mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-10-22 10:24:13 +00:00
175 lines
2.3 KiB
ArmAsm
175 lines
2.3 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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DONE = 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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bot_demo:
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;===================
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; init some stuff
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; we have from $6000 to $9600 (DOS 3.3)
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; which is $3600 = 12 + 1.5 = 13.5k
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; we don't need to set HIMEM as we don't use many vars
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; and variable memory starts right after the program it seems
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;===================
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; PT3 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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jsr TEXT
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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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; Load bg
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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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jsr do_wipe
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; jsr gr_copy_to_current ; copy to page1
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;=============================
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; mockingboard where available
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lda #5
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sta CH
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lda #21
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sta CV
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jsr VTAB
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lda #<mock_string
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ldy #>mock_string
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jsr STROUT
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lda #12
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sta CH
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lda #22
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sta CV
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jsr VTAB
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lda #<mock2_string
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ldy #>mock2_string
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jsr STROUT
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done:
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lda trigger
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beq not_trigger
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lda #0
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sta trigger
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lda command
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cmp #DONE
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beq done
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cmp #DO_LIST
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bne not_do_list
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jmp do_list
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not_do_list:
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cmp #DO_LOAD
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bne not_do_load
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jsr do_load
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jmp not_trigger
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not_do_load:
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cmp #DO_RUN
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bne not_trigger
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jmp do_run
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not_trigger:
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jmp done
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mock_string:
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.byte ") ) ) MOCKINGBOARD SOUND ( ( (",0
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mock2_string:
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.byte "WHERE AVAILABLE",0
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command: .byte $00
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which: .byte $00
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timeout: .byte 10
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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 "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 "../pt3_player/music/DF.PT3"
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