mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-29 00:31:52 +00:00
208 lines
2.7 KiB
ArmAsm
208 lines
2.7 KiB
ArmAsm
; Vertical scroll lo-res
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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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;PT3_USE_ZERO_PAGE=0
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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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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 KEYRESET
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; GR part
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bit PAGE1
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bit LORES ; 4
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bit SET_GR ; 4
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bit FULLGR ; 4
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;===================
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; init vars
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lda #0
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sta DRAW_PAGE
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lda #4
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sta DISP_PAGE
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;=============================
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; Load desire 1st
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lda #<desire_rle
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sta GBASL
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lda #>desire_rle
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sta GBASH
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lda #$c
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jsr load_rle_gr
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jsr gr_copy_to_current ; copy to page1
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jsr page_flip
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jsr wait_until_keypress
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;=============================
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; Load desire 2nd
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lda #<desire2_rle
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sta GBASL
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lda #>desire2_rle
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sta GBASH
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lda #$c
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jsr load_rle_gr
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jsr gr_copy_to_current ; copy to page1
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jsr page_flip
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jsr wait_until_keypress
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;=============================
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; Load spaceman top
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lda #<spaceman_rle
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sta GBASL
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lda #>spaceman_rle
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sta GBASH
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lda #$90
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jsr load_rle_large
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; Load spaceman bottom
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lda #<spaceman2_rle
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sta GBASL
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lda #>spaceman2_rle
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sta GBASH
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lda #$A0
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jsr load_rle_large
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rescroll:
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lda #0
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sta SCROLL_COUNT
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lda #<$9000
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sta TINL
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lda #>$9000
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sta TINH
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lda #<$A000
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sta BINL
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lda #>$A000
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sta BINH
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; delay
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lda #200
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jsr WAIT
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scroll_loop:
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lda TINL
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sta OUTL
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lda TINH
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sta OUTH
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jsr gr_copy_to_current_large ; copy to page1
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jsr page_flip
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lda #100
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jsr WAIT
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lda BINL
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sta OUTL
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lda BINH
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sta OUTH
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jsr gr_copy_to_current_large ; copy to page1
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jsr page_flip
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lda #100
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jsr WAIT
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lda TINL ; inc to next line
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clc
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adc #$28
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sta TINL
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lda TINH
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adc #$0
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sta TINH
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lda BINL ; inc to next line
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clc
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adc #$28
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sta BINL
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lda BINH
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adc #$0
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sta BINH
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inc SCROLL_COUNT
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lda SCROLL_COUNT
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cmp #73
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bne scroll_loop
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jsr wait_until_keypress
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jmp rescroll
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forever:
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jmp forever
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wait_until_keypress:
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lda KEYPRESS
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bpl wait_until_keypress
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bit KEYRESET
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rts
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.include "gr_unrle.s"
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.include "gr_unrle_large.s"
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.include "gr_offsets.s"
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.include "gr_copy.s"
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.include "gr_copy_large.s"
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.include "gr_pageflip.s"
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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 "desire.inc"
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.include "spaceman.inc"
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.include "spaceman2.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/pt3_player/music/DF.PT3"
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