4cade/src/prelaunch/genesis.a

31 lines
625 B
Plaintext

;license:MIT
;(c) 2020 by qkumba
!cpu 6502
!to "build/PRELAUNCH.INDEXED/GENESIS",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #>(callback-1)
sta $3D0A
lda #<(callback-1)
sta $3D0D
jmp $800 ; decompress
callback
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$a5
sta $1527 ; patch - don't decrease lives
sta $820F ; patch - don't increase lives
+
+DISABLE_ACCEL
jmp $900
!if * > $1C0 {
!error "code is too large, ends at ", *
}