4cade/src/prelaunch/thunder.bombs.a
frankmilliron 4d30023051
//gs compatibility fixes (#447)
* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload
2021-12-29 20:26:00 -05:00

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;license:MIT
;(c) 2019 by Frank M.
!cpu 6502
!to "build/PRELAUNCH.INDEXED/THUNDER.BOMBS",plain
*=$106
!source "src/prelaunch/common.a"
lda #$60
sta $887F
lda #<fakewait
sta $8823+1
sta $8823+2
lda #>fakewait
sta $8823+2
sta $882B+2 ; fix timing of title screen on //gs
jsr $87F9 ; load, show title
+ENABLE_ACCEL
lda #$60
sta $7818
jsr $7800 ; unpack/setup
lda #0
sta $3F2 ; reset vector
+READ_RAM2_NO_WRITE
lda MockingboardStuff
+READ_ROM_NO_WRITE
cmp #1
bcc ++
tax
ora #$C0
sta $341
txa
asl
and #$80
ora #1 ; sound i
bpl +
eor #$85 ; sound ii
+
bcc +
lda #6 ; +speech
+
sta $340
jsr $7CB4
++
+DISABLE_ACCEL
lda $323
jmp $781B
fakewait sec
wait1 pha
wait2 sbc #$01
bne wait2
pla
sbc #$01
bne wait1
rts
!if * > $1C0 {
!error "code is too large, ends at ", *
}