mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-07-03 16:29:56 +00:00
111 lines
1.4 KiB
ArmAsm
111 lines
1.4 KiB
ArmAsm
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;===========================
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; open the red book
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;===========================
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red_book:
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; if have a red page, take it and increment count
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lda HOLDING_PAGE
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cmp #HOLDING_RED_PAGE
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bne not_red_page
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lda #0 ; put down page
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sta HOLDING_PAGE
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inc RED_PAGE_COUNT ; increment page count
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not_red_page:
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bit KEYRESET
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lda #0
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sta FRAMEL
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red_book_loop:
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lda #<red_book_static_lzsa
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sta LZSA_SRC_LO
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lda #>red_book_static_lzsa
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sta LZSA_SRC_HI
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lda #$c ; load to page $c00
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jsr decompress_lzsa2_fast
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jsr gr_copy_to_current
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jsr page_flip
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lda #120
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jsr WAIT
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lda #<red_book_static2_lzsa
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sta LZSA_SRC_LO
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lda #>red_book_static2_lzsa
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sta LZSA_SRC_HI
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lda #$c ; load to page $c00
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jsr decompress_lzsa2_fast
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jsr gr_copy_to_current
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jsr page_flip
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lda #120
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jsr WAIT
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inc FRAMEL
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lda FRAMEL
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cmp #5
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bne done_sir
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;; annoying brother
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lda #<red_book_open_lzsa
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sta LZSA_SRC_LO
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lda #>red_book_open_lzsa
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sta LZSA_SRC_HI
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lda #$c ; load to page $c00
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jsr decompress_lzsa2_fast
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jsr gr_copy_to_current
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jsr page_flip
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; FIXME
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lda #<audio_red_page
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sta BTC_L
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lda #>audio_red_page
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sta BTC_H
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ldx #21 ; 21 pages long???
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jsr play_audio
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; lda #100
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; jsr WAIT
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done_sir:
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lda KEYPRESS
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bpl red_book_loop
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red_book_done:
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bit KEYRESET
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; restore bg
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lda #<red_book_shelf_lzsa
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sta LZSA_SRC_LO
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lda #>red_book_shelf_lzsa
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sta LZSA_SRC_HI
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lda #$c ; load to page $c00
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jsr decompress_lzsa2_fast
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rts
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