mirror of https://github.com/a2-4am/4cade.git
57 lines
1.3 KiB
Plaintext
Executable File
57 lines
1.3 KiB
Plaintext
Executable File
;license:MIT
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;(c) 2019-2020, 2022 by qkumba/Frank M.
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/THEXDER",plain
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*=$106
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!source "src/prelaunch/common.a"
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lda #$60
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sta $346
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jsr $300
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+READ_RAM2_NO_WRITE
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jsr EnableAccelerator
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lda MachineStatus
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+READ_ROM_NO_WRITE
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and #CHEATS_ENABLED
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php
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lda $13A8
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cmp #$4C
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bne +
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lda #$60
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sta $13A8
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jsr $1200
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+RESET_VECTOR reset
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lda #<reset
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sta $47FC
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lda #>reset
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sta $47FD ; moved to LC $FFFC/D
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plp
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beq ++
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dec $37ED ; don't decrease energy
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dec $3FB4 ; don't decrease energy
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dec $401A ; don't decrease energy
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beq ++ ; always
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reset
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+READ_ROM_NO_WRITE
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jmp $FAA6
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+ inc $3F4 ; force reboot
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lda #$60
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sta $13B3
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jsr $1200
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plp
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beq ++
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dec $38D2 ; don't decrease energy
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dec $40A6 ; don't decrease energy
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dec $410C ; don't decrease energy
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++
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+DISABLE_ACCEL
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jmp $1800
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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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