yagbas 0.2.0

Yagbas is a programming language that builds programs for the Game Boy.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114

/*
adaptation of https://gbdev.io/gb-asm-tutorial/part1/hello_world.html
*/

fn main() {
  *NR52 = AudioMain {};
  'wait_for_vblank: loop {
    if *LY == VBLANK_START {
      break
    }
  }
  *LCDC = LcdCtrl {};
  
  memcpy($9000, Tiles, size_of!(Tiles));
  memcpy($9800, Tilemap, size_of!(TileMap));
  
  *LCD = LcdCtrl { lcd_enabled, bg_win_enabled };
  *BGP = STANDARD_PALETTE;
}

static rom Tiles: [u8; _] = [
  $00,$ff, $00,$ff, $00,$ff, $00,$ff, $00,$ff, $00,$ff, $00,$ff, $00,$ff,
  $00,$ff, $00,$ff, $00,$ff, $00,$ff, $00,$ff, $00,$ff, $00,$ff, $00,$ff,
	$00,$ff, $00,$80, $00,$80, $00,$80, $00,$80, $00,$80, $00,$80, $00,$80,
	$00,$ff, $00,$7e, $00,$7e, $00,$7e, $00,$7e, $00,$7e, $00,$7e, $00,$7e,
	$00,$ff, $00,$01, $00,$01, $00,$01, $00,$01, $00,$01, $00,$01, $00,$01,
	$00,$ff, $00,$00, $00,$00, $00,$00, $00,$00, $00,$00, $00,$00, $00,$00,
	$00,$ff, $00,$7f, $00,$7f, $00,$7f, $00,$7f, $00,$7f, $00,$7f, $00,$7f,
	$00,$ff, $03,$fc, $00,$f8, $00,$f0, $00,$e0, $20,$c0, $00,$c0, $40,$80,
	$00,$ff, $c0,$3f, $00,$1f, $00,$0f, $00,$07, $04,$03, $00,$03, $02,$01,
	$00,$80, $00,$80, $7f,$80, $00,$80, $00,$80, $7f,$80, $7f,$80, $00,$80,
	$00,$7e, $2a,$7e, $d5,$7e, $2a,$7e, $54,$7e, $ff,$00, $ff,$00, $00,$00,
	$00,$01, $00,$01, $ff,$01, $00,$01, $01,$01, $fe,$01, $ff,$01, $00,$01,
	$00,$80, $80,$80, $7f,$80, $80,$80, $00,$80, $ff,$80, $7f,$80, $80,$80,
	$00,$7f, $2a,$7f, $d5,$7f, $2a,$7f, $55,$7f, $ff,$00, $ff,$00, $00,$00,
	$00,$ff, $aa,$ff, $55,$ff, $aa,$ff, $55,$ff, $fa,$07, $fd,$07, $02,$07,
	$00,$7f, $2a,$7f, $d5,$7f, $2a,$7f, $55,$7f, $aa,$7f, $d5,$7f, $2a,$7f,
	$00,$ff, $80,$ff, $00,$ff, $80,$ff, $00,$ff, $80,$ff, $00,$ff, $80,$ff,
	$40,$80, $00,$80, $7f,$80, $00,$80, $00,$80, $7f,$80, $7f,$80, $00,$80,
	$00,$3c, $02,$7e, $85,$7e, $0a,$7e, $14,$7e, $ab,$7e, $95,$7e, $2a,$7e,
	$02,$01, $00,$01, $ff,$01, $00,$01, $01,$01, $fe,$01, $ff,$01, $00,$01,
	$00,$ff, $80,$ff, $50,$ff, $a8,$ff, $50,$ff, $a8,$ff, $54,$ff, $a8,$ff,
	$7f,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80,
	$ff,$00, $ff,$00, $ff,$00, $ab,$7e, $d5,$7e, $ab,$7e, $d5,$7e, $ab,$7e,
	$ff,$01, $fe,$01, $ff,$01, $fe,$01, $ff,$01, $fe,$01, $ff,$01, $fe,$01,
	$7f,$80, $ff,$80, $7f,$80, $ff,$80, $7f,$80, $ff,$80, $7f,$80, $ff,$80,
	$ff,$00, $ff,$00, $ff,$00, $aa,$7f, $d5,$7f, $aa,$7f, $d5,$7f, $aa,$7f,
	$f8,$07, $f8,$07, $f8,$07, $80,$ff, $00,$ff, $aa,$ff, $55,$ff, $aa,$ff,
	$7f,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80, $ff,$80, $7f,$80, $ff,$80,
	$d5,$7f, $aa,$7f, $d5,$7f, $aa,$7f, $d5,$7f, $aa,$7f, $d5,$7f, $aa,$7f,
	$d5,$7e, $ab,$7e, $d5,$7e, $ab,$7e, $d5,$7e, $ab,$7e, $d5,$7e, $eb,$3c,
	$54,$ff, $aa,$ff, $54,$ff, $aa,$ff, $54,$ff, $aa,$ff, $54,$ff, $aa,$ff,
	$7f,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80, $00,$ff,
