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https://github.com/a2-4am/4cade.git
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add some cheats
This commit is contained in:
Peter Ferrie
parent
8bc60cd335
commit
aa38934646
@ -196,18 +196,18 @@
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0001,HEAD.ON=Head On
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1111,HEAVY.BARREL=Heavy Barrel
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0000,HIGH.RISE=High Rise
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0000,HORIZON.V=Horizon V
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0001,HORIZON.V=Horizon V
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0001,HUNGRYBOY=Hungryboy
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0000,HYPER.HEAD.ON=Hyper Head On
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0001,HYPER.HEAD.ON=Hyper Head On
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0000,IO=I.O. Silver
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0100,IKARI.WARRIORS=Ikari Warriors
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0101,IKARI.WARRIORS=Ikari Warriors
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1000,I1=Impossible Mission
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0116,I2=Impossible Mission II
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0110,INDIANA.JONES=Indiana Jones
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0111,INDIANA.JONES=Indiana Jones
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1000,INFILTRATOR=Infiltrator
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1000,INFILTRATOR.2=Infiltrator 2
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0111,IE=Into the Eagle's Nest
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0000,IP=It's the Pits
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0001,IP=It's the Pits
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0001,JAWBREAKER=Jawbreaker
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0001,JAWBREAKER.II=Jawbreaker II
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0000,J.BIRD=J-Bird
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29
src/prelaunch/horizon.v.a
Normal file
29
src/prelaunch/horizon.v.a
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@ -0,0 +1,29 @@
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;license:MIT
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;(c) 2022 by qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/HORIZON.V",plain
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*=$106
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!source "src/prelaunch/common.a"
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+ENABLE_ACCEL
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lda #$60
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sta $4483
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jsr $4400 ; decompress
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$a5
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sta $72CC ; patch - don't increase lives
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sta $BB0A ; patch - don't decrease lives
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+
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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jmp ($20)
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!if * > $1C0 {
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!error "code is too large, ends at ", *
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}
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@ -1,5 +1,5 @@
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;license:MIT
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;(c) 2019 by qkumba
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;(c) 2019, 2022 by qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/HYPER.HEAD.ON",plain
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@ -8,7 +8,25 @@
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!source "src/prelaunch/common.a"
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+USES_TEXT_PAGE_2
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jmp $6d00
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+ENABLE_ACCEL
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lda #$60
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sta $6D32
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jsr $6D00 ; decompress
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lda #$60
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sta $F2F
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jsr $F01 ; decompress
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$a5
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sta $4B0 ; patch - don't decrease lives
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sta $5FD ; patch - don't decrease lives
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+
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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ldx #$10
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jmp $7fd
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!if * > $1C0 {
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!error "code is too large, ends at ", *
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@ -1,5 +1,5 @@
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;license:MIT
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;(c) 2020 by Frank M.
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;(c) 2020, 2022 by Frank M., qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/IKARI.WARRIORS",plain
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@ -7,8 +7,43 @@
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!source "src/prelaunch/common.a"
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+ENABLE_ACCEL
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lda #$60
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sta $11A7
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jsr $1000 ; load "DOS"
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dex
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jsr $D300 ; decompress
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lda #$60
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sta $840
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jsr $803 ; decompress
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dex
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jsr $D300 ; decompress
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inc $3F4 ; force reboot
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jmp $1000
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lda #$20
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sta $E093
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sta $E0D8
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lda #<EnableAccelerator
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sta $E094
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lda #>EnableAccelerator
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sta $E095
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lda #<callback
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sta $E0D9
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lda #>callback
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sta $E0DA
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jsr DisableAccelerator
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jmp $E000
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callback
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jsr DisableAccelerator
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+READ_RAM1_WRITE_RAM1
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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dec $D06B ; patch - don't decrease lives
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dec $D07A ; patch - don't increase lives
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+
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rts
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!if * > $1C0 {
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!error "code is too large, ends at ", *
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@ -1,5 +1,5 @@
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;license:MIT
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;(c) 2020 by Frank M.
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;(c) 2020, 2022 by Frank M., qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/INDIANA.JONES",plain
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@ -7,8 +7,24 @@
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!source "src/prelaunch/common.a"
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lda #$60
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sta $20A2
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jsr $2000
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lda #<callback
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sta $ACA
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lda #>callback
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sta $ACB
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inc $3F4 ; force reboot
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jmp $2000
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jmp $800
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callback
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+GET_MACHINE_STATUS
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and #CHEATS_ENABLED
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beq +
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lda #$ad
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sta $640C ; patch - don't decrease lives
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+
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jmp $F47
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!if * > $1C0 {
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!error "code is too large, ends at ", *
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@ -1,5 +1,5 @@
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;license:MIT
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;(c) 2021 by Frank M.
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;(c) 2021-2022 by Frank M., qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/IP",plain
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@ -20,7 +20,19 @@
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sta $1838
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sta $183D ; reset vector fix
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+DISABLE_ACCEL
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$a5
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sta $1CD1 ; patch - don't decrease lives
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sta $2409 ; patch - don't increase lives
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sta $2442 ; patch - don't increase lives
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sta $2472 ; patch - don't increase lives
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sta $249E ; patch - don't increase lives
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+
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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jmp $1800
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!if * > $1C0 {
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