mirror of
https://github.com/deater/dos33fsprogs.git
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174 lines
2.9 KiB
ArmAsm
174 lines
2.9 KiB
ArmAsm
; Play music while showing AppleIIbot programs
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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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STROUT = $db3a
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NONE = 0
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DO_LOAD = 1
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DO_LIST = 2
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DO_RUN = 3
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DO_CREDITS = 4
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DONE = 5
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;==========================================
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; we are loaded at $6000
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;
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; since we are now decompressed here after load
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; we don't have to worry about running into DOS3.3 at $9600
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;
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; we shouldn't need to set HIMEM as we don't use many vars
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; and variable memory starts right after the program
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bot_demo:
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;===================
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; PT3 player Setup
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lda #0
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sta DONE_PLAYING
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lda #1
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sta LOOP
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jsr mockingboard_detect
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bcc mockingboard_not_found
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setup_interrupt:
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jsr mockingboard_init
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jsr mockingboard_setup_interrupt
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jsr reset_ay_both
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jsr clear_ay_both
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jsr pt3_init_song
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start_interrupts:
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tsx
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stx original_stack
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cli
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mockingboard_not_found:
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;===================
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; init screen
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;===================
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jsr TEXT
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jsr SETGR
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jsr HOME
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; bit SET_GR
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; bit TEXTGR
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bit KEYRESET
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;===================
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; init vars
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;===================
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;=============================
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; Load title screen
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;=============================
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lda #<bg_rle
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sta GBASL
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lda #>bg_rle
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sta GBASH
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lda #$c
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jsr load_rle_gr
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;==============================
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; wipe it to page1 gr
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;==============================
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jsr do_wipe
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;=============================
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; mockingboard where available
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;=============================
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jsr mock_anim
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;==============================
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;==============================
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;==============================
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; command loop
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;==============================
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;==============================
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;==============================
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command_loop:
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; check if irq handler has set trigger because we hit limit
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lda trigger
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beq not_trigger
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lda #0 ; reset trigger
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sta trigger
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lda command ; load current command (also set in irq)
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cmp #DONE ; if done, just loop forever
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beq command_loop
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cmp #DO_LIST ; if command is list
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bne not_do_list
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jmp do_list ; then do it
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not_do_list:
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cmp #DO_LOAD ; if command is load
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bne not_do_load
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jsr do_load ; then do it
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jmp not_trigger
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not_do_load:
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cmp #DO_RUN ; if command is run
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bne not_do_run
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jmp do_run ; then do it
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not_do_run:
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; cmp #DO_CREDITS
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; bne not_trigger
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; jmp switch_to_credits
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not_trigger:
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jmp command_loop
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command: .byte $00
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which: .byte $00
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timeout: .byte 8 ; original timeout
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trigger: .byte $00
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original_stack: .byte $00
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.include "gr_unrle.s"
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.include "gr_offsets.s"
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.include "bg.inc"
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.include "pt3_lib_core.s"
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.include "pt3_lib_init.s"
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.include "pt3_lib_mockingboard_setup.s"
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.include "interrupt_handler.s"
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; if you're self patching, detect has to be after interrupt_handler.s
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.include "pt3_lib_mockingboard_detect.s"
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.include "commands.s"
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.include "timeline.inc"
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.include "wipe.s"
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.include "mock_anim.s"
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.include "credits.s"
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.include "nozp.inc"
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PT3_LOC = song
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.align $100
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song:
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.incbin "music/mAZE_-_The_Upbeated_Eaten_Apple.pt3"
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