4cade/src/prelaunch/impossible.miss.a

43 lines
890 B
Plaintext
Executable File

;license:MIT
;(c) 2019, 2022 by Frank M., qkumba
!cpu 6502
!to "build/PRELAUNCH.INDEXED/I1",plain
*=$106
!source "src/prelaunch/common.a"
; reboot on reset during title
+READ_RAM2_WRITE_RAM2
jsr EnableAccelerator
+LC_REBOOT
+READ_ROM_NO_WRITE
lda #$60
sta $920
jsr $800 ; decompress/title
lda #$60
sta $9f1
jsr $9AD
jsr $9050
lda #$60
sta $4018
lda MachineStatus
and #CHEATS_ENABLED
beq +
dec $2634 ; patch - don't increase time
+
jsr DisableAccelerator
jsr $4000 ; sets reset vector/LC switched in
+LC_REBOOT ; change it back to reboot
jmp $800
!if * > $1C0 {
!error "code is too large, ends at ", *
}