
;(c) 2019 by qkumba
!cpu 6502
!to "build/PRELAUNCH/DIAMOND.MINE",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $9509
jsr $4e90 ; decompress
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
inc $a47 ; patch - don't decrease lives
lda #$b5
sta $942 ; patch - don't increase lives
sta $1112 ; patch - don't decrease lives
+
+DISABLE_ACCEL
jmp $5f00

21
src/prelaunch/drelbs.a Normal file
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;license:MIT
;(c) 2019 by qkumba
!cpu 6502
!to "build/PRELAUNCH/DRELBS",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $813
jsr $800 ; decompress
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$a5
sta $1cb0 ; patch - don't decrease lives
+
+DISABLE_ACCEL
jmp $8000

21
src/prelaunch/firebird.a Normal file
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@ -0,0 +1,21 @@
;license:MIT
;(c) 2019 by qkumba
!cpu 6502
!to "build/PRELAUNCH/FIREBIRD",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $334b
jsr $3300 ; decompress
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$a5
sta $ae53 ; patch - don't decrease lives
+
+DISABLE_ACCEL
jmp $b000