4cade/src/prelaunch/snack.attack.a

37 lines
743 B
Plaintext
Executable File

;license:MIT
;(c) 2019, 2022 by Frank M., qkumba
!cpu 6502
!to "build/PRELAUNCH.INDEXED/SNACK.ATTACK",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $82E
jsr $800 ; decompress
+DISABLE_ACCEL
jsr $BD1C ; title screen
lda #$60
sta $BD19
jsr $BCFA
; re-patch reset vector
+RESET_VECTOR $100
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$a5
sta $1D3F ; patch - don't increase lives
sta $5C26 ; patch - don't decrease lives
+
jmp $7E00
!if * > $1C0 {
!error "code is too large, ends at ", *
}