prelaunch for Alien Lander

This commit is contained in:
Peter Ferrie 2021-05-22 12:11:52 -07:00
parent e22b474120
commit 17bedb0607

View File

@ -0,0 +1,23 @@
;license:MIT
;(c) 2021 by qkumba
!cpu 6502
!to "build/PRELAUNCH/ALIEN.LANDER",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $85D
jsr $800 ; load "DOS"
lda #$4C
sta $307
sta $329
jsr $300 ; decompress
+DISABLE_ACCEL
jsr $800
+ENABLE_ACCEL
jsr $30D ; decompress
+DISABLE_ACCEL
jmp $209