2021-08-11 03:43:30 +00:00
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; Videlectrix Intro
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; HGR is a pain
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; by Vince `deater` Weaver vince@deater.net
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; with apologies to everyone
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.include "hardware.inc"
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NIBCOUNT = $09
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GBASL = $26
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GBASH = $27
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CURSOR_X = $62
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CURSOR_Y = $63
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HGR_COLOR = $E4
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2021-08-11 19:49:03 +00:00
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HGR_PAGE = $E6
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DISP_PAGE = $F0
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DRAW_PAGE = $F1
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2021-08-11 03:43:30 +00:00
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P0 = $F1
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P1 = $F2
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P2 = $F3
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P3 = $F4
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P4 = $F5
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P5 = $F6
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INL = $FC
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INH = $FD
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OUTL = $FE
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OUTH = $FF
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hgr_display:
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jsr HGR2 ; Hi-res graphics, no text at bottom
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; Y=0, A=0 after this called
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2021-08-11 19:49:03 +00:00
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; HGR_PAGE=$40
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lda #$40
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sta DISP_PAGE
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lda #$20
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sta DRAW_PAGE
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2021-08-11 03:43:30 +00:00
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;************************
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2021-08-11 19:49:03 +00:00
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; Intro
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2021-08-11 03:43:30 +00:00
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;************************
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2021-08-11 19:49:03 +00:00
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; Load logo offscreen at $9000
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2021-08-11 03:43:30 +00:00
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lda #<(videlectrix_lzsa)
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sta getsrc_smc+1
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lda #>(videlectrix_lzsa)
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sta getsrc_smc+2
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2021-08-11 19:49:03 +00:00
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lda #$90
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2021-08-11 03:43:30 +00:00
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jsr decompress_lzsa2_fast
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2021-08-11 19:49:03 +00:00
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; jsr wait_until_keypress
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2021-08-11 03:43:30 +00:00
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2021-08-11 04:41:29 +00:00
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ldy #0
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animation_loop:
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2021-08-11 19:49:03 +00:00
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lda DRAW_PAGE
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cmp #$40
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beq show_page2
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show_page1:
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bit PAGE1
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lda #$40
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bne done_page ; bra
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show_page2:
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bit PAGE2
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lda #$20
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done_page:
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sta DRAW_PAGE
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eor #$60
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sta DISP_PAGE
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2021-08-11 04:41:29 +00:00
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lda delays,Y
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bmi done_loop
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lda animation_low,Y
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sta getsrc_smc+1
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lda animation_high,Y
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sta getsrc_smc+2
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tya
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pha
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2021-08-11 19:49:03 +00:00
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lda DRAW_PAGE
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2021-08-11 04:41:29 +00:00
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jsr decompress_lzsa2_fast
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2021-08-11 19:49:03 +00:00
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jsr hgr_overlay
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2021-08-11 04:41:29 +00:00
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pla
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tay
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iny
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jmp animation_loop
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done_loop:
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2021-08-11 19:49:03 +00:00
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jsr wait_until_keypress
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2021-08-11 04:41:29 +00:00
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rts
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;forever:
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; jmp forever
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animation_low:
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.byte <title_anim01_lzsa
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.byte <title_anim02_lzsa
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.byte <title_anim03_lzsa
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.byte <title_anim04_lzsa
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.byte <title_anim05_lzsa
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.byte <title_anim06_lzsa
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.byte <title_anim07_lzsa
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.byte <title_anim08_lzsa
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.byte <title_anim09_lzsa
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.byte <title_anim10_lzsa
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.byte <title_anim11_lzsa
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.byte <title_anim12_lzsa
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.byte <title_anim13_lzsa
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.byte <title_anim14_lzsa
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.byte <title_anim15_lzsa
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.byte <title_anim16_lzsa
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.byte <title_anim17_lzsa
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.byte <title_anim18_lzsa
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.byte <title_anim19_lzsa
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.byte <title_anim20_lzsa
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.byte <title_anim21_lzsa
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.byte <title_anim22_lzsa
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.byte <title_anim23_lzsa
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.byte <title_anim24_lzsa
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.byte <title_anim25_lzsa
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.byte <title_anim26_lzsa
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.byte <title_anim27_lzsa
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.byte <title_anim28_lzsa
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.byte <title_anim29_lzsa
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.byte <title_anim30_lzsa
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.byte <title_anim31_lzsa
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.byte <title_anim32_lzsa
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.byte <title_anim33_lzsa
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.byte <title_anim34_lzsa
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animation_high:
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.byte >title_anim01_lzsa
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.byte >title_anim02_lzsa
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.byte >title_anim03_lzsa
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.byte >title_anim04_lzsa
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.byte >title_anim05_lzsa
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.byte >title_anim06_lzsa
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.byte >title_anim07_lzsa
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.byte >title_anim08_lzsa
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.byte >title_anim09_lzsa
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.byte >title_anim10_lzsa
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.byte >title_anim11_lzsa
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.byte >title_anim12_lzsa
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.byte >title_anim13_lzsa
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.byte >title_anim14_lzsa
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.byte >title_anim15_lzsa
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.byte >title_anim16_lzsa
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.byte >title_anim17_lzsa
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.byte >title_anim18_lzsa
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.byte >title_anim19_lzsa
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.byte >title_anim20_lzsa
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.byte >title_anim21_lzsa
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.byte >title_anim22_lzsa
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.byte >title_anim23_lzsa
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.byte >title_anim24_lzsa
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.byte >title_anim25_lzsa
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.byte >title_anim26_lzsa
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.byte >title_anim27_lzsa
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.byte >title_anim28_lzsa
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.byte >title_anim29_lzsa
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.byte >title_anim30_lzsa
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.byte >title_anim31_lzsa
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.byte >title_anim32_lzsa
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.byte >title_anim33_lzsa
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.byte >title_anim34_lzsa
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delays:
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.byte 1 ; 1
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.byte 1 ; 2
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.byte 1 ; 3
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.byte 1 ; 4
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.byte 1 ; 5
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.byte 1 ; 6
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.byte 1 ; 7
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.byte 1 ; 8
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.byte 1 ; 9
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.byte 1 ; 10
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.byte 1 ; 11
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.byte 1 ; 12
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.byte 1 ; 13
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.byte 1 ; 14
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.byte 1 ; 15
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.byte 1 ; 16
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.byte 1 ; 17
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.byte 1 ; 18
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.byte 1 ; 19
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.byte 1 ; 20
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.byte 1 ; 21
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.byte 1 ; 22
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.byte 1 ; 23
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.byte 1 ; 24
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.byte 1 ; 25
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.byte 1 ; 26
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.byte 1 ; 27
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.byte 1 ; 28
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.byte 1 ; 29
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.byte 1 ; 30
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.byte 1 ; 31
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.byte 1 ; 32
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.byte 1 ; 33
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.byte 1 ; 34
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.byte $FF
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2021-08-11 03:43:30 +00:00
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.include "decompress_fast_v2.s"
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2021-08-11 19:49:03 +00:00
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;.include "decompress_overlay.s"
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.include "hgr_overlay.s"
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2021-08-11 03:43:30 +00:00
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.include "wait_keypress.s"
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.include "graphics_intro/intro_graphics.inc"
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