mirror of
https://github.com/Pecusx/dino-game.git
synced 2026-05-20 22:33:23 +02:00
399 lines
7.4 KiB
NASM
399 lines
7.4 KiB
NASM
; tech diff https://www.youtube.com/live/xXDjtDJf69E?si=Sg9HLaZ1krfz-m12&t=1578
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;---------------------------------------------------
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OPT r+
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;---------------------------------------------------
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; Zpage variables
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.zpvar temp_w .word = $80
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.zpvar temp_b .byte
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.zpvar temp_w2 .word
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.zpvar temp_w3 .word
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.zpvar NTSCounter .byte
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;---------------------------------------------------
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icl '../lib/ATARISYS.ASM'
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icl '../lib/MACRO.ASM'
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;---------------------------------------------------
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;BASIC OFF
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ORG $3000
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mva #0 dmactls ; dark screen
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; and wait one frame :)
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waitRTC
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mva #$ff portb ; BASIC off
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rts
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ini $3000
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org $2000
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PLAYER
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icl '../music/playlzs16.asm' ; Music Player, dmsc lzss
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;---------------------------------------------------
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leet_screen = $a000 ; further than samples
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leet_screen_end = leet_screen + 32*9
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ORG $2c00
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start1
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mva #$ff portb
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mwa #DL_pre dlptrs
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lda #@dmactl(narrow|dma) ; narrow screen width, DL on
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sta dmactls
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mva #0 COLOR2
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sta COLBAK
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mva #15 COLOR1
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jsr wait_for_releasing_keyz
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jsr PlayMusic
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leet_anim
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; test for going further
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lda CONSOL
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cmp #7
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bne leet_end
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; check keyboard
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lda SKSTAT
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cmp #$f7 ; SHIFT
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beq leet_end
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cmp #$ff
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bne leet_end
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lda TRIG0
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beq leet_end
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mwa #pre_screen temp_w
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mwa #leet_screen temp_w3
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ldy #0
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@
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lda (temp_w),y
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beq next_letter ; ignore zeroes
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;is the letter leetable?
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cmp #"a"
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bcc next_letter
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cmp #"z"+1
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bcs next_letter
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;letter is leetable
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beq next_letter
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sec
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sbc #"a"
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tay ;save the letter
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lda RANDOM
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and #%00000011 ; 0-3
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tax
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lda leet_speeks_l,x
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sta temp_w2
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lda leet_speeks_h,x
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sta temp_w2+1
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lda (temp_w2),y
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next_letter
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ldy #0
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sta (temp_w3),y
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inw temp_w
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inw temp_w3
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cpw temp_w #pre_screen_end
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beq leet_anim
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jmp @-
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leet_end
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; normal (not leeted) text back
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mwa #pre_screen temp_w
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mwa #leet_screen temp_w3
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ldy #0
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@
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lda (temp_w),y
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sta (temp_w3),y
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inw temp_w
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inw temp_w3
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cpw temp_w #pre_screen_end
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bne @-
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jsr StopMusic
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jsr wait_for_releasing_keyz
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rts
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.proc wait_for_releasing_keyz
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@ lda CONSOL
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cmp #7
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bne @-
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; check keyboard
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@ lda SKSTAT
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cmp #$f7 ; SHIFT
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beq @-
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cmp #$ff
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bne @-
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@ lda TRIG0
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beq @-
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rts
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.endp
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DL_pre
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:8 .by SKIP8
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.by LMS+MODE2
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.wo leet_screen
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.by SKIP1, MODE2
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.by SKIP8
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.by SKIP1, MODE2
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.by SKIP8
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:6 .by SKIP1, MODE2
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.by JVB
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.wo DL_pre
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pre_screen
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; 01234567890123456789012345678901"
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dta "this little game was created in "
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dta " four evenings before SV2K24SE "
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dta "sorry for technical difficulties"
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dta "code: "
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dta " pecus & pirx "
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dta "sound: "
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dta " alex, jochen hippel "
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dta "gfx: "
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dta " alphabet, inc. "
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pre_screen_end
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leet_speek1
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dta "abcdefghijklmnopqrstuvwxyz"
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leet_speek2
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dta "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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leet_speek3
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dta "48[)eF9-|jk_mn0p@r57uvw*y2"
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leet_speek4
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dta "^b(>",$5b,$41,"gh1",$4c+$80,"k",$4b+$80,"M\",$54,$49+$80,"q",$51,"5",$57,"uvwxy/"
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leet_speeks_l
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.by <leet_speek1
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.by <leet_speek2
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.by <leet_speek3
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.by <leet_speek4
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leet_speeks_h
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.by >leet_speek1
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.by >leet_speek2
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.by >leet_speek3
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.by >leet_speek4
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;--------------------------------------------------
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.proc PlayMusic
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mwa #MUSIC_DATA song_start_ptr
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mwa #MUSIC_DATA_END song_end_ptr
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jsr init_song
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VMAIN VBLinterrupt,7 ; jsr SetVBL
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mva #0 NTSCounter
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rts
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.endp
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.proc StopMusic
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VMAIN XITVBV,7 ; jsr SetVBL
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waitRTC
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ldx #8
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lda #0
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@ sta POKEY,x
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sta POKEY+$10,x
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dex
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bpl @-
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rts
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.endp
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.proc VBLinterrupt
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; music - PAL/NTSC check
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lda PAL
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and #%00001110
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beq IsPAL
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; NTSC ...