	$d5,$7e, $ab,$7e, $d5,$7e, $ab,$7e, $d5,$7e, $ab,$7e, $d5,$7e, $2a,$ff,
	$ff,$01, $fe,$01, $ff,$01, $fe,$01, $ff,$01, $fe,$01, $ff,$01, $80,$ff,
	$7f,$80, $ff,$80, $7f,$80, $ff,$80, $7f,$80, $ff,$80, $7f,$80, $aa,$ff,
	$ff,$00, $ff,$00, $ff,$00, $ff,$00, $ff,$00, $ff,$00, $ff,$00, $2a,$ff,
	$ff,$01, $fe,$01, $ff,$01, $fe,$01, $fe,$01, $fe,$01, $fe,$01, $80,$ff,
	$7f,$80, $ff,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80, $7f,$80, $00,$ff,
	$fe,$01, $fe,$01, $fe,$01, $fe,$01, $fe,$01, $fe,$01, $fe,$01, $80,$ff,
	$3f,$c0, $3f,$c0, $3f,$c0, $1f,$e0, $1f,$e0, $0f,$f0, $03,$fc, $00,$ff,
	$fd,$03, $fc,$03, $fd,$03, $f8,$07, $f9,$07, $f0,$0f, $c1,$3f, $82,$ff,
	$55,$ff, $2a,$7e, $54,$7e, $2a,$7e, $54,$7e, $2a,$7e, $54,$7e, $00,$7e,
	$01,$ff, $00,$01, $01,$01, $00,$01, $01,$01, $00,$01, $01,$01, $00,$01,
	$54,$ff, $ae,$f8, $50,$f0, $a0,$e0, $60,$c0, $80,$c0, $40,$80, $40,$80,
	$55,$ff, $00,$00, $00,$00, $00,$00, $00,$00, $00,$00, $00,$00, $00,$00,
	$55,$ff, $6a,$1f, $05,$0f, $02,$07, $05,$07, $02,$03, $03,$01, $02,$01,
	$54,$ff, $80,$80, $00,$80, $80,$80, $00,$80, $80,$80, $00,$80, $00,$80,
	$55,$ff, $2a,$1f, $0d,$07, $06,$03, $01,$03, $02,$01, $01,$01, $00,$01,
	$55,$ff, $2a,$7f, $55,$7f, $2a,$7f, $55,$7f, $2a,$7f, $55,$7f, $00,$7f,
	$55,$ff, $aa,$ff, $55,$ff, $aa,$ff, $55,$ff, $aa,$ff, $55,$ff, $00,$ff,
	$15,$ff, $00,$00, $00,$00, $00,$00, $00,$00, $00,$00, $00,$00, $00,$00,
	$55,$ff, $6a,$1f, $0d,$07, $06,$03, $01,$03, $02,$01, $03,$01, $00,$01,
	$54,$ff, $a8,$ff, $54,$ff, $a8,$ff, $50,$ff, $a0,$ff, $40,$ff, $00,$ff,
	$00,$7e, $2a,$7e, $d5,$7e, $2a,$7e, $54,$7e, $ab,$76, $dd,$66, $22,$66,
	$00,$7c, $2a,$7e, $d5,$7e, $2a,$7e, $54,$7c, $ff,$00, $ff,$00, $00,$00,
	$00,$01, $00,$01, $ff,$01, $02,$01, $07,$01, $fe,$03, $fd,$07, $0a,$0f,
	$00,$7c, $2a,$7e, $d5,$7e, $2a,$7e, $54,$7e, $ab,$7e, $d5,$7e, $2a,$7e,
	$00,$ff, $a0,$ff, $50,$ff, $a8,$ff, $54,$ff, $a8,$ff, $54,$ff, $aa,$ff,
	$dd,$62, $bf,$42, $fd,$42, $bf,$40, $ff,$00, $ff,$00, $f7,$08, $ef,$18,
	$ff,$00, $ff,$00, $ff,$00, $ab,$7c, $d5,$7e, $ab,$7e, $d5,$7e, $ab,$7e,
	$f9,$07, $fc,$03, $fd,$03, $fe,$01, $ff,$01, $fe,$01, $ff,$01, $fe,$01,
	$d5,$7e, $ab,$7e, $d5,$7e, $ab,$7e, $d5,$7e, $ab,$7e, $d5,$7e, $ab,$7c,
	$f7,$18, $eb,$1c, $d7,$3c, $eb,$3c, $d5,$3e, $ab,$7e, $d5,$7e, $2a,$ff,
	$ff,$01, $fe,$01, $ff,$01, $fe,$01, $ff,$01, $fe,$01, $ff,$01, $a2,$ff,
	$7f,$c0, $bf,$c0, $7f,$c0, $bf,$e0, $5f,$e0, $af,$f0, $57,$fc, $aa,$ff,
	$ff,$01, $fc,$03, $fd,$03, $fc,$03, $f9,$07, $f0,$0f, $c1,$3f, $82,$ff,
	$55,$ff, $2a,$ff, $55,$ff, $2a,$ff, $55,$ff, $2a,$ff, $55,$ff, $00,$ff,
	$45,$ff, $a2,$ff, $41,$ff, $82,$ff, $41,$ff, $80,$ff, $01,$ff, $00,$ff,
	$54,$ff, $aa,$ff, $54,$ff, $aa,$ff, $54,$ff, $aa,$ff, $54,$ff, $00,$ff,
	$15,$ff, $2a,$ff, $15,$ff, $0a,$ff, $15,$ff, $0a,$ff, $01,$ff, $00,$ff,
	$01,$ff, $80,$ff, $01,$ff, $80,$ff, $01,$ff, $80,$ff, $01,$ff, $00,$ff,
];

