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| ÿ ÿ 0 ` ` ` ` 0 * > * > 0 > 0 ` @ > c o { c > ? > > ` ` ? c > 6 f ` ~ c > > ` ~ c c > > c > c c > > c c ? > 0 > ~ > | ~ | > c c c c ~ c ~ c c ~ > c ` ` c > | f c c f | ~ ` | ` ` ` | ` ` ` > ` g c c > c c c c c ? ? c > f l x l f c ` ` ` ` ` c w k c c c s { o g c > c c c c > ~ c c c ~ ` > c c c f ; ~ c c c ~ c > ` > ~ ÿ c c c c c > c c c 6 c c k w c c 6 6 c à f < 0 ü æ ã ã æ ü æ ã < v ã ã ã ã ~ à ü æ ã ã ã ã þ > > K – - Z ´ i Ò ¥ > ? c ? ` ~ c c c ~ ? ` ` ` ? ? c c c ? > c ` ? 0 0 0 | 0 0 ? c c ? ~ ` ~ c c c c c c > ` n x l f c w k k c ~ c c c c > c c c > ~ c c c ~ ` ? c c c ? ~ c ` ` ` ? ` > ~ c c c c ? c c 6 c k k w 3 3 c c c ? ~ 0 ? ` Ç Ì Ì Ç ` ? À ` 0 0 0 0 ` À ? ` Î Û Û Ï ` ? ? h Î Ë Ë Î ` ? ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ |
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| ; From https://gbdev.io/gb-asm-tutorial/part1/hello_world.html | |
| INCLUDE "hardware.inc" | |
| SECTION "Header", ROM0[$100] | |
| jp EntryPoint | |
| ds $150 - @, 0 ; Make room for the header | |
| EntryPoint: | |
| ; Shut down audio circuitry | |
| ld a, 0 | |
| ld [rNR52], a | |
| ; Do not turn the LCD off outside of VBlank | |
| WaitVBlank: | |
| ld a, [rLY] | |
| cp 144 | |
| jp c, WaitVBlank | |
| ; Turn the LCD off | |
| ld a, 0 | |
| ld [rLCDC], a | |
| ; Copy the tile data | |
| ld de, Tiles | |
| ld hl, $9000 | |
| ld bc, TilesEnd - Tiles | |
| CopyTiles: | |
| ld a, [de] | |
| ld [hli], a | |
| inc de | |
| dec bc | |
| ld a, b | |
| or a, c | |
| jp nz, CopyTiles | |
| ; Copy the tilemap | |
| ld de, Tilemap | |
| ld hl, $9800 | |
| ld bc, TilemapEnd - Tilemap | |
| CopyTilemap: | |
| ld a, [de] | |
| ld [hli], a | |
| inc de | |
| dec bc | |
| ld a, b | |
| or a, c | |
| jp nz, CopyTilemap | |
| ; Turn the LCD on | |
| ld a, LCDCF_ON | LCDCF_BGON | |
| ld [rLCDC], a | |
| ; During the first (blank) frame, initialize display registers | |
| ld a, %11100100 | |
| ld [rBGP], a | |
| Done: | |
| jp Done | |
| Tiles: | |
| INCBIN "temp.bin" | |
| TilesEnd: | |
| Tilemap: | |
| DB $00, $01, $02, $03, $04, $05, $06, $07, $08, $09, $0A, $0B, $0C, $0D, $0E, $0F, $10, $11, $12, $13, 0,0,0,0,0,0,0,0,0,0,0,0 | |
| DB $00, $14, $15, $16, $17, $18, $19, $1A, $1B, $1C, $1D, $1E, $1F, $20, $21, $22, $23, $24, $25, $25, 0,0,0,0,0,0,0,0,0,0,0,0 | |
| DB $27, $28, $29, $2A, $2B, $2C, $2D, $2E, $2F, $30, $31, $32, $33, $34, $35, $36, $37, $38, $39, $3A, 0,0,0,0,0,0,0,0,0,0,0,0 | |
| DB $3B, $3C, $3D, $3E, $3F, $40, $41, $42, $43, $44, $45, $46, $47, $48, $49, $4A, $4B, $4C, $4D, $4E, 0,0,0,0,0,0,0,0,0,0,0,0 | |
| DB $4F, $50, $51, $52, $53, $54, $55, $56, $57, $58, $59, $5A, $5B, $5C, $5D, $5E, $5F | |
| TilemapEnd: |
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