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inc NTSCounter
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lda NTSCounter
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cmp #5
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bne PlayMusic
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mva #0 NTSCounter
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beq NoMusic
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PlayMusic
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IsPAL
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jsr PLAYER
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NoMusic
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jmp XITVBV
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.endp
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.align $100
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MUSIC_DATA
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ins '../music/title.lzss' ; title music
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MUSIC_DATA_END
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ini start1
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;---------------------------------------------------
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org $3000
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DL
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:13 .by SKIP8
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.by MODEF+LMS
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.wo screen
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:25 .by MODEF
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.by JVB
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.wo DL
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start
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mwa #DL dlptrs
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lda #@dmactl(standard|dma|players|missiles|lineX1) ; normal screen width, DL on, P/M on
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sta dmactls
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mva #0 COLOR2
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sta COLBAK
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mva #15 COLOR1
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;POKEY_INIT
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mva #0 AUDCTL
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sta AUDCTL+$10
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mva #3 SKSTAT
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sta SKSTAT+$10
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pause 3
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lda #0
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sta $d40e ; NMI OFF
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sei ; IRQ OFF
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;-----playa-da-sampla-----
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ldx #0
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please_wait_loop
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lda samples_l,x
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sta sample_load
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lda samples_h,x
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sta sample_load+1
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lda samples_end_l,x
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sta temp_w
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lda samples_end_h,x
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sta temp_w+1
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@
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lda sample_load: $ffff
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tay
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sec
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:4 ror
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sta AUDC1
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sta AUDC2
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sta AUDC3
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;sta AUDC4
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sta wsync ;------------
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; test for going further
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lda CONSOL
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cmp #7
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bne exit_tech_diff
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; check keyboard
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lda SKSTAT
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cmp #$f7 ; SHIFT
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beq exit_tech_diff
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cmp #$ff
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bne exit_tech_diff
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sta wsync ;------------
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lda TRIG0
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beq exit_tech_diff
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sta wsync ;------------
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tya
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and #$0F
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ora #$10
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sta AUDC1+$10 ;pseudo stereo
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sta AUDC2+$10
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sta AUDC3+$10
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;sta AUDC4
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inw sample_load
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sta wsync
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cpw sample_load temp_w
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sta wsync
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beq @+
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sta wsync
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jmp @-
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@
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inx
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cpx #11 ; track length
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sne:ldx #1 ; jump to second sample
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jmp please_wait_loop
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exit_tech_diff
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; wait for releasing keyz
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@ lda CONSOL
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cmp #7
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bne @-
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; check keyboard
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@ lda SKSTAT
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cmp #$f7 ; SHIFT
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beq @-
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cmp #$ff
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bne @-
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@ lda TRIG0
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beq @-
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;
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lda #$40
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sta $d40e ; NMI On
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cli ; IRQ on
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;jmp quiet ; rts ; POZOR PREMATURE OTTIMIZZAZIONE
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.proc quiet
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ldx #8
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lda #0
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@ sta POKEY,x
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sta POKEY+$10,x
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dex
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bpl @-
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rts
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.endp
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sample1
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ins 'wait1.wav.bin'
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sample_end1
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sample2
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ins 'wait2.wav.bin'
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sample_end2
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sample3
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ins 'wait3.wav.bin'
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sample_end3
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sample4
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ins 'wait4.wav.bin'
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sample_end4
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sample5
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ins 'wait5.wav.bin'
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sample_end5
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samples_l
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.by <sample1
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.by <sample2
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.by <sample3
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.by <sample2
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.by <sample4
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.by <sample2
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.by <sample5
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.by <sample2
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.by <sample3
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.by <sample2
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.by <sample4
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samples_h
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.by >sample1
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.by >sample2
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.by >sample3
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.by >sample2
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.by >sample4
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.by >sample2
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.by >sample5
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.by >sample2
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.by >sample3
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.by >sample2
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.by >sample4
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samples_end_l
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.by <sample_end1
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.by <sample_end2
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.by <sample_end3
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.by <sample_end2
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.by <sample_end4
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.by <sample_end2
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.by <sample_end5
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.by <sample_end2
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.by <sample_end3
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.by <sample_end2
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.by <sample_end4
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samples_end_h
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.by >sample_end1
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.by >sample_end2
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.by >sample_end3
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.by >sample_end2
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.by >sample_end4
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.by >sample_end2
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.by >sample_end5
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.by >sample_end2
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.by >sample_end3
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.by >sample_end2
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.by >sample_end4
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finito
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org $b000 ; empty space I hope
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screen
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ins 'difficulties.bmp',+62
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ini start
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