dos33fsprogs/mist/brother_books.s
2020-04-03 16:50:40 -04:00

135 lines
1.8 KiB
ArmAsm

;===========================
; open the red book
;===========================
red_book:
; if have a red page, take it and increment count
lda HOLDING_PAGE
cmp #HOLDING_RED_PAGE
bne not_red_page
lda #0 ; put down page
sta HOLDING_PAGE
inc RED_PAGE_COUNT ; increment page count
not_red_page:
bit KEYRESET
lda #0
sta FRAMEL
red_book_loop:
lda #<red_book_static_lzsa
sta LZSA_SRC_LO
lda #>red_book_static_lzsa
sta LZSA_SRC_HI
lda #$c ; load to page $c00
jsr decompress_lzsa2_fast
jsr gr_copy_to_current
jsr page_flip
lda #120
jsr WAIT
lda #<red_book_static2_lzsa
sta LZSA_SRC_LO
lda #>red_book_static2_lzsa
sta LZSA_SRC_HI
lda #$c ; load to page $c00
jsr decompress_lzsa2_fast
jsr gr_copy_to_current
jsr page_flip
lda #120
jsr WAIT
inc FRAMEL
lda FRAMEL
cmp #5
bne done_sir
;; annoying brother
lda #<red_book_open_lzsa
sta LZSA_SRC_LO
lda #>red_book_open_lzsa
sta LZSA_SRC_HI
lda #$c ; load to page $c00
jsr decompress_lzsa2_fast
jsr gr_copy_to_current
jsr page_flip
; FIXME
lda #<audio_red_page
sta BTC_L
lda #>audio_red_page
sta BTC_H
ldx #21 ; 21 pages long???
jsr play_audio
; lda #100
; jsr WAIT
done_sir:
lda KEYPRESS
bpl red_book_loop
red_book_done:
bit KEYRESET
; restore bg
lda #<red_book_shelf_lzsa
sta LZSA_SRC_LO
lda #>red_book_shelf_lzsa
sta LZSA_SRC_HI
lda #$c ; load to page $c00
jsr decompress_lzsa2_fast
rts
; comment summary
; red 0
; only static
; red 1
; who are you, bring me a red page, I can't see you
; I am sirrus
; blue 0
; only static
; blue 1
; sirrus is that you? who are you? help me. bring blue pages
; I must have the blue page
; blue 2
; you've returned, I'm Achenar. don't listen to my brother.
; egotistical fool and liar, bring the blue pages, not the red ones
; I've been wrongly imprisoned. I will have my retribution.