monkey: logo screen more or less done
This commit is contained in:
Vince Weaver
parent
e76f13186b
commit
917bb14ad2
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@ -34,7 +34,7 @@ interrupt_handler:
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tya
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pha
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inc $0404 ; debug (flashes char onscreen)
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; inc $0404 ; debug (flashes char onscreen)
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bit $C404 ; clear 6522 interrupt by reading T1C-L ; 4
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158
monkey/title.s
158
monkey/title.s
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@ -35,6 +35,18 @@ title_start:
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sta DRAW_PAGE
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;====================================
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; load LF logo
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;====================================
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lda #<logo_lzsa
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sta LZSA_SRC_LO
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lda #>logo_lzsa
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sta LZSA_SRC_HI
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lda #$c ; load to page $c00
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jsr decompress_lzsa2_fast
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setup_music:
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; decompress music
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@ -47,39 +59,78 @@ setup_music:
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jsr mockingboard_detect
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title_loop:
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;====================================
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; load LF logo
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;====================================
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lda #<logo_lzsa
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sta LZSA_SRC_LO
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lda #>logo_lzsa
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sta LZSA_SRC_HI
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lda #$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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; Main LOGO loop
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;====================================
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;====================================
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logo_loop:
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; draw sprites
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; lda GUYBRUSH_X
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; sta XPOS
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; lda GUYBRUSH_Y
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; sta YPOS
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; lda #<guybrush_back_sprite
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; sta INL
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; lda #>guybrush_back_sprite
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; sta INH
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; jsr put_sprite_crop
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; copy over background
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jsr gr_copy_to_current
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; draw sparks
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lda FRAMEH ; only do this once
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bne done_sparks
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ldy #0
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spark_loop:
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lda sparks,Y
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bmi done_sparks
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sta XPOS
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iny
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lda sparks,Y
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sta YPOS
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iny
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; calc which spark
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lda sparks,Y
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sta TEMPY
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sec
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lda FRAMEL
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sbc TEMPY ; negative if too soon
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bmi draw_empty_sprite
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cmp #5 ; over 5 if done
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bcs draw_empty_sprite
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asl
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tax
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lda spark_sprites,X
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sta INL
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lda spark_sprites+1,X
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jmp draw_spark_sprite
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draw_empty_sprite:
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lda #<empty_sprite
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sta INL
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lda #>empty_sprite
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draw_spark_sprite:
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sta INH
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iny
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tya
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pha
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jsr put_sprite_crop
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pla
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tay
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jmp spark_loop
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done_sparks:
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; flip page
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jsr page_flip
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; incrememnt frame
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@ -87,8 +138,8 @@ logo_loop:
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jsr inc_frame
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; if it's been x seconds then go to next part
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lda FRAMEH
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cmp #3
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lda FRAMEL
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cmp #$50
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beq do_monkey_loop
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; early escape if keypressed
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@ -98,6 +149,11 @@ logo_loop:
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jmp done_with_title
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do_logo_loop:
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; delay
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lda #200
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jsr WAIT
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jmp logo_loop
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@ -117,6 +173,11 @@ monkey_loop:
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jsr page_flip
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; early escape if end of song
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lda DONE_PLAYING
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bmi done_with_title
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; early escape if keypressed
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lda KEYPRESS
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bpl loop_again
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@ -194,24 +255,29 @@ room_frame_no_oflo:
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theme_lzsa:
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.incbin "music/theme.lzsa"
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logo_sprites:
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.word logo_sprite0
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.word logo_sprite1
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.word logo_sprite2
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.word logo_sprite1
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.word logo_sprite0
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spark_sprites:
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.word empty_sprite
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.word spark0_sprite
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.word spark1_sprite
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.word spark2_sprite
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.word spark1_sprite
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.word spark0_sprite
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logo_sprite0:
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empty_sprite:
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.byte 1,1
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.byte $AA
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spark0_sprite:
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.byte 3,2
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.byte $AA,$AA,$AA
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.byte $AA,$AF,$AA
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logo_sprite1:
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spark1_sprite:
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.byte 3,2
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.byte $AA,$3A,$AA
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.byte $A3,$3F,$A3
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logo_sprite2:
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spark2_sprite:
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.byte 3,3
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.byte $AA,$b3,$AA
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.byte $Ab,$bF,$Ab
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@ -221,15 +287,15 @@ logo_sprite2:
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sparks:
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; X,Y timestamp
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.byte 0,10, 0 ; first: 0,10
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.byte 3,26, 2 ; second: 3,26
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.byte 6,10, 4 ; third: 6,10
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.byte 6,28, 6 ; 4th 6,28
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.byte 10,14, 8 ; 5th 10,14
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.byte 15,22, 10 ; 6th 15,22
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.byte 19,14, 12 ; 7th 19,14
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.byte 25,24, 14 ; 8th 25,24
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.byte 28,10, 16 ; 9th 28,10
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.byte 32,30, 18 ; 10th 32,30
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.byte 37,10, 20 ; 11th 37,10
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.byte 0,10, 32 ; first: 0,10
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.byte 3,26, 34 ; second: 3,26
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.byte 6,10, 36 ; third: 6,10
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.byte 6,28, 38 ; 4th 6,28
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.byte 10,14, 40 ; 5th 10,14
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.byte 15,22, 42 ; 6th 15,22
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.byte 19,14, 44 ; 7th 19,14
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.byte 25,24, 46 ; 8th 25,24
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.byte 28,10, 48 ; 9th 28,10
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.byte 32,30, 50 ; 10th 32,30
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.byte 37,10, 52 ; 11th 37,10
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.byte $ff
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