; Chess board, polyhedrons, circles, interference ; o/~ One night in Bangkok makes a hard man humble... o/~ ; ; by deater (Vince Weaver) .include "../zp.inc" .include "../hardware.inc" .include "../qload.inc" mod7_table = $1c00 div7_table = $1d00 hposn_low = $1e00 hposn_high = $1f00 chess_start: ;===================== ; initializations ;===================== ;=================== ; Load graphics ;=================== bit SET_GR bit HIRES bit FULLGR bit PAGE1 lda #$FF jsr hgr_page1_clearscreen lda #$00 jsr hgr_page2_clearscreen ;========================== ; Falling board animation ;========================== ; TODO ; 148-192 = full = 44 ; 0 frames in = 0 high, bottom=125+13 Y=125 ; 4 frames in, 130-138 = 8 high bottom=138+17 Y=130 ; 8 frames in, from 135-155 = 20 bottom=155+25 Y=135 ;12 frames in, from 145-180 = 35 bottom=180 Y=145 ; first collapse down, top to 125 bottom up to 133 ; so 125 whie other 60 ldx #0 lda #191 sta COUNT compact_loop: txa lsr bcc compact_not_even stx SAVEX ldx COUNT lda hposn_low,X sta GBASL lda hposn_high,X sta GBASH lda #0 ldy #39 compact_inner_loop2: sta (GBASL),Y dey bpl compact_inner_loop2 dec COUNT ldx SAVEX compact_not_even: lda hposn_low,X sta GBASL lda hposn_high,X sta GBASH lda #0 ldy #39 compact_inner_loop: sta (GBASL),Y dey bpl compact_inner_loop lda #50 jsr wait inx cpx #122 bne compact_loop ;============================= ; Bouncing on board animation ;============================= bit PAGE2 ; load image offscreen $6000 lda #chess_data sta zx_src_h+1 lda #$60 jsr zx02_full_decomp lda #0 sta COUNT sta DRAW_PAGE chess_bounce_loop: lda #$60 ; copy to screen jsr hgr_copy ldx COUNT lda object_coords_x,X cmp #$FF beq done_orange_loop sta SPRITE_X lda object_coords_y,X sta SPRITE_Y lda #object_data sta INH jsr hgr_draw_sprite_big jsr hgr_page_flip inc COUNT lda COUNT cmp #48 bne no_chess_bounce_oflo lda #0 sta COUNT no_chess_bounce_oflo: lda KEYPRESS bpl chess_bounce_loop done_chess_bount_loop: bit KEYRESET ;============================= ; Orange Blob Animation ;============================= ; load image offscreen $6000 lda #orange_data sta zx_src_h+1 lda #$60 jsr zx02_full_decomp ldx #0 stx COUNT orange_loop: lda #$60 ; copy to screen jsr hgr_copy ldx COUNT lda object_coords_x,X cmp #$FF beq done_orange_loop sta SPRITE_X lda object_coords_y,X sta SPRITE_Y lda #object_data sta INH jsr hgr_draw_sprite_big jsr hgr_page_flip inc COUNT lda COUNT cmp #48 bne no_orange_oflo lda #0 sta COUNT no_orange_oflo: lda KEYPRESS bpl orange_loop done_orange_loop: bit KEYRESET chess_done: ;================== ;================== ;================== ; DO TUNNEL HERE ;================== ;================== ;================== ; load image $2000 lda #tunnel1_data sta zx_src_h+1 lda #$20 jsr zx02_full_decomp ; load image $4000 lda #tunnel2_data sta zx_src_h+1 lda #$40 jsr zx02_full_decomp tunnel_loop: bit PAGE1 lda #8 jsr wait_irq bit PAGE2 lda #8 jsr wait_irq lda KEYPRESS bpl tunnel_loop main_tunnel_done: bit KEYRESET ;================== ;================== ;================== ; DO circles HERE ;================== ;================== ;================== jsr zooming_circles ; todo, fade to white ;================== ;================== ;================== ; DO INTERFERENCE HERE ;================== ;================== ;================== jsr interference main_interference_done: rts ;.align $100 .include "../wait_keypress.s" .include "../zx02_optim.s" ; .include "../hgr_table.s" .include "../hgr_clear_screen.s" .include "../hgr_copy_fast.s" .include "../hgr_sprite_big.s" .include "interference.s" .include "circles.s" .include "../hgr_page_flip.s" ; wait A * 1/50s wait_irq: ; lda #50 sta IRQ_COUNTDOWN wait_irq_loop: lda IRQ_COUNTDOWN bne wait_irq_loop rts chess_data: .incbin "graphics/chessboard.hgr.zx02" orange_data: .incbin "graphics/orange_bg.hgr.zx02" object_data: .include "graphics/object.inc" tunnel1_data: .incbin "graphics/tunnel1_cropped.hgr.zx02" tunnel2_data: .incbin "graphics/tunnel2_cropped.hgr.zx02" ; object is roughly 15 wide? ; this is a triangle pattern ; we could reverse at some point ; 12*4 = 48 object_coords_x: .byte 13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2 .byte 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12 .byte 13,14,15,16,17,18,19,20,21,22,23,24 .byte 25,24,23,22,21,20,19,18,17,16,15,14 object_coords_y: .byte 5,10,16,23,30,36,43,49,55,62,68,75 .byte 82,82,82,82,82,82,82,82,82,82,82,82 .byte 82,82,82,82,82,82,82,82,82,82,82,82 .byte 75,68,62,55,49,43,36,30,23,16,10, 5 ; 12*4 = 48 bounce_coords_x: .byte 13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2 .byte 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12 .byte 13,14,15,16,17,18,19,20,21,22,23,24 .byte 25,24,23,22,21,20,19,18,17,16,15,14 bounce_coords_y: .byte 5,10,16,23,30,36,43,49,55,62,68,75 .byte 82,82,82,82,82,82,82,82,82,82,82,82 .byte 82,82,82,82,82,82,82,82,82,82,82,82 .byte 75,68,62,55,49,43,36,30,23,16,10, 5