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53 lines
829 B
ArmAsm
53 lines
829 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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; aiming for under 256
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; 310 bytes -- initial
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; 268 bytes -- strip out interrupts
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; 262 bytes -- simplify init
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; 261 bytes -- optimize init more
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; 253 bytes -- optimize var init
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; 252 bytes -- bne vs jmp
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; 250 bytes -- song only has 16 notes so can never be negative
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; 249 bytes -- make terminating value $80 instead of $FF
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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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game_loop:
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; start the music playing
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.include "play_frame.s"
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; delay 20Hz, or 1/20s = 50ms
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lda #140
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jsr WAIT
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beq game_loop
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; music
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.include "mA2E_2.s"
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