56 lines
787 B
ArmAsm
56 lines
787 B
ArmAsm
; Apple II graphics/music in 1k
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; by deater (Vince Weaver) <vince@deater.net>
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; Zero Page
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.include "zp.inc"
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.include "hardware.inc"
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; goal is 332 bytes
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; 319 bytes -- switch songs to mA2E_3
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; 415 bytes -- double length of song
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; 334 bytes -- merge length into value
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; if can straddle interrupt vector, save 10 bytes
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; if can guarantee Y is 0 on entry, save 2 bytes
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d2:
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;===================
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; music Player Setup
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tracker_song = peasant_song
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; assume mockingboard in slot#4
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; inline mockingboard_init
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.include "mockingboard_init.s"
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.include "tracker_init.s"
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; start the music playing
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cli
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bob:
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lda KEYPRESS
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bpl bob
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quiet:
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lda #$3f
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sta AY_REGS+7
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end:
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brk
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.include "interrupt_handler.s"
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.include "mockingboard_constants.s"
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; music
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.include "mA2E_3.s"
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