static rom TileMap: [u8; _] = [
  $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$01,$02,$03,$01,$04,$03,$01,$05,$00,$01,$05,$00,$06,$04,$07,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$08,$09,$0a,$0b,$0c,$0d,$0b,$0e,$0f,$08,$0e,$0f,$10,$11,$12,$13,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$14,$15,$16,$17,$18,$19,$1a,$1b,$0f,$14,$1b,$0f,$14,$1c,$16,$1d,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$1e,$1f,$20,$21,$22,$23,$24,$22,$25,$1e,$22,$25,$26,$22,$27,$1d,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$01,$28,$29,$2a,$2b,$2c,$2d,$2b,$2e,$2d,$2f,$30,$2d,$31,$32,$33,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$08,$34,$0a,$0b,$11,$0a,$0b,$35,$36,$0b,$0e,$0f,$08,$37,$0a,$38,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$14,$39,$16,$17,$1c,$16,$17,$3a,$3b,$17,$1b,$0f,$14,$3c,$16,$1d,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$1e,$3d,$3e,$3f,$22,$27,$21,$1f,$20,$21,$22,$25,$1e,$22,$40,$1d,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$00,$41,$42,$43,$44,$30,$33,$41,$45,$43,$41,$30,$43,$41,$30,$33,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
	$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00, 0,0,0,0,0,0,0,0,0,0,0,0,
];